СПОСОБ ИЗВЛЕЧЕНИЯ НИКЕЛЯ И КОБАЛЬТА ИЗ ЛАТЕРИТНЫХРУД

Изобретение относится к области металлургии, в частности к извлечению никеля и кобальта. Способ извлечения никеля и кобальта из никель- и кобальтсодержащих латеритных руд включает обжиг исходной руды в восстановительной атмосфере во вращающейся обжиговой печи для селективного восстановления никеля и кобальта, причем перед обжигом к исходной руде восстановитель либо не добавляют совсем, либо добавляют в количестве менее 2,5 мас.% и проводят выщелачивание восстановленной руды аэрированным аммиачным раствором карбоната аммония для выделения никеля и кобальта в выщелачивающий раствор. Затем отделяют выщелачивающий раствор от рудных хвостов и извлекают никель и кобальт жидкостной экстракцией органическим реагентом, осаждением или ионным обменом. Техническим результатом изобретения является повышение энергетического КПД с достаточной степенью извлечения никеля и кобальта. 15 з.п. ф-лы, 5 табл. ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (11) 2 333 972 (13) C2 (51) ÌÏÊ C22B 23/00 (2006.01) C22B 3/14 (2006.01) ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÎÏÈÑÀÍÈÅ ÈÇÎÁÐÅÒÅÍÈß Ê ÏÀÒÅÍÒÓ (21), (22) Çà âêà: 2005127198/02, 30.01.2004 (72) Àâòîð(û): ÔÐÝÍÑÈÑ Áîéä Ðåéìîí (AU), ÐÅÉÄ Äæîí Ãðýõåì (AU), ÁÀÐÍÅÒÒ Ñòåôåí ×àðëüç Êðîìïòîí (AU) (24) Äàòà íà÷àëà îòñ÷åòà ñðîêà äåéñòâè ïàòåíòà: 30.01.2004 (73) Ïàòåíòîîáëàäàòåëü(è): Áè Ýé÷ Ïè ÁÈËËÈÒÎÍ Ýñ Ýñ Ýì ÒÅÊÍÎËÎÄÆÈ ÏÒÈ ËÒÄ (AU) (43) Äàòà ïóáëèêàöèè çà âêè: 10.04.2006 R U (30) Êîíâåíöèîííûé ïðèîðèòåò: 30.01.2003 AU 2003900387 (45) Îïóáëèêîâàíî: 20.09.2008 Áþë. ¹ 26 2 3 3 3 9 7 2 (56) Ñïèñîê äîêóìåíòîâ, öèòèðîâàííûõ â îò÷åòå î ïîèñêå: US 3656934 A, 18.04.1972. US 2002012621 A, 31.01.2002. FR 2433052 A, 07.03.1980. RU 2182187 C1, 10.05.2002. (85) Äàòà ïåðåâîäà çà âêè PCT íà íàöèîíàëüíóþ ôàçó: 30.08.2005 2 3 3 3 9 7 2 R U (87) Ïóáëèêàöè PCT: WO 2004/067787 (12.08.2004) C 2 C 2 (86) Çà âêà PCT: AU 2004/000113 (30.01.2004) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á. Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé ...

ФЛОТАЦИОННЫЕ РЕАГЕНТЫ И СПОСОБ ФЛОТАЦИИ С ИХ ИСПОЛЬЗОВАНИЕМ

... 1. Способ повышения извлекаемости ценных сульфидных минералов и/или минералов драгоценных металлов из руды, содержащей указанный минерал и/или минерал драгоценного металла и один или несколько из силиката Mg, шламообразующих минералов и/или глины, каковой способ включает: добавление на одной или нескольких стадиях процесса пенной флотации, осуществляемого в кислотных условиях, модификатора пенной фазы, содержащего полимер, включающий одну или несколько функциональных групп, подобранных из группы, состоящей из сульфонатных групп или соответствующих им кислот, фосфатных групп или соответствующих им кислот, фосфонатных групп или соответствующих им кислот, фосфинатных групп или соответствующих им кислот, гидроксаматных групп или соответствующих им кислот, силановых групп и силанольных групп,тем самым, повышается извлекаемость ценных сульфидных минералов и/или минералов драгоценных металлов из указанной руды.2. Способ по п. 1, в котором полимер дополнительно включает одну или несколько гидрофобных ...

Способ удаления натрия из хлоридных растворов

FIELD: technological processes. SUBSTANCE: invention relates to a process for removing sodium from a process stream of a hydrometallurgical process comprising ammonium chloride, nickel chloride, copper chloride, cobalt chloride and/or magnesium chloride. Method comprises the steps of: (a) withdrawing a selected flow of solutions and/or suspensions of the hydrometallurgical process from the process flow of the hydrometallurgical process, (b) evaporating water from the effluent stream to produce a saturated solution containing sodium, (c) crystallizing a portion of sodium chloride contained in a saturated solution containing sodium from said solution to obtain a sodium-depleted solution, and (d) returning the sodium-depleted solution to the process flow of the hydrometallurgical process. EFFECT: technical result is an increase in the economy and environmental safety of the process. 18 cl, 1 dwg, 2 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 658 532 C1 (51) МПК C22B 3/22 (2006.01) C22B 3/44 (2006.01) C02F 9/10 (2006.01) C01D 13/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК C22B 3/22 (2006.01) (21)(22) Заявка: 2017107541, 01.09.2015 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Оутотек (Финлэнд) Ой (FI) Дата регистрации: 21.06.2018 103449653 A, 18.12.2013. CN 102199704 A, 28.09.2011. RU 2005119098 A, 27.12.2006. EP 0492727 A1, 01.07.1992. 02.09.2014 FI 20145761 (45) Опубликовано: 21.06.2018 Бюл. № 18 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 03.04.2017 (86) Заявка PCT: (87) Публикация заявки PCT: WO 2016/034769 (10.03.2016) C 1 C 1 FI 2015/050569 (01.09.2015) 2 6 5 8 5 3 2 Адрес для переписки: 191036, Санкт-Петербург, а/я 24, "НЕВИНПАТ" R U 2 6 5 8 5 3 2 (56) Список документов, цитированных в отчете о поиске: CN 101544437 A, 30.090.2009. CN Приоритет(ы): (30) Конвенционный приоритет: R U 01.09.2015 (72) Автор(ы): КОТИРАНТА Туукка (FI), ВАЛКАМА Кари (FI) ( ...

ФЛОТАЦИОННЫЕ РЕАГЕНТЫ И СПОСОБ ФЛОТАЦИИ С ИХ ИСПОЛЬЗОВАНИЕМ

... 1. Способ повышения извлекаемости ценных сульфидных минералов или минералов драгоценных металлов из руды, содержащей силикат Mg, шламообразующие минералы и/или глину, в щелочных условиях, каковой способ включает следующие стадии: ! дробление руды, содержащей сульфид или драгоценный металл, каковая руда содержит также силикат Mg, шламообразующие минералы и/или глину, с получением дробленой руды; ! размол указанной дробленой руды с получением размолотой руды; !осуществление процесса флотации указанной размолотой руды; ! где усиливающий действие модификаторов агент, представляющий собой однозарядный ион, и, по меньшей мере, один модификатор пенной фазы добавляют, по меньшей мере, к указанной дробленой руде, указанной размолотой руде или их сочетанию, и где указанный модификатор пенной фазы представляет собой полимер, в котором имеется, по меньшей мере, одна функциональная группа, подбираемая из группы, в которую входят карбоксильные группы или группы, преобразующиеся в карбоксильные в результате ...

PRODUCTION OF NICKEL POWDER FROM IMPURE NICKEL COMPOUNDS

... 1439380 Extracting Nickel SHERRITT GORDON MINES 4 Sept 1973 [20 Oct 1972] 41503/73 Heading C7D Pure nickel is recovered in powder form from nickel compounds which are capable of being dissolved in aqueous ammoniacal ammonium sulphate solutions and which contain undesireable impurities including at least one of zinc, manganese and magnesium (e.g. basic nickel carbonate precipitated from ammoniacal ammonium carbonate leach liquor, nickel hydroxide, sulphate or basic nickel sulphate) by extracting substantially all nickel from said nickel compound by dissolving said compound in aqueous ammoniacal ammonium sulphate solution containing an excess of ammonium sulphate above the stoichiometric amount required to react with the nickel content of said compound to form nickel diammine sulphate, separating dissolved solids from the resulting solids free nickel diammine sulphate solution, reacting the resulting solids free nickel diammine sulphate solution with hydrogen at elevated temperature and pressure ...

LEACHING METALS FROM SPENT HYDROPROCESSING CATALYSTS

Method for producing extra fine cobalt metal powder

Extra fine cobalt metal powder (up to about 0.8 microns) having less than 100 parts per million cation impurities is produced by a process in which cobalt pentammine chloride is digested in a dilute ammonium hydroxide solution to form a black precipitate, which is separated and heated in a hydrogen atmosphere to reduce the precipitate directly to cobalt metal powder. The cobalt pentammine chloride may be obtained by digesting a cobalt source in hydrochloric acid, adding ammonium hydroxide, oxidizing the cobaltous ion to cobaltic ion, and reducing the pH with hydrochloric acid to less than 1.0 in order to precipitate cobalt pentammine chloride. The final cobalt metal powder is useful, for example, as a starting material in the manufacture of cemented carbides.

Flotation reagents and flotation processes utilizing same

Floatation reagents and floatation processes utilizing same.

Flotation reagents and flotation processes utilizing same

PROCESS FOR RECOVERING NON-FERROUS METALS FROM A SOLID MATRIX

Method for ammoniacal leaching

Method for ammoniacal leaching

Floatation reagents and floatation processes utilizing same.

Method for leaching cobalt from oxidised cobalt ores.

Process for recovering nonferrous metals from a solid matrix

Flotation reagents and flotation processes utilizing same

Process for the comprehensive recovery of metal cobalt, ruthenium and aluminum form waste catalyst co-ru/al2O3 in fischertropsch synthesis

Process for recovering nonferrous metals from a solid matrix

Proceeded to extract by leaching cobalt and nickel from matters which contain some.

Process of extraction of nickel and cobalt.

Method of preparation of pure nickel starting from impure compounds of this metal.

Process of treatment of the laterites and nickeliferous garnierites with high percentage of magnesium.

Hydrometallurgic process of recovery of metals.

Hydrometallurgic process of interesting metal recovery.

Hydrometallurgic process of interesting metal recovery.

Process of nickel ore scrubbing.

Sophisticated process of leaching of the reduced laterite ores.

Process for the treatment of nickeliferous laterite ore containing of the fractions of limonite and serpentine.

Process for the comprehensive recovery of metal cobalt, ruthenium and aluminum form waste catalyst co-ru/al2O3 in fischertropsch synthesis

Method for ammoniacal leaching

Process for the comprehensive recovery of metal cobalt, ruthenium and aluminum form waste catalyst co-ru/al2O3 in fischertropsch synthesis

Process for recovering nonferrous metals from a solid matrix

Method for ammoniacal leaching

Flotation reagents and flotation processes utilizing same

Floatation reagents and floatation processes utilizing same.

Method for leaching cobalt from oxidised cobalt ores.

VERFAHREN ZUR GEWINNUNG VON METALLVERBINDUNGEN AUS SULFIDERZEN ODER -KONZENTRATEN

PROCEDURE FOR THE PRODUCTION OF NICKEL FROM INFERIOR ONE CHROMITERZ

HYDRAULICMETALLURGICAL PROCEDURE FOR PRODUCTION OF NICKEL AND COBALT BY AMMONIAKALI CAUSTIC SOLUTIONS

SULPHIDE ORES BY OXIDATION WITH AIR OR OXYGEN IN AMMONIACAL SOLUTIONS HYDROMETALLURGICAL PROCESS FOR THE RECOVERY OF COPPER FROM

PRODUCING NICKEL POWDER FROM BASIC NICKEL CARBONATE

RECOVERY OF NICKEL RECOVERY OF NICKEL

COBALT RECOVERY COBALT RECOVERY

Process for recovering non-ferrous metals from a solid matrix

The present invention relates to a process for recovering non-ferrous metals from a solid matrix comprising the following phases: (a) leaching the solid matrix with an aqueous-based solution containing chloride ions and ammonium ions and having a pH within the range of 6.5-8.5, in the presence of oxygen, at a temperature ranging from 100 °C to 160 °C and a pressure within the range of 150 kPa - 800 kPa, so as to obtain an extraction solution comprising the leached metals and a solid leaching residue; (b) separating said solid leaching residue from said extraction solution; (c) subjecting said extraction solution to at least one cementation so as to recover the metals in the elemental state.

RECOVERY OF NICKEL FROM NICKEL BEARING CATALYST RESIDUE

Hydrometallurgical process for the recovery of nickel and cobalt by ammoniacal leaching

TREATMENT OF DISSOLVED BASIC NICKEL CARBONATE

A process for recovering nickel from an impure nickel compound which contains a major proportion of nickel values and a minor proportion of other metal values which are relatively soluble in ammoniacal ammonium sulphate solution, and a minor proportion of nickel values and other metal values which are relatively insoluble in the solution. The impure nickel compound is treated with ammoniacal ammonium sulphate solution so that the relatively soluble nickel and other metal values are dissolved in the solution with the relatively soluble nickel values being dissolved substantially as nickel diammine sulphate, and so that the relatively insoluble nickel and other metal values form an undissolved residue. The residue is separated from most of the ammoniacal ammonium sulphate solution so as to provide a substantially residue-free solution of nickel diammine sulphate and relatively soluble other metal values on the one hand and a slurry of the residue of undissolved nickel and other metal values ...

HYDROMETALLURGICAL RECOVERY OF METAL VALUES

In the hydrometallurgical recovery of metal values from ores and the like in which a metal bearing source is reduced in the presence of at least one additive at temperatures ranging from about 500.degree. to about 900.degree. C. and thereafter extracted, the improvement which comprises pretreating only a portion of the feed stock with the additive prior to the reducing roast.

RECOVERING METALS FROM SPENT HYDROPROCESSING CATALYSTS

A process for recovering the metal values from spent hydroprocessing catalyst particles. The metal values will include at least one metal of Group VIII of the Periodic Table and at least one metal of Group Vb or Group VIb of the Periodic Table. The spent catalyst particles are first roasted at between 400.degree.C and 600.degree.C and then contacted with a first aqueous solution of ammonia and an ammonium salt forming a first pregnant liquor. The once-leached spent hydroprocessing catalysts are contacted with a second aqueous solution of sulfur dioxide forming a second pregnant liquor. The metal values are precipitated from the second pregnant liquor with hydrogen sulfide and the precipitate is roasted with unroasted spent hydroprocessing catalysts. The metal values of Group Vb and Group VIb in the first pregnant liquor are transferred into a first organic solution by liquid ion exchange. The first organic solution is stripped by an aqueous strip solution and the metal values separated ...

HYDROMETALLURGICAL RECOVERY OF METAL VALUES

HYDROMETALLURGICAL RECOVERY OF METAL VALUES Metal values are recovered from metal bearing sources in a hydrometalluryical process in which a metal bearing source such as an ore is reduced with a reductive roast, only or with the presence of at least on additive at temperatures ranging from 500.degree. to 900.degree.C. Thereafter the reduced source is subjected to a leach in the presence of a basic leaching agent to extract the desired metals from the source. In the present invention, the basic leaching agent which is employed comprises an ammoniacal ammonium chloride solution.

RECOVERY OF COPPER

NICKEL RECOVERY

RECOVERING METALS FROM SPENT HYDROPROCESSING CATALYSTS

RECOVERY AND SEPARATION OF NICKEL AND COBALT FROM REDUCED LATERITE NICKEL ORE

METHOD FOR PRODUCING EXTRA FINE COBALT METAL POWDER

PROCESS FOR THE COMPREHENSIVE RECOVERY OF METAL COBALT, RUTHENIUM AND ALUMINUM FROM WASTE CATALYST CO-RU/AL2O3 IN FISCHER-TROPSCH SYNTHESIS

Provided is a process for the comprehensive recovery of metal cobalt, ruthenium and aluminum from a waste catalyst Co-Ru/Al2O3 in a Fischer-Tropsch synthesis. First, a waste catalyst is subjected to hydrocarbon removal, and reduction treatment, to effectively separate a cobalt slag in an alkali fusion step, and then the cobalt slag is subjected to the steps of acid leaching, cobalt precipitation with oxalic acid or ammonium oxalate, reduction of cobalt oxalate, dissolution of metal cobalt with nitric acid, etc., to obtain Co(?O3)26?2O. A ruthenate which is dissolved by steps such as alkali fusion, and leaching with deionized water, is subjected to the steps of reduction with ethanol, dissolution with concentrated hydrochloric acid, distillation under reduced pressure, etc., to obtain a ß-RuCl3XH2O product with a high purity. Aluminum hydroxide is prepared from a meta-aluminate solution by CO2 carbonation, by controlling the parameters such as reaction temperature, flow rate of CO2, pH value ...

PROCESS FOR ANTIPOLLUTION TREATMENT OF A SPENT REFINING CATALYST AND RECOVERY OF METALS

On a décrit un procédé de traitement antipollution et de la récupération des métaux d'un catalyseur de raffinage d'une charge de pétrole à l'état usé renfermant au moins un métal contaminant choisi dans le groupe constitué par le vanadium, le nickel, et le fer. Le procédé est caractérisé notamment en ce que a/ le catalyseur déchargé de l'unité industrielle est soumis à un strippage b/ le catalyseur est calciné dans les conditions critiques et c/ les métaux du catalyseur subissent une lixiviation en présence d'une solution aqueuse de soude caustique ou de carbonate de sodium. Le procédé s'applique à un traitement antipollution et de la récupération des métaux des catalyseurs usés notamment des catalyseurs d'hydrotraitement ou d'hydroconversion d'une charge pétrolière.

PROCEDE POUR L'OBTENTION DE POUDRE DE NICKEL.

METHOD OF ISOLATING AND REGENERATION OF METALS

ВОССТАНОВИТЕЛЬНОЕ АММИАЧНОЕ ВЫЩЕЛАЧИВАНИЕ НИКЕЛЬ- И КОБАЛЬТСОДЕРЖАЩИХ МАТЕРИАЛОВ

Способ извлечения никеля и/или кобальта из загрязненного примесями никелевого, кобальтового или смешанного никелево-кобальтового материала, включающий в себя следующие стадии: а) получение никелевого, кобальтового или смешанного никелево-кобальтового материала; и b) контактирование никелевого, кобальтового или смешанного никелево-кобальтового материала с подаваемым аммиачным раствором карбоната аммония и восстановителем на стадии выщелачивания.

METHOD OF EXTRACTING NON-FERROUS METALS FROM SOLID BASE

Настоящее изобретение относится к способу извлечения цветных металлов из твердой основы, включающему следующие фазы: (а) выщелачивания твердой основы раствором на водной основе, содержащим ионы хлора и ионы аммония и имеющим рН в диапазоне 6,5-8,5, в присутствии кислорода при температуре от 100 до 160°С и давлении от 150 до 800 кПа для того, чтобы получить экстракционный раствор, содержащий выщелоченные металлы, и твердый остаток выщелачивания, (б) отделения указанного твердого остатка выщелачивания от указанного экстракционного раствора, (в) подвергания указанного экстракционного раствора по меньшей мере одной цементации для того, чтобы извлечь металлы в элементарном состоянии. The present invention relates to a method for extracting non-ferrous metals from a solid base, comprising the following phases: (a) leaching a solid base with an aqueous-based solution containing chlorine ions and ammonium ions and having a pH in the range of 6.5-8.5 in the presence of oxygen with temperature from 100 to 160 ° C and pressure from 150 to 800 kPa in order to obtain an extraction solution containing leached metals and a solid leaching residue, (b) separating said solid leach residue from said extraction solution, (c) adding rganiya specified extraction solution of at least one cementation in order to extract metals in an elemental state.

METHOD OF EXTRACTING METALS

PROCESS FOR RECOVERING NON-FERROUS METALS FROM A SOLID MATRIX

PROCEDE DE RECUPERATION DU NICKEL

L'invention concerne un procédé de récupération du nickel dans un résidu contenant du nickel obtenu après gazéification d'une matière charbonneuse en présence d'un catalyseur contenant du nickel. Selon l'invention, on ajoute une solution aqueuse contenant de l'ammoniaque au résidu contenant du nickel en présence d'un gaz contenant de l'oxygène pour dissoudre et extraire le nickel sous forme d'un sel complexe d'ammine-nickel; on sépare le mélange en une solution aqueuse d'ammine-nickel et des matières insolubles; on ajoute encore de l'ammoniaque à la solution aqueuse d'ammine-nickel séparée pour augmenter la concentration d'ammoniaque libérée à une valeur suffisante pour précipiter l'ammine-nickel; et on sépare ce précipité. Le dessin joint montre la courbe de la solubilité du chlorure d'ammine-nickel. L'invention s'applique notamment à la récupération du nickel après gazéification de la houille.

PROCESS FOR TREATING NICKELIFEROUS LATERITE ORE CONTAINING LIMONITE AND SERPENTINE FRACTIONS

PROCESS FOR TREATING HIGH MAGNESIUM NICKELIFEROUS LATERITES AND GARNIERITES

Nickel and cobalt recovery from oxide based ores - with secondary extraction circuit to recover more cobalt

Ore processing silicated of nickel

New process of antipollution treatment of a catalyst of refining in a worn state and récupérationtotal of the various metal components of known as catalyst

On décrit un procédé de traitement antipollution et de la récupération des métaux d'un catalyseur de ratinage à l'état usé renfermant au moins un métal contaminant choisi dans le groupe formé par le vanadium, le nickel et le fer. Le procédé de la présente invention est caractérisé notamment en ce que: a) le catalyseur déchargé de l'unité industrielle est soumis à un strippage; b) le catalyseur strippé est calciné dans les conditions critiques; c) le catalyseur calciné subit un traitement thermique en présence d'une base alcaline à l'état fondu; d) la masse solide résultante de l'étape c) est traitée par de l'eau. Le procédé s'applique à un traitement antipollution et de la récupération des métaux des catalyseurs usés notamment des catalyseurs d'hydrotraitement ou d'hydroconversion d'une charge pétrolière. A process for the antipollution treatment and recovery of metals from a spent scouring catalyst containing at least one contaminating metal selected from the group consisting of vanadium, nickel and iron is disclosed. The process of the present invention is characterized in particular in that: a) the catalyst discharged from the industrial unit is subjected to stripping; b) the stripped catalyst is calcined under critical conditions; c) the calcined catalyst is subjected to a heat treatment in the presence of an alkaline base in the molten state; d) the solid mass resulting from step c) is treated with water. The process applies to an antipollution treatment and to the recovery of metals from spent catalysts, in particular catalysts for the hydrotreatment or hydroconversion of a petroleum feedstock.

PROCEDE D'EPUISEMENT PAR UNE SOLUTION AQUEUSE D'UNE SOLUTION ORGANIQUE CONTENANT DES METAUX ET UN COMPOSE D'ALKYLAMMONIUM QUATERNAIRE

L'INVENTION CONCERNE UN PROCEDE D'EXTRACTION DE SES CONSTITUANTS METALLIQUES D'UNE SOLUTION ORGANIQUE LES CONTENANT ET CONTENANT UN COMPOSE D'ALKYLAMMONIUM QUATERNAIRE. LA SOLUTION ORGANIQUE EST MISE EN CONTACT AVEC UNE SOLUTION AQUEUSE D'EPUISEMENT CONTENANT AU MOINS 75 GL D'UN SEL D'UN ION BICARBONATE A AU PLUS 50C ET PH COMPRIS ENTRE 7 ET 9 POUR TRANSFORMER LES COMPLEXES METALLIQUES D'ALKYLAMMONIUM QUATERNAIRE EN COMPLEXES METALLIQUES HYDROSOLUBLES. APPLICATION A L'EXTRACTION DU MOLYBDENE ET DU VANADIUM.

SETT ATT ATERVINNA VERDEFULLA METALLER FRAN SKROT AV VARMHALLFASTA LEGERINGAR

Antipolluting treatment of a used refining catalyst and recuperation of metals

VERFAHREN ZUR RUECKGEWINNUNG VON NICKEL AUS NICKELHALTIGEN RUECKSTAENDEN

Recovery of metal values from an aqueous solution

A method of recovering metal values from an aqueous stream. The metal values are preferably obtained from leaching spent hydroprocessing catalysts, and include nickel, cobalt, vanadium and molybdenum. The metal values are extracted, isolated and purified by liquid, liquid extraction techniques.

INTEGRATED EXTRACTION OF AMMONIAKALI SOLVENT AND HYDROGEN REDUCTION OF NICKEL

PROCEDURE FOR THE PRODUCTION OF METAL CONNECTIONS FROM SULFIDE ORES OR - CONCENTRATES

SMELTING NICKEL

METALS

Improvement in the process of recovery of metals

Method for ammoniacal leaching

Method for manufacturing nickel powder, and method for operating reaction facility

Provided is a method for manufacturing nickel powder whereby a reduction in production efficiency due to abrasion of a flash vessel connected to a pressurized container can be suppressed when nickel powder is generated using the pressurized container and subsequently recovered. The method for manufacturing nickel powder pertaining to the present invention comprises charging a pressurized container with a nickel sulfate ammine complex solution and seed crystals, adding hydrogen gas to the pressurized container, and reducing the nickel included in the nickel sulfate ammine complex solution, wherein, when a nickel powder slurry obtained in the pressurized container is extracted to a flash vessel connected to the pressurized container, the slurry is extracted to the flash vessel while the supply rate of the nickel ammine complex solution to the pressurized container and/or the extraction rate of the nickel slurry from the pressurized container is controlled so that the liquid level in the pressurized ...

AQUEOUS AMMONIA OXIDATIVE LEACH AND RECOVERY OF MINERAL VALUES

RECOVERY OF COBALT VALUES FROM THE LEACHED ORE TAILINGS OF A CONVENTIONAL AMMONIACAL LEACHING PROCESS

LEACHING OF COBALT AND/OR NICKEL VALUES FROM MATERIALS

HYDROMETALLURGICAL PROCESS FOR THE RECOVERY OF COPPER FROM SULPHIDE ORES BY OXIDATION WITH OR OXYGEN IN AMMONIACAL SOLUTIONS

REDUCTIVE AMMONIACAL LEACHING OF NICKEL AND COBALT BEARING MATERIALS

A process for the recovery of nickel and/or cobalt from an impure nickel, cobalt or mixed nickel/cobalt material including the steps of: a) providing a nickel, cobalt or mixed nickel/cobalt material; and b) contacting the nickel, cobalt or mixed nickel/cobalt material with a feed ammoniacal ammonium carbonate solution and a reductant in a leach step.

PROCESS FOR PRODUCING REFINED NICKEL AND OTHER PRODUCTS FROM A MIXED HYDROXIDE INTERMEDIATE

According to the invention there is provided a process to produce a refined nickel metal product from a mixed hydroxide intermediate, by direct hydrogen pressure reduction of the leach solution. Other products containing the nickel, cobalt, zinc, copper and sulphur are also formed.

PROCESS FOR THE COMPREHENSIVE RECOVERY OF METAL COBALT, RUTHENIUM AND ALUMINUM FROM WASTE CATALYST CO-RU/AL2O3 IN FISCHER-TROPSCH SYNTHESIS

Provided is a process for the comprehensive recovery of metal cobalt, ruthenium and aluminum from a waste catalyst Co-Ru/Al2O3 in a Fischer-Tropsch synthesis. First, a waste catalyst is subjected to hydrocarbon removal, and reduction treatment, to effectively separate a cobalt slag in an alkali fusion step, and then the cobalt slag is subjected to the steps of acid leaching, cobalt precipitation with oxalic acid or ammonium oxalate, reduction of cobalt oxalate, dissolution of metal cobalt with nitric acid, etc., to obtain Co(?O3)26?2O. A ruthenate which is dissolved by steps such as alkali fusion, and leaching with deionized water, is subjected to the steps of reduction with ethanol, dissolution with concentrated hydrochloric acid, distillation under reduced pressure, etc., to obtain a ß-RuCl3XH2O product with a high purity. Aluminum hydroxide is prepared from a meta-aluminate solution by CO2 carbonation, by controlling the parameters such as reaction temperature, flow rate of CO2, pH value ...

PROCESS FOR RECOVERING NON-FERROUS METALS FROM A SOLID MATRIX

The present invention relates to a process for recovering non-ferrous metals from a solid matrix comprising the following phases: (a) leaching the solid matrix with an aqueous-based solution containing chloride ions and ammonium ions and having a pH within the range of 6.5-8.5, in the presence of oxygen, at a temperature ranging from 100 °C to 160 °C and a pressure within the range of 150 kPa - 800 kPa, so as to obtain an extraction solution comprising the leached metals and a solid leaching residue; (b) separating said solid leaching residue from said extraction solution; (c) subjecting said extraction solution to at least one cementation so as to recover the metals in the elemental state.

PROCESS FOR THE SEPARATION OF COBALT FROM NICKEL

A process is disclosed for separating cobalt in the form of cobalt (III) hexammine sulphate from an aqueous solution containing cobalt (III) hexammine sulphate and nickel (II) hexammine sulphate comprising adding ammonium sulphate to provide an effective amount of ammonium sulphate, ammoniating the solution with an effective amount of ammonia at a temperature whereby the triple salt of cobalt (III) hexammine sulphate. nickel (II) hexammine sulphate and ammonium sulphate is precipitated, recovering the precipitated triple salt from the solution, and repulping the triple salt with an effective amount of water or aqueous ammonia solution to selectively leach nickel (II) hexammine sulphate and ammonium sulphate to produce a crystalline cobalt (III) hexammine sulphate with a Co:Ni ratio of at least 100:1. In a preferred embodiment, the aqueous solution is produced by leaching nickel-cobalt sulphides in an ammoniacal ammonium sulphate solution under an elevated pressure of an oxygen bearing gas ...

PROCEDE POUR RECUPERER DES METAUX DE CATALYSEURS USES D'HYDROTRAITEMENT

L'INVENTION CONCERNE UN PROCEDE POUR LA RECUPERATION DE METAUX, NOTAMMENT UN MELANGE DE METAUX DU GROUPEVII COMPRENANT LE NICKEL ET LE COBALT. LA CHARGE TRAITEE EST TOUT D'ABORD GRILLEE ENTRE 400 ET 600C, PUIS MISE EN CONTACT AVEC UNE PREMIERE SOLUTION AQUEUSE AMMONIACSEL D'AMMONIUM DONNANT UNE PREMIERE LIQUEUR CHARGEE. LA CHARGE LIXIVIEE UNE FOIS EST MISE EN CONTACT AVEC UNE SECONDE SOLUTION AQUEUSE DE SO FORMANT UNE SECONDE LIQUEUR CHARGEE. LES METAUX SONT PRECIPITES DE LA SECONDE LIQUEUR AVEC HS ET LE PRECIPITE EST GRILLE CONJOINTEMENT AVEC LA CHARGE NON GRILLEE. APPLICATION AU TRAITEMENT DE PARTICULES D'UN CATALYSEUR D'HYDROTRAITEMENT USE.

METHOD FOR RECOVERING CATALYST METALS USE Of HYDRO-TREATING

Process of nickel slow ore leaching by a diluted alkaline solution

Process for recovering metals from spent hydrotreatment catalysts.

Leaching of low-grade nickel complex ore

A process for extracting nickel from a low-grade nickel complex ore. The process features leaching the ore under elevated temperatures for relatively short periods of time with an aqueous ammoniacal leach solution.

IMPROVEMENT IN THE PROCESS OF RECOVERY OF METALS

An improved process for the extraction of a metal from an aqueous ammoniacal solution comprising: (i) contacting the aqueous ammoniacal solution with an extraction reagent comprised of a water insoluble extractant for the metal, to provide an organic phase, now containing metal values, and an aqueous phase from which metal values have been extracted; (ii) contacting the organic phase with an aqueous stripping solution to provide an aqueous strip phase, now containing metal values, and an organic phase from which metal values have been stripped; and (iii) recovering the metal values from the aqueous stripping solution; the improvement wherein (a) the extraction reagent contains an ammonia antagonist having only hydrogen bond acceptor properties; (b) the stripping solution is an aqueous highly acidic solution; and (c) the organic phase is washed with a weakly acidic aqueous solution prior to stripping with the highly acidic aqueous stripping solution. The extractant is preferably an oxime ...

ОБЪЕДИНЕННОЕ ЭКСТРАГИРОВАНИЕ АММИАЧНЫМ РАСТВОРИТЕЛЕМ И ВОССТАНОВЛЕНИЕ НИКЕЛЯ ВОДОРОДОМ

Изобретение относится к металлургии никеля и может быть использовано для восстановительного осаждения никеля водородом. Способ регенерирования металлического никелевого продукта в процессе экстрагирования растворителем включает стадии получения комплекса аммиаката никеля в виде гексааммиаката никеля путем отделения никеля от содержащей никель органической фазы высококонцентрированным раствором аммиака и восстановления комплекса аммиаката никеля водородом с получением металлического никеля. Комплекс аммиаката никеля представляет собой комплекс карбоната или сульфата аммиаката никеля, обеспечивается упрощение и удешевление процесса. 3 н. и 25 з.п. ф-лы, 3 ил., 2 табл.

ОБЪЕДИНЕННОЕ ЭКСТРАГИРОВАНИЕ АММИАЧНЫМ РАСТВОРИТЕЛЕМ И ВОССТАНОВЛЕНИЕ НИКЕЛЯ ВОДОРОДОМ

ÐÎÑÑÈÉÑÊÀß ÔÅÄÅÐÀÖÈß (19) RU (51) ÌÏÊ 7 (11) 2004 119 556 (13) A C 22 C 23/00 ÔÅÄÅÐÀËÜÍÀß ÑËÓÆÁÀ ÏÎ ÈÍÒÅËËÅÊÒÓÀËÜÍÎÉ ÑÎÁÑÒÂÅÍÍÎÑÒÈ, ÏÀÒÅÍÒÀÌ È ÒÎÂÀÐÍÛÌ ÇÍÀÊÀÌ (12) ÇÀßÂÊÀ ÍÀ ÈÇÎÁÐÅÒÅÍÈÅ (21), (22) Çà âêà: 2004119556/02, 28.11.2002 (71) Çà âèòåëü(è): Êüþ Ýí Àé ÒÅÊÍÎËÎÄÆÈ ÏÒÈ ËÒÄ (AU) (30) Ïðèîðèòåò: 29.11.2001 AU PR 9177 (43) Äàòà ïóáëèêàöèè çà âêè: 27.03.2005 Áþë. ¹ 9 (74) Ïàòåíòíûé ïîâåðåííûé: Åãîðîâà Ãàëèíà Áîðèñîâíà (86) Çà âêà PCT: AU 02/01615 (28.11.2002) Àäðåñ äë ïåðåïèñêè: 129010, Ìîñêâà, óë. Á.Ñïàññêà , 25, ñòð.3, ÎÎÎ "Þðèäè÷åñêà ôèðìà Ãîðîäèññêèé è Ïàðòíåðû", ïàò.ïîâ. Ã.Á. Åãîðîâîé (54) ÎÁÚÅÄÈÍÅÍÍÎÅ ÝÊÑÒÐÀÃÈÐÎÂÀÍÈÅ ÀÌÌÈÀ×ÍÛÌ ÐÀÑÒÂÎÐÈÒÅËÅÌ È R U Ôîðìóëà èçîáðåòåíè 1. Ñïîñîá ðåãåíåðèðîâàíè ìåòàëëè÷åñêîãî íèêåë â ïðîöåññå ýêñòðàãèðîâàíè ðàñòâîðèòåëåì, âêëþ÷àþùèé ñëåäóþùèå ñòàäèè: (à) ïîëó÷åíèå êîìïëåêñà àììèàêàòà íèêåë ïóòåì îòäåëåíè íèêåë îò ñîäåðæàùåé íèêåëü îðãàíè÷åñêîé ôàçû âûñîêîêîíöåíòðèðîâàííûì ðàñòâîðîì àììèàêà; è (b) âîññòàíîâëåíèå êîìïëåêñà àììèàêàòà íèêåë âîäîðîäîì èç âûñîêîêîíöåíòðèðîâàííîãî ðàñòâîðà àììèàêà äë ïîëó÷åíè ìåòàëëè÷åñêîãî íèêåë â êà÷åñòâå ïðîäóêòà. 2. Ñïîñîá ïî ï.1, â êîòîðîì êîìïëåêñ àììèàêàòà íèêåë ïðåäñòàâë åò ñîáîé êîìïëåêñ êàðáîíàòà àììèàêàòà íèêåë , à âûñîêîêîíöåíòðèðîâàííûé ðàñòâîð àììèàêà ïðåäñòàâë åò ñîáîé âûñîêîêîíöåíòðèðîâàííûé àììèà÷íûé ðàñòâîð êàðáîíàòà àììîíè . 3. Ñïîñîá ïî ï.1, â êîòîðîì êîìïëåêñ àììèàêàòà íèêåë ïðåäñòàâë åò ñîáîé êîìïëåêñ ñóëüôàòà àììèàêàòà íèêåë , à âûñîêîêîíöåíòðèðîâàííûé ðàñòâîð àììèàêà ïðåäñòàâë åò ñîáîé âûñîêîêîíöåíòðèðîâàííûé àììèà÷íûé ðàñòâîð ñóëüôàòà àììîíè . 4. Ñïîñîá ïî ï.1, â êîòîðîì îðãàíè÷åñêóþ ôàçó ïîëó÷àþò â ïðîöåññå ýêñòðàãèðîâàíè ðàñòâîðèòåëåì, ïðè ýòîì îðãàíè÷åñêèé ðåàãåíò èñïîëüçóþò äë ýêñòðàãèðîâàíè èîíîâ íèêåë èç àììèà÷íîãî ðàñòâîðà êàðáîíàòà àììîíè äë ïîëó÷åíè îðãàíè÷åñêîé ôàçû. 5. Ñïîñîá ïî ï.4, â êîòîðîì îðãàíè÷åñêèé ðåàãåíò âûáðàí èç 2-ãèäðîêñè-5-òðåò-íîíèëàöåòîôåíîíîêñèìà, 2-ãèäðîêñè-5-òðåò-íîíèëñàëèöèëàëüäîêñèìà, à òàêæå çàìåùåííûõ àëêèëîì, àðèëîì è ãàëîãåíîì áåòà-äèêåòîíîâ. ...

Process for separating and recovering metals

A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions sufficient to dissolve the group VIB metal and the Group VIII metal into the leaching solution, forming a leach slurry. After solid-liquid separation to recover a leach solution, chemical precipitation and solids repulping is carried out to obtain an effluent stream containing ammonium sulfate (Amsul), ammonium sulfamate, Group VB, Group VIB and Group VIII metals. Following sulfidation, the Group VIII metal is fully removed and Group VB and Group VI metals are partially removed from the Amsul stream. In the additional steps of oxydrolysis and iron precipitation, an effective amount of ferric ion at a pre-select pH is added to form insoluble complexes with the Group VB and Group VIB metals, which upon liquid-solid separation produces an effluent ammonium sulfate stream containing less than 10 ppm each of the Group VB and Group VIB metals.

Processes for extraction of nickel with iron-complexing agent

The invention provides, in part, a process for extracting nickel from a source material including iron and nickel, by contacting the source material (e.g, an ultramafic ore) with an aqueous ammonia solution containing an iron-complexing agent (e.g., citrate) under suitable conditions, thereby extracting the nickel. The aqueous ammonia solution may optionally contain a sulfur-containing reductant, such as thiosulfate.

Chemical Dismantling Of Permanent Magnet Material And Battery Material

Certain method embodiments are described and useful for recycling permanent magnet materials (e.g. permanent magnet alloys) and battery materials (e.g. battery electrode materials) to extract critical and/or valuable elements including REEs, Co and Ni. Method embodiments involve reacting such material with at least one of an ammonium salt and an iron (III) salt to achieve at least one of a liquid phase chemical reaction and a mechanochemical reaction. 1. A method for dismantling a material comprising at least one of a rare earth metal , cobalt , and nickel , wherein the rare earth metal includes at least one of Sc , Y , La , Ce , Pr , Nd , Sm , Eu , Gd , Tb , Dy , Ho , Er , Tm , Yb , and Lu , comprising the step of reacting the material with at least one of an ammonium salt and iron (Ill) salt using at least one of liquid phase chemical reaction or a mechanochemical reaction.2. The method of wherein the dismantling is carried out a temperature from room temperature to about 100° C.3. The method of where the dismantling is carried in the absence of water or another solvent using mechanical milling in the presence of at least one of the ammonium salt and iron (Ill) salt at room temperature to achieve a mechanochemical solid state reaction.4. The method of where the dismantling is carried in the presence of water and of at least one of the ammonium salt and iron (III) salt using mechanical milling at room temperature to achieve the mechanochemical reaction.5. The method of where the dismantling is carried in an aqueous environment or in a solution containing water as one component.6. The method of where the dismantling is carried in aqueous environment at a temperature from room temperature to about 100° C. after mechanical milling of the material together with the salt.7. The method of wherein the material comprises at least one of a permanent magnet alloy and a battery alloy containing at least one of the rare earth metal claim 1 , cobalt and nickel.8. The method of ...

Process, apparatus, and system for recovering materials from batteries

An apparatus for carrying out size reduction of battery materials under immersion conditions can include a housing configured to hold an immersion liquid comprising at least one of sodium hydroxide and calcium hydroxide. A first feed chute may define an opening therein for receiving battery materials of a first type into the housing and a first submergible comminuting device may be disposed within the housing and submerged in the immersion liquid to receive the battery materials of the first type from the first feed chute. The first submergible comminuting device may be configured to cause a size reduction of the battery materials of the first type to form a first reduced-size battery material.

Process, apparatus, and system for recovering materials from batteries

An apparatus for carrying out size reduction of battery materials under immersion conditions can include a housing configured to hold an immersion liquid comprising at least one of sodium hydroxide and calcium hydroxide. A first feed chute may define an opening therein for receiving battery materials of a first type into the housing and a first submergible comminuting device may be disposed within the housing and submerged in the immersion liquid to receive the battery materials of the first type from the first feed chute. The first submergible comminuting device may be configured to cause a size reduction of the battery materials of the first type to form a first reduced-size battery material.

PROCESSES FOR RECOVERING NON-FERROUS METALS FROM SOLID MATRICES

The present invention relates to a process for recovering non-ferrous metals from a solid matrix comprising the following phases: 1. A process for recovering non-ferrous metals from a solid matrix , the process comprising the phases of:(a) leaching the solid matrix with an aqueous-based solution containing chloride ions and ammonium ions and having a pH within a range of 6.5-8.5, in a presence of oxygen, at a temperature ranging from 100° C. to 160° C. and a pressure within a range of 150 kPa-800 kPa, so as to obtain an extraction solution comprising leached metals and solid leaching residue;(b) separating the solid leaching residue from the extraction solution; and(c) subjecting the extraction solution to at least one cementation so as to recover the leached metals in elemental state.2. The process of claim 1 , wherein the at least one cementation is effected in a plurality of cementation steps in series claim 1 , obtaining from each of the steps a metallic cement claim 1 , containing a metal or a combination of metals claim 1 , and a supernatant solution which is fed to a subsequent cementation step and subjected to further cementation.3. The process of claim 2 , wherein in each of the cementation steps claim 2 , a precipitating metal is added in excess with respect to the metal or the combination of metals to be precipitated.4. The process of claim 3 , wherein a same precipitating metal is added in each of the cementation steps.5. The process of claim 3 , wherein in at least one of the cementation steps claim 3 , the precipitating metal comprises a metallic cement obtained from a subsequent cementation step.6. The process of claim 3 , wherein the supernatant solution obtained from a last cementation step is subjected to electrolysis with recovery of the precipitating metal in elemental state and formation of a regenerated electrolytic solution.7. The process of claim 6 , wherein the regenerated electrolytic solution is used in the phase (a) as the leaching ...

SOLUTION FOR USE IN EXTRACTION OF COBALT, COBALT SOLUTION, AND METHOD FOR COLLECTING COBALT

The purpose of the present invention is to provide a solution for use in the extraction of cobalt, whereby it becomes possible to extract cobalt at lower cost and more safely compared with a case in which a conventional one is used. The solution for use in the extraction of cobalt according to the present invention comprises: an ionic liquid containing a quaternary ammonium group; and an organic solvent which exists in such a state that the organic solvent is mixed with the ionic liquid and which has a kauri-butanol value of 60 or more. 1. A solution for use in extraction of cobalt , comprising:an ionic liquid containing a quaternary ammonium group; andan organic solvent that is present in a state of being mingled with the ionic liquid and has a kauri-butanol value of 60 or more.2. A solution for use in extraction of cobalt according to claim 1 , wherein the solution comprises the organic solvent at a volume ratio of 2% or more and 50% or less.3. A solution for use in extraction of cobalt according to claim 1 , wherein the solution comprises the organic solvent at a volume ratio of 5% or more and 15% or less.4. A solution for use in extraction of cobalt according to claim 1 , wherein the organic solvent comprises an alkylbenzene derivative or toluene.5. A solution for use in extraction of cobalt according to claim 1 , wherein the ionic liquid comprises tri-octyl-methyl-ammonium-chloride (TOMAC) or di-octadecyl-di-methyl-ammonium-chloride.6. A solution for use in extraction of cobalt according to claim 1 , wherein the solution has a viscosity of 0.02 Pa·s or more and 0.5 Pa·s or less.7. A solution for use in extraction of cobalt according to claim 1 , wherein the solution has a solubility in water of 0.01% or less.8. A cobalt solution claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'the solution for use in extraction of cobalt of ; and'}an aqueous solution of cobalt and an acid containing chlorine, the aqueous solution being dissolved in the ...

METHOD FOR RECOVERING METALS

The invention relates to a method and apparatus for recovering metals from metalliferous starting materials comprising steps of 1. A method for recovering metals from metalliferous starting materials comprising steps ofi) leaching the metalliferous starting material in chloride-based leaching liquor,ii) withdrawing from the leaching step i) aqueous chloride solution with dissolved metals,iii) recovering metal value from the aqueous chloride solution in a metal recovery process step,iv) neutralizing hydrogen chloride content of the aqueous chloride solution in the metal recovery process step with adding hydrolyzed ammonia to the process solution so as to form ammonium chloride,v) withdrawing ammonium chloride containing process solution to an ammonium regeneration step where calcium-containing reagent is added to generate calcium chloride and ammonia gas and recycling ammonia back to the metal recovery process step iii),{'sub': 2', '2', '4, 'vi) regenerating the CaCl-solution with HSOso as to provide a aqueous HCl solution for recycling to the leaching step i).'}2. The method according to claim 1 , wherein the starting material is selected from the group consisting of base metals such as nickel- and cobalt-containing laterite ores claim 1 , copper claim 1 , cobalt claim 1 , nickel metal-bearing raw materials claim 1 , oxidized metalliferous material containing for example nickel claim 1 , cobalt and copper claim 1 , nickelferous sulphide material containing at least one other metal selected from the group consisting of cobalt claim 1 , copper and iron claim 1 , NiS precipitate claim 1 , nickel matte claim 1 , aqueous metal sulphate-containing solution the metals being selected from the group consisting of cobalt claim 1 , copper claim 1 , nickel and iron claim 1 , nickel sulphide concentrate and mixtures thereof.3. The method according to claim 1 , wherein the temperature in the leaching step is between 80° C. and the boiling point of the solution claim 1 , typically ...

SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and an ammonia leach medium, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and performing a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream. 1. A method comprising:leaching a slurry comprising a copper bearing material and an ammonia leach medium;adding copper powder to the slurry;separating the slurry into a pregnant leach solution and solids; andperforming a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream.2. The method of claim 1 , further comprising:producing a cobalt precipitate from a raffinate produced by solvent extraction; andsubjecting the cobalt precipitate to a metal recovery process.3. The method of claim 1 , further comprising wet grinding the copper bearing material prior to the leaching.4. The method of claim 1 , wherein the leaching is performed in the presence of sulfur dioxide gas.5. The method of claim 1 , further comprising adding ammonium hydrosulfide to the raffinate produced by solvent extraction.6. The method of claim 4 , wherein the leaching is performed in the presence of air.7. The method of claim 1 , subjecting the loaded aqueous stream to electrowinning to yield copper metal at a cathode.8. The method of claim 1 , wherein the solvent extraction comprises subjecting the pregnant leach solution to a copper specific extracting reagent.9. The process of claim 1 , wherein the solvent extraction comprises a scrubbing an organic phase with a weak acid.10. The process of claim 9 , wherein the weak acid is carbonic acid.11. The process of claim 10 , wherein the carbonic acid is added through dissolving carbon dioxide in water.12. The process of claim 5 , subjecting the loaded aqueous stream to electrowinning.13. A system comprising:a wet grinding apparatus ...

SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and a leach medium comprising ammonia and ammonium carbonate, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and performing a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream. 1. A method comprising:leaching a slurry comprising a copper bearing material and a leach medium comprising ammonia and ammonium carbonate;adding copper powder to the slurry;separating the slurry into a pregnant leach solution and solids; andperforming a solvent extraction on the pregnant leach solution to produce a loaded aqueous stream.2. The method of claim 1 , further comprising:producing a cobalt precipitate from a raffinate produced by solvent extraction; andsubjecting the cobalt precipitate to a metal recovery process.3. The method of claim 1 , wherein the leach medium further comprises ammonium sulfate.4. The method of claim 1 , further comprising:producing a cobalt precipitate and a cobalt depleted liquid phase from a raffinate produced by solvent extraction; andadding a portion of the cobalt depleted liquid phase to the slurry during leaching.5. The method of claim 1 , further comprising subjecting the pregnant leach solution to a solvent extraction to yield a loaded aqueous stream.6. The method of claim 5 , wherein an extraction of the solvent extraction yields a cobalt-bearing raffinate.7. The method of claim 6 , precipitating cobalt from the cobalt-bearing raffinate.8. The method of claim 7 , wherein the precipitating yields cobalt sulfide in a solid phase.9. The method of claim 8 , wherein the cobalt sulfide is subjected to leaching.10. The method of claim 5 , subjecting the loaded aqueous stream to electrowinning.11. A system comprising:a wet grinding apparatus configured to grind a metal bearing material;a basic leaching vessel ...

Processes for recovering non-ferrous metals from solid matrices

A process for recovering non-ferrous metals from a solid matrix may include: (a) leaching the solid matrix with an aqueous-based solution containing chloride ions, ammonium ions, and Cu 2+ ions, having a pH of 6.5-8.5, in a presence of oxygen, at a temperature of 100° C.-160° C. and a pressure of 150 kPa-800 kPa, so as to obtain an extraction solution comprising leached metals and solid leaching residue; (b) separating the solid leaching residue from the extraction solution; and/or (c) subjecting the extraction solution to at least one cementation so as to recover the leached metals in elemental state. The pH may be greater than or equal to 6.5 and less than or equal to 8.5. Temperature may be greater than or equal to 100° C. and less than or equal to 160° C. Pressure may be greater than or equal to 150 kPa and less than or equal to 800 kPa.

SYSTEMS AND METHODS FOR METAL RECOVERY

Various embodiments provide a process roasting a metal bearing material under oxidizing conditions to produce an oxidized metal bearing material, roasting the oxidized metal bearing material under reducing conditions to produce a roasted metal bearing material, and leaching the roasted metal bearing material in a basic medium to yield a pregnant leach solution. 1. (canceled)2. A process comprising:roasting a metal bearing material comprising a copper carbonate under oxidizing conditions;roasting the metal bearing material under reducing conditions;leaching the metal bearing material in a basic medium to yield a pregnant slurry; andforwarding the pregnant slurry to a CCD circuit to yield a pregnant leach solution.3. The process of claim 2 , wherein the basic medium comprises at least one of ammonia claim 2 , ammonium carbonate and ammonium sulfate.4. The process of claim 2 , wherein the oxidizing conditions comprise an oxygen gas containing atmosphere.5. The process of claim 2 , wherein the reducing conditions comprise a hydrogen gas containing atmosphere.6. The process of claim 2 , further comprising subjecting the pregnant leach solution to a solution extraction process to yield a loaded aqueous stream.7. The process of claim 6 , wherein an extraction stage of the solution extraction yields a cobalt-bearing raffinate.8. The process of claim 7 , further comprising precipitating cobalt from the cobalt-bearing raffinate.9. The process of claim 8 , wherein the precipitating yields cobalt sulfide.10. The process of claim 9 , wherein the cobalt sulfide is subjected to leaching.11. The process of claim 6 , subjecting the loaded aqueous stream to electrowinning.12. The process of claim 2 , wherein the copper carbonate comprises at least one of azurite and malachite.13. A process comprising:oxidizing a metal bearing material comprising a copper carbonate to produce an oxidized metal bearing material;reducing the oxidized metal bearing material to produce a roasted metal ...

METHOD FOR RECOVERING METALS FROM WASTE ALUMINUM CATALYST

The present invention refers to a method being easy to recover metals including nickel and aluminum from waste aluminum catalysts, thereby entirely promoting the recovering rate. Said method comprises: preparing and roasting a waste aluminum catalyst with sodium salts, and then obtaining a first solution comprising vanadium and molybdenum, and a dreg comprising nickel and aluminum through leaching and filtrating; collecting and mixing the dreg with alkali powders to obtain a mixture of the dreg and alkali powders, roasting the mixture at 300 to 1000° C. with aluminum in the dreg reacting with hydroxyl generated from the roasting of mixture and further generating aluminum hydroxide, and then obtaining a second solution comprising aluminum and a concentrate having nickel through another leaching and filtrating; and recovering aluminum from the second solution and recovering nickel from the concentrate. 1. A method for recovering metals from waste aluminum catalysts , comprising:preparing and roasting a waste aluminum catalyst with sodium salts, and then obtaining a first solution and a dreg through leaching and filtrating, wherein the first solution comprises vanadium and molybdenum, and the dreg comprises nickel and aluminum;collecting and mixing the dreg with alkali powders to obtain a mixture of the dreg and the alkali powders, roasting the mixture at 300 to 1000° C. with aluminum in the dreg reacting with hydroxyl generated from the roasting of the mixture and further generating aluminum hydroxide, and then obtaining a second solution and a concentrate through leaching and filtrating, wherein the second solution comprises aluminum and the concentrate comprises nickel; andrecovering aluminum and nickel by precipitating aluminum and nickel from the second solution and the concentrate respectively.2. The method for recovering metals from waste aluminum catalysts as claimed in claim 1 , wherein a weight ratio between the drug and the alkali powder is 0.1:1 to 1:1.3. ...

SYSTEMS AND METHODS FOR METAL RECOVERY

Various embodiments provide a process roasting a metal bearing material under oxidizing conditions to produce an oxidized metal bearing material, roasting the oxidized metal bearing material under reducing conditions to produce a roasted metal bearing material, and leaching the roasted metal bearing material in a basic medium to yield a pregnant leach solution. 1. (canceled)2. A process comprising:roasting a metal bearing material comprising a copper carbonate under oxidizing conditions;roasting the metal bearing material under reducing conditions, at a temperature of about 475° C. or greater; andleaching the metal bearing material in a basic medium to yield a pregnant leach solution.3. The process of claim 2 , wherein the basic medium comprises at least one of ammonia claim 2 , ammonium carbonate and ammonium sulfate.4. The process of claim 2 , wherein the oxidizing conditions comprise an oxygen gas containing atmosphere.5. The process of claim 2 , wherein the reducing conditions comprise a hydrogen gas containing atmosphere.6. The process of claim 2 , further comprising subjecting the pregnant leach solution to a solution extraction process to yield a loaded aqueous stream.7. The process of claim 6 , wherein an extraction stage of the solution extraction yields a cobalt-bearing raffinate.8. The process of claim 7 , further comprising precipitating cobalt from the cobalt-bearing raffinate.9. The process of claim 8 , wherein the precipitating yields cobalt sulfide.10. The process of claim 9 , wherein the cobalt sulfide is subjected to leaching.11. The process of claim 6 , subjecting the loaded aqueous stream to electrowinning.12. The process of claim 2 , wherein the copper carbonate comprises at least one of azurite and malachite.13. A process comprising:oxidizing a metal bearing material comprising a copper carbonate to produce an oxidized metal bearing material;reducing the oxidized metal bearing material at a temperature of about 475° C. or greater to produce a ...

PROCESS FOR SEPARATING AND RECOVERING METALS

A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions sufficient to dissolve the group VIB metal and the Group VIII metal into the leaching solution, forming a leach slurry. After solid-liquid separation to recover a leach solution, chemical precipitation and solids repulping is carried out to obtain an effluent stream containing ammonium sulfate (Amsul), ammonium sulfamate, Group VB, Group VIB and Group VIII metals. Following sulfidation, the Group VIII metal is fully removed and Group VB and Group VI metals are partially removed from the Amsul stream. In the additional steps of oxydrolysis and iron precipitation, an effective amount of ferric ion at a pre-select pH is added to form insoluble complexes with the Group VB and Group VIB metals, which upon liquid-solid separation produces an effluent ammonium sulfate stream containing less than 10 ppm each of the Group VB and Group VIB metals. 1. A method for recovering metals from a spent catalyst , the method comprising:leaching a Group VIB metal, a Group VIII metal, and a Group VB metal, from the spent catalyst with an ammonia containing leach solution at a temperature and a pressure sufficient to form a pressure leach slurry;separating and removing a solid residue from the pressure leach slurry to form a pressure leach solution comprising a Group VIB soluble metal complex and a Group VIII soluble metal complex;treating the pressure leach solution by chemical precipitation to precipitate at least a portion of the Group VIB metal and at least a portion of the Group VIII metal as precipitated metal complexes;recovering the precipitated metal complexes by at least a separation means selected from settling, filtration, decantation, centrifugation and combinations thereof, forming a first effluent stream containing less than 600 ppm of the Group ...

FLOTATION REAGENTS AND FLOTATION PROCESSES UTILIZING SAME

Methods of enhancing recovery of value sulfide or precious minerals from an ore containing Mg-silicate, slime forming minerals, and/or clay by subjecting the ore to a flotation process performed under acidic conditions, in conjunction with the addition of a froth phase modifier agent to the ore, are provided herein. 2. A method according to claim 1 , wherein the polymer further comprises one or more hydrophobic group selected from the group consisting of aromatic hydrocarbons; C-Chydrocarbons; alkyl or aryl esters; and alkyl or aryl ethers.3. A method according to claim 2 , wherein said ester is one or more member selected from the group consisting of: vinyl acetate claim 2 , vinyl formate claim 2 , vinyl propionate claim 2 , vinyl butyrate claim 2 , and vinyl isobutyrate.4. A method according to claim 2 , wherein said alkyl ether is one or more member selected from the group consisting of: butyl vinyl ether claim 2 , ethyl vinyl ether claim 2 , and methyl vinyl ether.5. A method according to claim 2 , wherein the C-Chydrocarbon is selected from the group consisting of N-hexyl acrylamide; N-propyl acrylamide; and N claim 2 ,N-dipropyl acrylamide.6. A method according to claim 1 , wherein the froth phase modifier is a polymer selected from the group consisting ofpoly(styrene-co-maleic anhydride-co-2-acrylamido-2-methyl-1-propanesulfonic acid),poly(allyl sulfonate-co-maleic anhydride),hydroxamated poly(acrylamide-co-vinylphosphonic acid),poly(acrylic acid-co-vinylphosphonic acid),poly(2-acrylamido-2-methyl-1-propanesulfonic acid-co-vinylphosphonic acid),silane- and tert-octylamine modified poly(N-vinylpyrrolidone-co-maleic anhydride),3-aminopropyltriethoxysilane modified poly(styrene-co-maleic anhydride),3-aminopropyltriethoxysilane modified poly(styrene-co-maleic anhydride-co-acrylic acid),hydroxamated poly(acrylamide-co-2-acrylamido-2-methyl-1-propanesulfonic acid),and combinations thereof.7. A method according to claim 1 , wherein said froth phase modifier is added ...

PROCESS FOR RECOVERY OF COBALT, RUTHENIUM, AND ALUMINUM FROM SPENT CATALYST

A method for recovering cobalt, ruthenium, and aluminum from spent Co—Ru/AlOcatalyst. First, Co—Ru/AlOspent catalyst is subjected to hydrocarbon removal, reaction with hydrogen, and alkali fusion to obtain a slag. The slag is subjected to acid leaching, precipitation of cobalt with oxalic acid or ammonium oxalate, reduction of cobalt oxalate, and dissolution of cobalt metal with nitric acid to obtain Co(NO).6HO. The effluent of acid leaching is subjected to reaction with ethanol, filtration to obtain a filtrate and residue, dissolution of the residue with concentrated hydrochloric acid, and vacuum distillation to obtain β-RuCl.xHO. Aluminum hydroxide is prepared from the filtrate through carbonation and calcination. The cobalt yield is ≧97%; the ruthenium yield is ≧95%, and the aluminum yield is ≧92%. 2. The method of claim 1 , wherein:{'sub': 3', '3, 'the alkali fusing agents of 3) are KOH and KNO, or NaOH and NaNO;'} [{'br': None, 'sub': 2', '3', '2', '4', '2', '2, 'RuO+2KOH+KNO→KRuO+KNO+HO;'}, {'br': None, 'sub': 3', '2', '4', '2', '2, 'Ru+2KOH+3KNO→KRuO+3KNO+HO; and'}, {'br': None, 'sub': 2', '3', '2', '2, 'AlO+2KOH→2KAlO+HO;'}, {'br': None, 'Or'}, {'br': None, 'sub': 2', '3', '2', '4', '2', '2, 'RuO+2NaOH+NaNO→NaRuO+NaNO+HO;'}, {'br': None, 'sub': 3', '2', '4', '2', '2, 'Ru+2NaOH+3NaNO→NaRuO+3NaNO+HO; and'}, {'br': None, 'sub': 2', '3', '2', '2, 'AlO+2NaOH→2NaAlO+HO; and'}], 'the reactions occurring in 3) arean amount of the alkali fusing agents used is 2.5 times a theoretical amount thereof.3. The method of claim 1 , wherein:the alkali fusion reaction in 3) is layered alkali fusion containing four layers;{'sub': 3', '3, 'from a bottom of the crucible upward, ⅔ of a total amount of KOH, the heated powders of 2), ⅓ of the total amount of KOH, and KNOare disposed into layers; or from the bottom of the crucible upward, ⅔ of a total amount of NaOH, the heated powders of 2), ⅓ of the total amount of NaOH, and NaNOare disposed into layers; and'}{'sub': '4', 'layered ...

SYSTEMS AND METHODS FOR IMPROVED METAL RECOVERY USING AMMONIA LEACHING

Systems and methods for basic leaching are provided. In various embodiments, a method is provided comprising leaching a slurry comprising a copper bearing material and an ammonia leach medium, adding copper powder to the slurry, separating the slurry into a pregnant leach solution and solids, and performing a solvent extraction on the pregnant leach solution to produce an loaded aqueous stream. 1. (canceled)2. A method comprising:leaching a slurry comprising a metal bearing material and an ammonia leach medium, wherein the metal bearing material comprises copper and cobalt;adding a reducing agent to the slurry, wherein the reducing agent comprises a copper powder, and wherein the reducing agent is added to the slurry such that a stoichiometric ratio of copper to cobalt is greater than 0.5; andseparating the slurry into a pregnant leach solution and solids; and performing a solvent extraction on the pregnant leach solution to produce a loaded aqueous stream.3. The method of claim 2 , wherein the stoichiometric ratio of copper to cobalt is between about 4 and about 12.4. The method of claim 3 , wherein the stoichiometric ratio of copper to cobalt is about 8.5. The method of claim 2 , further comprising: producing a cobalt precipitate from a raffinate produced by the solvent extraction; and subjecting the cobalt precipitate to a metal recovery process.6. The method of claim 5 , further comprising adding ammonium hydrosulfide to the raffinate produced by the solvent extraction.7. The method of claim 2 , subjecting the loaded aqueous stream to electrowinning.8. The method of claim 2 , further comprising wet grinding the metal bearing material prior to the leaching.9. The method of claim 2 , further comprising adding sulfur dioxide gas to the slurry.10. The method of claim 9 , further comprising adding air to the slurry.11. The method of claim 2 , wherein the solvent extraction comprises subjecting the pregnant leach solution to a copper specific extracting reagent.12. ...

METHOD FOR CRUSHING HARD TUNGSTEN CARBIDE SCRAPS

Provided are a method for crushing hard tungsten carbide (WC) scraps which is a pre-step of alkaline leaching and acid leaching processes for recycling of tungsten and cobalt, the method including mixing hard tungsten carbide (WC) scraps such as chips, wires, bolts, drills, etc., that are metalworking tools to be discarded after being used, with aluminum, followed by heating to a high temperature, to form an intermetallic compound, metal oxides, or mixtures thereof in a sponge form, and crushing the intermetallic compound, the metal oxides, or the mixtures thereof in a sponge form. Further, provided is a method for recovering tungsten and cobalt from hard tungsten carbide (WC) scrap powder through alkaline leaching and acid leaching methods, 1. A method for crushing hard tungsten carbide (WC) scraps comprising:(a) a step of mixing hard tungsten carbide (WC) scraps with aluminum particles;(b) a step of forming an intermetallic compound, metal oxides, or mixtures thereof in a sponge form by heating the mixture obtained from step (a) to 1200 □ to 1400 □ and maintaining the mixture for 30 to 120 minutes; and(c) a step of crushing a product of step (b).2. The method of claim 1 , wherein step (b) is performed in air.3. The method of claim 1 , wherein step (b) is performed under oxygen-free atmosphere.4. The method of claim 3 , wherein the oxygen-free atmosphere is one or two or more gaseous atmosphere selected from the group consisting of nitrogen claim 3 , argon claim 3 , helium claim 3 , and neon.5. The method of claim 1 , wherein in step (a) claim 1 , 30 to 95 wt % of the hard tungsten carbide (WC) scraps are mixed with 5 to 70 wt % of the aluminum particles.6. The method of claim 1 , wherein in step (c) claim 1 , the product of step (b) is cooled to room temperature and then claim 1 , crushed into a size having a diameter of 0.5 mm or less.7. A method for recovering tungsten and cobalt from hard tungsten carbide (WC) scrap comprising:(a) a step of mixing hard tungsten ...

METHOD FOR MANUFACTURING CATALYSTS WITH REDUCED ATTRITION

The present invention discloses an inventive method for manufacturing a catalyst using alloy granules having a high-Ni content. The inventive method may include providing alloy granules comprising aluminum and nickel, and treating the alloy granules with an alkaline solution to form the catalyst. A content of the nickel in the alloy granules may be within a range of about 43 wt % to about 60 wt %. The alloy granules may have effective diameters within a range of about 1 mm to about 10 mm. The catalyst may have an attrition value of less than about 7.0%. 1. A method for manufacturing a catalyst , comprisingproviding alloy granules comprising aluminum and nickel, andtreating the alloy granules with an alkaline solution to form the catalyst,wherein a content of the nickel in the alloy granules is within a range of about 43 wt % to about 60 wt %.2. The method of claim 1 , wherein the alloy granules have effective diameters within a range of about 1 mm to about 10 mm.3. The method of claim 1 , wherein the content of the nickel in the alloy granules is within a range of about 45 wt % to about 58 wt %.4. The method of claim 1 , wherein the content of the nickel in the alloy granules is within a range of about 50 wt % to about 56 wt %.5. The method of claim 1 , wherein the content of the nickel in the alloy granules is within a range of about 50 wt % to about 53 wt %.6. The method of claim 1 , wherein the alloy granules have effective diameters within a range of about 2 mm to about 6 mm.7. The method of claim 1 , wherein the alkaline solution comprises sodium hydroxide.8. The method of claim 7 , wherein a concentration of the sodium hydroxide in the alkaline solution is within a range of 1 wt % to 20 wt %.9. The method of claim 7 , wherein a concentration of the sodium hydroxide in the alkaline solution is within a range of 1 wt % to 15 wt %.10. The method of claim 7 , wherein a concentration of the sodium hydroxide in the alkaline solution is within a range of 1 wt % to 10 ...

Flotation reagents and flotation processes utilizing same

FIELD: chemistry. SUBSTANCE: present invention relates to floatation reagents and a method of froth flotation for improved extraction of valuable sulphide minerals and precious metals from ores, silicate-containing Mg, slime forming minerals and/or clay. Method of enhancing recovery of a value sulphide and/or precious-metal mineral from an ore, containing said mineral and/or precious-metal mineral and one or more of Mg silicate, slime forming minerals and/or clay comprises adding to one or more stage of froth flotation process performed under acidic conditions, a froth phase modifier. Froth phase modifier is a polymer, including one or more functional groups, selected from a group, consisting of sulphonate groups or corresponding acids, phosphate groups or corresponding acids, phosphonic groups or corresponding acids, phosphinate groups or corresponding acids, hydroxamate groups or corresponding acids, silane groups and silanol groups. EFFECT: technical result is higher extraction of valuable sulphide minerals and/or precious-metal minerals from said ore. 15 cl, 12 tbl, 65 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 612 760 C2 (51) МПК B03D 1/016 (2006.01) B03D 1/02 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ФОРМУЛА (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ 2014132897, 16.07.2009 (24) Дата начала отсчета срока действия патента: 16.07.2009 Дата регистрации: Приоритет(ы): (30) Конвенционный приоритет: (43) Дата публикации заявки: 27.02.2016 Бюл. № 6 (45) Опубликовано: 13.03.2017 Бюл. № 8 2 6 1 2 7 6 0 R U (56) Список документов, цитированных в отчете о поиске: US 5533626 А, 09.07.1996. RU 2139147 C1, 10.10.1999. RU 2140329 C1, 27.10.1999. SU 144124 A1, 01.01.1962. RU 2175331 C2, 27.10.2001. US 20060151360 A1, 13.07.2006. US 5126038 A, 30.06.1992. US 4744893 A, 17.09.1988. ПОЛЬКИН С.И. и др., "Обогащение руд цветных металлов", Москва, Недра, 1983, 230-232. (54) ФЛОТАЦИОННЫЕ РЕАГЕНТЫ И СПОСОБ ФЛОТАЦИИ С ИХ ИСПОЛЬЗОВАНИЕМ (57) ...

Floatation reagents and method of flotation with their application

FIELD: chemistry. SUBSTANCE: invention relates to floatation reagents and method of foam floatation with application of floatation reagents for improved extraction of valuable sulfide minerals and precious metals from ores, containing Mg silicates, sludge-forming minerals and/or clay. Method includes the following operations: addition at one or several stages of foam floatation process, realised in alkaline conditions, of foam phase modifier and agent, which amplifies modifier action, representing singly charged ion. Foam phase modifier represents polymer, which includes one or several functional groups, selected from the group, consisting of carboxyl groups or groups, transformed into carboxyl groups as a result of hydrolysis, sulfonate groups or their respective acids, phosphate groups or their respective acids, phosphonate groups or their respective acids, phosphinate groups or their respective acids, hydroxamate groups or their respective acids, silane groups and silanol groups. Composition for increase of extraction of valuable sulfide minerals and/or minerals of precious metals from ore contains: ore, which contains valuable sulfide mineral and/or mineral of precious metals and one or several of Mg silicate, sludge-forming material and/or clay; foam phase modifier, selected from one or several polymers, and one or several collectors selected from one or several compounds from the group, consisting of alkoxycarbonylalkyldithiocarbamate, mercaptobenzothiazole, dialkylthiocarbamate, diaryl- or dialkyldithiophosphate, dialkyldithiophosphinate, alcoxycarbonylalkylthionocarbamate, allylalkylthionocarbamate, ester of allylalkylxanthane and dialkylthionocarbamate. Set for increasing extraction of valuable sulfide minerals and/or minerals of precious metals from ore, subjected to method of foam floatation in alkaline conditions, contains in one or several containers foam phase modifier, collector, one or several agents, which amplify modifier action, representing ...

浮选剂和利用所述浮选剂的浮选法

本发明提供一种提高从包含Mg-硅酸盐、形成矿泥的矿物、和/或粘土的矿石中回收贵重硫化物或贵金属矿物的回收率的方法，通过粉碎所述矿石、研磨该矿石、和使细磨矿石经受浮选法，并结合向该矿石内添加至少一种单价离子改性增强剂和/或泡沫相改性剂来实现该方法。

Process for separating and recovering metals

A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions sufficient to dissolve the group VIB metal and the Group VIII metal into the leaching solution, forming a leach slurry. After solid-liquid separation to recover a leach solution, chemical precipitation and solids repulping is carried out to obtain an effluent stream containing ammonium sulfate (Amsul), ammonium sulfamate, Group VB, Group VIB and Group VIII metals. Following sulfidation, the Group VIII metal is fully removed and Group VB and Group VI metals are partially removed from the Amsul stream. In the additional steps of oxydrolysis and iron precipitation, an effective amount of ferric ion at a pre-select pH is added to form insoluble complexes with the Group VB and Group VIB metals, which upon liquid-solid separation produces an effluent ammonium sulfate stream containing less than 10 ppm each of the Group VB and Group VIB metals.

Metals recovery from spent catalyst

An improved method for recovering metals from spent catalysts, particularly from spent slurry catalysts, is disclosed. The method and associated processes comprising the method are useful to recover catalyst metals used in the petroleum and chemical processing industries. The method generally involves a pyrometallurgical method and a hydrometallurgical method and includes forming a soda ash calcine of a caustic leach residue of the spent catalyst containing an insoluble Group VIII/Group VIB/Group VB metal compound combined with soda ash, and extracting and recovering soluble Group VIB metal and soluble Group VB metal compounds from the soda ash calcine.

Process for recovering molybdenum, vanadium, cobalt and nickel from roasted products of used catalysts from hydrotreatment desulfurization of petroleum

From roasted products of used catalysts from hydrotreatment desulfurization of petroleum, valuable molybdenum, vanadium, cobalt and nickel are recovered easily and a high percent recovery by means of a combination of simple chemical procedures and also inexpensive chemicals. The recovered metal components can be reused for preparing new catalysts and the like.

Extracting cobalt from spent hydroprocessing catalysts with cyanide

A process is disclosed for recovery of cobalt from spent catalyst particles. The particles are roasted, leached with an ammonia/ammonium salt leach solution and then leached with a cyanide ion leach solution.

Leaching cobalt from spent hydroprocessing catalysts with sulfur dioxide

A process for enhancing recovery of cobalt from spent hydroprocessing catalysts when the spent catalyst particles are first roasted at between 400° C. and 600° C. and then contacted with a first aqueous solution of ammonia and an ammonium salt to recover nickel, cobalt, molybdenum and vanadium. The once-leached spent hydroprocessing catalysts are contacted with a second aqueous solution of sulfur dioxide. The metal values are precipitated with hydrogen sulfide and the precipitate is roasted with unroasted spent hydroprocessing catalysts.

Recovering metals from spent hydroprocessing catalysts

A process for recovering the metal values from spent hydroprocessing catalyst particles. The metal values will include at least one metal of Group VIII of the Periodic Table and at least one metal of Group Vb or Group VIb of the Periodic Table. The spent catalyst particles are first roasted at between 400° C. and 600° C. and then contacted with a first aqueous solution of ammonia and an ammonium salt forming a first pregnant liquor. The once-leached spent hydroprocessing catalysts are contacted with a second aqueous solution of sulfur dioxide forming a second pregnant liquor. The metal values are precipitated from the second pregnant liquor with hydrogen sulfide and the precipitate is roasted with unroasted spent hydroprocessing catalysts. The metal values of Group Vb and Group VIb in the first pregnant liquor are transferred into a first organic solution by liquid ion exchange. The first organic solution is stripped by an aqueous strip solution and the metal values separated by sequential precipitation. The metals of Group VIII are separated and purified by serial liquid ion exchange.

Leaching metals from spent hydroprocessing catalysts with ammonium sulfate

A process for enhancing recovery of metals, especially cobalt, from spent hydroprocessing catalysts when the spent catalyst particles are first roasted at between 400° C. and 600° C. and then contacted with a first aqueous solution of ammonia and an ammonium salt to recover nickel, cobalt, molybdenum, tungsten, and vanadium. The once-leached spent hydroprocessing catalysts are again leached by contacting them with a second aqueous solution of ammonium sulfate at a pH of 1 to 4.

Leaching nickel, cobalt, molybdenum, tungsten, and vanadium from spent hydroprocessing catalysts

A process for removing nickel, cobalt, molybdenum, and vanadium from spent hydroprocessing catalyst particles by roasting the catalyst at between 400° C. and 600° C. and leaching the catalyst particles with an aqueous solution of ammonia and an ammonium salt.

Leaching cobalt, molybdenum, nickel, and vanadium from spent hydroprocessing catalysts

A process is disclosed to extract metal values selected from the group consisting of cobalt, molybdenum, nickel, tungsten, and vanadium from metal-containing particles, such as spent hydroprocessing catalyst particles containing carbon residue. In this process, the spent catalyst particles are roasted in an oxygen-containing gas at a temperature of from 400° C. to 600° C., and then the roasted catalyst particles are contacted with an aqueous solution of ammonia, ammonium salt, and hydrogen peroxide. That aqueous solution has an initial pH of at least 9.5 and an initial hydrogen peroxide concentration of from 0.02 to 0.2 M. That aqueous solution is maintained at a pH of greater than 9.5.

Recovering metals from complex metal sulfides

Methods for recovering base metals, including, among other metals, molybdenum and nickel, from metal sulfides containing a Group VIB metal and a Group VIII metal. Generally, the methods comprise: contacting metal sulfides with a leaching solution containing ammonia and air to dissolve the metals into the leaching solution, forming a slurry containing soluble complexes of the metals, ammonium sulphate and solid residue containing ammonium metavanadate and any carbonaceous materials. The solid residue containing ammonium metavanadate and carbonaceous materials is then separated from the slurry and metal complexes are precipitated from the slurry by adjusting the pH. A second slurry may be formed comprising a second solid residue and a primary filtrate comprising ammonium sulfate solution that is substantially free of metals. The second solid residue is separated from the primary filtrate comprising ammonium sulfate by any means suitable for separation of solids from liquids and is then dissolved, at a second pre-selected pH, to form a Group VIB metal precipitate and a Group VIII metal containing solution. Group VIB and Group VIII metals can be easily recovered from the precipitate and solution, respectively. In some embodiments Group VB metals are recovered as well.

Process for separating and recovering metals

A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions sufficient to dissolve the group VIB metal and the Group VIII metal into the leaching solution, forming a leach slurry. After solid-liquid separation to recover a leach solution, chemical precipitation and solids repulping is carried out to obtain an effluent stream containing ammonium sulfate (Amsul), ammonium sulfamate, Group VB, Group VIB and Group VIII metals. Following sulfidation, the Group VIII metal is fully removed and Group VB and Group VI metals are partially removed from the Amsul stream. In the additional steps of oxydrolysis and iron precipitation, an effective amount of ferric ion at a pre-select pH is added to form insoluble complexes with the Group VB and Group VIB metals, which upon liquid-solid separation produces an effluent ammonium sulfate stream containing less than 10 ppm each of the Group VB and Group VIB metals.

Cyclic process for recovering metal values and alumina from spent catalysts

Metal values and alumina are recovered from spent, usually oily, catalysts by oxygen pressure leaching with sodium hydroxide and/or sodium aluminate to dissolve molybdenum, vanadium and/or tungsten and provide a solid, filterable residue containing alumina and cobalt and/or nickel, the residue is digested with sodium hydroxide to give a sodium aluminate solution and a residue enriched in nickel and/or cobalt, alumina is recovered from the sodium aluminate solution as a solid and the remaining supernatant solution is recycled to the oxygen pressure leaching step wherein the alumina content of the aluminate solution is precipitated and a bleed for metals in the aluminate solution is provided.

Leaching cobalt from metal-containing particles

A process is disclosed to extract cobalt and optionally, at least one metal value selected from the group consisting of molybdenum, nickel, tungsten, and vanadium from metal-containing particles, such as spent hydroprocessing catalysts particles containing carbon residue. In this process, the spent catalyst particles are roasted in an oxygen-containing gas at a temperature of from 400 DEG C. to 600 DEG C., and then the roasted catalyst particles are contacted with an aqueous solution of ammonia, ammonium salt, and hydrogen peroxide. The aqueous solution has an initial pH of at least 9.5 and an initial hydrogen peroxide concentration of from 0.02 to 0.2 M. That aqueous solution is maintained at a pH of greater than 9.5.

Recovering metals from complex metal sulfides

Methods for recovering base metals, including, among other metals, molybdenum and nickel, from metal sulfides containing a Group VIB metal and a Group VIII metal. Generally, the methods comprise: contacting metal sulfides with a leaching solution containing ammonia and air to dissolve the metals into the leaching solution, forming a slurry containing soluble complexes of the metals, ammonium sulphate and solid residue containing ammonium metavanadate and any carbonaceous materials. The solid residue containing ammonium metavanadate and carbonaceous materials is then separated from the slurry and metal complexes are precipitated from the slurry by adjusting the pH. A second slurry may be formed comprising a second solid residue and a primary filtrate comprising ammonium sulfate solution that is substantially free of metals. The second solid residue is separated from the primary filtrate comprising ammonium sulfate by any means suitable for separation of solids from liquids and is then dissolved, at a second pre-selected pH, to form a Group VIB metal precipitate and a Group VIII metal containing solution. Group VIB and Group VIII metals can be easily recovered from the precipitate and solution, respectively. In some embodiments Group VB metals are recovered as well.

Metals recovery from spent catalyst

本發明揭示一種用於自廢催化劑(尤其自廢漿料催化劑)回收金屬之改良方法。該方法及包含該方法之相關製程可用於回收石油及化學加工行業中使用之催化劑金屬。該方法通常涉及高溫冶金法及濕法冶金法且包括形成該廢催化劑之苛性鹼瀝濾殘餘物之蘇打灰煅燒產物，該廢催化劑含有與蘇打灰合併之不溶性第VIII族/第VIB族/第VB族金屬化合物；及自該蘇打灰煅燒產物萃取且回收可溶性第VIB族金屬及可溶性第VB族金屬化合物。

Leaching cobalt, molybdenum, nickel, and vanadium from spent hydroprocessing catalysts

내용 없음. No content.

Method for recovering metals

본 발명은, 함금속 (metalliferous) 시작 재료로로부터 금속을 회수하기 위한 방법 및 장치로서, i) 염화물-기반 침출 액에 상기 함금속 시작 재료를 침출시키는 단계; ii) 침출 단계 i) 로부터, 용해된 금속을 갖는 염화물 수용액을 인출하는 단계; iii) 금속 회수 공정 단계에서 상기 염화물 수용액으로부터 금속 유가물 (metal value) 을 회수하는 단계; iv) 가수분해된 암모니아를 공정 용액에 첨가함으로써 상기 금속 회수 공정 단계에서의 상기 염화물 수용액의 염화수소 양을 중화하여, 염화 암모늄을 형성하는 단계; v) 염화 암모늄 함유 공정 용액을, 칼슘-함유 시약을 첨가하여 염화칼슘 및 암모니아 가스를 발생시키는 암모늄 재생 단계에 인출하고, 암모니아를 상기 금속 회수 공정 단계 iii) 으로 다시 재순환시키는 단계; vi) H 2 SO 4 에 의해 CaCl 2 -용액을 재생하여, 침출 단계 i) 로의 재순환을 위한 HCl 수용액을 제공하는 단계를 포함하는, 상기 함금속 시작 재료로로부터 금속을 회수하기 위한 방법 및 장치에 관한 것이다. The present invention relates to a method and apparatus for recovering metal from a metalliferous starting material furnace, comprising the steps of: i) leaching said metal starting material into a chloride-based leach solution; ii) withdrawing from the leaching step i) an aqueous chloride solution with dissolved metal; iii) recovering a metal value from the chloride aqueous solution in a metal recovery process step; iv) neutralizing the amount of hydrogen chloride in the aqueous solution of chloride in the metal recovery process step by adding hydrolyzed ammonia to the process solution to form ammonium chloride; v) withdrawing the ammonium chloride-containing process solution into an ammonium regeneration step wherein calcium-containing reagent is added to generate calcium chloride and ammonia gas, and recirculating ammonia back to said metal recovery process step iii); vi) regenerating the CaCl 2 - solution by H 2 SO 4 , and providing an aqueous HCl solution for recycle to the leaching step i), in a method and apparatus for recovering metal from said furnace starting material furnace .

Method for catalytically extracting vanadium, molybdenum and nickel from waste catalyst

本发明公开了一种催化提取废旧催化剂中钒钼镍的方法，所述方法在常压下将氧化性气体经曝气通入废旧催化剂、硫酸铵溶液和添加剂混合而成的反应浆料中，实现废旧催化剂中钒、钼和镍的同步高效浸出，得到了含有钒、钼和镍的硫酸铵浸出液以及含铝尾渣，实现了废旧催化剂的资源化利用。

Method for separating and recovering metals

重金属、例えば、ＶＩＢ族金属及びＶＩＩＩ族金属を含有する使用済み触媒を処理するための方法が提供される。脱油後の一実施形態では、使用済み触媒は、浸出溶液中にＶＩＢ族金属及びＶＩＩＩ族金属を溶解して浸出スラリーを形成するのに十分な条件下で、アンモニア浸出液によって処理される。浸出液を回収するための固液分離の後、化学的な沈殿及び固形分再パルプ化が実施されると、硫酸アンモニウム（硫安）、スルファミン酸アンモニウム、ＶＢ族、ＶＩＢ族及びＶＩＩＩ族金属を含有する流出流が得られる。硫化の後、該硫安流からＶＩＩＩ族金属は完全に除去され、ＶＢ族及びＶＩ族金属は部分的に除去される。オキシドロリシス及び鉄沈殿の更なるステップでは、予め選択したｐＨにおける有効量の第二鉄イオンがＶＢ族金属及びＶＩＢ族金属と不溶性錯体を形成し、これが、固液分離時に、それぞれ１０ｐｐｍ未満のＶＢ族金属及びＶＩＢ族金属を含有する硫酸アンモニウム流出流を生じさせる。

Method of exuding cobalt, molybdenum, nickel and vanadium from consumed hydrogenated catalyst

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

A process, apparatus, and system for recovering materials from batteries

본 출원은 재충전가능한 리튬 이온 배터리로부터 물질을 회수하여 이를 재활용하는 방법을 제공한다. 상기 방법은 상기 배터리를 크기 축소된 공급물 스트림으로 처리하는 단계; 및 이어서, 일련의 분리, 단리 및/또는 침출 단계를 통해 구리 생성물, 코발트, 니켈 및/또는 망간 생성물 및 리튬 생성물의 회수; 및 철 생성물, 알루미늄 생성물, 흑연 생성물 등의 임의의 회수를 가능하게 하는 단계를 포함한다.또한, 침지 조건하에 배터리의 크기 감소를 수행하기 위한 장치 및 시스템이 또한 제공된다.

Method for manufacturing micro nickel powder using wet reduction method

본 발명은 습식 환원법을 이용하는 미세 니켈 분말 제조방법에 관한 것으로, 상세하게는 종래 환원법과 상이한 1 스텝 공정으로 마이크로미터 단위 사이즈의 구형 중공 그래핀 형태의 미세 니켈 분말을 제조하는 방법에 관한 것이다. 본 발명의 습식 환원법을 이용하는 미세 니켈 분말 제조방법은 기존 습식 공정에 대비하여 대량 생산을 위한 공정 단계를 획기적으로 절감함에 따라 에너지 및 폐수를 절감하고, 미세 니켈 분말을 합성하여 MLCC 및 연료전지, 수전해 전극 등에 활용하기 위한 박형 전극 제조 공정에 쉽게 활용할 수 있는 효과가 있다. The present invention relates to a method for manufacturing fine nickel powder using a wet reduction method, and more particularly, to a method for manufacturing fine nickel powder in the form of spherical hollow graphene having a micrometer unit size in a one-step process different from the conventional reduction method. The method for manufacturing fine nickel powder using the wet reduction method of the present invention reduces energy and wastewater by dramatically reducing the process steps for mass production compared to the existing wet process, and synthesizes fine nickel powder to produce MLCC, fuel cell, and faucet It has the effect that it can be easily used in the manufacturing process of thin electrodes for use in sea electrodes.

Method for mfg. hydrogen-storage alloy for Ni-H alkaline accumulator

目的是提供能飞跃地提高镍-氢碱性蓄电池在低温下的高效放电特性的贮氢合金的制造方法。该方法包括：在60℃以上的碱性处理溶液中浸渍贮氢合金，将合金表面进行碱性处理的第一个工序；在上述碱性处理个工序后，在上述碱性处理溶液中添加pH调整剂和还原剂，使溶液pH达到4～9，将上述贮氢合金表面进行处理的第二个工序；以及在上述第二个工序结束后，将贮氢合金洗净的第三个工序。

Hydromethanation of a carbonaceous feedstock with nickel recovery

The present invention relates to processes for hydromethanating a nickel-containing (and optionally vanadium-containing) carbonaceous feedstock while recovering at least a portion of the nickel content (and optionally vanadium content) originally present in the carbonaceous feedstock.

Hydromethanation of a carbonaceous feedstock with nickel recovery

The present invention relates to processes for hydromethanating a nickel-containing (and optionally vanadium-containing) carbonaceous feedstock while recovering at least a portion of the nickel content (and optionally vanadium content) originally present in the carbonaceous feedstock.

Patent JPS6053730B2

Patent JPS5536692B2

Hydromethanation of a carbonaceous feedstock with nickel recovery

本发明涉及对含镍(和任选含钒)的碳质原料进行加氢甲烷化，同时将至少一部分最初存在于碳质原料中的镍(和任选钒)进行回收的过程。

Process for smelting nickel

The present invention concerns a process for smelting nickel which comprises treating nickel-containing material with a reducing gas to reduce the nickel component contained in the nickel-containing material and thereby produce metallic nickel; soaking the thus-obtained material in an ammoniacal aqueous ammonium salt solution and treating it with oxygen or an oxygen-containing gas in the presence of free ammonia in order to produce an aqueous nickel ammine salt solution; treating coal with the thus-produced aqueous nickel ammine salt solution so that the coal becomes impregnated with the nickel ammine salt; separating and recovering ammonia from the thus-treated coal; gasifying catalytically the coal containing the nickel compound in the presence of a gasifying agent, thereby producing a reducing gas and a solid residue; employing part of the thus-produced reducing gas for the treatment of the nickel-containing material; and separating and recovering metallic nickel from the solid residue.

Hydromethanation of a carbonaceous feedstock with nickel recovery

The present invention relates to processes for hydromethanating a nickel-containing (and optionally vanadium-containing) carbonaceous feedstock while recovering at least a portion of the nickel content (and optionally vanadium content) originally present in the carbonaceous feedstock.

Method for recovering nickel hydroxide and nickel sulfate from multilayer ceramic capacitor sludge

본 발명은 적층형 세라믹콘덴서(Multi-Layer Ceramic Capacitor, MLCC) 공정 슬러지를 파분쇄한후 황산침출하고, 침출잔사 분리 및 여액 분리한 다음 pH 조절하여 수산화니켈을 회수하고, 회수한 수산화니켈에 황산화반응을 더 진행하여 황산니켈을 회수하는 MLCC 공정 슬러지로부터 수산화니켈 및 황산니켈 회수방법을 제공한다. In the present invention, the multi-layer ceramic capacitor (MLCC) process sludge is pulverized, sulfuric acid leached, the leach residue is separated and the filtrate is separated, pH is adjusted to recover nickel hydroxide, and the recovered nickel hydroxide is sulfurized Provided is a method for recovering nickel hydroxide and nickel sulfate from MLCC process sludge in which the reaction is further performed to recover nickel sulfate.

Method for comprehensively recovering valuable elements in aluminum-based petroleum refining catalyst by utilizing reducing gas

本发明公开了一种利用还原性气体实现铝基石油精炼催化剂中有价元素综合回收的方法，该方法采用还原热处理工艺对废催化剂进行预处理，使废催化剂中的三类有价金属元素分别生成可溶于水的铝盐、具有磁性和酸溶性的金属单质镍钴以及既耐酸又耐碱的稀有金属的低价氧化物、单质或者碳化物，从而使需要回收的有价元素化合物的性质差异扩大化，然后利用水溶液或者碱溶液提取氧化铝，再通过磁选或者酸溶液浸出提取镍和钴，并使稀有金属在浸出渣中富集并回收。该方法具有工艺简单合理，所用还原剂经济环保，能够同时实现废催化剂中有价元素的高效分离和综合回收，具有经济效益显著等优点。

Patent JPS5643095B2

Recycle process of high purity nickel from waste nickel sludge using ion exchange resin and reducing agent

PURPOSE: A method for recovery nickel powder of high purity from nickel waste by using an ion exchange resin and a reducing agent is provided to obtain nickel powder of high purity with a simplified method without using an expensive electrolysis device or a heat treatment process. CONSTITUTION: A method for recovery nickel powder of high purity from nickel waste by using an ion exchange resin and a reducing agent includes the following steps of: removing primary impurities from nickel sulphate and waste nickel sulphate which are obtained from nickel sludge; removing secondary impurities by filtering the nickel sulphate with the ion exchange resin; forming a precursor by adding hydrazine as a reducing to the nickel sulphate; and increasing the pH of the precursor at a range of 10-12 and obtaining nickel powder by inducing a reduction reaction by separating liquid and solid from each other. [Reference numerals] (S01) Dissolve nickel sludge and prepare waste nickel sulphate; (S02) Remove impurities-control pH; (S03) Remove impurities-ion exchange resin; (S04) Add a reducing agent-generate a precursor; (S05) Reduction reaction-a pH control agent; (S06) Obtain nickel powder; (S07) Wash; (S08) Dry

The method for extracting nickel, copper using nickeliferous electroplating sludge, nickel dead catalyst, useless nickel slag

本发明采用机械活化磨浸→氨性萃取分离→湿法金属电积的新工艺，既解决了露天焙烧所带来的二次污染问题，还能够使铜、镍等重金属资源得到再生利用。含镍污泥等经过机械活化后磨浸可直接提取其中的铜镍钴等有价金属。完全避免以前火法焙烧、鼓风熔炼的烟尘污染。磨浸过程只产生废弃渣及含有有价金属的浸出液。浸出液经固液分离后进入下级萃取分离工序。浸出渣经蒸汽烘干制成建筑用免烧砖。机械活化磨浸工艺可大大的减少了以前焙烧—鼓风还原的能耗。浸出过程使用氨性溶液浸出，浸出过程使用的氨可在后期的蒸氨过程完全回收，是一种不留“后遗症”的无害化处置方式。

The method of cobalt and manganese in the high manganese waste material of low cobalt is separated and recovered with ammonia ammonium carbonate

本发明公开了一种用氨‑碳酸铵分离回收低钴高锰废料中钴和锰的方法，先对待处理的低钴高锰废料预处理，然后加入氨‑碳酸铵混合溶液，反应结束后，过滤，分别得到钴氨络合物溶液和碳酸锰沉淀，低钴高锰废料中锰以碳酸锰的形式回收；最后从钴氨络合物溶液中回收得到钴。本发明工艺简单，钴和锰的回收率都很高，钴的回收率可以高达95%以上，锰的回收率可以达到99%以上，高值化回收利用了有色金属资源。

PROCESS FOR THE COMPREHENSIVE RECOVERY OF METAL COBALT, RUTHENIUM AND ALUMINUM FROM WASTE CATALYST Co-Ru/Al2O3 IN FISCHER-TROPSCH SYNTHESIS

피셔-트롭쉬 합성에서 Co-Ru/Al 2 O 3 폐촉매제로부터 금속 코발트, 루테늄, 및 알루미늄의 종합적인 회수를 위한 방법이 제공된다. 먼저, 알칼리 용융 단계에서 코발트 슬래그를 효과적으로 분리하기 위하여, 폐촉매제에 탄화수소 제거 및 환원 처리를 거친 후, 코발트 슬래그를 산 침출 단계, 옥살산 또는 암모늄 옥살레이트로 코발트 침전 단계, 코발트 옥살레이트의 환원 단계, 및 질산 등으로 금속 코발트의 용해 단계를 실시하여 Co(NO 3 ) 2 ·6H 2 O를 수득한다. 알칼리 용융, 탈이온수 침출과 같은 단계들에 의해 용해된 루테네이트를 에탄올로 환원 단계, 진한 염산으로 용해 단계, 감압 증류 단계 등을 거쳐 고순도의 β-RuCl 3 ·xH 2 O 생성물을 얻는다. 반응 온도, CO 2 의 유속, 반응의 종료 시점에서 pH값 등과 같은 매개변수를 제어함으로써, 메타-알루미네이트 용액으로부터 CO 2 탄산화에 의해 수산화 알루미늄을 제조하고, 수산화 알루미늄을 소성하여 중국국내기준 1등급의 산화 알루미늄의 품질 요건에 맞는 상품 품질을 갖는 산화 알루미늄을 얻는다. 수득된 생성물은 고수율을 가지며, 코발트≥97%, 루테늄≥95%, 및 알루미늄≥92%이다. A method for the overall recovery of metal cobalt, ruthenium, and aluminum from Co-Ru / Al 2 O 3 waste catalysts in a Fischer-Tropsch synthesis is provided. First, in order to effectively separate the cobalt slag in the alkali melting step, the waste catalyst is subjected to hydrocarbons removal and reduction treatment, and then the cobalt slag is subjected to an acid leaching step, a cobalt precipitation step with oxalic acid or ammonium oxalate, a reduction step with cobalt oxalate, And dissolving the metal cobalt with nitric acid or the like to obtain Co (NO 3 ) 2 .6H 2 O. The ruthenate dissolved by the steps such as alkali melting and deionized water leaching is subjected to a reduction step with ethanol, a dissolution step with concentrated hydrochloric acid, a vacuum distillation step and the like to obtain a high purity β-RuCl 3 .xH 2 O product. Aluminum hydroxide was produced by CO 2 carbonation from a meta-aluminate solution by controlling parameters such as the reaction temperature, the flow rate of CO 2 , the pH value at the end of the reaction, and the aluminum hydroxide was calcined, To obtain aluminum oxide having a product quality meeting the quality requirements of aluminum oxide. The product obtained has a high yield, cobalt ≥97%, ruthenium ≥95%, and aluminum ≥92%.

Method for removing sodium from chloride solutions.

<p>LA PRESENTE INVENCIÓN PROPORCIONA UN MÉTODO PARA REMOVER SODIO DE UNA CORRIENTE DE PROCESO HIDROMETAÚRGICO QUE COMPRENDE CLORURO DE AMONIO, CLORURO DE NÍQUEL, CLORURO DE COBRE, CLORURO DE COBALTO, Y/O CLORURO DE MAGNESIO, COMPRENDIENDO LAS ETAPAS DE: (A) RETIRAR UNA CORRIENTE DE PURGA DE LICORES Y/O SUSPENSIONES DEL PROCESO HIDROMETAÚRGICO DE LA CORRIENTE DEL PROCESO HIDROMETAÚRGICO; (B) EVAPORAR EL AGUA DE LA CORRIENTE DE PURGA PARA OBTENER UNA SOLUCIÓN SATURADA QUE CONTIENE SODIO; (C) CRISTALIZAR UNA PARTE DEL CLORURO DE SODIO COMPRENDIDA EN LA SOLUCIÓN SATURADA QUE CONTIENE SODIO DE DICHA SOLUCIÓN PARA OBTENER UNA SOLUCIÓN AGOTADA DE SODIO; Y (D) DEVOLVER LA SOLUCIÓN AGOTADA DE SODIO A LA CORRIENTE DEL PROCESO HIDROMETAÚRGICO.</p> <p> THE PRESENT INVENTION PROVIDES A METHOD FOR REMOVING SODIUM FROM A HYDROMETURGICAL PROCESS CURRENT THAT INCLUDES AMMONIUM CHLORINE, NICKEL CHLORIDE, COPPER CHLORIDE, COBALT CHLORIDE, AND / OR COMMON PURCHASE ) WITHDRAW A PURGE CURRENT FROM LIQUORS AND / OR SUSPENSIONS FROM THE HYDROMETHURGICAL PROCESS OF THE CURRENT OF THE HYDROMETHURGICAL PROCESS; (B) EVAPORATE THE PURGE CURRENT WATER TO OBTAIN A SATURATED SOLUTION CONTAINING SODIUM; (C) CRYSTALLIZE A PART OF THE SODIUM CHLORIDE INCLUDED IN THE SATURATED SOLUTION CONTAINING SODIUM OF SUCH SOLUTION TO OBTAIN A SOLD OUT SOLUTION OF SODIUM; AND (D) RETURN THE SOLD OUT SOLUTION OF SODIUM TO THE CURRENT OF THE HYDROMETHERTIC PROCESS. </p>

Nickel and cobalt recovery from oxide based ores - with secondary extraction circuit to recover more cobalt

A process for the recovery of Ni and Co from an oxide-based ore consists of: (1) heating the ore in the presence of a reducing agent at temp. high enough to reduce the ore; (2) cooling the reduced ore in an atmos. free from O2 and contacting the ore with an aq. ammoniacal liquor of (NH4)2CO3 to form a sludge; (3) treating the sludge with O2 to dissolve the Ni and Co; (4) separating the sludge into a solid-free phase enriched with Ni and Co and a phase enriched with solid contg. residual Ni and Co; (5) wshing in counter-current the solid-enriched phase with an aq. ammoniacal liquor to produce a first ammoniacal washing liquor free from solids, enriched with residual Ni and Co and a second current enriched in solids, of washed ore free from Ni and Co, cooling the washing liquor and using it as aq. ammoniacal liquor for stage (2); (6) selectively combining the Ni and Co rich phase from (4) with S, using an agent contg. S ions to produce a mixed ppte. of NiS and CoS contg. the greatest part of the Co present from the start in the solid-free phase, leaving the greatest part of the Ni dissolved in the solid-free phase; (7) separating a part, free from solids, from the sludge produced in stage (6) in order to thicken it; (8) treating the thickened sludge with O2 to dissolve at least part of the Ni in the solid phase to increase the Ni content of the liq. phase; (9) separating the oxygenated sludge from (8) into a Ni-rich phase; solid-free, and a solid-rich phase of mixed sulphides and recycling the solid free-phase for mixing with the sludge produced in stage (6) before carrying out the separation in stage (7); (10) distilling the separated phase, Ni-rich and solid-free, from stage (7) to ppte. the Ni as NiCO3; (11) separating the sludge produced in stage (10) into a solid-free phase and a solid-rich phase contg. NiCO3; (12) calcining the phase contg. Ni NiCO3 to give NiO; and (13) treating the NiO with a reducing agent at sufficiently high temp. to produce Ni metal. ...

ANTI-POLLUTION TREATMENT PROCESS OF A REFINING CATALYST IN THE USED STATE AND METAL RECOVERY.

METHOD FOR EXHAUSTING AN AQUEOUS SOLUTION OF AN ORGANIC SOLUTION CONTAINING METALS AND A QUATERNARY ALKYLAMMONIUM COMPOUND

Hydrometallurgical process for metal extraction

Process for exhausting, using an aqueous solution, an organic solution containing metals and a quaternary alkylammonium compound.

Process for extracting its metal constituents from an organic solution containing them and containing a quaternary alkylammonium compound. The organic solution is brought into contact with an aqueous exhausting solution containing at least 75 g/l of a salt of a bicarbonate ion at not more than 50 DEG C and a pH of between 7 and 9, to convert the quaternary alkylammonium metal complexes into water-soluble metal complexes. Application to the extraction of molybdenum and vanadium.

PROCESS FOR RECOVERING METALS FROM WASTE HYDROTREATMENT CATALYSTS

Method of leaching nickel and cobalt

Nickel ore processing process

NOVEL PROCESS FOR ANTI-POLLUTION TREATMENT OF A REFINING CATALYST IN THE USED CONDITION AND TOTAL RECOVERY OF THE DIFFERENT METAL CONSTITUENTS OF SAID CATALYST.

For the method reclaiming non-ferrous metal from solid matrix

本发明涉及用于从固体基质中回收有色金属的方法，包括如下阶段：(a)在氧存在下，在温度100℃‑160℃和压力150kPa‑800kPa下，用含氯离子和铵离子、pH为6.5‑8.5的含水基溶液沥滤固体基质，以获得包含沥滤金属的提取溶液和固体沥滤残余物；(b)将所述固体沥滤残余物与所述提取溶液分离；(c)使所述提取溶液经历至少一次置换沉淀以回收元素态的金属。

Re-processing waste cobalt-molybdenum mixed oxide catalysts

本发明公开有一种用于以足够高的回收率同时回收钼和钴的方法，和一种使用通过以上方法回收的钼和钴制备复合氧化物等的方法。在该用于回收钼和钴的方法中，将含有钼和钴的复合氧化物与提取水溶液混合，从而将钼和钴从所述复合氧化物中提取到水相中，所述提取水溶液是通过将氨和有机碱中的至少一种溶解在水中获得的。在所述用于制备复合氧化物的方法中，将以上含有钼和钴的水相干燥并随后煅烧。

Treatment of non-sulfidic nickeliferous resources and recovery of metal values therefrom

A process for nickel concentration and extraction from non-sulfidic iron-bearing nickeliferous resources is disclosed. The process includes an atmospheric acid-based leaching treatment of the non-sulfidic iron-bearing nickeliferous resources by oxalic acid to produce a nickel concentrate comprising distinct nickel oxalate particles. The nickel concentrate is technically amenable to further chemical and physical processing to obtain various high-grade nickel products.

Process for antipollution treatment of a spent refining catalyst and total recovery of different metal constituents of said catalyst

BREVET D'INVENTION INSTITUT FRANCAIS DU PETROLE NOUVEAU PROCÉDÉ DE TRAITEMENT ANTIPOLLUTION D'UN CATALYSEUR DE RAFFINAGE A L'ÉTAT US? ET RÉCUPÉRATION TOTALE DES DIFFÉRENTS CONSTITUANTS MÉTALLIQUES DUDIT CATALYSEUR Invention de Messieurs TRINH DINH Chan et ERIC LLIDO On décrit un procédé de traitement antipollution et de la récupération des métaux d'un catalyseur de raffinage à l'état usé renfermant au moins un métal contaminant choisi dans le groupe formé par le vanadium, le nickel et le fer. Le procédé de la présente invention est caractérisé notamment en ce que : a) le catalyseur déchargé de l'unité industrielle est soumis à un strippage ; b) lecatalyseur strippé est calciné dans les conditions critiques ; c) le catalyseur calciné subit un traitement thermique en présence d'une base alcaline à l'état fondu ; d) la masse solide résultante de l'étape c) est traitée par de l'eau. Le procédé s'applique à un traitement antipollution et de la récupération des métaux des catalyseurs usés notamment des catalyseurs d'hydrotraitement ou d'hydroconversion d'une charge pétrolière. PATENT OF INVENTION FRENCH INSTITUTE OF OIL NEW PROCESS FOR ANTI-POLLUTION TREATMENT OF A REFINING CATALYST IN THE US STATE? AND TOTAL RECOVERY OF THE DIFFERENT METAL CONSTITUENTS OF THE SAID CATALYST Invention of Messrs TRINH DINH Chan and ERIC LLIDO An anti-pollution treatment process and the recovery of metals from a spent refining catalyst containing at least one contaminant metal are described. the group formed by vanadium, nickel and iron. The process of the present invention is characterized in particular in that: a) the catalyst discharged from the industrial unit is subjected to stripping; b) the stripped catalyst is calcined under critical conditions; c) the calcined catalyst undergoes a heat treatment in the presence of an alkaline base in the molten state; d) the solid mass resulting from step c) is treated with water. The method ...

Process for recovering valuable metals from superalloy scrap

ABSTRACT OF THE DISCLOSURE Disclosed is a process for recovering valuable metals from scrap including the steps of melting the initial scrap feed, carburizing the melt, solidifying the carburized melt, and re-covering the valuable metals from the resultant material by an acid or ammoniacal leaching step.

Method for leaching cobalt from oxidised cobalt ores

Separating from solution metal values from group v, group vi and/or group viii

Method for manufacturing catalysts with reduced attrition

The present invention discloses an inventive method for manufacturing a catalyst using alloy granules having a high-Ni content. The inventive method may include providing alloy granules comprising aluminum and nickel, and treating the alloy granules with an alkaline solution to form the catalyst. A content of the nickel in the alloy granules may be within a range of about 43 wt% to about 60 wt%. The alloy granules may have effective diameters within a range of about 1 mm to about 10 mm. The catalyst may have an attrition value of less than about 7.0%.

Method for reducing, enriching and recycling nickel and cobalt from nickel and cobalt multi-metal oxide ore

本发明公开了一种镍钴多金属氧化矿还原富集和回收镍钴的方法，包括：将镍钴多金属氧化矿破碎、细磨后，与碳质还原剂、金属化助剂和水混合均匀，制成生球团；将生球团进行干燥预热处理后，转入内衬为碳质耐火材料或含碳复合耐火材料的还原设备中，并在900～1250℃下进行还原焙烧，得到金属化球团；将金属化球团冷却、破碎、细磨，然后进行磁选或重选分离，得到镍钴混合精矿和中矿；对所述中矿进行扫选，得到扫选精矿和扫选尾矿；所述扫选精矿返回进行制团。本发明还原焙烧得到的金属化球团易于破碎、磨矿，选矿得到的细粒镍钴混合精矿可直接用于酸浸或氨浸提取镍、钴、铜等金属，工艺简单，能耗低，焙烧料不粘炉衬，设备易于实现。

Flotation reagents and flotation processes utilizing same

A method of enhancing recovery of a value sulfide mineral and/or a precious metal-bearing mineral from an ore containing said mineral and/or precious metal-bearing mineral, and one or more of a Mg-silicate, a slime forming mineral, and/or a clay, said method comprising: adding to one or more stage of a froth flotation process performed under acidic conditions a froth phase modifier comprising a polymer having one or more functional group selected from the group consisting of sulfonate groups or acids thereof, phosphate groups or acids thereof, phosphonate groups or acids thereof, phosphinate groups or acids thereof, hydroxamate groups or acids thereof, silane groups, and silanol groups, thereby enhancing recovery of a value sulfide mineral and/or a precious metal-bearing mineral from said ore.

Process for the separation of metals of Group VIII and of Groups V or VI of the Periodic Table by transfer into organic solutions.

Process for the separation of metals of Group VIII and of Groups V and VI of the Periodic Table of the Elements in an aqueous solution containing them. According to the invention the metals of Groups V and VI are transferred from this aqueous solution into a first organic solution which is exhausted by extraction with a first aqueous solution, and then the metals of Group VIII are transferred into a second organic solution which is exhausted by extraction into a single aqueous solution. Application to the separation of molybdenum, tungsten and vanadium.

Recovery of copper

1404243 Recovering copper ANACONDA CO 6 March 1973 [7 March 1972] 10688/73 Heading C1A Copper is recovered from sulphidic minerals by leading a slurry of the minerals in aqueous solution containing ammonium sulphate and free ammonia in one, or sequentially in a series of closed leaching vessels at low pressure (<10 p.s.i.g.) at a temperature of 50-80‹ C., whilst recirculating oxygen bearing gas from above the slurry to below the surface thereof, vigorously agitating the slurry with a power input of 0À05 hp./cu.ft. of slurry and introducing fresh oxygen into the slurry, and withdrawing from the vessels a solution containing the copper complexed with the ammonia. Free ammonia may be added to at least the first of the vessels at a rate equal to its consumption, and the concentration of the ammonia may be correlated with the slurry temperature which gradually rises through the series whilst the pH decreases from about 10 to 9À5. The solution may be treated to recover the copper and form ammonium sulphate solution which may be recycled to the leachy. The copper containing solids residue may be subjected to a secondary leaching under substantially the same conditions as the initial leaching.

Recovery method and use of crude ferro-nickel alloy

The present invention belongs to the field of nonferrous metallurgy. Disclosed are a recovery method and the use of a crude ferro-nickel alloy. The recovery method comprises the following steps: crushing and ball-milling crude ferro-nickel alloy, adding ammonium salt and ammonia water, and mixing and stirring same, heating and pressurizing for an ammonia leaching reaction to obtain a slurry, and filtering same to obtain a nickel complex leaching solution and iron slag; adding a reducing agent into the iron slag, and carrying out reduction roasting to obtain iron ore concentrate; and adding an alkaline buffer solution into the nickel complex leaching solution to adjust the pH value for an alkaline reaction, and heating for ammonia distillation to obtain nickel sulfate. The crude ferro-nickel alloy of the present invention is subjected to crushing and ore grinding, pressurized ammonia leaching, filtering and evaporative crystallization, a sulfuric acid system is used in pressurized ammonia leaching, and after ammonia leaching and ammonia distillation, high-value class I nickel sulfate hexahydrate (the purity being 99.7%) and high-grade marketable refined iron powder (the recovery rate being greater than 99.99%, and the purity being greater than 98%) can be directly obtained.

A hydrometallurgical process for the recovery of copper from sulphide ores by oxidation with air or oxygen in ammoniacal solutions

METHOD FOR REMOVING SODIUM FROM CHLORIDE SOLUTIONS

Se refiere a un metodo para remover sodio de una corriente de proceso hidrometalurgico que comprende cloruro de amonio, cloruro de niquel, cloruro de cobre, cloruro de cobalto, y/o cloruro de magnesio, comprendiendo las etapas de: (a) retirar una corriente de purga de licores y/o suspensiones del proceso hidrometalurgico de la corriente del proceso hidrometalurgico; (b) evaporar el agua de la corriente de purga para obtener una solucion saturada que contiene sodio; (c) cristalizar una parte del cloruro de sodio comprendida en la solucion saturada que contiene sodio de dicha solucion para obtener una solucion agotada de sodio; y (d) devolver la solucion agotada de sodio a la corriente del proceso hidrometalurgico It refers to a method for removing sodium from a hydrometallurgical process stream comprising ammonium chloride, nickel chloride, copper chloride, cobalt chloride, and / or magnesium chloride, comprising the steps of: (a) removing a stream for purging liquors and / or suspensions of the hydrometallurgical process from the hydrometallurgical process stream; (b) evaporating the water from the purge stream to obtain a saturated solution containing sodium; (c) crystallizing a part of the sodium chloride comprised in the saturated sodium-containing solution from said solution to obtain a depleted sodium solution; and (d) returning the spent sodium solution to the hydrometallurgical process stream

Method for recovering molybdenum and cobalt

충분히 높은 회수율로 몰리브덴 및 코발트의 양자를 동시에 회수하는 방법, 및 상기 방법에 의해 회수된 몰리브덴 및 코발트를 이용하여 복합 산화물 등을 생성하는 방법이 개시되어 있다. 몰리브덴 및 코발트를 회수하는 이런 방법에 있어서, 몰리브덴 및 코발트를 함유하는 복합 산화물을 암모니아 및 유기 베이스 중 적어도 1 종을 물에 용해함으로써 획득된 수성 추출 용액과 혼합하여, 복합 산화물로부터 몰리브덴 및 코발트를 수성 상으로 추출한다. 복합 산화물의 생성 방법에 있어서, 몰리브덴 및 코발트를 함유하는 상기 수성 상은 건조되고 그 후 하소된다. A method of simultaneously recovering both molybdenum and cobalt at a sufficiently high recovery rate and a method of producing a composite oxide or the like using molybdenum and cobalt recovered by the above method are disclosed. In this method of recovering molybdenum and cobalt, a composite oxide containing molybdenum and cobalt is mixed with an aqueous extraction solution obtained by dissolving at least one of ammonia and an organic base in water, thereby obtaining molybdenum and cobalt from aqueous solution . In the process for producing the composite oxide, the aqueous phase containing molybdenum and cobalt is dried and then calcined.

Silicate depressant for the flotation of sulfide or precious metal ores

PROCESS FOR LEACHING COBALT FROM COBALT OXIDE ORES

L'invention concerne un procédé de lixiviation de cobalt à partir d'un minerai de cobalt non-latéritique, comprenant les étapes consistant à : - prétraiter chimiquement le minerai de cobalt oxydé non latéritique à lixivier avec une solution aqueuse d'un agent réduisant le cobalt, sélectionné dans le groupe formé par les sels de fer (II), sels de sulfite, dioxyde de soufre, et leurs combinaisons; à une pression comprise entre une et 5 fois la pression atmosphérique, à une température de 5 et 65°C, le pH de la solution aqueuse de l'agent réduisant le cobalt étant compris entre 1,0 et 10,0, et les volumes relatifs de la solution aqueuse de l'agent réduisant le cobalt et du minerai de cobalt oxydé non latéritique à lixivier étant tels que la combinaison de la solution aqueuse de l'agent réduisant le cobalt et du minerai de cobalt oxydé forme un mélange avec une teneur en solides qui n'est pas inférieure à 100 g/L de la solution aqueuse; - maintenir en contact la solution aqueuse de l'agent réduisant le cobalt avec le cobalt oxydé non latéritique; et - lixivier le minerai prétraité chimiquement à une pression comprise entre la pression atmosphérique et 5 fois la pression atmosphérique, à une température de 5°C et 65°C, par application d'une solution de carbonate d'ammonium renfermant de l'ammoniac libre, produisant ainsi une solution-mère de lixiviation; puis - faire passer la solution-mère de lixiviation obtenue vers un moyen de récupération de cobalt.

Leaching metals from spent hydroprocessing catalysts

PROCEDURES IN THE EVENT OF NICKEL

Cobalt recovery from ammoniacally leached ores

Cobalt, copper, manganese and esp. nickel extraction - by pretreating part of the charge to give good extraction efficiency

In a process for extracting metals, e.g. Ni, from a source by roasting in a reducing atmosphere at 550-900 degrees C in contact with at least one additive, a small part of the source material is pretreated with the additive then mixed with the remainder of the source material before reducing the charge. Metals e.g. Co, Cu, Mn, Ni and other metals soluble in ammoniacal (NH)2CO3 solns. may be extracted, Ni being of particular interest. The extraction efficiency is improved e.g. 92% Ni extraction of 28.7% without pretreating the ore. Conventional appts. can be used as well conventional processes related to this extraction process. The additive can be regenerated.

Process and removal of zinc and nickel from copper ammine sulfate solutions

PROCESS FOR THE REMOVAL OF ZINC AND NICKEL FROM COPPER AMMINE SULFATE SOLUTIONS Abstract A method for the recovery of copper from copper-containing materials, for example, scrap, ores or dust. An aqueous cupric tetrammine sulfate lixiviant is contacted with the copper-containing material to produce a leachate containing cuprous, nickel, and zinc ions, ammonium sulfate and free ammonia. Copper can be recovered from the leachate by electrolysis. Nickel and zinc can be precipitated from the resulting spent electrolyte by oxidizing substantially all of the cuprous ions in the copper ammine sulfate solution to cupric ions and lowering the pH of the solution to a range from about pH 7.5 to about pH 8.0 in order to form a precipitate. Alternatively, copper sulfate can be added to the cupric ammine sulfate-containing solution in order to form nickel and/or zinc containing precipitate.