Функционализованная пористым или сетчатым пеноматериалом открытая сетчатая структура для селективного отделения минеральных частиц в водной системе

FIELD: chemistry.SUBSTANCE: collection device for extraction of mineral particles contains: solid-phase body, made with three-dimensional structure with open pores, to provide multiple collection surfaces, and multiple molecules provided on collection surfaces, wherein the molecules contain a functional group having a chemical bond for attracting one or more mineral particles in the aqueous mixture to molecules, causing bonding of mineral particles to the collection surfaces, where the solid-phase body comprises a coating or layer made with a hydrophobic chemical selected from a polysiloxane derivative, and the coating or layer is modified with adhesion promoters, plasticisers, cross-linking agents, chain transfer agents, chain extenders, adhesion promoters, aryl or alkyl copolymers, fluorinated copolymers, hexamethyldisilazane, silicon dioxide or hydrophobic silicon dioxide.EFFECT: invention relates to collecting means for use in separation of minerals.28 cl, 22 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 719 861 C2 (51) МПК B01D 61/00 (2006.01) B01D 15/36 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01D 61/00 (2020.02); B01D 15/36 (2020.02) (21)(22) Заявка: 2018124300, 09.01.2017 (24) Дата начала отсчета срока действия патента: Дата регистрации: 23.04.2020 07.01.2016 US 62/276,051; 07.10.2016 US 62/405,569 (43) Дата публикации заявки: 07.02.2020 Бюл. № 4 (45) Опубликовано: 23.04.2020 Бюл. № 12 (56) Список документов, цитированных в отчете о поиске: US 5256298 A, 26.10.1993. US 2009283480 A1, 19.11.2009. US 2014202959 A1, 24.07.2014. US 5578217 A, 26.11.1996. RU 2495724 C2, 20.10.2013. (85) Дата начала рассмотрения заявки PCT на национальной фазе: 07.08.2018 (86) Заявка PCT: C 2 C 2 (73) Патентообладатель(и): СИДРА КОРПОРЕЙТ СЕРВИСЕЗ ЛЛС (US) US 2017/012689 (09.01.2017) (87) Публикация заявки PCT: 2 7 1 9 8 6 1 WO 2017/120569 (13.07.2017) R U 2 7 1 9 8 6 1 Приоритет(ы): (30) Конвенционный приоритет: R ...

COLLECTORS FOR MINERAL FLOTATION

COLLECTORS FOR MINERAL FLOTATION

COLLECTORS FOR MINERAL FLOTATION

Open-network foam of hydrophobic material for selective separation of mineral particles

An engineered collection medium for use in mineral separation is described. The engineered collection medium has a solid phase body configured with a three-dimensional open-cell structure like foam or sponge to provide collection surfaces. The three-dimensional surface structure is made of a hydrophobic material which is a reaction product of isocyanate and polyol promotes the attraction of mineral particles to the collection surfaces as a hydrophobic foam. The hydrophobic foam can be in the form of a cube, sphere, or sheet and can be used in a filter or conveyor belt in a processor.

MINERAL BENEFICIATION UTILIZING ENGINEERED MATERIALS FOR MINERAL SEPARATION AND COARSE PARTICLE RECOVERY

A selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading stage, and a second loop with the filtering stage. The loading stage has a loading mixer and a loading washing screen. The stripping stage has a stripping mixer and a stripping washing screen. The loading mixer receives the slurry and causes barren media in the circuit to contact with the slurry so that the mineral particles in the slurry are loaded onto the barren media. The media is directed to the stripping stage where the mineral particles are removed from the media. The barren media is recycled to the loading stage. The stripping solution recovered from the filtering stage is returned to the stripping stage and the mineral particles are discharged as concentrate.

UTILIZING ENGINEERED MEDIA FOR RECOVERY OF MINERALS IN TAILINGS STREAM AT THE END OF A FLOTATION SEPARATION PROCESS

Apparatus uses engineered collection media to recover mineral particles in a mineral extraction process, e.g., for processing a tailings stream at the end of a flotation separation process. The engineered collection media are added to slurry/tailings containing the mineral particles. The engineered collection media have collection surfaces coated with a chemical selected for attracting the mineral particles to the collection surfaces so the engineered collection media becomes mineral laden media in the slurry/tailings in a loading stage. The apparatus include three stages: removing unwanted material from mineral laden media; using a stripping agent to strip the mineral particles from the mineral laden media; and separating the engineered collection media from the mineral particles and the stripping agent. The stripping agent is reused for stripping, and the engineered collection media are returned to the loading stage. The engineered collection media can have a smooth or foam-like surface.

SEPARATION OF COPPER AND MOLYBDENUM SULFIDES FROM PYRITE USING A SEA WATER / DESALINATED WATER HYBRID PROCESS

A copper/molybdenum separation system uses sea water in the roughing circuit and desalinated water in cleaning circuit. In both roughing circuit and cleaning circuit, hydrophobic engineered media are used to recover the mineral particles of interest. The cleaning circuit includes a molybdenum loading stage configured to contact the conditioned pulp with the engineered media in an agitated reaction chamber, and load the hydrophobic molybdenite on the engineered media.

HYBRID - FLOTATION RECOVERY OF MINERAL BEARING ORES

A flotation tank has an input to receive a slurry from a pipeline section. The slurry contains finer mineral particles and coarser mineral particles. The pipeline section has one or more loops or coiled sections arranged to perform partial centrifugal separation on the finer and coarser mineral particles. As the mineral particles are moved tangentially into the lower part of the flotation tank, the coarser mineral particles tend to be near the tank wall while the finer mineral particles tend to move into the central part of the tank. Air bubbles or lightweight synthetic bubbles are used to collect and lift the finer mineral particles to the upper part of the tank. The coarser mineral particles are recovered by using collection surfaces coated with a hydrophobic material.

POLYMER COATING FOR SELECTIVE SEPARATION OF HYDROPHOBIC PARTICLES IN AQUEOUS SLURRY

A substrate for use in an aqueous slurry has a polymeric coating to provide a compliant and sticky surface. The polymer coating has a chemical to render the surface hydrophobic so as to attract hydrophobic or hydrophobized mineral particles in the slurry. The substrate can take the form of a conveyor belt, a bead, a mesh, an impeller, a filter or a flat surface. The substrate can also be an open-cell foam. The polymeric coating can be modified with tackifiers; plasticizers; crosslinking agents; chain transfer agents; chain extenders; adhesion promoters; aryl or alky copolymers; fluorinated copolymers and/or additives; hydrophobicizing agents such as hexamethyldisilazane; inorganic particles such as silica, hydrophobic silica, and/or fumed hydrophobic silica; MQ resin; and / or other additives to control and modify the properties of the polymer.

NANOPARTICLE FLOTATION COLLECTORS

The present disclosure relates to a process for collecting a particulate material from a mixture comprising treating the mixture with hydrophobic nanoparticles under conditions to adsorb the hydrophobic nanoparticles to the particulate material and collecting the particulate material by flotation.

FLOTATION SEPARATION USING LIGHTWEIGHT SYNTHETIC BEADS OR BUBBLES

Apparatus, such as a flotation separation device, features a flotation cell or column configured to receive a mixture of water, valuable material and unwanted material; receive polymer-based materials, including polymer bubbles or beads, configured to attach to the valuable material in the mixture; and provide enriched polymer-based materials, including enriched polymer bubbles or beads, having the valuable material attached thereon.

METHOD OF TREATMENT OF METAL OR MINERAL ORES AND RESPECTIVE COMPOSITION COLLECTORS

CHARGED ENGINEERED POLYMER BEADS/BUBBLES FUNCTIONALIZED WITH MOLECULES FOR ATTRACTING AND ATTACHING TO MINERAL PARTICLES OF INTEREST FOR FLOTATION SEPARATION

Apparatus is providing featuring a synthetic bead having a solid-phase body with a surface, and being configured with a predetermined electric charge so as to respond to a corresponding predetermined electric field; and a plurality of molecules attached to at least part of the surface, the molecules comprising a functional group selected for attracting and attaching one or more mineral particles of interest to the molecules. Some combination of the solid-phase body or the surface may be configured from a polymer. The polymer may be polyethylenimine. The polyethylenimine may be engineered or configured to be highly charged so as to be used to collect the mineral particles of interest and then manipulated through and by the corresponding predetermined electric field.

SYNTHETIC BEADS/BUBBLES FUNCTIONALIZED WITH MOLECULES FOR ATTRACTING AND ATTACHING TO MINERAL PARTICLES OF INTEREST

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attracting mineral particles to the surface in a separation process. The synthetic beads can be placed in flotation cell containing a mixture of water, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

Mineral separation using functionalized filters and membranes

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a synthetic material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles in the slurry or tailings are combined with collector molecules, the mineral particles also become hydrophobic. The hydrophobic mineral particles are attracted to the hydrophobic collection area. The filter, conveyor belt and impeller may have a plurality of passage ways in order to increase the contacting surfaces.

FROTH FLOTATION WITH ANISOTROPIC PARTICLE COLLECTORS

In one example, a method includes providing a pulp composed of a combination of particulate materials including particles of a target material. The pulp is mixed with a collector composed of anisotropic particles having at least two separate spatial domains that have different physiochemical properties, and the mixture of pulp and collector is fed into an aqueous solution containing air bubbles.

ПЕРЕРАБОТКА МИНЕРАЛЬНОГО СЫРЬЯ С ИСПОЛЬЗОВАНИЕМ ПОЛИМЕРНОГО МАТЕРИАЛА, СОДЕРЖАЩЕГО ФРАГМЕНТ, КОТОРЫЙ СЕЛЕКТИВНО СВЯЗЫВАЕТСЯ С МИНЕРАЛОМ

FIELD: chemistry. SUBSTANCE: invention relates to processing a mineral mixture, which comprises first preparing a mineral mixture, which contains a metal-containing mineral and one or more unwanted gangue minerals. Method then comprises contacting mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to metal-containing mineral. Further, method comprises separating the gangue minerals and polymeric material which has metal-containing mineral bound thereto. All steps of method are carried out as part of a flotation process. Polymeric material contains particles, configured to ensure their surfacing. Polymeric material contains a polymer formed by polymerisation of precursor polymer of formula (I), wherein R 1 represents i) CR a , where R a is hydrogen or alkyl, containing from 1 to 20 carbon atoms; ii) group N + R 13 (Z m ) 1/m , S(O) p R 14 or SiR 15 , where R 13 represents hydrogen, halogen, nitro or hydrocarbyl, containing from 1 to 20 carbon atoms, optionally having as substitutes or including its structure functional groups, R 14 and R 15 are independently selected from hydrogen or hydrocarbyl, containing from 1 to 20 carbon atoms, Z is an anion having charge m, and p equals 0, 1 or 2, iii) C(O)N, C(S)N, S(O) 2 N, C(O)ON, CH 2 ON or CH=CHR c N, where R c represents an electron-acceptor group, or iv) OC(O)CH, C(O)OCH or S(O) 2 CH; where R 12 is selected from hydrogen, halogen, nitro, hydrocarbyl, containing from 1 to 20 carbon atoms, R 2 is selected (CR 7 R 8 ) n or group CR 9 R 10 , CR 7 R 8 CR 9 R 10 or CR 9 R 10 CR 7 R 8 , where n equals 0, 1 or 2, R 7 and R 8 are independently selected from hydrogen or alkyl containing 1 to 20 carbon atoms, and one of R 9 or R 10 represents hydrogen, and other is an electron-acceptor group, or R 9 and R 10 together form an electron-acceptor group; R 4 is selected from CH or CR 11 , where CR 11 is an electron-acceptor group, dotted lines denote presence or absence of a bond, ...

СОБИРАТЕЛИ ДЛЯ ФЛОТАЦИИ МИНЕРАЛОВ

Method for the beneficiation of coal

Hybrid - flotation recovery of mineral bearing ores

A flotation tank has an input to receive a slurry from a pipeline section. The slurry contains finer mineral particles and coarser mineral particles. The pipeline section has one or more loops or coiled sections arranged to perform partial centrifugal separation on the finer and coarser mineral particles. As the mineral particles are moved tangentially into the lower part of the flotation tank, the coarser mineral particles tend to be near the tank wall while the finer mineral particles tend to move into the central part of the tank. Air bubbles or lightweight synthetic bubbles are used to collect and lift the finer mineral particles to the upper part of the tank. The coarser mineral particles are recovered by using collection surfaces coated with a hydrophobic material.

Reactor system for separation and enrichment of minerals from a slurry containing minerals and other materials

A reactor system has a number of stations arranged to recover mineral particles in a slurry. The system includes a hopper to receive the slurry and barren media having hydrophobic coating to attract the mineral particles. The hopper provides a mixture of barren media and slurry to a tumbler arranged to stir the mixture in order to increase the contact between the slurry and the barren media so as to allow the mineral particles to attach to the barren media to form mineral laden media. The mineral laden media are conveyed to a rinsing station where water jets are used to wash the gangue materials off the mineral laden media. The rinsed mineral laden media are mixed with a surfactant so that the mineral particles are released from the mineral laden media. High-pressure water and air jets are then used to remove remaining surfactant from the released media.

Flotation separation using lightweight synthetic beads or bubbles

Apparatus, such as a flotation separation device, features a flotation cell or column configured to receive a mixture of water, valuable material and unwanted material; receive polymer-based materials, including polymer bubbles or beads, configured to attach to the valuable material in the mixture; and provide enriched polymer-based materials, including enriched polymer bubbles or beads, having the valuable material attached thereon.

CLASSIFICATION PARTICLE SIZE DISTRIBUTION MODIFICATION TECHNIQUE BASED ON HYDROPHOBIC MEDIA FOR ENHANCED FLUIDIZED BED FLOTATION SEPARATION

Apparatus is provided for mineral separation, featuring a mixer configured to mix a mineral bearing ore feed and hydrophobic media particles, the mineral bearing ore feed being crushed and ground and having an ore particle size distribution characterized by about 50% or more of particles at a size of about 150 µm or less with finer particulates and mid-range particles, the hydrophobic polymer based particles having a media size of about 300 µm or more and being configured to collect the finer particulates and mid-range particles in the mineral bearing ore through hydrophobic attraction, and provide a modified feed having loaded "coarse particles" loaded with the finer particulates and mid-range particles attached thereto for further processing.

OPEN CELL OR RETICULATED FOAM FUNCTIONALIZED OPEN-NETWORK STRUCTURE FOR SELECTIVE SEPARATION OF MINERAL PARTICLES IN AN AQUEOUS SYSTEM

An engineered collection medium for use in mineral separation is described. The engineered collection medium has a solid phase body configured with a three- dimensional open-cell structure like foam or sponge to provide collection surfaces. The surfaces are functionalized with a hydrophobic chemical having molecules with a functional group for attaching mineral particles to the collection surfaces. The engineered collection medium can be a foam block, a filter or conveyor belt to be placed in a slurry to collect mineral particles in the slurry. The engineered collection medium carrying the mineral particles is provided to a release apparatus where the mineral particles can be released by using mechanical agitation, sonic agitation and so forth.

MINERAL SEPARATION USING FUNCTIONALIZED FILTERS AND MEMBRANES

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a synthetic material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles in the slurry or tailings are combined with collector molecules, the mineral particles also become hydrophobic. The hydrophobic mineral particles are attracted to the hydrophobic collection area. The filter, conveyor belt and impeller may have a plurality of passage ways in order to increase the contacting surfaces.

--MINERAL SEPARATION USING SIZED-, WEIGHT-OR MAGNETIC-BASED POLYMER BUBBLES OR BEADS--

Apparatus for use in, or forming part of, a separation process to be implemented in separation processor technology, the apparatus comprising synthetic bubbles or beads configured with a polymer or polymer-based material functionalized to attach to a valuable material in a mixture so as to form an enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be separated from the mixture based at least partly on a difference in a physical property between the enriched synthetic bubbles or beads having the valuable material attached thereto and the mixture.

AUXILIAR OF SEPARTION POR FLOTATION OF FINOS FINOS OF MENA MINERAL

Las formas de realización se refieren a métodos para mejorar la efectividad de procesos de separación por flotación de espuma, especialmente para la industria minera. En particular, un método para mejorar la eliminación de un material particular de una mena mineral triturada mediante un proceso de separación por flotación a través de la adición de una dispersión de polímero termoplástico.

MINERAL SEPARATION USING FUNCTIONALIZED POLYMER OR POLYMER-COATED FILTERS AND MEMBRANES

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a polymer or a polymer-coated material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic.

РАЗДЕЛЕНИЕ МИНЕРАЛОВ С ПРИМЕНЕНИЕМ ФУНКЦИОНАЛИЗИРОВАННЫХ МЕМБРАН

FIELD: chemistry. SUBSTANCE: invention is intended for separation of valuable material from the mixture. Device comprises the first processor configured to obtain a mixture of fluid valuable material, undesirable material and functionalized cell with polymer coating configured to be attached to valuable material in the medium for bonding, and production of enriched functionalized cell with polymer coating having valuable material attached to it; and a second processor configured to obtain fluid and enriched functionalized cell with polymer coating in the medium for release for release of valuable material and obtaining the released valuable material from enriched functionalized cell with polymer coating in the medium enabling release. Valuable material contains mineral particles, and functionalized polymer-coated element comprises surface, coated with hydrophobic silicone polymer. Method of separating involves obtaining in the first processor mixture fluid valuable material and undesirable material and functionalized cell with polymer coating configured to be attached to valuable material in the medium for bonding, and obtaining of the first processor enriched functionalized cell with polymer coating having valuable material attached to it; and obtaining in the second processor fluid and enriched functionalized cell with polymer coating in a medium facilitating release, to release valuable material, and feeding valuable material the released from enriched functionalized cell with polymer coating, in the medium enabling release. EFFECT: technical effect: improved separation of valuable material from the mixture. 36 cl, 11 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 600 764 C2 (51) МПК B01D 15/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013157582/05, 25.05.2012 (24) Дата начала отсчета срока действия патента: 25.05.2012 Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: ...

ПЕРЕРАБОТКА МИНЕРАЛЬНОГО СЫРЬЯ С ИСПОЛЬЗОВАНИЕМ ПОЛИМЕРНОГО МАТЕРИАЛА, СОДЕРЖАЩЕГО ФРАГМЕНТ, КОТОРЫЙ СЕЛЕКТИВНО СВЯЗЫВАЕТСЯ С МИНЕРАЛОМ

... 1. Способ переработки минеральной смеси, включающий следующие этапы:(a) обеспечение минеральной смеси, которая содержит металлосодержащий минерал и одну или более нежелательных пустых пород;(b) приведение минеральной смеси в контакт с полимерным материалом, содержащим минералсвязующий фрагмент, который селективно связывается с металлосодержащим минералом; и(с) разделение пустой породы и полимерного материала, к которому присоединен металлосодержащий минерал.2. Способ по п. 1, отличающийся тем, что металлосодержащий минерал содержит медь.3. Способ по п. 2, отличающийся тем, что металлосодержащий минерал представляет собой халькопирит или борнит.4. Способ по п. 1, отличающийся тем, что металлосодержащий минерал содержит по меньшей мере один из следующих металлов: литий, цинк, железо, золото, серебро, молибден, кобальт, платина, уран, другие благородные металлы, другие редкие металлы, мышьяк, ртуть, кадмий, теллур и свинец.5. Способ по любому из пп. 1-4, отличающийся тем, что минералсвязующий ...

ИЗВЛЕЧЕНИЕ МИНЕРАЛОВ ИЗ ОТХОДОВ С ИСПОЛЬЗОВАНИЕМ ФУНКЦИОНАЛИЗИРОВАННЫХ ПОЛИМЕРОВ

... 1. Способ, который включает:обеспечение функционализирования устройства для сбора с помощью синтетического материала, состоящего из множества молекул, имеющих функциональную группу, сформированную для сбора соответствующих частиц минералов на поверхности коллекторного устройства;и приведение коллекторного устройства в соприкосновение с отходами, содержащими соответствующие минеральные частицы, включая отходы флотационного процесса.2. Способ по п. 1, отличающийся тем, что функциональная группа содержит ион для связи частиц соответствующего минерала с молекулами.3. Способ по п. 2, отличающийся тем, что функциональная группа содержит один или большее число ионов в карбоксилах, сульфатах, сульфонатах, ксантатах, дитиофосфанатах, тионокарбонатах, тиомочевине, ксантогенах, монотиофосфатах, гидрохинонах и полиаминах.4. Способ по п. 2, отличающийся тем, что синтетический материал выбирается из группы, содержащей полиамиды, полиэфиры, полиуретаны, фенол-формальдегиды, мочевиноформальдегиды, меламин-формальдегид ...

MAGNETIC BENEFICIATION OF CLAYS UTILIZING MAGNETIC SEEDING AND FLOTATION

Tumbler cell for mineral recovery using engineered media

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping.

Method of acylating amino acids and uses of N-acyl amino acid products

The present invention relates to a method of preparing ...

SEPARATION OF ULTRAFINE PARTICLES BY MEANS OF RELATIVELY COARSER PARTICLES

REACTOR SYSTEM FOR SEPARATION AND ENRICHMENT OF MINERALS FROM A SLURRY CONTAINING MINERALS AND OTHER MATERIALS

A reactor system has a number of stations arranged to recover mineral particles in a slurry. The system includes a hopper to receive the slurry and barren media having hydrophobic coating to attract the mineral particles. The hopper provides a mixture of barren media and slurry to a tumbler arranged to stir the mixture in order to increase the contact between the slurry and the barren media so as to allow the mineral particles to attach to the barren media to form mineral laden media. The mineral laden media are conveyed to a rinsing station where water jets are used to wash the gangue materials off the mineral laden media. The rinsed mineral laden media are mixed with a surfactant so that the mineral particles are released from the mineral laden media. High-pressure water and air jets are then used to remove remaining surfactant from the released media.

MINERAL BENEFICIATION UTILIZING ENGINEERED MATERIALS FOR MINERAL SEPARATION AND COARSE PARTICLE RECOVERY

A selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading stage, and a second loop with the filtering stage. The loading stage has a loading mixer and a loading washing screen. The stripping stage has a stripping mixer and a stripping washing screen. The loading mixer receives the slurry and causes barren media in the circuit to contact with the slurry so that the mineral particles in the slurry are loaded onto the barren media. The media is directed to the stripping stage where the mineral particles are removed from the media. The barren media is recycled to the loading stage. The stripping solution recovered from the filtering stage is returned to the stripping stage and the mineral particles are discharged as concentrate.

CHARGED ENGINEERED POLYMER BEADS/BUBBLES FUNCTIONALIZED WITH MOLECULES FOR ATTRACTING AND ATTACHING TO MINERAL PARTICLES OF INTEREST FOR FLOTATION SEPARATION

Apparatus is providing featuring a synthetic bead having a solid-phase body with a surface, and being configured with a predetermined electric charge so as to respond to a corresponding predetermined electric field; and a plurality of molecules attached to at least part of the surface, the molecules comprising a functional group selected for attracting and attaching one or more mineral particles of interest to the molecules. Some combination of the solid-phase body or the surface may be configured from a polymer. The polymer may be polyethylenimine. The polyethylenimine may be engineered or configured to be highly charged so as to be used to collect the mineral particles of interest and then manipulated through and by the corresponding predetermined electric field.

MINERAL RECOVERY USING HYDROPHOBIC POLYMER SURFACES

Apparatus for recovering a mineral particle of interest from a slurry in a mineral extraction process, featuring a core or substrate; and multiple layers arranged on the core or substrate, each layer of the multiple layers configured with a respective outer surface having a plurality of molecules attached thereto, the molecules comprising a functional group selected for attracting and attaching one or more mineral particles of interest to the molecules. Each layer is made from a polymer having a thickness of less than or equal to about 125 microns. The polymer is selected from a group consisting of polydimethylsiloxane or dimethyl siloxane.

DIMENSIONALLY CONTROLLED 'ENGINEERED POLYMER BUBBLE' FOR FLOTATION SEPARATION

Apparatus is provided featuring a first and second cells. The first cell receives an ore slurry having mineral particles of interest, receives unexpanded polymer microspheres comprising a surface having mineral collector chemistry attached thereto with molecules for attaching the mineral particles of interest, causes the unexpanded polymer microspheres to expand substantially in volume into expanded polymer microspheres having a substantially increased sphere surface area, and provides an expanded polymer microsphere foam layer comprising the expanded polymer microspheres with attached mineral particles of interest. The second cell receives the expanded polymer microsphere foam layer, and causes the expanded polymer microspheres to collapse substantially in volume into collapsed polymer microspheres having a substantially reduced sphere surface area that results in a mechanical shearing off of the attached mineral particles of interest. The second cell may also provide a mineral concentrate output having the mineral particles of interest.

METHOD AND APPARATUS FOR TREATING A FEED STREAM FOR A FLOTATION DEVICE

The present invention provides a method and apparatus (1) for treating a feed stream (2) for a flotation device (3) comprising a mechanical agitator (30, 50) in a tank (7), the feed stream (2) comprising solid particles (10). The method comprises generating microbubbles (8) in a fluid stream (9), mixing the fluid stream with the feed stream to facilitate attachment of the microbubbles to the solid particles in the feed stream and generate bubbles (22) for attachment to microbubble-attached solid particles, and fluidly connecting the feed stream to the flotation device. The apparatus comprises a feed stream conduit (4) fluidly connected to the flotation device, a fluid stream conduit (5) fluidly connected to the feed stream conduit for conveying the fluid stream to the feed stream, and a microbubble generator (6) connected to the fluid stream conduit for generating microbubbles in the fluid stream.

Non-flotation based recovery of mineral bearing ore using hydrophobic particle collection in a pipeline section

Apparatus uses hydrophobic synthetic beads to recover mineral particles in a slurry. The synthetic beads and the slurry are mixed into a mixture for processing. The apparatus has an interaction vessel installed in a section of pipeline. The interaction vessel is made from a pipeline folded or coiled into a compact struction having a continuous flow path. The interaction vessel has an input to receive the mixture of slurry and synthetic beads. The folded or coiled structure is used to increase the residence time of the mixture in the flow path, allowing more time for the mineral particles in the slurry to attach to the surface of the synthetic bead, while maintaining a small footprint. The interaction vessel may be formed from a number of loops of pipe section. The interaction vessel may be formed from one or more folded structures.

MINERAL SEPARATION USING FUNCTIONALIZED MEMBRANES

A machine or apparatus featuring a first processor and a second processor. The first processor is configured to receive a mixture of fluid, valuable material and unwanted material and a functionalized polymer coated member configured to attach to the valuable material in an attachment rich environment, and provide an enriched functionalized polymer coated member having the valuable material attached thereto. The second processor is configured to receive a fluid and the enriched functionalized polymer coated member in a release rich environment to release the valuable material, and provide the valuable material released from the enriched functionalized polymer coated member.

Функционализованная пористым или сетчатым пеноматериалом открытая сетчатая структура для селективного отделения минеральных частиц в водной системе

РАЗДЕЛЕНИЕ МИНЕРАЛОВ С ПРИМЕНЕНИЕМ ФУНКЦИОНАЛИЗИРОВАННЫХ МЕМБРАН

... 1. Устройство, которое включает:первый процессор, сконфигурированный для получения смеси жидкости, ценного материала, нежелательного материала и функционализированного элемента с полимерным покрытием, сконфигурированного для прикрепления к ценному материалу в среде, способствующей прикреплению и обеспечение обогащенного функционализированного элемента с полимерным покрытием, который имеет ценный материал, прикрепленный к нему; ивторой процессор, сконфигурированный для получения жидкости и обогащенного функционализированного элемента с полимерным покрытием в среде, способствующей высвобождению для высвобождения ценного материала, и обеспечение высвобожденного ценного материала из обогащенного функционализированного элемента с полимерным покрытием в среду, способствующую высвобождению.2. Устройство по п.1, в котором первый процессор включает первую камеру, бак или колонну, и второй процессор включает вторую камеру, бак или колонну.3. Устройство по п.2, в котором камера, бак или колонна сконфигурированы ...

Process configurations to prevent excess re-grinding of scavengering concentrates

A system includes a collection processor configured to receive tailings of a flotation process, the tailings having mineral particles of interest; and at least one collection apparatus located in the collection processor. The collection apparatus has a collection surface configured with a functionalized polymer having molecules with a functional group that attract the mineral particles of interest to the collection surface. The flotation process has scavenger circuits that provide scavenger circuit feeds having scavenger tails. The system features enhanced scavenger circuits having the collection apparatus located in the collection processor and configured to receive the scavenger circuit feeds and provide enhanced scavenger circuit feeds having enhanced scavenger tails and enhanced scavenger concentrate for further processing by the system.

Method for the beneficiation of coal

The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a mixture of fatty acids and rosin acids (and/or certain derivatives of fatty acids and rosin acids) as a collector.

Techniques for transporting synthetic beads or bubbles in a flotation cell or column

Apparatus featuring synthetic bubbles or beads and a flotation stage. The synthetic bubbles or beads are configured with a polymer or polymer-based material functionalized to attach to the valuable material in a mixture to form at least some enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be transported through the mixture based at least partly on a characteristic of the synthetic bubbles or beads. The flotation stage has the mixture containing valuable material, and is configured to receive the synthetic bubbles or beads and to provide the at least some enriched synthetic bubbles or beads having the valuable material attached thereto based at least partly the characteristic of the synthetic bubbles or beads.

Method and apparatus for treating a feed stream for a flotation device

The present invention provides a method and apparatus (1) for treating a feed stream (2) for a flotation device (3) comprising a mechanical agitator (30, 50) in a tank (7), the feed stream (2) comprising solid particles (10). The method comprises generating microbubbles (8) in a fluid stream (9), mixing the fluid stream with the feed stream to facilitate attachment of the microbubbles to the solid particles in the feed stream and generate bubbles (22) for attachment to microbubble-attached solid particles, and fluidly connecting the feed stream to the flotation device. The apparatus comprises a feed stream conduit (4) fluidly connected to the flotation device, a fluid stream conduit (5) fluidly connected to the feed stream conduit for conveying the fluid stream to the feed stream, and a microbubble generator (6) connected to the fluid stream conduit for generating microbubbles in the fluid stream.

Open cell or reticulated foam functionalized open-network structure for selective separation of mineral particles in an aqueous system

An engineered collection medium for use in mineral separation is described. The engineered collection medium has a solid phase body configured with a three- dimensional open-cell structure like foam or sponge to provide collection surfaces. The surfaces are functionalized with a hydrophobic chemical having molecules with a functional group for attaching mineral particles to the collection surfaces. The engineered collection medium can be a foam block, a filter or conveyor belt to be placed in a slurry to collect mineral particles in the slurry. The engineered collection medium carrying the mineral particles is provided to a release apparatus where the mineral particles can be released by using mechanical agitation, sonic agitation and so forth.

Tumbler cell for mineral recovery using engineered media

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping.

NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOBIC PARTICLE COLLECTION IN A PIPELINE SECTION

Apparatus uses hydrophobic synthetic beads to recover mineral particles in a slurry. The synthetic beads and the slurry are mixed into a mixture for processing. The apparatus has an interaction vessel installed in a section of pipeline. The interaction vessel is made from a pipeline folded or coiled into a compact struction having a continuous flow path. The interaction vessel has an input to receive the mixture of slurry and synthetic beads. The folded or coiled structure is used to increase the residence time of the mixture in the flow path, allowing more time for the mineral particles in the slurry to attach to the surface of the synthetic bead, while maintaining a small footprint. The interaction vessel may be formed from a number of loops of pipe section. The interaction vessel may be formed from one or more folded structures.

COMPOSITION FOR DRESSING PHOSPHATE ORE

The invention relates to a flotation agent for phosphate ore, comprising at one fatty acid and at least one sarcosinate of the formula (I) wherein R is a C7 to C21 alkyl or alkenyl group, which sarcosinate may be present in the form of a cation derived therefrom caused by protonation of the nitrogen atom, wherein the amount of fatty acid is from 70 to 99 wt.-%, and wherein the amount of the sarcosinate of the formula (I) is from 1 to 30 wt.-%.

METHOD AND SYSTEM FOR RELEASING MINERAL FROM SYNTHETIC BUBBLES AND BEADS

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attaching mineral particles to the surface in a separation process. The synthetic beads can be placed in flotation cell containing a mixture of water, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

MINERAL SEPARATION USING FUNCTIONALIZED FILTERS AND MEMBRANES

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a synthetic material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles in the slurry or tailings are combined with collector molecules, the mineral particles also become hydrophobic. The hydrophobic mineral particles are attracted to the hydrophobic collection area. The filter, conveyor belt and impeller may have a plurality of passage ways in order to increase the contacting surfaces.

MINERAL SEPARATION USING FUNCTIONALIZED POLYMER OR POLYMER-COATED FILTERS AND MEMBRANES

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a polymer or a polymer-coated material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic.

MINERAL SEPARATION USING SIZED-, WEIGHT-OR MAGNETIC-BASED POLYMER BUBBLES OR BEADS

Apparatus for use in, or forming part of, a separation process to be implemented in separation processor technology, the apparatus comprising synthetic bubbles or beads configured with a polymer or polymer-based material functionalized to attach to a valuable material in a mixture so as to form an enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be separated from the mixture based at least partly on a difference in a physical property between the enriched synthetic bubbles or beads having the valuable material attached thereto and the mixture.

MINERAL SEPARATION USING FUNCTIONALIZED MEMBRANES

A machine or apparatus featuring a first processor and a second processor. The first processor is configured to receive a mixture of fluid, valuable material and unwanted material and a functionalized polymer coated member configured to attach to the valuable material in an attachment rich environment, and provide an enriched functionalized polymer coated member having the valuable material attached thereto. The second processor is configured to receive a fluid and the enriched functionalized polymer coated member in a release rich environment to release the valuable material, and provide the valuable material released from the enriched functionalized polymer coated member.

Collector for mineral flotation

Método que comprende proporcionar un aparato de recolección funcionalizado con un material sintético que contiene múltiples moléculas que poseen un grupo funcional configurado para recolectar partículas minerales en la superficie del aparato, y ocasionar que el aparato se contacte con desechos que poseen las partículas; sistema.

MÉTODO CARACTERIZADO PORQUE COMPRENDE: PROPORCIONAR UN APARATO DE RECOLECCIÓN FUNCIONALIZADO CON UN MATERIAL SINTÉTICO QUE COMPRENDE MÚLTIPLES MOLÉCULAS QUE POSEEN UN GRUPO FUNCIONAL CONFIGURADO PARA RECOLECTAR PARTÍCULAS MINERALES DE INTERÉS EN LA SUPERFICIE DEL APARATO DE RECOLECCIÓN Y OCASIONAR QUE EL APARATO DE RECOLECCIÓN SE PONGA EN CONTACTO CON DESECHOS QUE POSEEN LAS PARTÍCULAS MINERALES DE INTERÉS QUE INCLUYEN LOS DESECHOS DE UN PROCESO DE FLOTACIÓN. SISTEMA CARACTERIZADO PORQUE COMPRENDE: UN PROCESADOR DE RECOLECCIÓN QUE SE CONFIGURA PARA RECIBIR DESECHOS DE UN PROCESO DE FLOTACIÓN, LOS DESECHOS TIENEN PARTÍCULAS MINERALES DE INTERÉS; AL MENOS UN APARATO DE RECOLECCIÓN UBICADO EN EL PROCESADOR DE RECOLECCIÓN, EL APARATO DE RECOLECCIÓN COMPRENDE UNA SUPERFICIE DE RECOLECCIÓN CONFIGURADA CON UN POLÍMERO FUNCIONALIZADO QUE COMPRENDE MÚLTIPLES MOLÉCULAS QUE POSEEN UN GRUPO FUNCIONAL CONFIGURADO PARA ATRAER A LAS PARTÍCULAS MINERALES DE INTERÉS A LA SUPERFICIE DE RECOLECCIÓN.

Técnica de modificación de la distribución del tamaño de clasificación de partículas basada en medios hidrófobos para mejorar la separación por flotación en lecho fluidizado

Se proporciona un aparato para la separación de minerales, con un mezclador configurado para mezclar una alimentación de mena que contiene mineral y partículas de medios hidrófobos, la alimentación de mena que contiene mineral se tritura y se muele y tiene una distribución de tamaño de partícula de mineral caracterizada por aproximadamente el 50% o más de partículas a una tamaño de aproximadamente 150 µm o menos con partículas más finas y partículas de rango medio, las partículas basadas en polímeros hidrófobos tienen un tamaño medio de alrededor de 300 µm o más y están configuradas para recolectar las partículas más finas y partículas de rango medio en la mena que contiene minerales mediante atracción hidrófoba, y proporciona una alimentación modificada que tiene "partículas gruesas" cargadas con partículas más finas y partículas de rango medio unidas a las mismas para su posterior procesamiento.

Tambor de celda para la recuperación de minerales utilizando medios diseñados

EL APARATO USA MEDIOS DE RECOLECCIÓN DISEÑADOS PARA RECUPERAR PARTÍCULAS MINERALES EN UNA SUSPENSIÓN; EL APARATO TIENE UN TAMBOR DE CELDA Y UN DISPOSITIVO DE ROTACIÓN PARA GIRAR EL TAMBOR DE CELDA; EL TAMBOR DE CELDA TIENE UN CONTENEDOR PARA CONTENER UNA MEZCLA DE LOS MEDIOS DISEÑADOS Y LA SUSPENSIÓN QUE CONTIENE LAS PARTÍCULAS MINERALES; EL CONTENEDOR SE GIRA DE TAL MANERA QUE AL MENOS PARTE DE LA MEZCLA EN LA PARTE SUPERIOR DEL CONTENEDOR SE HACE INTERACTUAR CON AL MENOS PARTE DE LA MEZCLA EN LA PARTE INFERIOR DEL CONTENEDOR; COMO TAL, SE MEJORA EL CONTACTO ENTRE LOS MEDIOS DISEÑADOS Y LAS PARTÍCULAS MINERALES; LAS SUPERFICIES DE LOS MEDIOS DISEÑADOS ESTÁN FUNCIONALIZADAS CON UN QUÍMICO QUE TIENE MOLÉCULAS PARA ATRAER LAS PARTÍCULAS MINERALES A LAS SUPERFICIES PARA FORMAR MEDIOS CARGADOS DE MINERALES; DESPUÉS DE QUE LOS MEDIOS CARGADOS DE MINERALES SE DESCARGAN DEL TAMBOR DE CELDA, LAS PARTÍCULAS MINERALES PUEDEN SEPARARSE DE LOS MEDIOS DISEÑADOS MEDIANTE EXTRACCIÓN.

Removal of hydrophobic particles using carbon dioxide

A plurality of collection surfaces for use in an aqueous slurry has a polymeric coating to provide a compliant and sticky surface. The polymer coating has a chemical to render the surface hydrophobic so as to attract hydrophobic or hydrophobized mineral particles in the slurry. The substrate can take the form of a conveyor belt, a bead, a mesh, an impeller, a filter or a flat surface. The substrate can also be an open-cell foam. The collection surfaces having the mineral particles attached thereon are caused to interact with liquid and supercritical carbon dioxide so that the mineral particles can be stripped from the collection surfaces.

РАЗДЕЛЕНИЕ МИНЕРАЛОВ С ПРИМЕНЕНИЕМ ФУНКЦИОНАЛИЗИРОВАННЫХ ФИЛЬТРОВ И МЕМБРАН

FIELD: cleaning device. SUBSTANCE: invention relates to method for filtration and device for separation of particles, namely, separation of valuable metal from undesirable material in water containing mixture. Device for collection of mineral particles in suspension or wastes can be made in form of filter, conveyor belt, or impeller with storage section, comprising surface accumulation areas, intended for contact with mixture, and made of, or coated with synthetic material, which has functional group for attachment of mineral particles. Synthetic material has hydrophobic molecules to make storage section hydrophobic, at that synthetic material contains siloxane derivative. When mineral particles in suspension or wastes are combined with collector molecules, mineral particles also become hydrophobic and remain attached to hydrophobic storage section. Filter, conveyor belt, and impeller may have multiple flow-through channels in order to increase contact surfaces. EFFECT: this approach provides better separation of valuable material, including in flotation chamber, by elimination of problems associated with using air bubbles in such separation process. 18 cl, 32 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 578 317 C2 (51) МПК B03D 1/14 (2006.01) B03D 1/02 (2006.01) B01D 63/16 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013157524/05, 25.05.2012 (24) Дата начала отсчета срока действия патента: 25.05.2012 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): РОТМАН, Пол, Дж. (US), ФЕРНАЛД, Марк Р. (US), ДИДДЕН, Фрэнсис, К. (US), ЭДАМСОН, Дуглас, Х. (US) R U (73) Патентообладатель(и): СИДРА КОРПОРЕЙТ СЕРВИСИЗ ИНК. (US) 25.05.2011 US 61/489,893; 12.09.2011 US 61/533,544 (43) Дата публикации заявки: 27.06.2015 Бюл. № 18 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 25.12.2013 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: US 2010200510 A1, 12.08.2010. WO 02066168 ...

СПОСОБ ПОВЫШЕНИЯ РАБОЧИХ ХАРАКТЕРИСТИК СОБИРАТЕЛЯ ПРИ РАЗДЕЛЕНИИ ПУЛЬПЫ ПЕННОЙ ФЛОТАЦИЕЙ (ВАРИАНТЫ)

FIELD: technological processes.SUBSTANCE: disclosed group of inventions relates to methods for improving performance of a collector during pulp separation by froth floatation. Method of improving performance of a collector during pulp separation by froth floatation in a medium, wherein the method includes steps of: mixing a stable microemulsion, medium, fine materials and, optionally, other additives and removing the concentrate from the pulp by bubbling through the pulp. Microemulsion contains a continuous phase, which is a carrier fluid, and a dispersed phase, where the microemulsion overall, by weight, consists of: 1–95 % water, 1–50 % active collector, 1–25 % fatty acid, 1–30 % 2-butoxyethanol, 1–25 % waste stream in the form of a mixture of alcohols, obtained by the production of 2-ethylhexanol, and 1–10 % potassium hydroxide. In the second embodiment, the microemulsion contains 8–15 % paraffin oil, 4–8 % fatty acid, 10–18 % 2-butoxyethanol, 1–8 % alcohol mixture from the waste stream from the production of 2-ethylhexanol, 60–70 % water and 0.4–1.5 % potassium hydroxide. In the third embodiment, the microemulsion contains 8–15 % diesel fuel, 4–10 % fatty acid, 10–15 % 2-butoxyethanol, 1–7 % mixture of alcohols from the waste stream from the production of 2-ethylhexanol, 50–65 % water and 1–2 % potassium hydroxide.EFFECT: high efficiency of the collector and, therefore, the flotation process.9 cl, 1 dwg, 1 tbl РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 679 765 C2 (51) МПК B03D 1/02 (2006.01) B03D 101/02 (2006.01) B03D 103/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B03D 1/004 (2006.01); B03D 1/006 (2006.01); B03D 1/02 (2006.01); B03D 1/021 (2006.01); B03D 1/023 (2006.01); B03D 2201/02 (2006.01); B03D 2201/04 (2006.01); B03D 2203/06 (2006.01) (21)(22) Заявка: 2016116924, 29.09.2014 29.09.2014 (73) Патентообладатель(и): ЭКОЛАБ ЮЭсЭй ИНК. (US) Дата регистрации: 12.02.2019 01.10.2013 US 14/042,994 (43) ...

Patent RU2018124300A3

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2018 124 300 A (51) МПК B01D 61/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2018124300, 09.01.2017 (71) Заявитель(и): СИДРА КОРПОРЕЙТ СЕРВИСЕЗ ЛЛС (US) Приоритет(ы): (30) Конвенционный приоритет: 07.01.2016 US 62/276,051; 07.10.2016 US 62/405,569 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 07.08.2018 US 2017/012689 (09.01.2017) (87) Публикация заявки PCT: WO 2017/120569 (13.07.2017) A Адрес для переписки: 191036, Санкт-Петербург, а/я 24, "НЕВИНПАТ" R U (57) Формула изобретения 1. Специализированное средство сбора, содержащее твердофазное тело, выполненное с трехмерной структурой с открытыми порами, для обеспечения множества поверхностей сбора, и множество молекул, обеспеченных на поверхностях сбора, причем молекулы содержат функциональную группу, имеющую химическую связь для притягивания одной или более минеральных частиц в водной смеси к молекулам, вызывая присоединение минеральных частиц к поверхностям сбора. 2. Специализированное средство сбора по п. 1, дополнительно содержащее покрытие, выполненное с гидрофобным химикатом, выбранным из группы, состоящей из полисилоксанатов, поли(диметилсилоксана), фторалкилсилана и/или чувствительных к давлению клеев с низкой поверхностной энергией, для обеспечения указанных молекул. 3. Специализированное средство сбора по п. 2, в котором твердофазное тело изготовлено из материала, выбранного из полиуретана, сложнополиэфироуретана, полиэфироуретана, усиленных уретанов, покрытого ПВХ полиуретана, силикона, полихлоропрена, полиизоцианурата, полистирола, полиолефина, поливинилхлорида, эпоксидной смолы, латекса, фторполимера, полипропилена, фенольной смолы, ЭПДК (этилен-пропилен-диеновый каучук) и нитрила. 4. Специализированное средстве сбора по п. 3, в котором твердофазное тело имеет Стр.: 1 A 2 0 1 8 1 2 4 3 0 0 (54) Функционализованная пористым или сетчатым пеноматериалом открытая сетчатая структура для ...

РАЗДЕЛЕНИЕ МИНЕРАЛОВ С ПРИМЕНЕНИЕМ ФУНКЦИОНАЛИЗИРОВАННЫХ ФИЛЬТРОВ И МЕМБРАН

... 1. Устройство содержит:накопительный участок, содержащий поверхности накопления, сконфигурированные для контакта со смесью, содержащей воду и ценный материал, ценный материал содержит множество минеральных частичек; исинтетический материал, обеспечивающий, по крайней мере, на поверхности накопления, синтетический материал, содержащий множество молекул, содержащих функциональные группы, сконфигурированные для привлечения минеральных частичек к поверхности накопления.2. Устройство по п. 1, в котором функциональная группа содержит химическую функциональную группу для связывания минеральных частичек с молекулами.3. Устройство по п. 1, в котором функциональная группа включает ион, который является либо анионным, либо катионным.4. Устройство по п. 3, в котором функциональная группа включает один или более ионов из группы карбоновых, сульфатов, сульфонатов, ксантогенатов, дитиофосфатов, тионокарбаматов, тиомочевин, ксантогенов, монотиофосфатов, гидрохинонов и полиаминов.5. Устройство по п. 1, ...

Method for extracting non-magnetic valuable material e.g. indium, from fuel cell, involves adding chemicals for separation of hydrophobic binding of agglomerates, and magnetically separating magnetic material

The method (1) involves cutting an electronic scrap (2) into particles. Suspension is formed (3) by adding water and hydrophobizing agent, which is selectively combined with valuable material to be extracted. Hydrophobized magnetic material e.g. magnetite and xanthate, is added (4). Agglomerates containing the hydrophobized valuable material particles and hydrophobized magnetic material, of the suspension are separated (5). Chemicals e.g. surface active agents, are added (6) for separation of hydrophobic binding of the agglomerates. The magnetic material is magnetically separated (7).

MINERAL SEPERATION USING SIZED -, WEIGHT - OR MAGNETIC - BASED POLYMER BUBBLES OR BEADS -

Apparatus for use in, or forming part of, a separation process to be implemented in separation processor technology, the apparatus comprising synthetic bubbles or beads configured with a polymer or polymer-based material functionalized to attach to a valuable material in a mixture so as to form an enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be separated from the mixture based at least partly on a difference in a physical property between the enriched synthetic bubbles or beads having the valuable material attached thereto and the mixture.

Mineral separation using functionalized membranes

A machine or apparatus featuring a first processor and a second processor. The first processor is configured to receive a mixture of fluid, valuable material and unwanted material and a functionalized polymer coated member configured to attach to the valuable material in an attachment rich environment, and provide an enriched functionalized polymer coated member having the valuable material attached thereto. The second processor is configured to receive a fluid and the enriched functionalized polymer coated member in a release rich environment to release the valuable material, and provide the valuable material released from the enriched functionalized polymer coated member.

Mineral beneficiation utilizing engineered materials for mineral separation and coarse particle recovery

A selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading stage, and a second loop with the filtering stage. The loading stage has a loading mixer and a loading washing screen. The stripping stage has a stripping mixer and a stripping washing screen. The loading mixer receives the slurry and causes barren media in the circuit to contact with the slurry so that the mineral particles in the slurry are loaded onto the barren media. The media is directed to the stripping stage where the mineral particles are removed from the media. The barren media is recycled to the loading stage. The stripping solution recovered from the filtering stage is returned to the stripping stage and the mineral particles are discharged as concentrate.

Dimensionally controlled 'engineered polymer bubble' for flotation separation

Apparatus is provided featuring a first and second cells. The first cell receives an ore slurry having mineral particles of interest, receives unexpanded polymer microspheres comprising a surface having mineral collector chemistry attached thereto with molecules for attaching the mineral particles of interest, causes the unexpanded polymer microspheres to expand substantially in volume into expanded polymer microspheres having a substantially increased sphere surface area, and provides an expanded polymer microsphere foam layer comprising the expanded polymer microspheres with attached mineral particles of interest. The second cell receives the expanded polymer microsphere foam layer, and causes the expanded polymer microspheres to collapse substantially in volume into collapsed polymer microspheres having a substantially reduced sphere surface area that results in a mechanical shearing off of the attached mineral particles of interest. The second cell may also provide a mineral concentrate ...

Peptide binding to arsenic-containing mineral and use thereof

(Technical problems to be solved) Providing a method for selecting minerals containing arsenic (Means for solving the problems) A peptide comprising an amino acids sequence according to the following formula: (TSNQ)-(HPW)-(ED)-(HPWRK)-(LIVFA)-(LIVFA)-(LIVFA)-(TSNQ)-(HPW)-(LIVFA)-(TSNQ)-(LIVFA) wherein one amino acid is respectively selected from each group defined by paired parentheses.

High intensity conditioning prior to enhanced mineral separation process

A system for separating mineral particles of interest from an ore features mineral processing operations/stages/circuits configured to receive an ore, or mineral particles or concentrates formed by processing the ore, and provide processed mineral particles or concentrates, or a waste stream, for further enhanced mineral separation downstream processing; an enhanced mineral separation processor having a collection apparatus located therein, the collection apparatus having a collection surface configured with a functionalized polymer including molecules having a functional group configured to attract the mineral particles of interest to the collection surface, the enhanced mineral separation processor receive the processed mineral particles or concentrates, or the waste stream, and provide further enhanced downstream processed mineral particles or concentrates, or a further enhanced downstream processed waste stream; and a high intensity conditioning operation, stage or circuit configured ...

Cyclone underflow scavengering process using enhanced mineral separation circuits (EMSC)

A system is provided for processing a circulating load in comminution circuit of a mineral separation process for separating mineral particles of interest from an ore, featuring: a coarse screen and an enhanced mineral separation circuit (EMSC). The coarse screen may be configured to receive a cyclone underflow having mineral particles of interest and forming part of the circulating load of the comminution circuit, and provide coarse screen feeds for further processing. The enhanced mineral separation circuit may include a collection processor configured to receive one of the coarse screen feeds, and may also include at least one collection apparatus located in the collection processor, the at least one collection apparatus having a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface, and provide enhanced mineral separation circuit feeds ...

Mineral processing plant

A modified selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading stage, a second loop with the filtering stage. The loading stage has a loading mixer and 5 a loading washing screen. The stripping stage has a stripping mixer and a stripping washing screen. The loading mixer receives the slurry and causes barren media in the circuit to contact with the slurry so that the mineral particles in the slurry are loaded onto the barren media. The media is directed to the stripping stage where the mineral particles are removed 10 from the media. The barren media is recycled to the loading stage. The stripping solution recovered from the filtering stage is returned to the stripping stage and the mineral particles are discharged as concentrate.

HYBRID - FLOTATION RECOVERY OF MINERAL BEARING ORES

A flotation tank has an input to receive a slurry from a pipeline section. The slurry contains finer mineral particles and coarser mineral particles. The pipeline section has one or more loops or coiled sections arranged to perform partial centrifugal separation on the finer and coarser mineral particles. As the mineral particles are moved tangentially into the lower part of the flotation tank, the coarser mineral particles tend to be near the tank wall while the finer mineral particles tend to move into the central part of the tank. Air bubbles or lightweight synthetic bubbles are used to collect and lift the finer mineral particles to the upper part of the tank. The coarser mineral particles are recovered by using collection surfaces coated with a hydrophobic material.

TUMBLER CELL FOR MINERAL RECOVERY USING ENGINEERED MEDIA

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping.

SYNTHETIC BUBBLES OR BEADS HAVING HYDROPHOBIC SURFACE

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of or coated with a synthetic material such as a polymer that is naturally hydrophobic or a polymer that is hydrophobically modified. The synthetic bead can be made of glass having a coating or polysiloxane. The synthetic beads can be placed in flotation cell containing a mixture of water, collector molecules, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The collector chemical can be xanthates. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

FLOTATION SEPARATION USING LIGHTWEIGHT SYNTHETIC BEADS OR BUBBLES

Apparatus, such as a flotation separation device, features a flotation cell or column configured to receive a mixture of water, valuable material and unwanted material; receive polymer-based materials, including polymer bubbles or beads, configured to attach to the valuable material in the mixture; and provide enriched polymer-based materials, including enriched polymer bubbles or beads, having the valuable material attached thereon.

MINERAL SEPARATION USING FUNCTIONALIZED MEMBRANES

A machine or apparatus featuring a first processor and a second processor. The first processor is configured to receive a mixture of fluid, valuable material and unwanted material and a functionalized polymer coated member configured to attach to the valuable material in an attachment rich environment, and provide an enriched functionalized polymer coated member having the valuable material attached thereto. The second processor is configured to receive a fluid and the enriched functionalized polymer coated member in a release rich environment to release the valuable material, and provide the valuable material released from the enriched functionalized polymer coated member.

METHOD AND SYSTEM FOR RELEASING MINERAL FROM SYNTHETIC BUBBLES AND BEADS

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attaching mineral particles to the surface in a separation process. The synthetic beads can be placed in flotation cell containing a mixture of water, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

Mineral separation using functionalized membranes

Provided is a machine or an apparatus featuring a first processor and a second processor. The first processor is configured to receive a mixture of fluid, valuable material and unwanted material and a functionalized polymer coated member configured to attach to the valuable material in an attachment rich environment, and provide an enriched functionalized polymer coated member having the valuable material attached thereto. The second processor is configured to receive a fluid and the enriched functionalized polymer coated member in a release rich environment to release the valuable material, and provide the valuable material released from the enriched functionalized polymer coated member.

SEPARATION OF FINE SOLIDS WITH ADSORBING BODIES

método e composição para intensificar o desempenho de um coletor em uma separação por flotação em espuma de suspensão em um meio

NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOBIC PARTICLE COLLECTION IN A PIPELINE SECTION

Apparatus uses hydrophobic synthetic beads to recover mineral particles in a slurry. The synthetic beads and the slurry are mixed into a mixture for processing. The apparatus has an interaction vessel installed in a section of pipeline. The interaction vessel is made from a pipeline folded or coiled into a compact struction having a continuous flow path. The interaction vessel has an input to receive the mixture of slurry and synthetic beads. The folded or coiled structure is used to increase the residence time of the mixture in the flow path, allowing more time for the mineral particles in the slurry to attach to the surface of the synthetic bead, while maintaining a small footprint. The interaction vessel may be formed from a number of loops of pipe section. The interaction vessel may be formed from one or more folded structures. 117-. (canceled)18. A method comprising:receiving in a fluid conduit a mixture comprising a slurry and a plurality of hydrophobic synthetic beads, the slurry comprising mineral particles;arranging at least a part of the fluid conduit into a compact coiled and folded structure having a continuous fluid path;allowing the mineral particles to attach to the hydrophobic synthetic beads at least in the compact structure to form enriched synthetic beads in the fluid path; anddischarging from the compact coiled or folded structure the enriched synthetic beads.19. The method according to claim 18 , wherein the method comprises configuring the compact coiled and folded structure with a plurality of loops interconnected to provide the continuous fluid path.20. The method according to claim 18 , wherein the compact coiled and folded structure comprises a plurality of pipe segments interconnected to form a folded structure to provide the continuous fluid path.21. A method comprising:providing a plurality of synthetic beads;arranging a fluid conduit to receive a mixture of slurry to be mixed with the plurality of synthetic beads, the slurry having ...

Magnetic beneficiation of clays utilizing magnetic seeding and flotation

A method is disclosed for separating titaniferous and ferruginous discolorants from a crude kaolin clay. A dispersed aqueous slurry of the clay is formed containing a deflocculant and a fatty acid collecting agent, and the slurry is conditioned to coat the discolorants with the collecting agent to thereby render the discolorants hydrophobic. A system of sub-micron sized magnetic ferrite seeding particles, the surfaces of which have been rendered hydrophobic, is thereupon added to the slurry. The seeded slurry is mixed to coalesce the hydrophobic-surfaced discolorants with the hydrophobic-surfaced seeding particles, and the slurry is then subjected to a froth flotation, which removes substantial quantities of the discolorants and seeding particles coalesced therewith, and also removes excess seeding particles and excess collecting agent. The flotation-beneficiated slurry is then subjected to a magnetic separation by passing the slurry through a porous ferromagnetic matrix positioned in a ...

ИЗВЛЕЧЕНИЕ МИНЕРАЛОВ ИЗ ОТХОДОВ С ИСПОЛЬЗОВАНИЕМ ФУНКЦИОНАЛИЗИРОВАННЫХ ПОЛИМЕРОВ

FIELD: technological processes. SUBSTANCE: invention relates to separation of valuable material from waste material in mixtures, such as wastes of flotation process. Method of extraction of minerals from tailings of flotation process comprises: providing a device for collecting functionalised synthetic material, comprising a plurality of molecules having a functional group for collection of mineral particles of interest to surface of collection device; and bringing device to collect contact tailings with mineral particles of interest including tailings of flotation process, wherein functional group is intended to make device surface for collecting hydrophobic, and wherein synthetic material is selected from a group consisting of a derivative of siloxane, polydimethylsiloxane and polysiloxanes of hydrophobically modified ethyl hydroxy ethylcellulose. Method is carried out using a system consisting of a collection processor operable to receive flotation tailings with mineral particles; and at least one device for collection, housed in collection processor. Device for collecting includes collecting surface formed with a functionalised polymer containing a plurality of molecules having a functional group designed for attraction of mineral particles of interest to collecting surface. Functional group is intended to make surface of device for collecting hydrophobic. Synthetic material is selected from a group consisting of a derivative of siloxane, polydimethylsiloxane and polysiloxanes of hydrophobically modified ethyl hydroxy ethylcellulose. EFFECT: higher efficiency of extraction of valuable materials from wastes. 21 cl, 19 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 585 615 C2 (51) МПК B03B 9/06 (2006.01) B03B 5/44 (2006.01) B03D 1/08 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2013157534/03, 25.05.2012 (24) Дата начала отсчета срока действия патента: 25.05.2012 Приоритет(ы): (30) Конвенционный ...

КОМПОЗИЦИИ ДЛЯ ОБОГАЩЕНИЯ ФОСФАТНЫХ РУД

1. Флотационный агент для фосфатной руды, содержащий по меньшей мере одну жирную кислоту и по меньшей мере один саркозинат формулы (I),в которой R является С-Салкильной или алкенильной группой, а саркозинат может быть в форме катиона, полученного путем протонирования атома азота, причем доля жирной кислоты составляет от 80 до 99 мас. %, а доля саркозината формулы (I) - от 1 до 20 мас. %.2. Флотационный агент по п. 1, содержащий жирную кислоту, в которой от 8 до 26 углеродных атомов.3. Флотационный агент по п. 1 или 2, в котором R - С-Состаток.4. Применение флотационного агента, содержащего по меньшей мере одну жирную кислоту и по меньшей мере один саркозинат формулы (I),в которой R является С-Салкильной или алкенильной группой, а саркозинат может быть в форме катиона, полученного путем протонирования атома азота, причем доля жирной кислоты составляет от 70 до 99 мас. %, а доля саркозината формулы (I) - от 1 до 30 мас. %, в количестве от 100 до 1000 г/т для флотации фосфатной руды.5. Способ флотации фосфатных руд, включающий этап добавления от 100 г/т до 1000 г/т флотационного реагента, содержащего по меньшей мере одну жирную кислоту и по меньшей мере один саркозинат формулы (I),в которой R является С-Салкильной или алкенильной группой, а саркозинат может быть в форме катиона, полученного путем протонирования атома азота, причем доля жирной кислоты составляет от 70 до 99 мас. %, а доля саркозината формулы (I) - от 1до 30 мас. %, к водной суспензии фосфатной руды и аэрирование полученной в результате смеси. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 113 408 A (51) МПК B03D 1/01 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015113408, 20.08.2013 (71) Заявитель(и): КЛАРИАНТ ФИНАНС (БВИ) ЛИМИТЕД (VG), КЛАРИАНТ С.А. (BR) Приоритет(ы): (30) Конвенционный приоритет: 13.09.2012 EP 12006427.4 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 13.04.2015 (86) Заявка PCT: (87) Публикация заявки PCT: WO ...

Mineral separation using functionalized polymer or polymer-coated filters and membranes

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a polymer or a polymer-coated material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic.

Mineral separation using functionalized polymer or polymer-coated filters and membranes

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a polymer or a polymer-coated material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic.

Mineral recovery using hydrophobic polymer surfaces

Apparatus for recovering a mineral particle of interest from a slurry in a mineral extraction process, featuring a core or substrate; and multiple layers arranged on the core or substrate, each layer of the multiple layers configured with a respective outer surface having a plurality of molecules attached thereto, the molecules comprising a functional group selected for attracting and attaching one or more mineral particles of interest to the molecules. Each layer is made from a polymer having a thickness of less than or equal to about 125 microns. The polymer is selected from a group consisting of polydimethylsiloxane or dimethyl siloxane.

Combination of carrier-magnetic-separation and a further separation for mineral processing

The present invention relates to a process for concentrating desired particles comprising a carrier-magnetic-separation comprising the following steps a) providing a feedstock which contains the desired particles and an undesired material;b) adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the desired particles or of the magnetic particles and the undesired material; c) separating the agglomerates from the loaded feedstock by a separation method which results in isolated agglomerates, where the separation method is selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration,and flotation;d) breaking up the isolated agglomerates to obtain a suspension comprising the magnetic particles in desagglomerated form; and e) separating the magnetic particles from the suspension obtained in step d) by a separation method selected from sorting, electric ...

PROCESS TO TREAT METAL OR MINERAL ORES AND COLLECTOR COMPOSITION THEREFOR

The present invention relates to a process to treat metal or mineral ores with a collector composition that comprises a nitrile group-containing compound of the formula (I) wherein R is a saturated or unsaturated, linear or branched, hydrocarbon group containing 8 to 26 carbon atoms, R' = O or (II) or (III) or (IV) R'' is a saturated or unsaturated, linear or branched, hydrocarbon group containing 1 to 26 carbon atoms or a hydrogen atom or (-(D)j-CnH2nCN) group or R-((A)m-(B))x group, A is (-0-CH2CH2-); (-O-CH(CH3)CH2-) or (-O-CH(CH2CH3)CH2-) B is (-O-CpH2p-) D is (-CH2CH2-O-); (-CH(CH3)CH2-O-) or (-CH(CH2CH3)CH2-O-) x is 0 or 1 R''' is hydrocarbon group containing 1 to 4 carbon atoms Y is halide or methylsulfate m, j are each independently an integer of 0-5 R'''' is a saturated or unsaturated, linear or branched, hydrocarbon group containing 1 to 26 carbon atoms and n and p are each independently an integer of 1 to 5. The invention also relates to collector composition containing the above ...

DIMENSIONALLY CONTROLLED 'ENGINEERED POLYMER BUBBLE' FOR FLOTATION SEPARATION

Apparatus is provided featuring a first and second cells. The first cell receives an ore slurry having mineral particles of interest, receives unexpanded polymer microspheres comprising a surface having mineral collector chemistry attached thereto with molecules for attaching the mineral particles of interest, causes the unexpanded polymer microspheres to expand substantially in volume into expanded polymer microspheres having a substantially increased sphere surface area, and provides an expanded polymer microsphere foam layer comprising the expanded polymer microspheres with attached mineral particles of interest. The second cell receives the expanded polymer microsphere foam layer, and causes the expanded polymer microspheres to collapse substantially in volume into collapsed polymer microspheres having a substantially reduced sphere surface area that results in a mechanical shearing off of the attached mineral particles of interest. The second cell may also provide a mineral concentrate ...

TECHNIQUES FOR TRANSPORTING SYNTHETIC BEADS OR BUBBLES IN A FLOTATION CELL OR COLUMN

Apparatus featuring synthetic bubbles or beads and a flotation stage. The synthetic bubbles or beads are configured with a polymer or polymer-based material functionalized to attach to the valuable material in a mixture to form at least some enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be transported through the mixture based at least partly on a characteristic of the synthetic bubbles or beads. The flotation stage has the mixture containing valuable material, and is configured to receive the synthetic bubbles or beads and to provide the at least some enriched synthetic bubbles or beads having the valuable material attached thereto based at least partly the characteristic of the synthetic bubbles or beads.

SYNTHETIC BEADS/BUBBLES FUNCTIONALIZED WITH MOLECULES FOR ATTRACTING AND ATTACHING TO MINERAL PARTICLES OF INTEREST

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attracting mineral particles to the surface in a separation process. The synthetic beads can be placed in flotation cell containing a mixture of water, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

MINERAL RECOVERY IN TAILINGS USING FUNCTIONALIZED POLYMERS

An apparatus and method for collecting mineral particles in the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt, a collection plate or an impeller configured to contact with tailings of a flotation process, before and/or after the tailings are discharged into a pond. The filter, conveyor belt, collection plate or impeller has a collection area or surface made of, or coated with, a synthetic material having a functional group, e.g., having an ionizing bond to attract the mineral particles of interest. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles of interest in the tailings are combined with collector molecules, the mineral particles of interest may also become hydrophobic. The hydrophobic mineral particles of interest are attracted to the hydrophobic collection area or surface.

Synthetic bubbles or beads having hydrophobic surface

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of or coated with a synthetic material such as a polymer that is naturally hydrophobic or a polymer that is hydrophobically modified. The synthetic bead can be made of glass having a coating or polysiloxane. The synthetic beads can be placed in flotation cell containing a mixture of water, collector molecules, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The collector chemical can be xanthates. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

REACTOR SYSTEM FOR SEPARATION AND ENRICHMENT OF MINERALS FROM A SLURRY CONTAINING MINERALS AND OTHER MATERIALS

A reactor system has a number of stations arranged to recover mineral particles in a slurry. The system includes a hopper to receive the slurry and barren media having hydrophobic coating to attract the mineral particles. The hopper provides a mixture of barren media and slurry to a tumbler arranged to stir the mixture in order to increase the contact between the slurry and the barren media so as to allow the mineral particles to attach to the barren media to form mineral laden media. The mineral laden media are conveyed to a rinsing station where water jets are used to wash the gangue materials off the mineral laden media. The rinsed mineral laden media are mixed with a surfactant so that the mineral particles are released from the mineral laden media. High-pressure water and air jets are then used to remove remaining surfactant from the released media. 1. An apparatus comprising:a tumbler comprising a rotating cylinder configured to stir a first mixture comprising engineered collection media and a slurry, the slurry containing mineral particles and unwanted materials, the tumbler having an output arranged to provide a second mixture comprising a reacted slurry and mineral laden media; anda rinsing station comprising a screen separator arranged to receive the second mixture, the rinsing station further comprising one or more spraying nozzles arranged to spray a cleaning liquid onto the second mixture so as to separate the reacted slurry from the mineral laden media, wherein the reacted slurry comprises unwanted materials, wherein the screen separator is arranged to rotate together with the tumbler.2. The apparatus according to claim 1 , wherein the rotating cylinder has an interior surface and a plurality of ribs disposed on the interior surface claim 1 , the ribs arranged to assist stirring of the first mixture.3. The apparatus according to claim 1 , further comprisinga hopper arranged to receive the slurry and the engineered collection media and to provide the ...

TUMBLER CELL FOR MINERAL RECOVERY USING ENGINEERED MEDIA

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping. 1. Apparatus comprising:a container configured to hold a mixture comprising engineered collection media and a slurry containing mineral particles; anda movement mechanism configured to turn the container such that at least part of the mixture in an upper part of the container is caused to interact with at least part of the mixture in a lower part of container so as to enhance a contact between the engineered collection media and the mineral particles in the slurry, wherein the engineered collection media comprise collection surfaces functionalized with a chemical having molecules to attract the mineral particles to the collection surfaces so as to form mineral laden media in the mixture in said contact.2. The apparatus according to claim 1 , wherein the movement mechanism is configured to rotate the container along a horizontal axis.3. The apparatus according to claim 1 , wherein the container comprises a first input configured to receive the engineered collection media and a second input configured to receive the slurry.4. The apparatus according to claim 3 , wherein the container further ...

METHOD FOR SEPARATING INDIVIDUAL CATHODE-ACTIVE MATERIALS FROM LI-ION BATTERIES

Method of separating individual cathode active materials from a mixture of cathode active materials by froth flotation has been developed. They are based on using appropriate chemical reagents that selectively hydrophobize individual cathode active materials to be recovered, so that they can be collected by air bubbles used in flotation and separated from other mixtures. The chemical reagents are amphiphilic molecules with specialized head groups have a strong affinity to metal elements on surfaces of cathode materials. This method enables a separation of individual cathode active material from a mixture of cathode active materials. 1. A method of processing lithium-ion batteries comprising:forming a cathode composite slurry comprising a liquid and 1-20 wt % of two or more cathode materials;modifying at least one of the two or more cathode materials to be hydrophobic;adding a frother chemical to the cathode composite slurry;aerating the cathode composite slurry, forming a froth and a tailing;separating the froth; anddrying the froth to collect a first cathode material of the two or more cathode materials.2. The method of claim 1 , wherein the cathode composite slurry has a pH of 7-12.3. The method of claim 1 , wherein modifying at least one of the two or more cathode materials comprises interaction of the at least one of the two or more cathode materials with a collector chemical.4. The method of claim 1 , wherein the collector chemical is a chelating agent.5. The method of claim 3 , wherein the chelating agent is selected from the group consisting of N—O claim 3 , O—O claim 3 , S—N claim 3 , S—S claim 3 , and N—N.6. The method of claim 1 , wherein aerating comprises forming air bubbles with diameters less than 1 mm.7. The method of claim 1 , wherein aerating comprises bubbling inert gas or air at a rate of 1-5 liters per minute per 1 liter of cathode composite slurry for 5 to 20 minutes.8. The method of wherein the frother comprises methyl isobutyl carbinol (MIBC) ...

POLYMER COATING FOR SELECTIVE SEPARATION OF HYDROPHOBIC PARTICLES IN AQUEOUS SLURRY

A substrate for use in an aqueous slurry has a polymeric coating to provide a compliant and sticky surface. The polymer coating has a chemical to render the surface hydrophobic so as to attract hydrophobic or hydrophobized mineral particles in the slurry. The surface has a surface roughness structure in the nano-scale to micro-scale range. The substrate can take the form of a conveyor belt, a bead, a mesh, an impeller, a filter or a flat surface. The substrate can also be an open-cell foam. The polymeric coating can be modified with tackifiers; plasticizers; crosslinking agents; chain transfer agents; chain extenders; adhesion promoters; aryl or alky copolymers; fluorinated copolymers and/or additives; hydrophobicizing agents such as hexamethyldisilazane; inorganic particles such as silica, hydrophobic silica, and/or fumed hydrophobic silica; MQ resin; and/or other additives to control and modify the properties of the polymer. 1. An apparatus comprising:a substrate arranged to contact an aqueous slurry, the aqueous slurry containing minerals and unwanted materials, the minerals comprising hydrophobic or hydrophobized mineral particles; anda polymeric coating disposed on the substrate, the polymeric coating comprising a compliant and tacky surface having a surface roughness structure with a scale range between 1 nanometer to 10 micrometer, the polymer coating further comprising a chemical to render the compliant and tacky surface hydrophobic so as to attract the hydrophobic or hydrophobized mineral particles.2. The apparatus according to claim 1 , wherein the polymeric coating is formed from a polymer selected from the group consisting of silicone; acrylics; butyl rubber; ethylene vinyl acetate; natural rubber; nitriles; styrene block copolymers with ethylene claim 1 , propylene claim 1 , and/or isoprene; polyurethanes; and polyvinyl ethers.3. The apparatus according to claim 1 , wherein the chemical comprises a siloxane derivative.4. The apparatus according to claim ...

PROCESS TO TREAT METAL OR MINERAL ORES AND COLLECTOR COMPOSITION THEREFOR

A collector composition and process to treat ores with a collector composition that comprises a nitrile group-containing compound of the formula (I) 2. Process of wherein R′═O or N—R″ claim 1 , and the sum of m claim 1 , j and x is from 0 to 10.3. Process of wherein the sum of m claim 1 , j and x is from 0 to 5.4. Process of wherein the nitrile-containing compound is of the formula R(R″)—N—(CHCN) claim 1 , whereinR is a saturated or unsaturated, linear or branched, hydrocarbon group containing 8 to 26 carbon atoms,R″ is a saturated or unsaturated, linear or branched, hydrocarbon group containing 1 to 26 carbon atoms or a hydrogen atom,z is 1 or 2,y is 0 or 1,the sum of z+y=2 or 3, andn is an integer of from 1 to 5.5. Process of wherein R and R″ each independently are an alkyl group or alkenyl group with 1 to 3 unsaturated bonds.6. Process of wherein R and R″ each independently are a linear alkyl or alkenyl group.7. Process of wherein the metal or mineral ore is a metallic sulfide ore containing copper claim 1 , gold claim 1 , platinum claim 1 , silver claim 1 , nickel claim 1 , molybdenum claim 1 , arsenic sulfides claim 1 , cobalt claim 1 , zinc claim 1 , lead claim 1 , tin claim 1 , antimony claim 1 , copper claim 1 , gold claim 1 , platinum claim 1 , or silver.8. Process of wherein the collector composition further comprises at least one of a collector selected from the group of nitrile claim 1 , xanthate claim 1 , dithiophosphate claim 1 , thionocarbamate claim 1 , thiocarbamate claim 1 , mercaptobenzylthiazole claim 1 , monothiophosphate and dithiophosphinates and hydroximate collectors claim 1 , or a frother selected from the group of phenols claim 1 , alkyl sulfates claim 1 , aliphatic alcohols claim 1 , C5-C8 cyclic alcohols claim 1 , alkoxyalkanes claim 1 , polypropylene glycol ethers claim 1 , polyglycol ethers claim 1 , polyglycol glycerol ethers claim 1 , pyridine base claim 1 , natural oils claim 1 , terpineol and cresols claim 1 , mixed ethers claim 1 ...

DIMENSIONALLY CONTROLLED 'ENGINEERED POLYMER BUBBLE' FOR FLOTATION SEPARATION

Apparatus is provided featuring a first and second cells. The first cell receives an ore slurry having mineral particles of interest, receives unexpanded polymer microspheres comprising a surface having mineral collector chemistry attached thereto with molecules for attaching the mineral particles of interest, causes the unexpanded polymer microspheres to expand substantially in volume into expanded polymer microspheres having a substantially increased sphere surface area, and provides an expanded polymer microsphere foam layer comprising the expanded polymer microspheres with attached mineral particles of interest. The second cell receives the expanded polymer microsphere foam layer, and causes the expanded polymer microspheres to collapse substantially in volume into collapsed polymer microspheres having a substantially reduced sphere surface area that results in a mechanical shearing off of the attached mineral particles of interest. The second cell may also provide a mineral concentrate output having the mineral particles of interest. 1. Apparatus comprising:a first cell configured to receive an ore slurry having mineral particles of interest, to receive unexpanded polymer microspheres comprising a surface having mineral collector chemistry attached thereto with molecules for attaching the mineral particles of interest, to cause the unexpanded polymer microspheres to expand substantially in volume into expanded polymer microspheres having a substantially increased sphere surface area, and to provide an expanded polymer microsphere foam layer comprising the expanded polymer microspheres with attached mineral particles of interest; anda second cell configured to receive the expanded polymer microsphere foam layer, and to cause the expanded polymer microspheres to collapse substantially in volume into collapsed polymer microspheres having a substantially reduced sphere surface area that results in a mechanical shearing off of the attached mineral particles of ...

Mineral processing plant

A modified selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading stage, a second loop with the filtering stage. The loading stage has a loading mixer and a loading washing screen. The stripping stage has a stripping mixer and a stripping washing screen. The loading mixer receives the slurry and causes barren media in the circuit to contact with the slurry so that the mineral particles in the slurry are loaded onto the barren media. The media is directed to the stripping stage where the mineral particles are removed from the media. The barren media is recycled to the loading stage. The stripping solution recovered from the filtering stage is returned to the stripping stage and the mineral particles are discharged as concentrate.

Tumbler cell for mineral recovery using engineered media

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping.

Collectors for mineral flotation

The invention provides methods and compositions for improving a froth flotation type separation. The method uses a microemulsion to improve the effectiveness of a collector. The improvement allows for low dosages of collector to work as well as much greater amounts of non-microemulsified collector.

METHOD FOR THE BENIFICIATION OF COAL

The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a mixture of fatty acids and rosin acids (and/or certain derivatives of fatty acids and rosin acids) as a collector. 1. A froth flotation process , comprising: a fatty acid component comprising fatty acids, fatty acid derivatives, or a mixture thereof,', 'a rosin acid component comprising rosin acids, rosin acid derivatives, or a mixture thereof, and', 'at least 5 wt % of a non-saponifiable component, based on the combined weight of the fatty acid component, the rosin acid component, and the non-saponifiable component;, 'combining a collector and an aqueous slurry to produce a treated mixture, wherein the aqueous slurry comprises particles, and wherein the collector comprisesaerating the treated mixture to produce an aerated mixture, wherein the treated mixture is substantially free of fuel oil when the treated mixture is aerated; andrecovering a beneficiated product from the aerated mixture.2. The process of claim 1 , wherein the collector comprises at least 5 wt % to about 25 wt % of the non-saponifiable component claim 1 , based on the combined weight of the fatty acid component claim 1 , the rosin acid component claim 1 , and the non-saponifiable component.3. The process of claim 1 , wherein the collector comprises at least 8 wt% to about 25 wt % of the non-saponifiable component claim 1 , based on the combined weight of the fatty acid component claim 1 , the rosin acid component claim 1 , and the non-saponifiable component.4. The process of claim 1 , wherein the particles comprise coal particles and ash particles.5. The process of claim 4 , wherein the beneficiated product comprises at least a portion of the coal particles claim 4 , and wherein the beneficiated product has a reduced concentration of the ash particles relative to the coal particles as compared to the particles in the aqueous ...

MINERAL PROCESSING

According to the invention there is provided a method of processing a mixture of minerals including the steps of: 163-. (canceled)64. A method of processing a mixture of minerals including the steps of:(a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals;(b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and(c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.65. A method according to in which the metal containing mineral contains copper.68. A method according to in which the mineral binding moiety is a thionocarbamate claim 67 , thiourea claim 67 , thiol claim 67 , thiocycloalkane claim 67 , thiophosphate or xanthogen formate containing functional group.74. A method according to in which the polymer formed by polymerising the polymeric precursor encapsulates the mineral binding moiety.75. A method according to in which the polymer formed by polymerising the polymeric precursor is a homopolymer.76. A method according to in which the polymer is a copolymer produced by copolymerising the polymeric precursor with one or more other polymeric precursors and/or with a cross-linker.77. A method according to in which the polymeric material includes a methacrylate polymer.78. A method according to in which the polymeric material includes a silane polymer.79. A method according to in which the polymeric material includes a polymeric substrate having a surface which has the mineral binding moiety attached thereto.80. A method according to in which the polymeric material includes polymeric chains which are grafted onto the surface of the polymeric substrate claim 79 , wherein the polymeric chains include the mineral binding moiety.81. A method according to in which the polymeric substrate is an epoxide or a diisocyanate having the ...

METHOD AND SYSTEM FOR RELEASING MINERAL FROM SYNTHETIC BUBBLES AND BEADS

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attaching mineral particles to the surface in a separation process. The synthetic beads can be placed in flotation cell containing a mixture of water, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment. 1. A method comprising:receiving in a processor a plurality of synthetic beads carrying mineral particles, each of the synthetic beads comprising a surface and a plurality of molecules attached to the surface, the molecules comprising a functional group configured for attracting one or more of the mineral particles to the molecules, causing the mineral particles to form a chemical bond with the functional group for attaching to the surface of the synthetic beads; andinterrupting the chemical bond of the functional group so as to remove the mineral particles from the synthetic beads.2. The method according to claim 1 , wherein the synthetic beads carrying the mineral particles are received in a mixture having a first temperature claim 1 , wherein said interrupting comprises causing the synthetic beads carrying the mineral particles to contact with a medium having a second temperature higher than the first temperature.3. The method according to claim 1 , wherein the synthetic beads carrying the mineral particles are caused to contact with a liquid claim 1 , and wherein said interrupting comprises applying a sonic agitation to the liquid for causing the mineral particles to separate from the synthetic beads.4. ...

PROCESS CONFIGURATIONS TO PREVENT EXCESS RE-GRINDING OF SCAVENGERING CONCENTRATES

A system includes a collection processor configured to receive tailings of a flotation process, the tailings having mineral particles of interest; and at least one collection apparatus located in the collection processor. The collection apparatus has a collection surface configured with a functionalized polymer having molecules with a functional group that attract the mineral particles of interest to the collection surface. The flotation process has scavenger circuits that provide scavenger circuit feeds having scavenger tails. The system features enhanced scavenger circuits having the collection apparatus located in the collection processor and configured to receive the scavenger circuit feeds and provide enhanced scavenger circuit feeds having enhanced scavenger tails and enhanced scavenger concentrate for further processing by the system. 1. A system having a collection processor configured to receive tailings of a flotation process , the tailings having mineral particles of interest; and at least one collection apparatus located in the collection processor , the collection apparatus having a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface , the flotation process having one or more scavenger circuits configured to provide one or more scavenger circuit feeds having scavenger tails ,wherein the system comprises one or more enhanced scavenger circuits having the at least one collection apparatus located in the collection processor and being configured to receive the one or more scavenger circuit feeds and provide enhanced scavenger circuit feeds having a first enhanced scavenger circuit feed with enhanced scavenger tails and a second enhanced scavenger circuit feed with enhanced scavenger concentrate for further processing by the system, based upon the at least one collection apparatus located in the collection ...

CHARGED ENGINEERED POLYMER BEADS/BUBBLES FUNCTIONALIZED WITH MOLECULES FOR ATTRACTING AND ATTACHING TO MINERAL PARTICLES OF INTEREST FOR FLOTATION SEPARATION

Apparatus is providing featuring a synthetic bead having a solid-phase body with a surface, and being configured with a predetermined electric charge so as to respond to a corresponding predetermined electric field; and a plurality of molecules attached to at least part of the surface, the molecules comprising a functional group selected for attracting and attaching one or more mineral particles of interest to the molecules. Some combination of the solid-phase body or the surface may be configured from a polymer. The polymer may be polyethylenimine. The polyethylenimine may be engineered or configured to be highly charged so as to be used to collect the mineral particles of interest and then manipulated through and by the corresponding predetermined electric field. 1. Apparatus comprising:a synthetic bead having a solid-phase body with a surface, and being configured with a predetermined electric charge so as to respond to a corresponding predetermined electric field; anda plurality of molecules attached to at least part of the surface, the molecules comprising a functional group selected for attracting and attaching one or more mineral particles of interest to the molecules.2. The apparatus according to claim 1 , wherein some combination of the solid-phase body or the surface is configured from a polymer.3. The apparatus according to claim 2 , wherein the polymer is polyethylenimine.4. The apparatus according to claim 3 , wherein the polyethylenimine is engineered or configured to be highly charged so as to be used to collect the mineral particles of interest and then manipulated through and by the corresponding predetermined electric field.5. The apparatus according to claim 1 , wherein the apparatus comprises a flotation tank configured between a top charged metal plate having a first polarity and a bottom charged metal plate having a second polarity opposite to the first polarity claim 1 , and also configured to be filled with and contain a solution or slurry ...

METHOD AND SYSTEM FOR FLOTATION SEPARATION IN A MAGNETICALLY CONTROLLABLE AND STEERABLE MEDIUM

The present invention provides new techniques related to magnetically controllable and/or steerable froth for use in separation processes of mineral-bearing ore and bitumen. Apparatus is provided featuring a processor configured to contain a fluidic medium having a material-of-interest and also having a surfactant with magnetic properties so as to cause the formation of a froth layer that contains at least some of the material-of-interest and is magnetically responsive; and a magnetic field generator configured to generate a magnetic field and provide non-mechanical mixing and steering/driving of the froth layer in the processor. The material-of-interest may be mineral-bearing ore particles or bitumen. The processor includes a flotation tank, a primary separation vessel (PSV), or a pipe, including a tailings pipeline. The pipe has a non-magnetic pipe section, and the magnetic field generator includes a magnetic coil arranged in relation to non-magnetic pipe section to generate the magnetic field and provide the non-mechanical mixing and steering/driving of the froth layer in the pipe. 142-. (canceled)43. Apparatus comprising:a surfactant with magnetic properties;a processor configured to contain a fluidic medium having a material-of-interest and also having the surfactant with magnetic properties so as to cause the formation of a froth layer that contains at least some of the material-of-interest and is magnetically responsive; anda magnetic field generator configured to generate a magnetic field and provide non-mechanical mixing and steering/driving of the froth layer in the processor.44. Apparatus according to claim 43 , wherein the material-of-interest is mineral-bearing ore particles.45. Apparatus according to claim 43 , wherein the material-of-interest is bitumen.46. Apparatus according to claim 43 , wherein the processor comprises a flotation tank or a primary separation vessel (PSV).47. Apparatus according to claim 43 , wherein the processor comprises a pipe ...

MINERAL SEPARATION USING SIZED-, WEIGHT- OR MAGNETIC-BASED POLYMER BUBBLES OR BEADS

Apparatus for use in, or forming part of, a separation process to be implemented in separation processor technology, the apparatus comprising synthetic bubbles or beads configured with a polymer or polymer-based material functionalized to attach to a valuable material in a mixture so as to form an enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be separated from the mixture based at least partly on a difference in a physical property between the enriched synthetic bubbles or beads having the valuable material attached thereto and the mixture. 131-. (canceled)32. Apparatus for use in , or forming part of , a separation process to be implemented in separation processor technology , the apparatus comprising:synthetic beads, each synthetic bead having body made of a synthetic material, the synthetic material comprising a polymer or polymer-based material, the body having a surface configured with a hydrophobic silicone polymer different from said synthetic material, said synthetic beads functionalized to attach to a valuable material in a mixture having water so as to form an enriched synthetic beads having the valuable material attached thereto, and also configured to be separated from the mixture based at least partly on a difference in a physical property between the enriched synthetic beads having the valuable material attached thereto and the mixture, wherein the valuable material comprises mineral particles.33. Apparatus according to claim 32 , wherein the synthetic beads are configured to be separated from the mixture based at least partly on the difference between the size of the enriched synthetic beads having the valuable material attached thereto in relation to the size of unwanted material in the mixture.34. Apparatus according to claim 32 , wherein the synthetic beads are configured to be separated from the mixture based at least partly on the difference between the weight of the enriched synthetic ...

METHOD AND SYSTEM FOR RELEASING MINERAL FROM SYNTHETIC BUBBLES AND BEADS

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of a synthetic material such as polymer and the synthetic material is functionalized with molecules having a functional group for attaching mineral particles to the surface in a separation process. The synthetic beads can be placed in flotation cell containing a mixture of water, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment. 138-. (canceled)39. An apparatus comprising:a plurality of synthetic beads carrying mineral particles, each of the synthetic beads comprising a surface made of a synthetic material and a plurality of molecules attached to the surface, the molecules comprising a functional group having a chemical bond for attracting one or more of the mineral particles to the molecules so as to cause the mineral particles to attach to synthetic beads, the surface comprising a coating attached thereto to provide the plurality of molecules, the coating being made of a coating material different from the synthetic material, the coating material comprising a hydrophobic chemical selected from the group consisting of polysiloxanates, poly(dimethylsiloxane) and fluoroalkysilane; anda releasing apparatus configured to interrupt the chemical bond of the functional group so as to remove the mineral particles from the synthetic beads.40. The apparatus according to claim 39 , wherein the synthetic beads carrying the mineral particles are received in a mixture having a first temperature claim 39 , wherein said release apparatus is configured to cause the synthetic beads carrying the mineral particles to contact with a medium having a ...

HIGH INTENSITY CONDITIONING PRIOR TO ENHANCED MINERAL SEPARATION PROCESS

A system for separating mineral particles of interest from an ore features mineral processing operations/stages/circuits configured to receive an ore, or mineral particles or concentrates formed by processing the ore, and provide processed mineral particles or concentrates, or a waste stream, for further enhanced mineral separation downstream processing; an enhanced mineral separation processor having a collection apparatus located therein, the collection apparatus having a collection surface configured with a functionalized polymer including molecules having a functional group configured to attract the mineral particles of interest to the collection surface, the enhanced mineral separation processor receive the processed mineral particles or concentrates, or the waste stream, and provide further enhanced downstream processed mineral particles or concentrates, or a further enhanced downstream processed waste stream; and a high intensity conditioning operation, stage or circuit configured to apply a high intensity form of energy to the processed mineral particles or concentrates, or the waste stream, prior to further enhanced mineral separation downstream processing by the enhanced mineral separation processor. 1. A system for separating mineral particles of interest from an ore , comprising:mineral processing operations, stages or circuits configured to receive an ore, or mineral particles or concentrates formed by processing the ore, and provide processed mineral particles or concentrates, or a waste stream, for further enhanced mineral separation downstream processing;an enhanced mineral separation processor having at least one collection apparatus located therein, the at least one collection apparatus having a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface, the enhanced mineral separation processor configured ...

Composition For Dressing Phosphate Ore

The invention relates to a flotation agent for phosphate ore, comprising at least one fatty acid and at least one sarcosinate of the formula (I) 2. The flotation agent as claimed in claim 1 , wherein the fatty acid has from 8 to 26 carbon atoms.3. The flotation agent as claimed in claim 1 , wherein R is a Cto Cresidue.4. (canceled)5. A process for flotating a phosphate ore claim 1 , the process comprising the step of adding from 100 to 1000 g/t of the flotation agent as claimed in to an aqueous suspension of the phosphate ore to form a mixture claim 1 , and subsequently aerating the mixture.6. The flotation agent as claimed in claim 2 , wherein R is a Cto Cresidue.7. A process for flotating a phosphate ore claim 2 , the process comprising the step of adding from 100 to 1000 g/t of the flotation agent as claimed in to an aqueous suspension of the phosphate ore to form a mixture claim 2 , and subsequently aerating the mixture.8. A process for flotating a phosphate ore claim 3 , the process comprising the step of adding from 100 to 1000 g/t of the flotation agent as claimed in to an aqueous suspension of the phosphate ore to form a mixture claim 3 , and subsequently aerating the mixture. This invention relates to the separation of phosphorus minerals such as apatite, phosphorite, francolite and the like by means of flotation from crude ores or preconcentrates using fatty acids as collecting agents and sarcosinates as co-collector.Phosphorus minerals are found usually together with worthless gangue minerals, for example silicate minerals and carbonate minerals, such as calcite. The separation of the gangue minerals from phosphorous minerals is effected by flotation. Flotation usually requires a collector to be present.According to Winnacker and Kuchler: Chemische Technologie [Chemical Technology], volume 4 (Metalle [Metals]), 4edition, Carl Hanser Verlag Munich, Vienna, 1986, page 66, collecting agents are organic-chemical compounds which, in addition to one or more non ...

RECOVERY MEDIA FOR MINERAL PROCESSING, USING OPEN CELL OR RETICULATED FOAM HAVING 3-DIMENSIONAL FUNCTIONALIZED OPEN-NETWORK STRUCTURE FOR SELECTIVE SEPARATION OF MINERAL PARTICLES IN AN AQUEOUS SYSTEM

An engineered collection medium for use in mineral separation is described. The engineered collection medium has a solid phase body configured with a three-dimensional open-cell structure like foam or sponge to provide collection surfaces. The surfaces are functionalized with a hydrophobic chemical having molecules with a functional group for attaching mineral particles to the collection surfaces. The engineered collection medium can be a foam block, a filter or conveyor belt to be placed in a slurry to collect mineral particles in the slurry. The engineered collection medium carrying the mineral particles is provided to a release apparatus where the mineral particles can be released by using mechanical agitation, sonic agitation and so forth. 1. An engineered collection medium , comprisinga solid-phase body configured with a three-dimensional open-cell structure to provide a plurality of collection surfaces; anda plurality of molecules provided on the collection surfaces, the molecules comprising a functional group having a chemical bond for attracting one or more mineral particles in an aqueous mixture to the molecules, causing the mineral particles to attached to the collection surfaces.2. The engineered collection medium according to claim 1 , further comprising a coating configured with a hydrophobic chemical selected from a group consisting of polysiloxanates claim 1 , poly(dimethylsiloxane) claim 1 , fluoroalkylsilane and/or pressure sensitive adhesives with low surface energy to provide the molecules.3. The engineered collection medium according to claim 2 , wherein the solid phase body is made from a material selected from polyurethane claim 2 , polyester urethane claim 2 , polyether urethane claim 2 , reinforced urethanes claim 2 , PVC coated PV claim 2 , silicone claim 2 , polychloroprene claim 2 , polyisocyanurate claim 2 , polystyrene claim 2 , polyolefin claim 2 , polyvinylchloride claim 2 , epoxy claim 2 , latex claim 2 , fluoropolymer claim 2 , ...

HYBRID - FLOTATION RECOVERY OF MINERAL BEARING ORES

A flotation tank has an input to receive a slurry from a pipeline section. The slurry contains finer mineral particles and coarser mineral particles. The pipeline section has one or more loops or coiled sections arranged to perform partial centrifugal separation on the finer and coarser mineral particles. As the mineral particles are moved tangentially into the lower part of the flotation tank, the coarser mineral particles tend to be near the tank wall while the finer mineral particles tend to move into the central part of the tank. Air bubbles or lightweight synthetic bubbles are used to collect and lift the finer mineral particles to the upper part of the tank. The coarser mineral particles are recovered by using collection surfaces coated with a hydrophobic material. 1. An apparatus , comprisinga flotation tank having an input arranged to receive a slurry, the slurry comprises finer mineral particles and coarser mineral particles;a plurality of bubbles arranged to attract the finer mineral particles for providing enriched bubbles having finer mineral particles attached thereon; andone or more collection surfaces, the collection surfaces functionalized to be hydrophobic to attract the coarser mineral particles, wherein the flotation tank comprises a tank wall and an interior periphery volume near the tank wall, and the plurality of collection surfaces are disposed in the interior periphery volume to attract the coarser mineral particles.2. The apparatus according to claim 1 , wherein the flotation tank comprises a lower part and an upper part claim 1 , wherein the input is located in the lower part of the flotation tank and arranged to receive the slurry tangentially to the tank wall claim 1 , said apparatus further comprisinga conduit loop having a first conduit end and a second conduit end, the first conduit end arranged to receive the slurry and the second conduit end arranged to provide the slurry to the input of the flotation tank.3. The apparatus according ...

CLASSIFICATION PARTICLE SIZE DISTRIBUTION MODIFICATION TECHNIQUE BASED ON HYDROPHOBIC MEDIA FOR ENHANCED FLUIDIZED BED FLOTATION SEPARATION

Apparatus is provided for mineral separation, featuring a mixer configured to mix a mineral bearing ore feed and hydrophobic media particles, the mineral bearing ore feed being crushed and ground and having an ore particle size distribution characterized by about 50% or more of particles at a size of about 150 μm or less with finer particulates and mid-range particles, the hydrophobic polymer based particles having a media size of about 300 μm or more and being configured to collect the finer particulates and mid-range particles in the mineral bearing ore through hydrophobic attraction, and provide a modified feed having loaded “coarse particles” loaded with the finer particulates and mid-range particles attached thereto for further processing. 125-. (canceled)26. Apparatus for mineral separation , comprising:a mixer configured to mix a mineral bearing ore feed and hydrophobic media particles, the mineral bearing ore feed being crushed and ground and having an ore particle size distribution characterized by about 50% or more of particles at a size of about 150 μm or less with finer particulates and mid-range particles, the hydrophobic media particles having a media size of about 300 μm or more and being configured to collect the finer particulates and mid-range particles in the mineral bearing ore through hydrophobic attraction, andprovide a modified feed having loaded coarse particles with the finer particulates and mid-range particles attached thereto for further processing.27. Apparatus according to claim 26 , wherein the apparatus comprises a fluidized bed separator configured to receive the modified feed claim 26 , and provide a fluidized bed separator output having recovered coarse particles.28. Apparatus according to claim 26 , wherein the hydrophobic media particles are hydrophobic polymer based particles.29. Apparatus according to claim 26 , wherein the hydrophobic media particles are in a range of about 300-400 μm that acts a core/carrier with smaller ...

COMBINATION OF CARRIER-MAGNETIC-SEPARATION AND A FURTHER SEPARATION FOR MINERAL PROCESSING

The present invention relates to a process for concentrating desired particles comprising a carrier-magnetic-separation comprising the following steps a) providing a feedstock which contains the desired particles and an undesired material; b) adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the desired particles or of the magnetic particles and the undesired material; c) separating the agglomerates from the loaded feedstock by a separation method which results in isolated agglomerates, where the separation method is selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration, and flotation; d) breaking up the isolated agglomerates to obtain a suspension comprising the magnetic particles in desagglomerated form; and e) separating the magnetic particles from the suspension obtained in step d) by a separation method selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration, and flotation. 118-. (canceled)19. A process for concentrating desired particles comprising a carrier-magnetic-separation comprising the following steps ,a) providing a feedstock which contains the desired particles and an undesired material;b) adding hydrophobic magnetic particles to the feedstock which results in a loaded feedstock containing agglomerates of the magnetic particles and the desired particles or of the magnetic particles and the undesired material;c) separating the agglomerates from the loaded feedstock by a separation method which results in isolated agglomerates, where the separation method is selected from sorting, electric separation, magnetic separation, screening, classification, gravity concentration, and flotation;d) breaking up the isolated agglomerates to obtain a suspension comprising the magnetic particles in desagglomerated form; ande) separating the magnetic particles ...

MINERAL BENEFICIATION UTILIZING ENGINEERED MATERIALS FOR MINERAL SEPARATION AND COARSE PARTICLE RECOVERY

A selective recirculation circuit has a loading stage, a stripping stage and a filtering stage for use in processing a feed stream or slurry containing mineral particles. The stripping stage forms a first loop with the loading stage, and a second loop with the filtering stage. The loading stage has a loading mixer and a loading washing screen. The stripping stage has a stripping mixer and a stripping washing screen. The loading mixer receives the slurry and causes barren media in the circuit to contact with the slurry so that the mineral particles in the slurry are loaded onto the barren media. The media is directed to the stripping stage where the mineral particles are removed from the media. The barren media is recycled to the loading stage. The stripping solution recovered from the filtering stage is returned to the stripping stage and the mineral particles are discharged as concentrate. 1. Apparatus comprising:a loading stage configured to receive barren media and a slurry containing mineral particles and to load the barren media with the mineral particles for providing loaded media;a stripping stage configured to strip the loaded media with a stripping solution into a first portion comprising the barren media and a second portion containing the mineral particles and the stripping solution; anda filtering stage configured to separate the mineral particles from the stripping solution in the second portion.2. The apparatus according to claim 1 , wherein the barren media comprises engineered material having molecules with a functional group configured to attract the mineral particles to the engineered material.3. The apparatus according to claim 2 , wherein the engineered material comprises synthetic bubbles and beads having a surface to provide the molecules.4. The apparatus according to claim 3 , wherein the synthetic bubbles and beads are made of a hydrophobic material having the molecules.5. The apparatus according to claim 3 , wherein the surface of the ...

UTILIZING ENGINEERED MEDIA FOR RECOVERY OF MINERALS IN TAILINGS STREAM AT THE END OF A FLOTATION SEPARATION PROCESS

Apparatus uses engineered collection media to recover mineral particles in a mineral extraction process, e.g., for processing a tailings stream at the end of a flotation separation process. The engineered collection media are added to slurry/tailings containing the mineral particles. The engineered collection media have collection surfaces coated with a chemical selected for attracting the mineral particles to the collection surfaces so the engineered collection media becomes mineral laden media in the slurry/tailings in a loading stage. The apparatus include three stages: removing unwanted material from mineral laden media; using a stripping agent to strip the mineral particles from the mineral laden media; and separating the engineered collection media from the mineral particles and the stripping agent. The stripping agent is reused for stripping, and the engineered collection media are returned to the loading stage. The engineered collection media can have a smooth or foam-like surface. 1. Apparatus comprising:a first separation device configured to receive a first mixture containing mineral laden media and unwanted material, the first separation device further configured to separate the mineral laden media from the unwanted material in the first mixture, the mineral laden media comprising engineered collection media with a collection surface having mineral particles attached thereto;a stripping device configured to receive from the first separation device the mineral laden media and to cause the mineral laden media to contact with a stripping agent, the stripping device further configured to cause the mineral particles attached on the collection surface to separate from the engineered collection media;a second separation device configured to receive from the stripping device a second mixture containing the stripping agent, the mineral particles and the engineered collection media, the second separation device further configured to separate the engineered ...

REACTOR SYSTEM FOR SEPARATION AND ENRICHMENT OF MINERALS FROM A SLURRY CONTAINING MINERALS AND OTHER MATERIALS

A reactor system has a number of stations arranged to recover mineral particles in a slurry. The system includes a hopper to receive the slurry and barren media having hydrophobic coating to attract the mineral particles. The hopper provides a mixture of barren media and slurry to a tumbler arranged to stir the mixture in order to increase the contact between the slurry and the barren media so as to allow the mineral particles to attach to the barren media to form mineral laden media. The mineral laden media are conveyed to a rinsing station where water jets are used to wash the gangue materials off the mineral laden media. The rinsed mineral laden media are mixed with a surfactant so that the mineral particles are released from the mineral laden media. High-pressure water and air jets are then used to remove remaining surfactant from the released media. 1. An apparatus comprising:a tumbler configured to stir a first mixture comprising engineered collection media and a slurry, the slurry containing mineral particles and unwanted materials, the tumbler having an output arranged to provide a second mixture comprising a reacted slurry and mineral laden media; anda rinsing station comprising a screen separator arranged to receive the second mixture, the rinsing station further comprising one or more spraying nozzles arranged to spray a cleaning liquid onto the second mixture so as to separate the reacted slurry from the mineral laden media, wherein the reacted slurry comprises unwanted materials.2. The apparatus according to claim 1 , wherein the tumbler has an interior surface and a plurality of ribs disposed on the interior surface claim 1 , the ribs arranged to assist stirring of the first mixture.3. The apparatus according to claim 1 , further comprisinga hopper arranged to receive the slurry and the engineered collection media and to provide the first mixture to the tumbler.4. The apparatus according to claim 1 , further comprisingan enhancer device, the enhancer ...

NON-FLOTATION BASED RECOVERY OF MINERAL BEARING ORE USING HYDROPHOBIC PARTICLE COLLECTION IN A PIPELINE SECTION

Apparatus uses hydrophobic synthetic beads to recover mineral particles in a slurry. The synthetic beads and the slurry are mixed into a mixture for processing. The apparatus has an interaction vessel installed in a section of pipeline. The interaction vessel is made from a pipeline folded or coiled into a compact struction having a continuous flow path. The interaction vessel has an input to receive the mixture of slurry and synthetic beads. The folded or coiled structure is used to increase the residence time of the mixture in the flow path, allowing more time for the mineral particles in the slurry to attach to the surface of the synthetic bead, while maintaining a small footprint. The interaction vessel may be formed from a number of loops of pipe section. The interaction vessel may be formed from one or more folded structures. 1. An apparatus , comprising:a fluid conduit arranged to receive a mixture of slurry and a plurality of synthetic beads, the slurry comprising mineral particles and undesirable ore material, the fluid conduit also arranged to discharge enriched synthetic beads having mineral particles attached thereon, the synthetic beads having a surface functionalized with a hydrophobic material, wherein at least part of the fluid conduit is shaped into an interaction vessel, the interaction vessel having a first vessel end end and a second vessel end, and wherein a distance between the first vessel end and the second vessel end is at least 6 times smaller than a fluid path in the fluid conduit in the interaction vessel.2. The apparatus according to claim 1 , wherein said part of fluid conduit is coiled into a plurality of loops claim 1 , said plurality of loops comprises n loop claim 1 , with n being a positive number greater 2.3. The apparatus according to claim 2 , wherein n=8 or greater.4. The apparatus according to claim 2 , wherein said plurality of loops comprises continuous loops placed one on top of another.5. The apparatus according to claim 2 ...

Mineral Processing

According to the invention there is provided a method of processing a mixture of minerals including the steps of: 64. A method of processing a mixture of minerals including the steps of:(a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals;(b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and(c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.65. A method according to in which the metal containing mineral contains copper.68. A method according to in which the mineral binding moiety is a thionocarbamate claim 67 , thiourea claim 67 , thiol claim 67 , thiocycloalkane claim 67 , thiophosphate or xanthogen formate containing functional group.74. A method according to in which the polymer formed by polymerising the polymeric precursor encapsulates the mineral binding moiety.75. A method according to in which the polymer formed by polymerising the polymeric precursor is a homopolymer.76. A method according to in which the polymer is a copolymer produced by copolymerising the polymeric precursor with one or more other polymeric precursors and/or with a cross-linker.77. A method according to in which the polymeric material includes a methacrylate polymer.78. A method according to in which the polymeric material includes a silane polymer.79. A method according to in which the polymeric material includes a polymeric substrate having a surface which has the mineral binding moiety attached thereto.80. A method according to in which the polymeric material includes polymeric chains which are grafted onto the surface of the polymeric substrate claim 79 , wherein the polymeric chains include the mineral binding moiety.81. A method according to in which the polymeric substrate is an epoxide or a diisocyanate having the polymeric ...

PEPTIDE BINDING TO ARSENIC-CONTAINING MINERAL AND USE THEREOF

(Technical problems to be solved) Providing a method for selecting minerals containing arsenic (Means for solving the problems) A peptide comprising an amino acids sequence according to the following formula: (TSNQ)-(HPW)-(ED)-(HPWRK)-(LIVFA)-(LIVFA)-(LIVFA)-(TSNQ)-(HPW)-(LIVFA)-(TSNQ)-(LIVFA) wherein one amino acid is respectively selected from each group defined by paired parentheses. 18-. (canceled)9. A peptide comprising an amino acids sequence according to the following formula:{'br': None, '(TSNQ)-(HPW)-(ED)-(HPWRK)-(LIVFA)-(LIVFA)-(LIVFA)-(TSNQ)-(HPW)(LIVFA)-(TSNQ)-(LIVFA)'}wherein one amino acid is respectively selected from each group defined by paired parentheses.10. A peptide comprising a sequence which is at least 95% identical to the following sequence:{'br': None, 'Asn-Pro-Glu-His-Ala-Ala-Phe-Ser-Pro-Val-Thr-Val.'}11. A peptide of comprising a sequence which is at least 100% identical the following sequence:{'br': None, 'Asn-Pro-Glu-His-Ala-Ala-Phe-Ser-Pro-Val-Thr-Val.'}12. A peptide of according to the following sequence:{'br': None, 'Asn-Pro-Glu-His-Ala-Ala-Phe-Ser-Pro-Val-Thr-Val.'}13. A peptide comprising a sequence derived from the following sequence by deleting claim 11 , replacing claim 11 , and/or adding 1-5 amino acid:{'br': None, 'Asn-Pro-Glu-His-Ala-Ala-Phe-Ser-Pro-Val-Thr-Val.'}14. A composition for selecting and/or identifying a mineral containing arsenic claim 9 , the composition comprising the peptide of .15. A microorganism comprising on its surface the peptide of .16. A particle comprising on its surface the peptide of .17. A purification column comprising the peptide of .18. A collector for use of froth flotation comprising the peptide of .19. A depressant for use of froth flotation comprising the peptide of .20. A method for isolating a mineral containing arsenic claim 9 , the method comprising using the peptide of .21. A method for selecting and/or identifying a mineral containing arsenic claim 9 , the method comprising using the ...

ULTRAFLOTATION WITH MAGNETICALLY RESPONSIVE CARRIER PARTICLES

The present invention relates to a process for the separation of at least one hydrophobic or hydrophobized material from a dispersion comprising said at least one hydrophobic or hydrophobized material and at least one second material. The process according to the present invention comprises the steps (A) to (D) which are described herein. 116.-. (canceled)17. A process for the separation of at least one hydrophobic or hydrophobized material from a dispersion comprising said at least one hydrophobic or hydrophobized material and at least one second material , wherein the process comprises the following steps:(A) contacting the dispersion comprising the at least one hydrophobic or hydrophobized material and the at least one second material with at least one hydrophobic or hydrophobized magnetic particle to provide a dispersion I comprising at least one magnetic agglomerate comprising the at least one hydrophobic or hydrophobized material and the at least one hydrophobic or hydrophobized magnetic particle;(B) separating the at least one magnetic agglomerate from the dispersion I of step (A) by subjecting the dispersion I to flotation;(C) disaggregating the at least one magnetic agglomerate of step (B) to obtain a dispersion II containing the at least one hydrophobic or hydrophobized material and the at least one hydrophobic or hydrophobized magnetic particle; and(D) separating the at least one hydrophobic or hydrophobized magnetic particle from dispersion II containing the at least one hydrophobic or hydrophobized material by applying a magnetic field.18. The process according to claim 17 , wherein the at least one hydrophobic or hydrophobized material has been pre-treated with at least one collector or wherein at least one collector is added in step (A) or (B).19. The process according to claim 17 , wherein the dispersion comprising the at least one hydrophobic or hydrophobized material and the at least one second material in step (A) comprises ore-bearing slag and/or ...

CYCLONE UNDERFLOW SCAVENGERING PROCESS USING ENHANCED MINERAL SEPARATION CIRCUITS (EMSC)

A system is provided for processing a circulating load in comminution circuit of a mineral separation process for separating mineral particles of interest from an ore, featuring: a coarse screen and an enhanced mineral separation circuit (EMSC). The coarse screen may be configured to receive a cyclone underflow having mineral particles of interest and forming part of the circulating load of the comminution circuit, and provide coarse screen feeds for further processing. The enhanced mineral separation circuit may include a collection processor configured to receive one of the coarse screen feeds, and may also include at least one collection apparatus located in the collection processor, the at least one collection apparatus having a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface, and provide enhanced mineral separation circuit feeds for further processing in the system. 1. A system for processing a circulating load in comminution circuit of a mineral separation process for separating mineral particles of interest from an ore , comprising:a coarse screen configured to receive a cyclone underflow having mineral particles of interest and forming part of the circulating load of the comminution circuit, and provide coarse screen feeds for further processing; andan enhanced mineral separation circuit having a collection processor configured to receive one of the coarse screen feeds, and at least one collection apparatus located in the collection processor, the at least one collection apparatus having a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface, and provide enhanced mineral separation circuit feeds for further processing in the system.2. A system according to ...

Flotation separation aid useful for collection of mineral ore fines

Embodiments relate to methods for improving the effectiveness of froth flotation separation processes, especially for the mining industry. In particular, a method of improving the removal of a particular material from a comminuted mineral ore by a flotation separation process by the addition of a thermoplastic polymer dispersion.

使用官能化聚合物在尾矿中进行矿物回收

本文公开了一种用于捕集尾矿中的矿物颗粒的设备和方法。所述设备可采用过滤器、传送带、捕集板或叶轮的形式，所述过滤器、传送带、捕集板或叶轮被配置成在将浮选工艺的尾矿排放到尾矿库中之前和/或之后与所述尾矿接触。所述过滤器、传送带、捕集板或叶轮具有由合成材料制成或涂有所述合成材料的捕集区域或表面，所述合成材料具有官能团，所述官能团例如具有吸引所述目标矿物颗粒的电离键。或者，所述合成材料具有使得所述捕集区域具有疏水性的疏水性分子。当将所述尾矿中的所述目标矿物颗粒与捕集剂分子组合时，所述目标矿物颗粒也可能变得具有疏水性。所述疏水性目标矿物颗粒会被吸引到所述疏水性捕集区域或表面上。所述过滤器、传送带、捕集板以及叶轮可具有多个通道或合成珠粒，以便增加接触表面。

Selective Separation for the mineral grain in water system, trepanning or reticulated foam functionalization open network structures

本文描述了一种用于矿物分离的工程化收集介质。工程化收集介质具有固相体，其被配置有诸如泡沫或海绵的三维开孔结构，以提供收集表面。表面用疏水性化学品官能化，该化学品具有带有官能团的分子，用于将矿物颗粒附着到收集表面。工程化收集介质可以是泡沫块、过滤器或传送带，其被放置在浆料中，以收集浆料中的矿物颗粒。将携带矿物颗粒的工程化收集介质提供给释放装置，其中矿物颗粒能够通过使用机械搅动、声波搅动等被释放。

Mineral recovery in tailings using functionalized polymers

An apparatus and method for collecting mineral particles in the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt, a collection plate or an impeller configured to contact with tailings of a flotation process, before and/or after the tailings are discharged into a pond. The filter, conveyor belt, collection plate or impeller has a collection area or surface made of, or coated with, a synthetic material having a functional group, e.g., having an ionizing bond to attract the mineral particles of interest. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles of interest in the tailings are combined with collector molecules, the mineral particles of interest may also become hydrophobic. The hydrophobic mineral particles of interest are attracted to the hydrophobic collection area or surface. The filter, conveyor belt, collection plate and impeller may have a plurality of passage ways or synthetic beads in order to increase the contacting surfaces.

Removal of hydrophobic particles using carbon dioxide

A plurality of collection surfaces for use in an aqueous slurry has a polymeric coating to provide a compliant and sticky surface. The polymer coating has a chemical to render the surface hydrophobic so as to attract hydrophobic or hydrophobized mineral particles in the slurry. The substrate can take the form of a conveyor belt, a bead, a mesh, an impeller, a filter or a flat surface. The substrate can also be an open-cell foam. The collection surfaces having the mineral particles attached thereon are caused to interact with liquid and supercritical carbon dioxide so that the mineral particles can be stripped from the collection surfaces.

Techniques for transporting synthetic beads or bubbles in a flotation cell or column

Apparatus featuring synthetic bubbles or beads and a flotation stage. The synthetic bubbles or beads are configured with a polymer or polymer-based material functionalized to attach to the valuable material in a mixture to form at least some enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be transported through the mixture based at least partly on a characteristic of the synthetic bubbles or beads. The flotation stage has the mixture containing valuable material, and is configured to receive the synthetic bubbles or beads and to provide the at least some enriched synthetic bubbles or beads having the valuable material attached thereto based at least partly the characteristic of the synthetic bubbles or beads.

Techniques for transporting synthetic beads or bubbles in a flotation cell or column

Apparatus featuring synthetic bubbles or beads and a flotation stage. The synthetic bubbles or beads are configured with a polymer or polymer-based material functionalized to attach to the valuable material in a mixture to form at least some enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be transported through the mixture based at least partly on a characteristic of the synthetic bubbles or beads. The flotation stage has the mixture containing valuable material, and is configured to receive the synthetic bubbles or beads and to provide the at least some enriched synthetic bubbles or beads having the valuable material attached thereto based at least partly the characteristic of the synthetic bubbles or beads.

Preparation method and application of magnetic pyrite powder surface super-hydrophobic film

磁黄铁矿粉表面超疏水性薄膜的制备方法及应用，涉及贫细杂难选矿石高效利用领域，将超疏水性磁黄铁矿粉作为载体矿物应用到矿物浮选，并能够解决贫细杂难选矿石目的矿物品位低或微细粒级含量高而引起的资源流失问题。本发明所述的磁黄铁矿粉表面超疏水性薄膜的制备方法由①磁黄铁矿粉末的制备；②磁黄铁矿粉末表面粗糙度的调节；②磁黄铁矿粉表面超疏水性薄膜的制备这三个步骤组成。该方法获得超疏水性磁黄铁矿粉末，其表面接触角大于150度，滚动角小于8度，可将其作为载体矿物应用于贫、细、杂难选矿石的浮选，在不影响浮选过程和精矿产品质量的情况下，可提高目的矿物浮选回收率一个百分点以上，实现贫细杂难选矿石的高效利用。

method and composition to enhance the performance of a collector in a suspension flotation in foam suspension in a medium

a invenção proporciona métodos e composições para melhorar uma separação do tipo flotação em espuma. o método usa uma microemulsão para melhorar a eficácia de um coletor. a melhoria permite, a baixas doses de coletor, trabalhar tão bem como em maiores quantidades de coletor não microemulsionado. the invention provides methods and compositions for improving foam flotation-type separation. the method uses a microemulsion to improve the efficiency of a collector. the improvement allows, at low collector doses, to work as well as in larger quantities of non-microemulsified collector.

FUNCTIONALIZED SYNTHETIC PEARLS / BUBBLES WITH MOLECULES TO ATTRACT AND JOIN MINERAL PARTICLES OF INTEREST

SE REFIERE A UNA PERLA SINTETICA QUE COMPRENDE UN CUERPO DE FASE SOLIDA QUE CONTIENE: A) UN NUCLEO FABRICADO DE UN MATERIAL TAL COMO VIDRIO, CERAMICA, METAL O UN POLIMERO; B) UN RECUBRIMIENTO SOBRE EL NUCLEO PARA PROPORCIONAR LA SUPERFICIE O CARCASA QUE ESTA FABRICADO DE UN MATERIAL SINTETICO TAL COMO POLIAMIDAS, POLIURETANOS, MELAMINA-FORMALDEHIDO, POLIETILENO, ENTRE OTROS, DONDE DICHAS MOLECULAS DEL MATERIAL SINTETICO COMPRENDEN UN GRUPO FUNCIONAL ANIONICO O CATIONICO TAL COMO OXIHIDRILO, SULFATOS, SULFONATOS, ENTRE OTROS, QUE ATRAEN PARTICULAS MINERALES A LAS MOLECULAS Y HACEN QUE LA SUPERFICIE SEA HIDROFOBICA. DICHA PERLA SINTETICA ESTA CONFIGURADA PARA ATRAER LAS PARTICULAS MINERALES EN UNA MEZCLA ACUOSA Y DONDE LA CARCASA COMPRENDE UNA PARTE INTERIOR DISPUESTA PARA ENCAPSULAR UN ELEMENTO GASEOSO, UN LIQUIDO, UNA FASE SOLIDA O UN MATERIAL MAGNETICO DE MODO QUE LA PERLA TENGA UNA DENSIDAD MENOR QUE LA MEZCLA ACUOSA

Process configurations to prevent excess re-grinding of scavengering concentrates

A system includes a collection processor configured to receive tailings of a flotation process, the tailings having mineral particles of interest; and at least one collection apparatus located in the collection processor. The collection apparatus has a collection surface configured with a functionalized polymer having molecules with a functional group that attract the mineral particles of interest to the collection surface. The flotation process has scavenger circuits that provide scavenger circuit feeds having scavenger tails. The system features enhanced scavenger circuits having the collection apparatus located in the collection processor and configured to receive the scavenger circuit feeds and provide enhanced scavenger circuit feeds having enhanced scavenger tails and enhanced scavenger concentrate for further processing by the system.

Synthetic bubbles or beads having hydrophobic surface

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of or coated with a synthetic material such as a polymer that is naturally hydrophobic or a polymer that is hydrophobically modified. The synthetic bead can be made of glass having a coating or polysiloxane. The synthetic beads can be placed in flotation cell containing a mixture of water, collector molecules, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The collector chemical can be xanthates. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

Method for recycling Heavy Metals Contaminated Particles

The present invention relates to a floatation method for recycling of soil contaminated with arsenic. The present invention includes: a step of preparing the soil contaminated with arsenic; a surface grinding step of grinding the surface of the prepared soil; a pulp formation step of forming pulp by suspending the ground soil in a solution; a first floatation step of performing floatation after adding to the pulp a collector for particle surface hydrophobization, an activator for activating an oxidation reaction of the collector, a foaming agent for bubble generation and floating, and a carrier for coagulation and cross-linking of hydrophobic particles; and a secondary floatation step of performing floatation after adding the collector, the activator, the foaming agent, and the carrier to rougher tailings recovered by the first floatation.

Tumbler cell for mineral recovery using engineered media

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping.

Method and system for flotation separation in a magnetically controllable and steerable medium

The present invention provides new techniques related to magnetically controllable and/or steerable froth for use in separation processes of mineral-bearing ore and bitumen. Apparatus is provided featuring a processor configured to contain a fluidic medium having a material-of-interest and also having a surfactant with magnetic properties so as to cause the formation of a froth layer that contains at least some of the material-of-interest and is magnetically responsive; and a magnetic field generator configured to generate a magnetic field and provide non-mechanical mixing and steering/driving of the froth layer in the processor. The material-of-interest may be mineral-bearing ore particles or bitumen. The processor includes a flotation tank, a primary separation vessel (PSV), or a pipe, including a tailings pipeline. The pipe has a non-magnetic pipe section, and the magnetic field generator includes a magnetic coil arranged in relation to non-magnetic pipe section to generate the magnetic field and provide the non-mechanical mixing and steering/driving of the froth layer in the pipe.

Dimensionally controlled ‘engineered polymer bubble’ for flotation separation

Apparatus is provided featuring a first and second cells. The first cell receives an ore slurry having mineral particles of interest, receives unexpanded polymer microspheres comprising a surface having mineral collector chemistry attached thereto with molecules for attaching the mineral particles of interest, causes the unexpanded polymer microspheres to expand substantially in volume into expanded polymer microspheres having a substantially increased sphere surface area, and provides an expanded polymer microsphere foam layer comprising the expanded polymer microspheres with attached mineral particles of interest. The second cell receives the expanded polymer microsphere foam layer, and causes the expanded polymer microspheres to collapse substantially in volume into collapsed polymer microspheres having a substantially reduced sphere surface area that results in a mechanical shearing off of the attached mineral particles of interest. The second cell may also provide a mineral concentrate output having the mineral particles of interest.

Mineral separation using functionalized filters and membranes

Synthetic bubbles or beads having hydrophobic surface

A synthetic bead for use in mineral separation is described. The synthetic bead has a surface made of or coated with a synthetic material such as a polymer that is naturally hydrophobic or a polymer that is hydrophobically modified. The synthetic bead can be made of glass having a coating or polysiloxane. The synthetic beads can be placed in flotation cell containing a mixture of water, collector molecules, valuable material and unwanted material or in a pipeline where the mixture is transported from one location to another. The collector chemical can be xanthates. The enriched synthetic beads carrying the mineral particles are separated from the unwanted materials in the mixture. The mineral particles are then released from the synthetic beads by means of low pH treatment, ultrasonic agitation, thermal or electromagnetic treatment.

Whole-process continuous gas-assisting magnetic separation system

本发明涉及磁分离处理设备技术领域，尤其涉及一种全流程连续化气助磁分离系统，其包括吸附罐，吸附罐连接有萃取塔，萃取塔连接有解吸塔；萃取塔及解吸塔均包括中空的气浮柱。本发明提供的一种全流程连续化气助磁分离系统，将气浮分离技术与磁性载体分离技术相耦合，在装置规模增大后，仍然具有较高的磁分离效果；同时，串联设置的吸附罐、萃取塔和解吸塔分别用于目标物的吸附、洗涤和解吸过程的连续磁分离，结合三个过程本身的连续化实现，最终实现目标分离物全流程的连续化分离。同时，该系统不仅能够实现目标分离物的全流程连续化，而且能够实现磁颗粒载体的全流程连续化和可直接循环利用性。

Cyclone underflow scavengering process using enhanced mineral separation circuits (emsc)

A system is provided for processing a circulating load in comminution circuit of a mineral separation process for separating mineral particles of interest from an ore, featuring: a coarse screen and an enhanced mineral separation circuit (EMSC). The coarse screen may be configured to receive a cyclone underflow having mineral particles of interest and forming part of the circulating load of the comminution circuit, and provide coarse screen feeds for further processing. The enhanced mineral separation circuit may include a collection processor configured to receive one of the coarse screen feeds, and may also include at least one collection apparatus located in the collection processor, the at least one collection apparatus having a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface, and provide enhanced mineral separation circuit feeds for further processing in the system.

Removal of hydrophobic particles using carbon dioxide.

Una pluralidad de superficies de recolección para usarse en una suspensión acuosa tiene un recubrimiento polimérico para proporcionar una superficie compatible y adherente; el recubrimiento de polímero tiene una sustancia química que hace que la superficie sea hidrófoba para atraer partículas minerales hidrófobas o hidrofobizadas en la suspensión; el sustrato puede adoptar la forma de una banda transportadora, una perla, una malla, un impulsor, un filtro o una superficie plana; el sustrato también puede ser una espuma de celdas abiertas; se hace que las superficies de recolección que tienen las partículas minerales unidas sobre ellas interactúen con dióxido de carbono líquido y supercrítico, de modo que las partículas minerales se pueden separar de las superficies de recolección.

Collectors for mineral flotation

The invention provides methods and compositions for improving a froth flotation type separation. The method uses a microemulsion to improve the effectiveness of a collector. The improvement allows for low dosages of collector to work as well as much greater amounts of non-microemulsified collector.

Flotation separation using lightweight synthetic beads or bubbles

Open cell or reticulated foam functionalized open-network structure for selective separation of mineral particles in an aqueous system

An engineered collection medium for use in mineral separation is described. The engineered collection medium has a solid phase body configured with a three- dimensional open-cell structure like foam or sponge to provide collection surfaces. The surfaces are functionalized with a hydrophobic chemical having molecules with a functional group for attaching mineral particles to the collection surfaces. The engineered collection medium can be a foam block, a filter or conveyor belt to be placed in a slurry to collect mineral particles in the slurry. The engineered collection medium carrying the mineral particles is provided to a release apparatus where the mineral particles can be released by using mechanical agitation, sonic agitation and so forth.

Tumbler cell for mineral recovery using engineered media

Apparatus uses engineered collection media to recover mineral particles in a slurry. The apparatus has a tumbler cell and a rotation device to rotate the tumbler cell. The tumbler cell has a container to hold a mixture of the engineered media and the slurry containing the mineral particles. The container is turned such that at least part of the mixture in the upper part of the container is caused to interact with at least part of the mixture in the lower part of the container. As such, the contact between the engineered media and the mineral particles is enhanced. The surfaces of the engineered media are functionalized with a chemical having molecules to attract the mineral particles to the surfaces so as to form mineral laden media. After the mineral laden media are discharged from the tumbler cell, the mineral particles can be separated from the engineered media by stripping.

Processing and filtering waste water - using granulated or ground foamed polyurethane as flotation agent or as filtering auxiliary

Flotation agent consisting of opt. granulated or finely ground foamed polyurethane is used in waste water processing and clarifying and also acts as a filtering auxiliary in waste water filtering. The foamed polyurethane has adsorptive capacity for C cpds. including oils and fats and is capable of transporting all pollutants to water surface. It may be used together with dissociation agent, e.g. acids, Fe2(SO4), Al2(SO4)3 and/or flocculants and/or pH regulators and may be replaced by foamed phenol resin or by foamed polystyrene.

Froth flotation process

Ultraflotation with magnetically responsive carrier particles.

La presente invención se refiere a un proceso para separar por lo menos un material hidrófobo o hidrofobizado de una dispersión que comprende dicho por lo menos un material hidrófobo o hidrofobizado y por lo menos un segundo material. El proceso de acuerdo con la presente invención comprende las etapas (A) a (D) que se describen en la presente.

Open cell or reticulated foam functionalized open-network structure for selective separation of mineral particles in an aqueous system

Mineral processing using a polymeric material that includes a moiety which selectively binds to a mineral

According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.

Removal of hydrophobic particles using carbon dioxide.

UNA PLURALIDAD DE SUPERFICIES DE RECOLECCIÓN PARA SU USO EN UNA SUSPENSIÓN ACUOSA TIENE UN REVESTIMIENTO POLIMÉRICO PARA PROPORCIONAR UNA SUPERFICIE ADHERENTE Y ADHERENTE. EL REVESTIMIENTO DE POLÍMERO TIENE UNA SUSTANCIA QUÍMICA QUE HACE QUE LA SUPERFICIE SEA HIDROFÓBICA PARA ATRAER PARTÍCULAS MINERALES HIDROFÓBICAS O HIDROFOBIZADAS EN LA SUSPENSIÓN. EL SUSTRATO PUEDE TOMAR LA FORMA DE UNA BANDA TRANSPORTADORA, UNA MICROESFERA, UNA MALLA, UN IMPULSOR, UN FILTRO O UNA SUPERFICIE PLANA. EL SUSTRATO TAMBIÉN PUEDE SER UNA ESPUMA DE CÉLULAS ABIERTAS. SE HACE QUE LAS SUPERFICIES DE RECOLECCIÓN QUE TIENEN LAS PARTÍCULAS MINERALES UNIDAS SOBRE ELLAS INTERACTÚEN CON DIÓXIDO DE CARBONO LÍQUIDO Y SUPERCRÍTICO, DE MODO QUE LAS PARTÍCULAS MINERALES SE PUEDEN ELIMINAR DE LAS SUPERFICIES DE RECOLECCIÓN.

Method and apparatus for treating a feed stream for a flotation device

The present invention provides a method and apparatus (1) for treating a feed stream (2) for a flotation device (3) comprising a mechanical agitator (30, 50) in a tank (7), the feed stream (2) comprising solid particles (10). The method comprises generating microbubbles (8) in a dilution water stream (9), mixing the dilution water stream with the feed stream to facilitate attachment of the microbubbles to the solid particles in the feed stream and generate bubbles (22) for attachment to microbubble-attached solid particles, and fluidly connecting the feed stream to the flotation device. The apparatus comprises a feed stream conduit (4) fluidly connected to the flotation device, a dilution water stream conduit (5) fluidly connected to the feed stream conduit for conveying the dilution water stream to the feed stream, and a microbubble generator (6) connected to the dilution water stream conduit for generating microbubbles in the dilution water stream.

Mineral processing using a polymeric material that includes a moiety which selectively binds to a mineral

According to the invention there is provided a method of processing a mixture of minerals including the steps of: (a) providing a mixture of minerals which includes a metal containing mineral and one or more unwanted gangue minerals; (b) achieving a contact between the mixture of minerals and polymeric material that includes a mineral binding moiety which selectively binds to the metal containing mineral; and (c) separating the gangue minerals and the polymeric material which has the metal containing mineral bound thereto.

Collecting agent for mineral floating

本发明提供了用于改进泡沫浮选型分离的方法和组合物。所述方法使用微乳液来改善捕收剂的效力。所述改善使得低剂量的捕收剂能够与量大得多的非微乳化捕收剂一样地起作用。

Mineral separation using sized-, weight-or magnetic-based polymer bubbles or beads

Apparatus for use in, or forming part of, a separation process to be implemented in separation processor technology, the apparatus comprising synthetic bubbles or beads configured with a polymer or polymer-based material functionalized to attach to a valuable material in a mixture so as to form an enriched synthetic bubbles or beads having the valuable material attached thereto, and also configured to be separated from the mixture based at least partly on a difference in a physical property between the enriched synthetic bubbles or beads having the valuable material attached thereto and the mixture.

Mineral separation using functionalized filters and membranes

本文公开了一种用于捕集浆料或尾矿中矿物颗粒的设备。所述设备可以采用过滤器、传送带或叶轮的形式，所述过滤器、传送带或叶轮将用于在处理器中捕集浆料中的矿物颗粒，或用于在尾矿库中捕集尾矿中的矿物颗粒。所述过滤器、传送带或叶轮具有由合成材料制成或涂有合成材料的捕集区域，所述合成材料具有官能团，所述官能团为阴离子或阳离子以粘附所述矿物颗粒。或者，所述合成材料具有使所述捕集区域具有疏水性的疏水性分子。当将浆料或尾矿中的矿物颗粒与捕集剂分子组合时，所述矿物颗粒也变得具有疏水性。疏水性矿物颗粒被吸引到疏水性捕集区域上。所述过滤器、传送带和叶轮可以具有多条通道以便增加接触表面。

Charged engineered polymer beads/bubbles functionalized with molecules for attracting and attaching to mineral particles of interest for flotation separation

Separation of copper sulfides and pyrite molybdenum using a hybrid seawater / desalinated water process

Un sistema de separación de cobre/molibdeno que utiliza agua de mar en el circuito de desbaste y agua desalinizada en el circuito de limpieza. Tanto en el circuito de desbaste como en el de limpieza, se utilizan medios diseñados hidrófobos para recuperar las partículas minerales de interés. El circuito de limpieza incluye una etapa de carga de molibdeno configurada para contactar la pulpa acondicionada con los medios diseñados en una cámara de reacción agitada, y cargar la molibdenita hidrófoba en los medios diseñados. A copper / molybdenum separation system that uses seawater in the roughing circuit and desalinated water in the cleaning circuit. In both the roughing and cleaning circuits, hydrophobic designed means are used to recover the mineral particles of interest. The cleaning circuit includes a molybdenum loading stage configured to contact the conditioned pulp with the designed means in a stirred reaction chamber, and to load the hydrophobic molybdenite into the designed means.

Process for treating metal or mineral ores and collecting composition for it

Proceso para tratar menas de metales o minerales con una composición colectora que comprende un compuesto que contiene grupos nitrilo de la Fórmula (I) **(Ver fórmula)** en donde R es un grupo hidrocarbonado saturado o insaturado, lineal o ramificado que contiene de 8 a 26 átomos de carbono, R'= O o **(Ver fórmula)** R" es un grupo hidrocarbonado saturado o insaturado, lineal o ramificado que contiene de 1 a 26 átomos de carbono o un átomo de hidrógeno o el grupo (-(D)j-CnH2nCN) o el grupo R-((A)m-(B))x, A es (-O-CH2CH2-); (-O-CH(CH3)CH2-) o (-O-CH(CH2CH3)CH2-) B es (-O-CpH2p-) D es (-CH2CH2-O-); (-CH(CH3)CH2-O-) o (-CH(CH2CH3)CH2-O-) x es 0 o 1 R'" es un grupo hidrocarbonado que contiene de 1 a 4 átomos de carbono Y es haluro o metilsulfato m y j son cada uno independientemente un número entero de 0-5 R"" es un grupo hidrocarbonado saturado o insaturado, lineal o ramificado que contiene de 1 a 26 átomos de carbono n y p son cada uno independientemente un número entero de 1 a 5. Process for treating metal ores or minerals with a collector composition comprising a compound containing nitrile groups of Formula (I) **(See formula)** where R is a linear or branched saturated or unsaturated hydrocarbon group containing from 8 to 26 carbon atoms, R'= O or **(See formula)** R" is a linear or branched saturated or unsaturated hydrocarbon group containing from 1 to 26 carbon atoms or one hydrogen atom or the group (-(D)j-CnH2nCN) or the group R-((A)m-(B))x, A is (-O-CH2CH2-); (-O-CH(CH3)CH2-) or ( -O-CH(CH2CH3)CH2-) B is (-O-CpH2p-) D is (-CH2CH2-O-), (-CH(CH3)CH2-O-) or (-CH(CH2CH3)CH2-O -) x is 0 or 1 R'" is a hydrocarbon group containing 1 to 4 carbon atoms Y is halide or methylsulfate m and j are each independently an integer from 0-5 R"" is a saturated or unsaturated hydrocarbon group , linear or branched containing from 1 to 26 carbon atoms n and p are each independently an integer from 1 to 5.

Hybrid - flotation recovery of mineral bearing ores

A flotation tank has an input to receive a slurry from a pipeline section. The slurry contains finer mineral particles and coarser mineral particles. The pipeline section has one or more loops or coiled sections arranged to perform partial centrifugal separation on the finer and coarser mineral particles. As the mineral particles are moved tangentially into the lower part of the flotation tank, the coarser mineral particles tend to be near the tank wall while the finer mineral particles tend to move into the central part of the tank. Air bubbles or lightweight synthetic bubbles are used to collect and lift the finer mineral particles to the upper part of the tank. The coarser mineral particles are recovered by using collection surfaces coated with a hydrophobic material.

Mineral recovery in tailings using functionalized polymers

An apparatus and method for collecting mineral particles in the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt, a collection plate or an impeller configured to contact with tailings of a flotation process, before and/or after the tailings are discharged into a pond. The filter, conveyor belt, collection plate or impeller has a collection area or surface made of, or coated with, a synthetic material having a functional group, e.g., having an ionizing bond to attract the mineral particles of interest. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles of interest in the tailings are combined with collector molecules, the mineral particles of interest may also become hydrophobic. The hydrophobic mineral particles of interest are attracted to the hydrophobic collection area or surface. The filter, conveyor belt, collection plate and impeller may have a plurality of passage ways or synthetic beads in order to increase the contacting surfaces.

Open cell or reticulated foam having 3-dimensional open-network structure made of a hydrophobic material for selective separation of mineral particles

(12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) CORRECTED VERSION (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2019/157147 A8 15 August 2019 (15.08.2019) WIPO PCT (51) International Patent Classification: 35 Tyler Road, Enfield, Connecticut 06082 (US). DIDDEN, BOlD 15/36 (2006.01) BOlD 61/00 (2006.01) Francis; 32 Maple View Road, Wallingford, Connecticut 06492 (US). O'KEEFE, Christian V.; 58 Canterbury Dri-(21) International Application Number: PCT/US2019/017003 ve, Durham, Connecticut 06422 (US). ADAMSON, Dou-glas H.; 7 Jackson Lane, Mansfield Centre, Connecticut (22) International Filing Date: 06250 (US). DOLAN, Paul; 10 Lisa Court, Portland, Con-07 February 2019 (07.02.2019) necticut 06780 (US). BAILEY, Timothy J.; 42 Birch Road, Longmeadow, Massachusetts 01106 (US). RYAN, Michael (25) Filing Language: English Stephen; 3 West Farm Ridge Road, Newtown, Connecti-(26) Publication Language: English cut 06470 (US). HUANG, Weiguo; 664 Windsor Ave., Windsor, Connecticut 06095 (US). LASSILA, Kevin Rod-(30) Priority Data: ney; 7 Chelsea Circle, Bethany, Connecticut 06524 (US). 62/627,266 07 February 2018 (07.02.2018) US COPPOLA, Michael D.; 27 Twitchgrass Road, Trumball, (71) Applicant: CIDRA CORPORATE SERVICES LLC Connecticut 06611 (US). GREENE, Allison K.; 336 South [US/US]; 50 Barnes Park North, Wallingford, Connecticut Main St., West Hartford, Connecticut 06107 (US). 06492 (US). (72) Inventors: ROTHMAN, Paul J.; 162 Carriage Way, Windsor, Connecticut 06095 (US). FERNALD, Mark R.; (54) Title: OPEN-NETWORK FOAM OF HYDROPHOBIC MATERIAL FOR SELECTIVE SEPARATION OF MINERAL PARTI-- CLES . A SK! giri4M . A ; $3,4 = " 1476011.1AWITO41.11; With Co, inera1 ottlined thtoughout tht A-Alcuot QC Figure 16 71. iun (57) Abstract: An engineered collection medium for use in mineral separation is described. The engineered collection medium has a 1 ...

Mineral separation using functionalized filters and membranes

An apparatus for collecting mineral particles in a slurry or the tailings is disclosed. The apparatus may take the form of a filter, a conveyor belt or an impeller to be used in a processor to collect mineral particles in the slurry, or in a tailings pond to collect mineral particles in the tailings. The filter, conveyor belt or impeller has a collection area made of or coated with a synthetic material having a functional group, either anionic or cationic to attach to the mineral particles. Alternatively, the synthetic material has hydrophobic molecules to render the collection area hydrophobic. When the mineral particles in the slurry or tailings are combined with collector molecules, the mineral particles also become hydrophobic. The hydrophobic mineral particles are attracted to the hydrophobic collection area. The filter, conveyor belt and impeller may have a plurality of passage ways in order to increase the contacting surfaces.

Ultraflotation with magnetically responsive carrier particles

The present invention relates to a process for the separation of at least one hydrophobic or hydrophobized material from a dispersion comprising said at least one hydrophobic or hydrophobized material and at least one second material. The process according to the present invention comprises the steps (A) to (D) which are described herein.

A method of separation

A method of separating trace amounts of amphiphilic substances from water which is contaminated with the substances, the method comprising the steps of: admitting an amount of the water, which includes an initial concentration of the substances, into a chamber via an inlet thereinto; - introducing a flow of gas into the chamber, wherein said introduced gas induces the water in the chamber to flow, and produces a froth layer which is formed at, and which rises above, an interface with the said flow of - controlling the water content of the froth layer which rises above the interface to influence the concentration of the substances therein; and - removing at least some of the froth layer from an upper portion of the chamber.

Method and device for the purification of polluted sedimentary material

The invention relates to a method for cleaning contaminated aquatic soil material, in particular dredged material, comprising of separating the aquatic soil material into at least one sand fraction and at least one sludge fraction and subsequently separating the contaminants from both the sand fraction and the sludge fraction. Separation of the aquatic soil material into a sand fraction (11) and sludge fraction (10) preferably takes place by means of at least one hydrocyclone (9) and, after separation of the sludge fraction (10), the sand fraction (11) is guided over a jig (12). The contaminants can be separated from the fractions by means of specific flotation (19,26,27) techniques. The invention further relates to a device for performing the method and to the use of the sludge and/or sand obtained with the method.