Removing Arsenic from Water with Acid-Activated Clay

The description relates to a composition and a method for reducing the concentration of arsenic in water. Contaminated water is contacted with acid-activated clay characterized by a removal efficiency for arsenic of at least 95 wt %. Following sufficient contact, the water is separated from the acid-activated clay. In preferred form, the acid activated clay is characterized by a BET surface area of at least about 200 m/gram. 1. A composition for removing arsenic from contaminated water comprises:a. an acid-activated clay selected from the group consisting of bentonite, montmorillonite, hectorite, talc, vermiculite, saponite, nontronite, kaolinite, halloysite, illite, and chlorite and mixtures thereof;b. a water-soluble oxidizer that can oxidize arsenite to arsenate at the ambient temperature and pressure in water.2. The composition of claim 1 , wherein the acid-activated clay is bentonite.3. The composition of claim 1 , wherein the acid-activated clay is generated by mixing the clay with an acid or acid solution or by incorporating the acid by kneading at a temperature between room temperature (20° C.) and 60° C. for at least 1 hour.4. The composition of claim 1 , wherein the acid activated clay has specific surface area of at least 100 m/g claim 1 , preferably has specific surface area of least 200 m/g.5. The composition of claim 1 , the oxidizer comprises chlorine.6. The composition of claim 5 , the oxidizer is calcium hypochlorite.7. A composition according to any preceding claim in unit dosage form for the batch wise arsenic removal of a relatively small predetermined volume of contaminated water.8. A composition according to any preceding claim in unit dosage form for treating a volume of contaminated water claim 5 , the acid-activated clay dosage to the volume of the contaminated water is in the range from about 1 to about 25 claim 5 , preferably 2 to about 15 claim 5 , more preferably from about 4 to about 10 g/liter of contaminated water.9. A composition ...

METHOD OF PREPARING AN ADSORPTION MATERIAL FOR A VAPORIZER

A method of preparing a porous and permeable adsorption material for a vaporizer utilizes a mixing step; a kneading step; a molding step; a drying step; a first holding step; a calcining step; a second holding step; a forming step; a third holding step; and a producing step. The raw materials include particulates of silicon carbide of 50-85 weight percent, a binder of 1-30 weight percent, a pore forming agent of 5-35 weight percent, and a surfactant of 0.15-7.5 weight percent. Once these raw material components are mixed, then adding water of 5 weight percent to 35 weight percent while kneading to form a wetted mixture of raw materials. The remaining steps describe a molding and heating regimen. 1. A method of preparing a porous and permeable adsorption material for a vaporizer , the method comprising the steps of:creating a mixture of raw materials, the mixture comprising: a silicon carbide particulate; a binder; a pore forming agent; and a surfactant; the mixture having the following weight percentages: silicon carbide powder 50-85 weight percent, binder 1-30 weight percent, pore forming agent 5-35 weight percent, and surfactant 0.15-7.5 weight percent;adding water to the mixture of raw materials while kneading to form a wetted mixture of raw materials, the water comprising from 5 weight percent to 35 weight percent of the mixture of raw materials;molding the wetted mixture of raw materials into a shaped body;heating the shaped body at a heating rate of 0.5-2.5 degrees Centigrade per minute to a drying temperature between 120 and 200 degrees Centigrade;maintaining the drying temperature for 2-10 hours;raising the drying temperature to a calcination temperature of 550-650 degrees Centigrade at heating rate of 1 to 6 degrees Centigrade per minute;maintaining the calcination temperature for 1 to 5 hours;increasing the calcination temperature to a final forming temperature at 750-1100 degrees Centigrade at a heating rate of 1 to 15 degrees Centigrade per minute; ...

AGENT FOR REMOVING HALOGEN GAS, METHOD FOR PRODUCING SAME, METHOD FOR REMOVING HALOGEN GAS WITH USE OF SAME, AND SYSTEM FOR REMOVING HALOGEN GAS

An agent for removing a halogen gas, such as chlorine, in a waste gas by means of reduction; a method for producing this agent; a method for removing a halogen gas by use of this agent; and a system for removing a halogen gas. The agent for removing the halogen gas contains at least pseudo-boehmite, that serves as a host material, and a sulfur-containing reducing agent, that serves as a guest material. 1-8% by weight of the reducing agent, in terms of elemental sulfur, based on the total amount of the pseudo-boehmite and sulfur-containing reducing agent is present in the agent. At least one inorganic compound selected from among oxides, carbonates salts and hydrocarbon salts of alkaline earth metal elements, transition metal elements and zinc group elements is additionally contained in the agent as a third component. 1. A halogen gas removing agent comprising at least pseudoboehmite and a sulfur-containing reducing agent.2. The halogen gas removing agent according to claim 1 , wherein the pseudoboehmite is in an amount of 40% by weight or more claim 1 , based on the total weight of the halogen gas removing agent.3. The halogen gas removing agent according to claim 1 , wherein the sulfur-containing reducing agent is in an amount of from 1 to 8% by weight in terms of the sulfur element in the sulfur-containing reducing agent claim 1 , based on the total weight of the pseudoboehmite and the sulfur-containing reducing agent.4. The halogen gas removing agent according to claim 1 , wherein the sulfur-containing reducing agent is selected from the group consisting of thiosulfates claim 1 , sulfites claim 1 , dithionites and tetrathionates.5. The halogen gas removing agent according to claim 4 , wherein the sulfur-containing reducing agent comprises a salt hydrate.6. The halogen gas removing agent according to claim 1 , further comprising at least one inorganic compound selected from the group consisting of metal oxides claim 1 , metal hydroxides claim 1 , metal carbonates ...

AMINOPOLYCARBOXYLIC ACIDS USEFUL AS PROCESSING AIDS IN THE MANUFACTURE OF SUPERABSORBENTS

Described is the production of water-absorbing polymeric particles by polymerizing a monomer solution or suspension comprising a) at least one ethylenically unsaturated acid-functional monomer which is optionally at least partly present as salt, b) at least one crosslinker and c) at least one initiator, wherein the process further comprises drying the resulting polymer and also optionally grinding the dried polymer and sieving the ground polymer and also optionally surface-postcrosslinking the dried and possibly ground and sieved polymer, and wherein the polymerization is carried out in the presence of aminopolycarboxylic acids and/or salts thereof, in particular in the presence of ethylenediaminedisuccinic acid and/or a salt thereof 1. A process for producing water-absorbing polymeric particles by polymerizing a monomer solution or suspension comprisinga) at least one ethylenically unsaturated acid-functional monomer which is optionally present at least partly in salt form,b) at least one crosslinker,c) at least one initiator,d) optionally one or more ethylenically unsaturated monomers copolymerizable with the monomers mentioned under a),e) optionally one or more water-soluble polymers,f) water,g) optionally additives and/or active substances,wherein said process further comprises drying the polymer obtained and grinding the dried polymer and sieving the ground polymer and surface-postcrosslinking the dried and possibly ground and sieved polymer, and also further optionally aftertreating the possibly surface-postcrosslinked polymer with at least one aftertreating agent, wherein the polymerization is carried out in the presence of a chelating agent from the group of aminopolycarboxylic acids.2. The process according to claim 1 , wherein the chelating agent is selected from the group consisting of ethylenediaminedisuccinic acid claim 1 , ethylenediaminetetraacetic acid claim 1 , diethylenetriaminetetraacetic acid claim 1 , glutamic acid N claim 1 ,N diacetic acid ...

FLUORINE-CONTAINING GAS DECOMPOSING/REMOVING AGENT, METHOD FOR PRODUCING SAME, AND FLUORINE-CONTAINING GAS REMOVING METHOD AND FLUORINE RESOURCE RECOVERY METHOD EACH USING SAME

The present invention relates to a fluorine-containing gas removing agent comprising an alumina and an alkali earth metal compound, wherein an ammonia desorption curve obtained by an ammonia TPD-MS method having a mass-to-charge ratio of 15 has a peak in a range lower than 200° C. and has a shoulder in a range of 200° C. or higher. 1. A fluorine-containing gas removing agent comprising alumina and an alkaline earth metal compound , wherein an ammonia desorption curve by an ammonia TPD-MS method of mass-to-charge ratio 15 has a peak in a range of less than 200° C. and has a shoulder in a range of 200° C. or more.2. The removing agent according to claim 1 , wherein the shoulder is present in the range of 230 to 350° C.3. The removing agent according to claim 1 , wherein the amount of ammonia desorbed in a temperature range of 100 to 450° C. is 10.0 to 100.0 mmol/kg per weight of the removing agent in the ammonia TPD-MS spectrum measurement of the mass-to-charge ratio 15.4. The removing agent according to claim 1 , wherein the amount of ammonia desorbed in a temperature range of 230 to 450° C. is 35.0 to 55.0 when the amount of ammonia desorbed in a temperature range of 100 to 450° C. is 100 in the ammonia TPD-MS spectrum measurement of the mass-to-charge ratio 15.5. The removing agent according to claim 1 , wherein the alumina comprises a crystalline alumina.6. The removing agent according to claim 5 , wherein the crystalline alumina has a single peak in 2θ=45° to 47° in the X-ray diffraction pattern.7. The removing agent according to claim 5 , wherein the crystalline alumina comprises a η alumina.8. The removing agent according to claim 5 , wherein the crystalline alumina has a peak at 2θ=42.6°±0.5° in the X-ray diffraction pattern.9. The removing agent according to claim 5 , wherein the crystalline alumina comprises a χ alumina.10. The removing agent according to claim 1 , wherein the alkaline earth metal compound is at least one compound selected from the group ...

Water-Purifying Agent and Water Purification Method

[Solution] Provided is a plant-derived water purifying agent used for water purification for industrial wastewater, etc. and including a granulated product of a plant powder, such that when a wastewater purifying treatment using the plant-derived water purifying agent is performed by an automated purifying treatment device, the water purifying agent can be suitably used in the automated purifying treatment device. It is more preferable that a Carr's fluidity index of the water purifying agent obtained by measuring 3 items of the water purifying agent, which are an angle of repose, a degree of compression, and a spatula angle be 40 or greater. 1. A water purifying agent , comprising:a granulated product of a plant powder.2. The water purifying agent according to claim 1 ,wherein a Carr's fluidity index of the water purifying agent is 40 or greater, the Carr's fluidity index being obtained by measuring 3 items of the water purifying agent, which are an angle of repose, a degree of compression, and a spatula angle.3. The water purifying agent according to claim 1 ,wherein a Can's fluidity index of the water purifying agent is 50 or greater, the Can's fluidity index being obtained by measuring 3 items of the water purifying agent, which are an angle of repose, a degree of compression, and a spatula angle.4. The water purifying agent according to claim 1 , further comprising:a plant powder.5. The water purifying agent according to claim 4 ,wherein a ratio by mass (granulated product/powder) of a content of the granulated product of the plant powder relative to the plant powder is 6/1 or greater.6. The water purifying agent according to claim 5 ,wherein the ratio by mass (granulated product/powder) of the content of the granulated product of the plant powder relative to the plant powder is 8/1 or greater.7. The water purifying agent according to claim 1 ,wherein a degree of compression of the water purifying agent is 20% or less.8. The water purifying agent according to ...

DENSITY CLASSIFIERS BASED ON PLANE REGIONS

In an example, a print system include a component device that is operation in a number of state, a density engine, and a component engine. An example density engine identifies a plane region of a plane where print fluid is to be printed based on data of a print job and determines a density classifier for the plane based on a location of the plane region on the plane. An example component engine causes an adjustment of a component attribute of the component device based on the density classifier. 1. A print system comprising:a density engine to determine a density classifier for a plane based on a location of a plane region where print fluid is to be printed; anda component engine adjust a component attribute of a component device based on the density classifier.2. The system of claim 1 , wherein the density engine:determines whether print fluid data representing an amount of print fluid to place at a first tile within the plane region achieves a density condition;assigns a value to the plane region based on a relationship between a location of the first tile and a location of a second tile within the plane region; andselects the density classifier based on the value of the plane region.3. The system of claim 1 , wherein the density engine further comprises:a topograph engine to maintain weights associated with page regions on a page, the page being the plane to receive print fluid based on the print job; anda factor engine to identify an operational factor of the print system.4. The system of claim 3 , wherein the density engine:computes a density score for the page based on a matrix of weights that corresponds to the page regions on the page that achieve a density condition; anddetermines the density classifier based on the weighted density score.5. The system of claim 4 , wherein the density engine:applies a modifier to the density score based on the operational factor; andidentifies the density classifier using a lookup table with the page score as input.6. The ...

ADSORPTION STRUCTURE, ADSORPTION APPARATUS, AND ADDITIVE MANUFACTURING METHOD FOR ADSORPTION STRUCTURE

An adsorption structure provided in a flow path through which a fluid flows includes a plurality of cells that are structural units and are arranged side by side in the flow path, and the cells each include an inorganic adsorbent material that adsorbs a component included in the fluid. The cells are cuboids, the plurality of cells are arranged to be in a lattice form in a plane orthogonal to a flow path direction in which the flow path extends, and are arranged to be alternately stacked in the flow path direction. The cells each have a collision portion with which a flow of the fluid changes in a direction intersecting with the flow path direction in which the flow path extends. The collision portion is a surface intersecting with the flow path direction. 1. An adsorption structure provided in a flow path through which a fluid flows , the adsorption structure comprisinga plurality of cells that are structural units and are arranged side by side in the flow path, whereineach of the plurality of cells includes an inorganic adsorbent material that adsorbs a component included in the fluid.2. The adsorption structure according to claim 1 , wherein each of the plurality of cells includes a collision portion at which flow of the fluid changes in a direction intersecting with a flow path direction in which the flow path extends.3. The adsorption structure according to claim 2 , whereineach of the plurality of cells is a cuboid,the plurality of cells are arranged to be in a lattice form in a plane orthogonal to the flow path direction in which the flow path extends, and are arranged to be alternately stacked in the flow path direction, andthe collision portion is a surface intersecting with the flow path direction.4. The adsorption structure according to claim 3 , wherein some cells claim 3 , of the plurality of cells claim 3 , on one side in the flow path direction and some cells claim 3 , of the plurality of cells claim 3 , on the other side in the flow path direction ...

Carbon Monoliths and a Process for Producing Same

A carbon monolith and a process of producing same, the process comprising the steps of: (i) mixing a carbonaceous precursor material with an alkali salt to form a first mixture; (ii) extruding the first mixture produced in step (i) into the shape of a monolith; and (iii) carbonizing the monolith produced in step (ii). 1. A process to produce a carbon monolith comprising the steps of:(i) mixing a carbonaceous precursor material with an alkali salt to form a first mixture;(ii) extruding the first mixture produced in step (i) into the shape of a monolith;(iii) carbonizing the monolith produced in step (ii).2. The process according to claim 1 , wherein the carbon monolith is adapted with one or more internal channels.3. The process according to claim 1 , wherein the carbon monolith is a honeycomb monolith.4. The process according to claim 1 , wherein the carbonaceous precursor material has an oxygen content of at least 10 wt % and a moisture content of at least 20 wt %.5. The process according to claim 1 , wherein the carbonaceous precursor material is selected from brown coal claim 1 , lignite claim 1 , peat or biomass.6. The process according to claim 1 , wherein the carbonaceous precursor material is Victorian Brown Coal.7. The process according to claim 1 , wherein the carbonization step includes heating the monolith at a heating rate ranging from about 0.5° C. to about 15° C. per minute.8. The process according to claim 1 , wherein the carbonization step includes heating the monolith to a temperature of between about 700° C. to about 1200° C.9. The process according to claim 1 , wherein the carbonization step (iii) is performed in an inert atmosphere.10. The process according to claim 9 , wherein the carbonization step (iii) is performed in an atmosphere substantially comprising nitrogen.11. The process according to claim 1 , comprising a further step of physically activating the carbonized monolith produced in step (iii).12. The process according to wherein the ...

Activated Carbon Production Method, Activated Carbon and Canister

Provided is a method for producing an activated carbon with which calcination and molding can be homogeneously performed and an activated carbon of stable quality can be produced. The method includes a plasticizing and densifying step of plasticizing and densifying a mixture of a wooden material and a phosphoric acid compound in a single-screw or twin-screw extruder-kneader under pressurizing and heating conditions until the loss on heating at 140° C. for 30 minutes becomes between 10 mass % and 25 mass %, exclusive, to thereby obtain a carbonaceous material; an adjustment step of heat-treating the carbonaceous material after the plasticizing and densifying step until the loss on heating at 140° C. for 30 minutes becomes between 3 mass % and 12 mass %, exclusive; and an activation treatment step of activating the carbonaceous material after the plasticizing and densifying step under heating conditions at a temperature between 400° C. and 600° C., inclusive. 1. A method for producing an activated carbon , the method comprising:a plasticizing and densifying step of plasticizing and densifying a mixture of a wooden material and a phosphoric acid compound in a single-screw or twin-screw extruder-kneader under kneading and heating conditions until a loss on heating at 140° C. for 30 minutes becomes between 10 mass % and 25 mass %, exclusive, to thereby obtain a carbonaceous material;an adjustment step of heat-treating the carbonaceous material after the plasticizing and densifying step until the loss on heating at 140° C. for 30 minutes becomes between 3 mass % and 12 mass %, exclusive, to thereby obtain the resulting carbonaceous material;a molding step of molding the carbonaceous material to be subjected to a pre-treatment step into pellets in advance.the pre-treatment step of hardening and reacting the carbonaceous material to be subjected to an activation treatment step through heat treatment in a combustion exhaust gas in advance, andthe activation treatment step of ...

Adsorbent, Canister and Method for Producing Adsorbent

An adsorbent to be packed into a canister, at least containing activated carbon and an additive material that has a higher heat capacity than the activated carbon. The adsorbent has first pores derived from the activated carbon that are less than 100 nm and second pores derived from meltable cores that are 1 μm or more. The adsorbent is in the form of a hollow molded body having an outer diameter of more than 6 mm and not more than 50 mm and including a cylindrical wall and honeycomb walls each having a thickness of not less than 0.2 mm and not more than 1 mm. The adsorbent has a volumetric specific heat of 0.08 kcal/L·° C. or more. The ratio of the volume of the second pores to the volume of the first pores is not less than 10% and not more than 200%. 1. An adsorbent to be packed into a canister , the adsorbent at least comprising:activated carbon; andan additive material having a higher heat capacity than the activated carbon,wherein the adsorbent has first pores that are derived from the activated carbon and are less than 100 nm and second pores that are derived from meltable cores and are 1 μm or more,wherein the adsorbent is in a form of a hollow molded body having an outer diameter of more than 6 mm and not more than 50 mm and in which respective parts have a thickness of not less than 0.2 mm and not more than 1 mm,wherein the adsorbent has a volumetric specific heat of 0.08 kcal/L·° C. or more, andwherein the ratio of the volume of the second pores to the volume of the first pores is not less than 10% and not more than 200%.2. The adsorbent according to claim 1 ,wherein the adsorbent has a thermal conductivity of 0.1 kcal/m·h·° C. or more.3. The adsorbent according to claim 1 ,wherein the additive material is a metal oxide.4. The adsorbent according to claim 3 ,wherein a mass of the additive material is not less than 1.0 times and not more than 3.0 times the mass of the activated carbon.5. The adsorbent according to claim 1 ,wherein the additive material is a ...

WATER-ABSORBING RESIN AND PREPARING METHOD THEREOF

A water-absorbing resin and a method of preparing the same, and more specifically, to a method of preparing the water-absorbing resin includes crosslinking and polymerization of an unsaturated monomer including an acrylic acid monomer in the presence of a first internal crosslinking agent and a second internal crosslinking agent having a lower reactivity than the first internal crosslinking agent, thereby preparing a water-absorbing resin having significantly improved absorbency due to a uniform crosslinking structure and a suitable degree of crosslinking. 1. A method of preparing a water-absorbing resin , the method comprising:crosslinking and polymerizing an unsaturated monomer including an acrylic acid monomer in the presence of a first internal crosslinking agent and a second internal crosslinking agent having a lower reactivity than the first internal crosslinking agent.2. The method of claim 1 , wherein the first internal crosslinking agent is one or more selected from the group consisting of N claim 1 ,N′-methylenebis(meth)acrylamide claim 1 , (poly)ethylene glycol di(meth)acrylate claim 1 , (poly)propylene glycol di(meth)acrylate claim 1 , trimethylolpropane tri(meth)acrylate claim 1 , glycerol tri(meth)acrylate claim 1 , glycerol acrylate methacrylate claim 1 , ethyleneoxide modified trimethylolpropane tri(meth)acrylate claim 1 , pentaerythritol hexa(meth)acrylate claim 1 , triallyl cyanurate claim 1 , triallyl isocyanurate claim 1 , triallyl phosphate claim 1 , triallylamine claim 1 , poly(meth)allyloxy alkane claim 1 , (poly)ethylene glycol diglycidyl ether claim 1 , glycerol diglycidyl ether claim 1 , ethylene glycol claim 1 , polyethylene glycol claim 1 , propylene glycol claim 1 , glycerin claim 1 , pentaerythritol claim 1 , ethylenediamine claim 1 , ethylene carbonate claim 1 , propylene carbonate claim 1 , polyethyleneimine and glycidyl (meth)acrylate.4. The method of claim 1 , wherein a content of the second internal crosslinking agent is in a range ...

Porous graft copolymer particles, method for producing same, and adsorbent material using same

Provided are graft copolymer particles enabling introduction of adsorptive functional groups adsorbing metals and others, a method for producing same, and an adsorbent using same. (1) Porous graft copolymer particles containing graft chains introduced into porous particles (particle surface having an average pore diameter of 0.01-50 μm) including at least one resin selected from olefin resins, water-insoluble modified polyvinyl alcohol resins, amide resins, cellulosic resins, chitosan resins and (meth)acrylate resins. (2) A method for producing porous graft copolymer particles including (I) melt-kneading a polymer A and a polymer B other than the polymer A to obtain a compound material, (II) extracting and removing the polymer B from the compound material to obtain a porous material of the polymer A, (III) granulating the porous material, and (IV) introducing graft chains into the porous particles. (3) An adsorbent of porous graft copolymer particles.

N-VINYL LACTAM-BASED CROSSLINKED POLYMER, COSMETIC, ABSORBENT AGENT FOR INK AND ABSORBENT COMPOSITE

The invention aims to provide an absorbent composite having an excellent absorption capacity for various liquids. The invention relates to an absorbent composite including: a nonionic crosslinked polymer; and an absorbent base material, the absorbent composite having a mass ratio of the nonionic crosslinked polymer to the absorbent base material (nonionic crosslinked polymer/absorbent base material) of 0.1 or more and less than 2. 1. An absorbent composite comprising:a nonionic crosslinked polymer; andan absorbent base material,the absorbent composite having a mass ratio of the nonionic crosslinked polymer to the absorbent base material (nonionic crosslinked polymer/absorbent base material) of 0.1 or more and less than 2.2. The absorbent composite according to claim 1 ,wherein the nonionic crosslinked polymer comprises a structural unit derived from an amide monomer and/or a structural unit derived from a (poly)alkylene glycol monomer.3. The absorbent composite according to claim 1 ,wherein the absorbent base material comprises a hydrophilic fiber.4. The absorbent composite according to claim 3 ,wherein the hydrophilic fiber is at least one selected from the group consisting of cellulosic fibers, polyamide fibers, animal fibers, and hydrophobic fibers having a hydrophilic surface layer.5. The absorbent composite according to claim 1 ,wherein the absorbent base material has a sheet shape or a bag shape.6. A deodorant comprising the absorbent composite according to .7. A deodorizer comprising the deodorant according to .8. A method of using the deodorant according to claim 6 , the deodorant being incorporated into a deodorizer.9. A cosmetic comprising the absorbent composite according to .10. A method of using the absorbent composite according to as a cosmetic.11. An ink absorber comprising the absorbent composite according to .12. An absorbent material comprising the ink absorber according to .13. An ink-absorbed body comprising the ink absorber according to and ink ...

ADSORBENT AND DEODORANT PROCESSED PRODUCT

To provide a chemical adsorbent for an acid gas, the chemical adsorbent having a high chemical adsorbing performance and not causing resin degradation, and to provide a deodorant processed product such as paper, nonwoven fabric, or fibers, the deodorant processed product exhibiting an excellent deodorizing performance by using the adsorbent. 1. A chemical adsorbent for an acid gas , the chemical adsorbent comprising an amorphous zirconyl hydroxide represented by Formula (1) below , as a main component:{'br': None, 'sub': 1−x', 'x', 'y', '2, 'i': '.z', '(ZrO)(HfO)(OH)HO \u2003\u2003(1)'}wherein, in Formula (1): x, y, and z each represents a positive number; x represents a number from 0.0001 to 0.005; y represents a number from 1.9 to 3.0; and z represents a number from 0.05 to 1.0.2. The chemical adsorbent for an acid gas according to claim 1 , wherein an acetic acid gas chemical adsorption amount is 20 mL/g or more.3. The chemical adsorbent for an acid gas according to claim 1 , having a BET specific surface area of 100 m/g or more.4. The chemical adsorbent for an acid gas according to claim 1 , wherein an average particle size measured by a laser diffraction particle size distribution analyzer is from 0.1 μm to 10 μm.5. A deodorant processed product comprising the chemical adsorbent for an acid gas according to .6. The deodorant processed product according to claim 5 , wherein the chemical adsorbent for an acid gas is applied or kneaded. The present invention relates to an adsorbent for an acid gas including an amorphous zirconyl hydroxide. The present invention relates to provision of a deodorant processed product such as paper, fibers, a film, or a plastic molded product, which exhibits an excellent deodorizing performance by using the adsorbent that has an excellent processability, and is less colored even if being kneaded into a resin or the like.Recently, interest in odor in daily life has been enhanced, and various deodorant processed products such as indoor ...

Molding for a hydrophobic zeolitic material and process for its production

The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.

Oxygen-absorbing resin composition

An oxygen-absorbing resin composition including a base resin (A) which is a thermoplastic resin, an oxygen-absorbing component (B) which is a compound having an unsaturated alicyclic structure, and an oxidation promotion component (C) for promoting the oxidation of the oxygen-absorbing component (B); wherein the oxygen-absorbing component (B) is an imide compound having a molecular weight of not more than 2,000 and obtained by heat-treating an amide having been obtained by reacting an acid anhydride represented by the following formula (1): wherein the ring X is an alicyclic ring having an unsaturated bond, and Y is an alkyl group, with an aromatic amine, and wherein the oxidation promotion component (C) is a compound having a benzyl hydrogen.

ABSORBENT POLYMERS, AND METHODS AND SYSTEMS OF PRODUCING THEREOF AND USES THEREOF

Provided herein are absorbent polymers produced from beta-propiolactone, and methods and systems of producing such polymers. The beta-propiolactone may be derived from ethylene oxide and carbon monoxide. The absorbent polymer may be bio-based and/or biodegradable. The absorbent polymers may be used for diapers, adult incontinence products, and feminine hygiene products, as well as for agricultural applications. 1. A method of producing a polymer , comprising:{'sub': 2', '2, 'sup': +', '−, 'combining beta-propiolactone with a metal compound of formula M, MO, MOH, or MCH═CHCOO), or a combination thereof, to produce acrylic acid, a salt thereof, or a combination thereof; and'}polymerizing the acrylic acid, a salt thereof, or a combination thereof, with a polymerization initiator and optionally a cross-linker to produce the polymer.2. The method of claim 1 , wherein the polymerizing is performed neat or in a non-aqueous media.4. The method of claim 3 , wherein steps (c) and (d) are performed neat or in a non-aqueous media.5. The method of wherein the ionic initiator comprises a salt of an alkali metal claim 3 , a salt of an alkali-earth metal claim 3 , or a combination thereof.6. The method of wherein the ionic initiator comprises a carboxylate salt of an alkali metal claim 3 , a salt of an alkali-earth metal claim 3 , or a combination thereof.7. The method of wherein the ionic initiator is a salt of an alkali metal.8. The method of wherein the ionic initiator has a structure of formula CH═CHCOZ claim 3 , wherein Z is an alkali metal claim 3 , an alkali earth metal claim 3 , ammonium claim 3 , a quaternary ammonium cation claim 3 , or phosphonium.9. The method of claim 8 , wherein the quaternary ammonium cation is a lower alkyl quaternary ammonium cation.10. The method of wherein the ionic initiator is sodium acrylate claim 3 , or potassium acrylate claim 3 , or a combination thereof.11. The method of wherein the ionic initiator is a methacrylate.12. The method of ...

EXCREMENT-TREATING MATERIAL AND METHOD FOR MANUFACTURING SAME

An excrement-treating material has a core part, and a surface layer bonded to the core part by utilizing the adhesion ability of a water-absorbable polymer in the surface layer without using an adhesive. The excrement-treating material suitably exerts the water absorbability and water transport ability inherent to the surface layer. The excrement-treating material is constituted by incorporating pulverized water-absorbable polymer particles of 20 μm to 50 μm, and adding water to the surface of the core part after granulation to noncontinuously form a highly-wet part; reacting a water content in the highly-wet part and the pulverized water-absorbable polymer to noncontinuously form an adhering part; and bonding the surface layer to the core part through the adhering part. Upon absorption of excreted urine, permeation of the urine into the core part is accelerated in a part other than the adhering part. 1. An excrement-treating material comprising a water-absorbable core part and a water-absorbable surface layer covering the core part , wherein the material is constituted by:incorporating a pulverized water-absorbable polymer that has been pulverized into particle sizes of from 20 μm to 50 μm by means of a pulverizer and plant fibers each having a fiber length of 0.1 mm to 2 mm into a compounding material for the surface layer, and partially adding water to the surface of the core part after granulation to noncontinuously form a highly-wet part;reacting a water content in the highly-wet part and the pulverized water-absorbable polymer in the surface layer-compounding material to noncontinuously form an adhering part;bonding the surface layer to the surface of the core part through the adhering part; andupon absorption of excreted urine, accelerating the permeation of the excreted urine into the core part in a part other than the adhering part between the surface layer and the surface of the core part.2. The excrement-treating material according to claim 1 , wherein ...

Desulfurizer For Conversion And Absorption Of High-Concentration Carbonyl Sulfide And A Desulfurizer For Catalytic Conversion And Absorption Of Carbon Disulfide And Their Preparation Methods

Provided is a high-concentration carbonyl sulfide conversion-absorption type desulfurizer for use at medium-low temperature and preparation method thereof. The desulfurizer comprises 50%-75% magnetic iron oxide red (FeO), 5%-10% alkali metal oxide (KO), 5-35% anatase TiO, and 5-10% shaping binder. The method of preparing the desulfurizer comprises: uniformly mixing a metatitanic acid prepared using ferrous sulfate recycled as a by-product from titanium dioxide production with KCO, calcining to activate at 500° C.-700° C., mixing with the magnetic iron oxide red and binder, roll molding at room temperature to form balls which are dried at 100° C.-150° C. to obtain the desulfurizer. The desulfurizer has a hydrolysis conversion of carbonyl sulfide higher than 99%, and has a higher sulfur capacity more than 25%. 1. A desulfurizer for conversion and absorption of high-concentration carbonyl sulfide , comprising:{'sub': 21.333', '32, 'magnetic iron oxide red FeOin an amount of 50-75 parts by weight;'}{'sub': '2', 'KO in an amount of 5-10 parts by weight;'}{'sub': '2', 'anatase-type TiOin an amount of 5-35 parts by weight; and'}a binder in an amount of 5-10 parts by weight.2. The desulfurizer of claim 1 , wherein the binder is selected from a group consisting of bentonite claim 1 , kaolin clay claim 1 , attapulgite claim 1 , Yang Gan soil and any combination thereof.3. A method for preparing the desulfurizer of claim 1 , comprising:{'sub': 4', '4', '21.333', '32, '(1) mixing and reacting a FeSOsolution with an alkaline substance solution or solid by controlling the alkali ratio of the alkaline substance solution or solid and the FeSOsolution to 1-1.1 to form a first mixture, filtering the first mixture to yield a filter cake, and calcining the filter cake at a temperature of 250-400° C. to yield the magnetic iron oxide red FeO; or'}{'sub': 4', '4', '21.333', '32, 'mixing and kneading a FeSOsolid with an alkaline substance solid by controlling the alkali ratio of the ...

Method for producing an adsorbent material and method for extracting lithium from saline solutions using the material

The present invention relates to the field of solid materials for the adsorption of lithium. In particular, the present invention relates to a new method for the preparation of a crystallized and shaped solid material, preferably in extruded form, of the formula (LiCl)x.2Al(OH)3,nH2O, wherein n is between 0.01 and 10, x is between 0.4 and 1, wherein it comprises a step a) of precipitation of boehmite under specific temperature and pH conditions, a step of bringing into contact the precipitate obtained with LiCl, at least one acid extrusion-kneading shaping step, wherein the method also comprises a final hydrothermal treatment step, all of which makes it possible to increase the lithium adsorption capacity, the adsorption kinetics, as well as the lithium/boron selectivity of the materials obtained with respect to the materials of the prior art, when it is used in a lithium extraction method of saline solutions.

COMPOUNDED SURFACE TREATED CARBOXYALKYLATED STARCH POLYCRYLATE COMPOSITES

A dual-surface treated composite superabsorbent particle comprising a polycarboxylate polymer (e.g., saponified polyacrylamide) and a carboxylated starch polymer is disclosed. The surface of the particle is cross linked through esterification with a C-Cpolyol exemplified with glycerol. In addition, the surface region is crosslinked through ionic bonds with a trivalent metal ion exemplified with aluminum. In a critical method of making, the acidification of the surface with the polyol occurs prior to treatment with the trivalent metal ion, which results is a hybrid particle that can include up to about % of carboxymethyl starch yet exhibit a FSC of at least g/g, a CRC of at least g/g, an AUL of at least g/g under a load of psi, and a SFR of at least ml/min. Also disclosed is a method of making that includes a surface esterification prior to aluminum treatment. 137-. (canceled)38. A composite superabsorbent particle comprisinga synthetic polycarboxylate polymer able to form an hydrogel blended with;a carboxyalkylated starch, and further including{'sub': 2', '4, 'a C-Cpolyol moiety cross-linking at least one of the carboxyalkylated starch and the synthetic polycarboxylate polymer via ester linkages at a surface of the particle; and'}a trivalent metal ion coating said surface of the particle;wherein a ratio of the synthetic polycarboxylate polymer to the carboxyalkylated starch is from 20:80 to 80:20 on a wt:wt basis and the amount of the ester linkages and trivalent metal salt is such that the particle exhibits a FSC of at least 40 g/g, a CRC of at least 25 g/g, an AUL of at least 15 g/g under a load of 0.7 psi, and a SFR of at least 50 ml/min. with 0.9% saline.39. The composite superabsorbent particle of claim 38 , wherein the trivalent metal ion comprises aluminum.40. The composite superabsorbent particle of claim 38 , wherein the carboxyalkylated polysaccharide is carboxymethyl starch.41. The composite superabsorbent particle of claim 38 , wherein the C-Cpolyol ...

Method for preparing solids from a mixture of at least one malachite powder and an oxide powder and the use of said solids

The invention relates to a method for preparing a solid comprising the mixture of a set of compounds comprising at least one Cu(OH)COpowder, one metal oxide powder selected from the group of metals consisting of copper, zinc, iron, manganese and mixtures thereof, and at least one binder as well as the use of the solid prepared by means of this method. 1. Method for preparing a solid comprising the steps of:{'sub': 2', '2', '3, 'a) mixing of a set of compounds comprising at least one Cu(OH)COpowder, one metal oxide powder selected from the group of metals consisting of copper, zinc, iron, manganese and mixtures thereof, and at least one binder;'}b) contacting the mixture of step a) with an aqueous solution and kneading the paste thus obtained;c) extruding the paste kneaded in step b) at a pressure of between 3 and 25 MPa;d) calcinating the extrudates at a temperature of between 140° C. and 500° C. and for a duration of between 10 minutes and 6 hours under a gaseous flow comprising oxygen.2. Method according to claim 1 , wherein the extrudates obtained from step c) are dried at a temperature of between 70 and 160° C. for a duration of between 1 and 24 hours before being calcinated in step d).3. Method according to claim 1 , wherein the metal oxide powder content claim 1 , said metal oxide being selected from the group of metals consisting of copper claim 1 , zinc claim 1 , iron claim 1 , manganese and mixtures thereof introduced into the set of compounds mixed in step a) claim 1 , expressed as the ratio of the metal oxide(s) powder mass introduced into the set of compounds mixed in step a) to the total mass of malachite and metallic oxide(s) powder(s) introduced into the set of compounds mixed in step a) is between 0.01 and 1.4. Method according to claim 1 , wherein the said Cu(OH)COpowder has a bimodal distribution.5. Method according to claim 1 , wherein the said Cu(OH)COpowder comprises 0.1 to 99.9 wt. % of malachite particles claim 1 , the Dof which is between 1 ...

Molded Article

To provide a molded article which can have excellent strength, can also have high durability during repeated use, and can maintain high adsorption performance even when the content of a binder resin is reduced. A molded article containing cerium oxide particles and a binder resin, wherein cerium oxide particles which has an average particle diameter of 1 to 15 μm and in each of which a crystallite size is 40 to 200 Å are used. 1. A molded article comprising cerium oxide particles and a binder resin , wherein an average particle diameter of the cerium oxide particles is 1 to 15 μm and a crystallite size in each of the cerium oxide particles is 40 to 200 Å.2. The molded article according to claim 1 , wherein each of the cerium oxide particles is a sintered body in which a plurality of crystalline bodies each having shape anisotropy is bonded to each other three-dimensionally and randomly.3. The molded article according to claim 2 , wherein each of the crystalline bodies has a plate-like claim 2 , scale-like claim 2 , rod-like or needle-like shape.4. The molded article according to claim 1 , wherein the cerium oxide particles are contained in an amount of 90% by mass or more relative to the whole amount of the molded article.5. The molded article according to claim 1 , wherein the molded article has a specific surface area of 100 to 200 m/g.6. The molded article according to claim 1 , wherein the molded article has an average pore diameter of 500 to 2000 nm.7. The molded article according to claim 1 , wherein the molded article can be used as an adsorbent for iodate ions.8. The molded article according to claim 2 , wherein the cerium oxide particles are contained in an amount of 90% by mass or more relative to the whole amount of the molded article.9. The molded article according to claim 3 , wherein the cerium oxide particles are contained in an amount of 90% by mass or more relative to the whole amount of the molded article.10. The molded article according to claim 2 ...

Molding of a hydrophobic zeolitic material and process for its production

FIELD: chemistry.SUBSTANCE: present invention relates to a method for the production of a molding. A method for the production of a molding to use in catalytic processes is described, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water absorption ranging from 3 to 10% when exposed to a relative humidity of 85 %, wherein the zeolitic material comprises one or more zeolites having a framework structure selected from the group consisting of AEI, BEA, CHA, CDO, DDR, EMT, ERI, EUO, FAU, FER, HEU, LEV, MAZ, MEI, MEL, MFI, MFS, MOR, MOZ, MRE, MTN, MTT, MTW, MWW, NON, OFF, RRO, TON, and the combinations of two or more thereof, in which the mixture obtained in step (II) is characterized by a weight ratio of one or more binders to the zeolite material (binder: zeolitic material) in the range of 0.1 to 0.6, wherein step (II) further comprises mixing the zeolitic material and one or more binders with a solvent system, the solvent system comprising one or more solvents in which the mixture obtained in step (II) has a mass ratio of the solvent system to the zeolitic material (solvent system: zeolite material) ranging from 0.7 to 1.7, wherein step (II) further comprises mixing the zeolitic material and one or more binders with one or more pore-forming agents, the method further comprising (VII) hydrothermally treating the calcined molding obtained in step (VI), the hydrothermal treatment being carried out with a water-containing solvent system and/or an aqueous solution.EFFECT: improving the catalytic properties of zeolite materials.20 cl, 3 tbl, 9 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) ...

Adsorbent for removal of cation and anion heavy metal and fabricating method of the same

본 발명은 양이온 및 음이온 중금속을 효과적으로 제거할 수 있는 양이온 및 음이온 중금속 동시 제거용 복합담체 및 그 제조방법에 관한 것으로서, 본 발명에 따른 양이온 및 음이온 중금속 동시 제거용 복합담체 제조방법은 소듐 알지네이트 분말을 초순수에 용해하여 알지네이트 용액을 제조하는 단계와, 상기 알지네이트 용액 내에 아민기를 담지한 메조기공구조의 산화철과 합성 제올라이트를 주입하여 혼련하는 단계와, 상기 메조기공구조의 산화철과 합성 제올라이트가 혼합된 알지네이트 용액을 한 방울씩 염화칼슘 수용액에 떨어뜨려 각 방울의 알지네이트 용액을 경화시켜 비드 형태의 복합담체를 제작하는 단계 및 상기 비드형태의 복합담체를 진공 건조시켜 복합담체 내부의 수분을 제거함과 함께 복합담체 내부의 메조기공구조의 산화철과 합성 제올라이트를 복합담체 표면으로 이동시키는 단계를 포함하여 이루어지는 것을 특징으로 한다. The present invention relates to a composite carrier for simultaneous removal of cations and anionic heavy metals and a method for producing same, which can effectively remove cationic and anionic heavy metals. The method for preparing a composite carrier for simultaneous removal of cations and anionic heavy metals comprises sodium alginate powder. Preparing an alginate solution by dissolving in ultrapure water, injecting and kneading iron oxide of a mesoporous structure and a synthetic zeolite carrying an amine group in the alginate solution, and mixing an alginate solution of the iron oxide and the synthetic zeolite of the mesoporous structure Drop by drop in an aqueous calcium chloride solution to cure each drop of alginate solution to produce a bead-type composite carrier and vacuum dry the bead-type composite carrier to remove moisture in the composite carrier and Iron oxide of mesoporous structure That comprises the step of moving a synthetic zeolite combined with the carrier surface is characterized.

Пористые частицы привитого сополимера, способ их получения и адсорбирующий материал, в котором они применяются

Изобретение относится к пористым частицам привитого сополимера, предназначенным для получения адсорбирующего материала, которые адсорбируют металлы и другие вещества, способу их производства и адсорбенту, в котором они применяются. Пористые частицы привитого сополимера содержат по меньшей мере одну смолу, выбранную из олефиновых смол, водонерастворимых модифицированных смол на основе поливинилового спирта, амидных смол, целлюлозных смол, хитозановых смол и (мет)акрилатных смол. Причем смола содержит введенную в нее прививочную цепь, включающую структурное звено, в состав которого входит функциональная группа. Размер частицы находится в диапазоне от 10 мкм до 2000 мкм, средний диаметр пор на поверхности частицы находится в диапазоне от 0,01 мкм до 50 мкм, и степень прививки находится в диапазоне от 30 до 900 частей по массе на 100 частей по массе смолы. 3 н. и 17 з.п. ф-лы, 11 табл. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 647 599 C2 (51) МПК C08J 9/36 (2006.01) B01D 15/00 (2006.01) B01J 20/26 (2006.01) B01J 20/30 (2006.01) C08F 255/02 (2006.01) C08J 9/26 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА C22B 3/24 (2006.01) ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ C22B 7/00 (2006.01) (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 15/00 (2017.08); B01J 20/264 (2017.08); B01J 20/28004 (2017.08); B01J 20/30 (2017.08); B01J 20/3014 (2017.08); B01J 20/3028 (2017.08); C08F 255/02 (2017.08); C08J 3/12 (2017.08); C08J 9/26 (2017.08) (21)(22) Заявка: 2015120060, 29.10.2013 29.10.2013 Дата регистрации: 16.03.2018 30.10.2012 JP 2012-238998; 15.11.2012 JP 2012-250757; 15.11.2012 JP 2012-250758; 23.01.2013 JP 2013-010411; 14.03.2013 JP 2013-051931; 31.07.2013 JP 2013-158515 (56) Список документов, цитированных в отчете о поиске: US 2005065282 A1, 24.03.2005. US C 2 C 2 (43) Дата публикации заявки: 20.12.2016 Бюл. № 35 2004/023029 A1, 05.02.2004. EP1437376 A1, 14.07.2004. WO 2012/43347 Al, 05.04.2012. EA 17034 B1, 28.09.2012. EP 1512725 A1, 09.03.2005. EP 2010-233825 A, 21.10.2010. JP 2004-83561, 18.03. ...

制备吸附材料的方法和用该材料从盐溶液中提取锂的方法

本发明涉及用于吸附锂的固体材料领域。具体地，本发明涉及一种制备式(LiCl) x ·2Al(OH) 3 ·nH 2 O的优选以挤出物的形式成型的结晶固体材料的新方法，其中，n为0.01～10，x为0.4～1，其中，所述方法包括：在特定温度和pH条件下使勃姆石沉淀的步骤a)；使所得沉淀物与LiCl接触的步骤；优选通过酸挤出‑捏合的至少一个成型步骤；并且所述方法还包括最终水热处理步骤，所有这些步骤使得当所得材料用于盐溶液的锂提取方法中时，与现有技术的材料相比，增加了所得材料的锂吸附容量、吸附动力学以及锂/硼选择性。

Carbon block and method for producing same

一种碳块体及其制备方法，所述制备方法包括步骤：(i)将碳质前体材料与碱盐混合形成第一混合物；(ii)将步骤(i)中制备的所述第一混合物挤出成块体的形状；以及(iii)将步骤(ii)中制备的所述块体进行碳化。

A water depurator and a water cleaning method

é provido um agente de purificação de água formado de um produto granulado incluindo uma mistura de um pó de planta e um floculante polimérico, em que uma superfície do produto granulado inclui uma porção revestida em que o pó de planta é revestido com o floculante polimérico e uma porção não revestida em que o pó de planta não é revestido com o floculante polimérico. a water purifying agent formed from a granulated product including a mixture of a plant powder and a polymeric flocculant is provided, wherein a surface of the granulated product includes a coated portion in which the plant powder is coated with the polymeric flocculant and an uncoated portion in which the plant powder is not coated with the polymeric flocculant.

Patent JPS5831978B2

Method for producing polyacrylic acid (salt) water-absorbing resin

Patent RU2016119585A3

`”ВУ“” 2016119585`” АЗ Дата публикации: 07.05.2018 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж Я «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2016119585/04(030849) 22.10.2014 РСТ/ЕР2014/072609 22.10.2014 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 13 189 907.2 23.10.2013 ЕР* Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) ФОРМОВАННОЕ ИЗДЕЛИЕ ИЗ ГИДРОФОБНОГО ЦЕОЛИТНОГО МАТЕРИАЛА И СПОСОБ ЕГО ПОЛУЧЕНИЯ Заявитель: БАСФ СЕ, РЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ВО1. 29/59 (2006.01) ВО1.] 35/10 (2006.01) ВОТ. 35/02 (2006.01) ВОТ. 29/035 (2006.01) В01.] 39/08 (2006.01) ВО1. 20/10 (2006.01) В01.] 37/08 (2006.01) В01./ 39/14 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): РУ/РТ, Езрасепек, Соозе, Раеагсв, КОРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- ...

Method of preparing alumina based catalyst or adsorbent using boehmite or pseudobomite powder

본 발명은 보마이트 또는 슈도보마이트 분말들로부터 결정립계(grain boundary)가 형성된 알루미나 다결정체 기반 촉매 또는 흡착제의 제조방법에 관한 것으로, 보마이트 또는 슈도보마이트 분말; 및 이와 혼합시 해교시켜 졸(sol)이 형성되지 않도록 이와의 혼합사용량이 조절된 산 용액을 준비하는 제1단계; 제1단계의 보마이트 또는 슈도보마이트 분말과 산 용액을 혼합한 슬러리를 졸 형성 없이 반죽하여 산에 의해 보마이트 또는 슈도보마이트 분말 입자의 표면을 에칭하고 표면 에칭된 분말 입자들을 서로 엉겨 결합시키는 제2단계; 제2단계에서 형성된 반죽(paste)를 성형하는 제3단계; 제3단계의 성형물을 건조 및 소성하여, 보마이트 또는 슈도보마이트 분말 입자들이 인접한 경계가 결정립계(grain boundary)를 형성한 Al 2 O 3 다결정체를 형성시키는 제4단계; 및 선택적으로, 제4단계의 Al 2 O 3 다결정체에 금속 성분을 담지하는 제5단계를 포함한다. 본 발명은 보마이트 졸 대신 보마이트 분말들의 슬러리를 사용하여 성형 후 건조 및 소성을 통해 알루미나 성형체를 제조할 때, 제조된 성형체 자체 또는 고온 사용시 성형체로부터 분말들이 떨어져 나오는 문제점을 해결할 수 있다. The present invention relates to a method for preparing an alumina polycrystal-based catalyst or adsorbent in which grain boundaries are formed from bomite or pseudobomite powders, comprising: bomite or pseudobomite powder; and a first step of preparing an acid solution whose mixing amount is adjusted so that sol is not formed by peptizing when mixed therewith; The slurry of the first step of mixing the bomite or pseudobomite powder and the acid solution is kneaded without sol formation to etch the surface of the bomite or pseudobomite powder particles with acid, and the surface-etched powder particles are agglomerated and combined. second step; A third step of molding the dough (paste) formed in the second step; A fourth step of drying and calcining the molding of the third step to form an Al 2 O 3 polycrystal in which the boundary between the bomite or pseudobomite powder particles is adjacent to form a grain boundary; and optionally, a fifth step of supporting the metal component on the Al 2 O 3 polycrystal of the fourth step. The present invention can solve the problem of powders falling off from the molded body itself or when used at high temperature when an alumina molded body is manufactured through drying and calcining after molding using a slurry of bomite powders instead of bomite sol.

Shaped body

本申请提供就算是在减少了粘合剂树脂的含量的情况下也具有优异的强度、反复使用中的耐久性高并且能够维持高吸附性能的成型体。其解决方式是一种成型体，其包含氧化铈颗粒和粘合剂树脂，并使用平均粒径为1～15μm、微晶尺寸为 的氧化铈颗粒。

AGENT FOR CLEANING WATER AND METHOD FOR CLEANING WATER

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2017 134 507 A (51) МПК B01D 21/01 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2017134507, 16.03.2016 (71) Заявитель(и): ДЕКСЕРИАЛЗ КОРПОРЕЙШН (JP) Приоритет(ы): (30) Конвенционный приоритет: 30.03.2015 JP 2015-069266 10 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 04.10.2017 JP 2016/058410 (16.03.2016) (87) Публикация заявки PCT: A WO 2016/158433 (06.10.2016) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр. 3, ООО "Юридическая фирма Городисский и Партнеры" R U (57) Формула изобретения 1. Агент для очистки воды, содержащий: гранулированный продукт, который содержит смесь растительного порошка и полимерного флокулянта, где поверхность гранулированного продукта содержит покрытую часть, на которой растительный порошок покрыт полимерным флокулянтом, и непокрытую часть, на которой растительный порошок не покрыт полимерным флокулянтом. 2. Агент для очистки воды по п. 1, где отношение площади покрытой части к сумме площади покрытой части и площади непокрытой части составляет от 10% до 90%. 3. Агент для очистки воды по п. 1, где отношение площади покрытой части к сумме площади покрытой части и площади непокрытой части составляет от 30% до 70%. 4. Агент для очистки воды по п. 1, где растительный порошок является любым одним порошком из джута длинноплодного (Corchorus olitorius), мулукхии, японского горчичного шпината, японской скрытницы, курчаволистной горчицы и шпината. 5. Агент для очистки воды по п. 4, где растительный порошок является джутом длинноплодным (Corchorus olitorius). Стр.: 1 A 2 0 1 7 1 3 4 5 0 7 (54) АГЕНТ ДЛЯ ОЧИСТКИ ВОДЫ И СПОСОБ ОЧИСТКИ ВОДЫ 2 0 1 7 1 3 4 5 0 7 (86) Заявка PCT: R U (43) Дата публикации заявки: 04.04.2019 Бюл. № (72) Автор(ы): ИТО, Масахико (JP), СИМАДА, Риу (JP), ФУДЗИТА, Таканори (JP) A 2 0 1 7 1 3 4 5 0 7 R U A 2 0 1 7 1 3 4 5 0 7 R U 6. Агент для очистки воды по п. 4, где джут длинноплодный (Corchorus ...

N-Vinyl lactam cross-linked polymer, cosmetic, ink absorbent and absorbent composite

本発明は、吸液能力に優れ、かつ、ゲル解砕を充分に行うことができる架橋重合体を提供することを目的とする。本発明は、Ｎ−ビニルラクタム系架橋重合体であって、該Ｎ−ビニルラクタム系架橋重合体は、Ｎ−ビニルラクタム系単量体由来の構造単位とシアヌル酸トリアリル由来の構造単位とを有し、該シアヌル酸トリアリル由来の構造単位の割合が、全構造単位１００モル％に対して０．１２〜０．４８モル％であることを特徴とするＮ−ビニルラクタム系架橋重合体である。 An object of the present invention is to provide a crosslinked polymer which is excellent in liquid absorption capacity and can be sufficiently subjected to gel disintegration. The present invention is an N-vinyl lactam cross-linked polymer, wherein the N-vinyl lactam cross-linked polymer has a structural unit derived from an N-vinyl lactam monomer and a structural unit derived from triallyl cyanurate. And the proportion of structural units derived from the triallyl cyanurate is 0.12 to 0.48 mol% with respect to 100 mol% of all structural units.

Method for obtaining the composite sorbent with magnetic properties

FIELD: technological processes. SUBSTANCE: invention refers to the method for producing the composite sorbent with magnetic properties that can be used for purification of industrial wastewater. Method includes preparing the slurry of magnetite, by means of dispersing Fe 3 O 4 in the 1–5 % solution of polyvinyl alcohol and stirring at 80 °C for 20 minutes in order to obtain the slurry of magnetite in polyvinyl alcohol, adding of coffee waste in the ratio from 1:2 up to 6 into the obtained slurry, stirring at 80 °C for one hour, filtering the formed slurry, and drying the resulting composite at 105 °C up to the constant weight, followed by grinding. Preliminary preparation of coffee wastes is carried out by means of washing the coffee waste with distilled water heated up to 50 °C until the color of coffee and neutral medium disappears and the precipitate is filtered out, drying in the convection oven at 105 °C for 5 hours and treating with 0.5 M alkali solution for 24 hours at the room temperature, with at least 10 weight parts of alkali taken per 1 part of the coffee-grounds. EFFECT: invention provides for the higher sorption capacity of the magnetic sorbent. 1 cl, 3 dwg, 5 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 661 210 C1 (51) МПК B01J 20/30 (2006.01) C02F 1/28 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 20/30 (2018.02); B01J 20/3014 (2018.02); C02F 1/28 (2018.02) (21)(22) Заявка: 2017127045, 27.07.2017 (24) Дата начала отсчета срока действия патента: Дата регистрации: 13.07.2018 (45) Опубликовано: 13.07.2018 Бюл. № 20 2 6 6 1 2 1 0 R U (56) Список документов, цитированных в отчете о поиске: RU 2547496 C2, 10.04.2015. RU 2134155 C1, 10.08.1999. SU 1766495 A1, 07.10.1992. IVO SAFARIC ET AL, Microwave assisted synthesis of magnetically responsive composite materials. IEEE transactions on magnetics, vol. 49, N0.1, January 2013. (54) СПОСОБ ПОЛУЧЕНИЯ КОМПОЗИЦИОННОГО СОРБЕНТА С МАГНИТНЫМИ ...

Porous graft copolymer particle, its manufacture method and use its sorbing material

本发明提供一种能够以高导入量导入吸附金属等的吸附性官能团的接枝共聚物、其制造方法以及使用该接枝共聚物的吸附材料。(1)本发明的多孔接枝共聚物粒子在多孔粒子(粒子表面具有平均孔径为0.01μm～50μm的微孔)上导入了接枝链，所述多孔粒子由选自烯烃类树脂、非水溶性改性乙烯醇类树脂、酰胺类树脂、纤维素类树脂、壳聚糖类树脂及(甲基)丙烯酸酯类树脂中至少1种以上树脂(聚合物A)形成的多孔粒子上而形成的多孔接枝共聚物粒子，所述聚合物A为，所述多孔粒子在其表面。(2)本发明的多孔接枝共聚物粒子的制造方法包括：将聚合物A与不同于聚合物A的聚合物B进行熔融混合而得到复合体的工序I、从所述复合体中提取出聚合物B而获得由聚合物A形成的多孔体的工序II、对多孔体进行粒子化的工序III、以及在粒子化的多孔体上进行接枝链的导入的工序IV。(3)本发明的吸附材料由多孔接枝共聚物粒子形成。

Method of manufacturing zeolite absorbent having excellent crezol absorption and zeolite absorbent using the same

본 발명은 크레졸 흡착력이 우수한 제올라이트 흡착제 및 이의 제조방법에 관한 것으로 보다 상세하게는 크레졸의 분리, 특히 m-크레졸과 p-크레졸의 공업적인 생산을 위한 제올라이트 흡착제 및 이의 제조방법과 크레졸 이성질체의 분리방법에 관한 것으로, (a) 바륨이온/알루미늄의 비가 1 내지 4가 되도록 하는 바륨염 전구체, 칼륨이온/알루미늄의 비가 0.1 내지 2가 되도록 하는 칼륨염 전구체 및 상기 알루미늄을 포함하는 제올라이트를 증류수에 혼합하여 용액을 제조하는 단계; (b) 용액을 25 내지 78 로 가열한 후 30분 내지 3 시간 유지하여 이온교환 반응을 진행하는 단계; (c) 이온교환 반응이 완료된 용액을 증류수로 세척하는 단계; 및 (d) 증류수로 세척한 용액을 여과하여 여과된 흡착제를 회수하는 단계를 포함하는 크레졸 흡착력이 우수한 제올라이트 흡착제의 제조방법 및 제올라이트 흡착제의 단위 g당 크레졸 흡착량이 0.12 내지 1.5 g인 것을 특징으로 하는 크레졸 흡착력이 우수한 제올라이트 흡착제가 제공된다.

Particulate water absorbent

本发明提供加压下吸水倍率及渗液性优异的颗粒状吸水剂。关于本发明的颗粒状吸水剂，由离心机保持量/Ln(可溶水成分量)所表达的比率、可溶水成分的分子量分布、水解处理后的重均分子量、及水解处理后的支化密度为特定范围的值。

Monolithic sorption materials based on polyethyleneimine for extraction of ions of heavy metals and organic pollutants

FIELD: chemistry. SUBSTANCE: invention relates to production of efficient polymer sorption materials. Disclosed is a sorption monolithic regenerable cryogel based on polyethyleneimine, which is obtained by cross-linking molecules of polyethyleneimine diglycidyl ethers of glycols at negative temperatures, followed by thawing and washing from unreacted reagents. Polyethylene imine cryogels produced directly in the sorption column are used as monolithic sorbents for extracting ions of metals and organic substances from water in a dynamic mode. EFFECT: technical result is disclosed monolithic cryogel cross-linked with nontoxic commercially available cross-linking agents, easy to use and effective for purifying water from contaminants in dynamic sorption mode. 4 cl, 1 tbl, 8 ex, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (51) МПК B01J 20/26 B01D 15/00 B01J 20/28 B01J 20/34 (11) (13) 2 741 002 C1 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01J 20/262 (2020.08); B01J 20/267 (2020.08); B01J 20/28045 (2020.08); B01J 20/3007 (2020.08); B01J 20/3014 (2020.08); B01D 15/206 (2020.08) (21)(22) Заявка: 2020113514, 15.04.2020 15.04.2020 Дата регистрации: 22.01.2021 (45) Опубликовано: 22.01.2021 Бюл. № 3 2 7 4 1 0 0 2 R U (56) Список документов, цитированных в отчете о поиске: Y.Privar et al. Polyethyleneimine cryogels for metal ions sorption. Chemical Engineering Journal, 2018, 334, p.1392-1398 (реферат, табл.1, пп.2.2, 2.3, 3.2). N.Sahiner, S.Demirci. Poly ionic liquid cryogel of polyethyleneimine: Synthesis, characterization, and testing in absorption studies. Journal of Applied Polymer Science, 2016, 43478, p.1-13 (см. прод.) (54) МОНОЛИТНЫЕ СОРБЦИОННЫЕ МАТЕРИАЛЫ НА ОСНОВЕ ПОЛИЭТИЛЕНИМИНА ДЛЯ ИЗВЛЕЧЕНИЯ ИОНОВ ТЯЖЁЛЫХ МЕТАЛЛОВ И ОРГАНИЧЕСКИХ ЗАГРЯЗНИТЕЛЕЙ (57) Реферат: Изобретение относится к получению сорбционной колонке криогели полиэтиленимина эффективных полимерных сорбционных используют в ...

Process for producing water-absorbing polymers with high absorption rate

본 발명은 (i) 상기 성분을 혼합시키는 단계: (α1) 0.1 내지 99.999중량%, 바람직하게는 20 내지 98.99중량% 및 좀더 바람직하게는 30 내지 98.95중량%의 산기, 바람직하게는 아크릴산을 함유하는 적어도 에틸렌계 불포화 단량체를 포함하는 혼합물에 특히 바람직하게 제공되는, 산기 또는 이의 염을 함유하는 중합된, 에틸렌계 불포화 단량체 또는 양성자화된 또는 4급화된 질소를 포함하는 중합된, 에틸렌계 불포화 단량체, 또는 이의 혼합물, (α2) 0 내지 70중량%, 바람직하게는 1 내지 60중량% 및 좀더 바람직하게는 1 내지 40중량%의 (α1)과 공중합 가능한 중합된, 에틸렌계 불포화 단량체, (α3) 0.001 내지 10중량%, 바람직하게는 0.01 내지 7중량% 및 좀더 바람직하게는 0.05 내지 5중량%의 하나 이상의 가교제, (α4) 0 내지 30중량%, 바람직하게는 1 내지 20중량% 및 좀더 바람직하게는 5 내지 10중량%의 수용성 중합체, 및 (α5) 0 내지 20중량%, 바람직하게는 0.01 내지 7중량% 및 좀더 바람직하게는 0.05 내지 5중량% 하나 이상의 보조제, 여기서 이들 (α1) 내지 (α5) 중량의 합이 100중량%이고, (ⅱ) 수-불용성 수성 미처리된 하이드로겔 중합체를 형성하기 위해 자유-라디칼 중합반응으로 가교결합시키는 단계, (ⅲ) 상기 하이드로겔 중합체를 건조시키는 단계, (ⅳ) 선택적으로 수분-흡수성 중합체를 가루로 만들고 체로 거르는 단계, (v) 상기 분쇄된 하이드로겔 중합체를 표면 후가교시키는 단계, 및 (ⅵ) 상기 수분-흡수성 중합체를 건조하고 마감 처리하는 단계를 포함하며, 여기서, 100　㎛ 내지 900　㎛의 입자 크기를 갖는 발포제는 개시제의 첨가 및 상기 자유-라디칼 중합반응의 시작 전에 상기 수성 단량체 용액에 첨가되는 수분-흡수성 중합체 조성물의 제조공정에 관한 것이다. (A) mixing 0.1 to 99.999% by weight, preferably 20 to 98.99% by weight and more preferably 30 to 98.95% by weight of an acid group, preferably acrylic acid, Ethylenically unsaturated monomers containing polymerizable, ethylenically unsaturated monomers or protonated or quaternized nitrogen containing acid groups or salts thereof, particularly preferably provided in a mixture comprising at least ethylenically unsaturated monomers, Or a mixture thereof, (a2) 0 to 70% by weight, preferably 1 to 60% by weight and more preferably 1 to 40% by weight of a polymerized ethylenically unsaturated monomer copolymerizable with (? 1) (A4) 0 to 30% by weight, preferably 1 to 20% by weight, and more preferably 1 to 10% by weight, preferably 0.01 to 7% by weight and more preferably 0.05 to 5% (A5) 0 to 20% by weight, preferably 0.01 to 7% by weight and more preferably 0.05 to 5% by weight of one or more adjuvants, wherein these (a1) to (ii) crosslinking with a free-radical polymerization reaction to form a water-insoluble aqueous untreated hydrogel polymer, (iii) ...

Porous graft copolymer particles, method for producing same, and adsorbent material using same

本发明提供一种能够以高导入量导入吸附金属等的吸附性官能团的接枝共聚物、其制造方法以及使用该接枝共聚物的吸附材料。(1)本发明的多孔接枝共聚物粒子在多孔粒子(粒子表面具有平均孔径为0.01μm～50μm的微孔)上导入了接枝链，所述多孔粒子由选自烯烃类树脂、非水溶性改性乙烯醇类树脂、酰胺类树脂、纤维素类树脂、壳聚糖类树脂及(甲基)丙烯酸酯类树脂中至少1种以上树脂(聚合物A)形成的多孔粒子上而形成的多孔接枝共聚物粒子，所述聚合物A为，所述多孔粒子在其表面。(2)本发明的多孔接枝共聚物粒子的制造方法包括：将聚合物A与不同于聚合物A的聚合物B进行熔融混合而得到复合体的工序I、从所述复合体中提取出聚合物B而获得由聚合物A形成的多孔体的工序II、对多孔体进行粒子化的工序III、以及在粒子化的多孔体上进行接枝链的导入的工序IV。(3)本发明的吸附材料由多孔接枝共聚物粒子形成。

Amino polycarboxylic acids as processing aids in the production of superabsorbents

Die Herstellung wasserabsorbierender Polymerpartikel durch Polymerisation einer Monomerlösung oder -suspension, die a) mindestens ein ethylenisch ungesättigtes, säuregruppentragendes Monomer, das wahlweise zumindest teilweise als Salz vorliegt, b) mindestens einen Vernetzer und c) mindestens einen Initiator enthält, wobei das Verfahren weiterhin Trocknung des erhaltenen Polymerisats sowie wahlweise Mahlung des getrockneten Polymerisats und Siebung des gemahlenen Polymerisats sowie wahlweise Oberflächennachvernetzung des getrockneten und gegebenenfalls gemahlenen und gesiebten Polymerisats umfasst, und wobei die Polymerisation in Gegenwart von Aminopolycarboxylsäuren und/oder deren Salzen, insbesondere von Ethylendiamindibernsteinsäure und/oder einem Salz davon erfolgt, wird beschrieben.

Aminopolycarboxylic acids useful as processing aids in the manufacture of superabsorbents

Described is the production of water-absorbing polymeric particles by polymerizing a monomer solution or suspension comprising a) at least one ethylenically unsaturated acid-functional monomer which is optionally at least partly present as salt, b) at least one crosslinker and c) at least one initiator, wherein the process further comprises drying the resulting polymer and also optionally grinding the dried polymer and sieving the ground polymer and also optionally surface-postcrosslinking the dried and possibly ground and sieved polymer, and wherein the polymerization is carried out in the presence of aminopolycarboxylic acids and/or salts thereof, in particular in the presence of ethylenediaminedisuccinic acid and/or a salt thereof.

Process for the preparation of water-absorbing polymers with high absorption rate

Die Erfindung betrifft ein Verfahren zur Herstellung einer wasserabsorbierenden Polymerzusammensetzung, umfassend die Verfahrenschritte (i) Mischen von (α1) 0,1 bis 99,999 Gew.-%, bevorzugt 20 bis 98,99 Gew.-% und besonders bevorzugt 30 bis 98,95 Gew.-% polymerisierten, ethylenisch ungesättigten, säuregruppenhaltigen Monomeren oder deren Salze oder polymerisierten, ethylenisch ungesättigten, einen protonierten oder quarternierten Stickstoff beinhaltenden Monomeren, oder deren Mischungen, wobei mindestens ethylenisch ungesättigte, säuregruppenhaltige Monomere, vorzugsweise Acrylsäure, beinhaltende Mischungen besonders bevorzugt sind, (α2) 0 bis 70 Gew.-%, bevorzugt 1 bis 60 Gew.-% und besonders bevorzugt 1 bis 40 Gew.-% polymerisierten, ethylenisch ungesättigten, mit (α1) copolymerisierbaren Monomeren, (α3) 0,001 bis 10 Gew.-%, bevorzugt 0,01 bis 7 Gew.-% und besonders bevorzugt 0,05 bis 5 Gew.-% eines oder mehrerer Vernetzer, (α4) 0 bis 30 Gew.-%, bevorzugt 1 bis 20 Gew.-% und besonders bevorzugt 5 bis 10 Gew.-% wasserlöslichen Polymeren, sowie (α5) 0 bis 20 Gew.-%, bevorzugt 0,01 bis 7 Gew.-% und besonders bevorzugt 0,05 bis 5 Gew.-% eines oder mehrerer Hilfsstoffe, wobei die Summe der Gewichtsmengen (α1) bis (α5) 100 Gew.-% beträgt. (ii) radikalische Polymerisation unter Vernetzung, um ein wasserunlösliches, wässriges unbehandeltes Hydrogel-Polymer zu bilden; (iii) Zerkleinern und Trocknen des Hydrogel-Polymers (iv) gegebenenfalls Mahlen und Absieben der wasserabsorbierenden Polymers, (v) Oberflächennachvernetzung des gemahlenen Hydrogel-Polymers und (vi) Trocknung und Konfektionierung des wasserabsorbierenden Polymers, wobei der wässrigen Monomerlösung, vor der Zugabe des Initiators und dem Start der radikalischen Polymerisation, Blähmittel mit einer Partikelgröße von 100 μm bis 900 μm zugesetzt werden The invention relates to a process for producing a water-absorbing polymer composition, comprising the process steps (i) mixing from (α1) 0.1 to 99.999% by weight, ...

Process for producing water-absorbing polymers with high absorption rate

The invention relates to a process for producing a water-absorbing polymer composition, comprising the process steps of (i) mixing (α1) 0.1 to 99.999% by weight, preferably 20 to 98.99% by weight and more preferably 30 to 98.95% by weight of polymerized, ethylenically unsaturated monomers containing acid groups or salts thereof or polymerized, ethylenically unsaturated monomers including a protonated or quaternized nitrogen, or mixtures thereof, particular preference being given to mixtures including at least ethylenically unsaturated monomers containing acid groups, preferably acrylic acid, (α2) 0 to 70% by weight, preferably 1 to 60% by weight and more preferably 1 to 40% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (α1), (α3) 0.001 to 10% by weight, preferably 0.01 to 7% by weight and more preferably 0.05 to 5% by weight of one or more crosslinkers, (α4) 0 to 30% by weight, preferably 1 to 20% by weight and more preferably 5 to 10% by weight of water-soluble polymers, and (α5) 0 to 20% by weight, preferably 0.01 to 7% by weight and more preferably 0.05 to 5% by weight of one or more assistants, where the sum of their weights (α1) to (α5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble aqueous untreated hydrogel polymer, (iii) comminuting and drying the hydrogel polymer, (iv) optionally grinding and sieving the water-absorbing polymer, (v) surface postcrosslinking the ground hydrogel polymer and (vi) drying and finishing the water-absorbing polymer, wherein blowing agents having a particle size of 100 µm to 900 µm are added to the aqueous monomer solution prior to the addition of the initiator and the start of the free-radical polymerization.

Water-absorbing polymer having a high absorption rate

A process for producing a water-absorbing polymer composition, comprising the process steps of (i) mixing (α1) 0.1 to 99.999% by weight of ethylenically unsaturated monomers containing acid groups or salts thereof (α2) 0 to 70% by weight of polymerized, ethylenically unsaturated monomers copolymerizable with (α1), (α3) 0.001 to 10% by weight of one or more crosslinkers, (α4) 0 to 30% by weight of water-soluble polymers, and (α5) 0 to 20% by weight of one or more assistants, where the sum of their weights (α1) to (α5) is 100% by weight, (ii) free-radical polymerization with crosslinking to form a water-insoluble aqueous untreated hydrogel polymer, and surface postcrosslinking the ground hydrogel polymer wherein blowing agents having a particle size of 100 μm to 900 μm are added to the aqueous monomer solution prior to the addition of the initiator and the start of the free-radical polymerization.

Process for the preparation of deordorizing absorbent

The deodorant is prepared by mixing about 15 wt.% a clay sintering agent(bentonite 325 mesh 10 wt.% mixture) and 25 wt.% sodium carbonate with 60 wt.% an illite powder of clay mineral to mold into an elementary particle, sintering the particle at about 950 deg.C to produce a granules. The deodorant of this granular form is easy to handle, and can remove all kinds of a harmful gas and offensive odor.

Patent FR2195478B1

CAPTATION MASS CONSISTING OF AN ACTIVE PHASE IN CRYSTALLINE FORM

Masse de captation de métaux lourds, en particulier de mercure, contenus dans une charge gazeuse ou liquide, ladite masse comprenant : - une phase active sous la forme d'une phase cristalline, ladite phase active comprenant au moins un sulfure métallique à base d'un métal M choisi dans le groupe constitué par le cuivre (Cu), le chrome (Cr), le manganèse (Mn), le fer (Fe), le cobalt (Co), et le nickel (Ni) ; - un support amorphe comprenant un matériau à base d'aluminium.

CAPTATION MASS CONSTITUTES AN ACTIVE PHASE IN CRYSTALLINE FORM

Masse de captation de métaux lourds, en particulier de mercure, contenus dans une charge gazeuse ou liquide, ladite masse comprenant : - une phase active sous la forme d'une phase cristalline, ladite phase active comprenant au moins un sulfure métallique à base d'un métal M choisi dans le groupe constitué par le cuivre (Cu), le chrome (Cr), le manganèse (Mn), le fer (Fe), le cobalt (Co), et le nickel (Ni) ; - un support amorphe comprenant un matériau à base d'aluminium. Mass for capturing heavy metals, in particular mercury, contained in a gaseous or liquid feed, said mass comprising: an active phase in the form of a crystalline phase, said active phase comprising at least one metal sulphide based on a metal M selected from the group consisting of copper (Cu), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), and nickel (Ni); - an amorphous support comprising an aluminum-based material.

PROCESS FOR CAPTURING SULFUR IMPURITIES USING SPECIFIC CAPACITY MASSES

L'invention a pour objet un procédé de captation d'impuretés soufrées, telles que l'H S et/ou le COS et/ou le CS , présentes dans des charges gazeuses comprenant de l'Hs et/ou du CO, comprenant a. la désulfuration par mise en contact, à une température allant de 20 à 450°C, de la charge à traiter avec une masse de captation renfermant une phase active comprenant - au moins un oxyde d'au moins un métal (I) du groupe VIIb, VIIIb, Ib, ou IIb, et au moins un oxyde d'au moins un métal (II) choisi dans le groupe constitué par Cr, Mo, W, et les terres rares tels que Pr, Nd, Ce, le rapport molaire entre le métal (I) et le métal (II) allant de 0, 6 à 20, b. optionnellement, l'inertage de la masse de captation sulfurés , c. la régénération par voie oxydante de ladite masse de captation, d. optionnellement, l'inertage de la masse de captation régénérée, et e. la désufuration par mise en contact, a une température allant de 20 à 400°C, de la charge à traiter avec ladite masse de captation régénérée et inertée, caractérisé en ce que la masse de captation est régénérée à une température allant de 20 a 600°C de préférence allant de 250 à 550°C. et plus préférentiellement allant de 300 à 480°C. The invention relates to a process for the capture of sulfur-containing impurities, such as H S and / or COS and / or CS, present in gaseous feeds comprising Hs and / or CO, comprising . the desulfurization by contacting, at a temperature ranging from 20 to 450 ° C., the feedstock to be treated with a capture mass containing an active phase comprising - at least one oxide of at least one metal (I) of group VIIb , VIIIb, Ib, or IIb, and at least one oxide of at least one metal (II) selected from the group consisting of Cr, Mo, W, and rare earths such as Pr, Nd, Ce, the molar ratio between the metal (I) and the metal (II) ranging from 0.6 to 20, b. optionally, the inerting of the sulphurised collection mass, c. oxidative regeneration of said capture mass, d. ...

METHOD FOR PREPARING AN ADSORBENT MATERIAL AND METHOD FOR EXTRACTING LITHIUM FROM SALINE SOLUTIONS USING SAID MATERIAL

Aminopolycarboxylic acids useful as processing aids in the manufacture of superabsorbents

초흡수제의 제조에서 가공 조제로서 유용한 아미노폴리카르복실산. a) 적어도 부분적으로 염 형태로 선택적으로 존재하는 적어도 하나의 에틸렌성 불포화산-관능성 모노머, b) 적어도 하나의 가교제, c) 적어도 하나의 개시제를 포함하는 모노머 용액 또는 현탁액을 중합시켜 수-흡수성 폴리머 입자를 제조하는 공정으로, 여기서 상기 공정은 얻어진 폴리머를 건조시키는 단계 및 또한 선택적으로 건조된 폴리머를 그라인딩하는 단계 및 그라인딩된 폴리머를 체질하는 단계, 및 또한 선택적으로 건조되고 가능한 그라인딩되며 체질된 폴리머를 표면-후가교시키는 단계, 및 또한 더욱 선택적으로 가능한 표면-후가교된 폴리머를 적어도 하나의 후처리제로 후처리시키는 단계를 더욱 포함하고, 상기 중합은 아미노폴리카르복실산 및/또는 이의 염의 존재, 특히 에틸렌디아민디숙신산 및/또는 이의 염의 존재에서 수행되는 수-흡수성 폴리머 입자의 생산이 개시된다.

IMPROVED PERFORMANCE CAPTATION MASS AND ITS USE IN CAPTURING HEAVY METALS

La présente invention concerne l'élimination de métaux lourds et notamment de mercure et éventuellement d'arsenic et de plomb présents dans un effluent gazeux ou liquide, au moyen d'une masse de captation comprenant un support essentiellement à base d'alumine obtenue par voie gel et au moins un élément choisi dans le groupe constitué par le cuivre, le molybdène, le tungstène, le fer, le nickel et le cobalt. L'invention s'applique avantageusement au traitement de gaz d'origine industrielle, de gaz de synthèse, de gaz naturel, de condensats en phase gazeuse et de charges hydrocarbonées liquides. The present invention relates to the elimination of heavy metals and in particular of mercury and possibly arsenic and lead present in a gaseous or liquid effluent, by means of a capture mass comprising a support essentially based on alumina obtained by gel and at least one member selected from the group consisting of copper, molybdenum, tungsten, iron, nickel and cobalt. The invention is advantageously applicable to the treatment of gases of industrial origin, synthesis gas, natural gas, condensates in the gas phase and liquid hydrocarbon feeds.

PROCESS FOR PREPARING SOLIDS FROM A MIXTURE OF AT LEAST ONE MALACHITE POWDER AND OXIDE POWDER AND USE THEREOF

L invention concerne un procédé de préparation d un solide comprenant le mélange d un ensemble comprenant au moins une poudre de Cu2(OH)2CO3, une poudre d un oxyde d un métal choisi dans le groupe constitué par le cuivre, le zinc, le fer, le manganèse et leur mélange, et au moins un liant ainsi que l utilisation du solide préparé par ce procédé. The invention relates to a process for the preparation of a solid comprising mixing an assembly comprising at least one Cu 2 (OH) 2 CO 3 powder, a powder of an oxide of a metal selected from the group consisting of copper, zinc and iron. , manganese and their mixture, and at least one binder and the use of the solid prepared by this process.

Process for producing water-absorbing polymers with high absorption rate

本發明係關於一種用於製造吸水性聚合物組合物的方法，包含以下處理步驟：(i)混合(α1)0.1至99.999重量%，較佳20至98.99重量%，更佳30至98.95重量%的含酸性基團的聚合烯鍵式不飽和單體或其鹽類、或包括一質子化或四級化(quarternized)氮的聚合烯鍵式不飽和單體、或其混合物，尤以包括含酸性基團的至少烯鍵式不飽和單體，較佳丙烯酸，的混合物為較佳，(α2)0至70重量%，較佳1至60重量%，更佳1至40重量%的可與(α1)共聚合的聚合烯鍵式不飽和單體，(α3)0.001至10重量%，較佳0.01至7重量%，更佳0.05至5重量%的一或多種交聯劑，(α4)0至30重量%，較佳1至20重量%，更佳5至10重量%的水溶性聚合物，以及(α5)0至20重量%，較佳0.01至7重量%，更佳0.05至5重量%的一或多種助劑，其中(α1)至(α5)的總重量為100重量%；(ii)以交聯的自由基聚合反應形成非水溶性的含水未處理水凝膠聚合物；(iii)磨碎並乾燥該水凝膠聚合物，(iv)視需要研磨及篩選該吸水性聚合物，(v)表面後交聯該經研磨之水凝膠聚合物，以及(vi)乾燥及完成該吸水性聚合物，其中，於添加起始劑並開始自由基聚合反應之前，添加顆粒尺寸為100微米至900微米之起泡劑(blowing agent)至該含水單體溶液中。

Method for producing oxygen absorbent

［課題］大気雰囲気下での過度な発熱を抑え、安定して酸素吸収性能を維持できる酸素吸収剤が得られる方法を提供する。［手段］酸素吸収剤を製造する方法であって、（Ａ）マンガン族、鉄族、白金族および銅族からなる群より選択される少なくとも１種の遷移金属と、（Ｂ）アルミニウム、亜鉛、スズ、鉛、マグネシウムおよびケイ素からなる群より選択される少なくとも１種の金属と、を含む合金（Ｘ）を、酸またはアルカリの水溶液処理に供して、前記成分（Ｂ）の少なくとも一部を溶出除去し、前記成分（Ｂ）の少なくとも一部が除去された合金（Ｙ）を、前記成分（Ａ）の遷移金属と塩を形成し得る無機酸塩または有機酸塩の水溶液で処理して、前記合金（Ｙ）の表面の少なくとも一部に金属塩を形成させる。

Decomposition and removal agent for fluorine-containing gas, manufacturing method thereof, fluorine-containing gas removal method using the same, and method for recovering fluorine resources

불소 함유 가스, 특히 반도체 등 제조시의 에칭이나 CVD 장치의 드라이 클리닝에 사용되는 퍼플루오로 화합물(PFC)을, 물이나 산소를 첨가하지 않고 효율적으로 분해할 수 있고, 불소를 알칼리 토류 불화물로서 제거제 중에 고정화하는 제거제, 이의 제조방법과, 이를 사용한 불소 함유 가스 제거 방법, 및 불소 자원을 회수하는 방법을 제공하는 것. 상기 과제는, 알루미나와 알칼리 토류 금속 화합물을 포함하는 불소 함유 가스 제거제로서, 질량전하비가 15인 암모니아 TPD-MS법에 의한 암모니아 탈리 곡선이, 200℃ 미만의 범위에 피크를 갖고, 또한 200℃ 이상의 범위에 숄더를 갖는, 불소 함유 가스 제거제에 의해 해결된다.

Adsorbent composition containing enstatite, method for obtaining same and use thereof

The invention relates to a composition of an adsorbent material, characterised in that it contains enstatite together with a second component selected from (a) activated carbon and (b) alumina dust, which can take the form of: granules; pellets; spheres; solid cylinders; pipe-type hollow cylinders which may be smooth or grooved, straight or curved and cut in any regular or irregular shape and size; or plates. The composition preferably takes the form of a structure having parallel channels running along the length of the longitudinal axis thereof, said channels numbering between 2 and 100 per centimeter squared of cross-section. The invention also relates to the use of said composition as an adsorbent material for liquids, gases and steams.

PROCESS FOR THE PREPARATION OF REACTIVE SURFACES

Reduction of mercury vapor emissions

本公开的一些方面涉及一种方法，所述方法包括：获得吸附剂聚合物复合材料，使得所述吸附剂聚合物复合材料与汞蒸气接触以形成经使用的吸附剂聚合物复合材料；其中，所述经使用的吸附剂聚合物复合材料包含氧化的汞，并且经使用的吸附剂聚合物复合材料排放氧化的汞蒸气，并且使得经使用的吸附剂聚合物复合材料与卤素源接触，以获得经处理的吸附剂聚合物复合材料。在一些实施方式中，当在相对湿度95％的空气中于65℃下测量时，与经使用的吸附剂聚合物复合物相比，经处理的吸附剂聚合物复合材料排放低于0.01μg氧化的汞蒸气/分钟/克经处理的吸附剂聚合物复合物。

N-vinyl lactam-based crosslinked polymer, cosmetic, absorbent agent for ink and absorbent composite

The invention aims to provide an absorbent composite having an excellent absorption capacity for various liquids. The invention relates to an absorbent composite including: a nonionic crosslinked polymer; and an absorbent base material, the absorbent composite having a mass ratio of the nonionic crosslinked polymer to the absorbent base material (nonionic crosslinked polymer/absorbent base material) of 0.1 or more and less than 2.

Process of providing active surfaces

process for producing a water-absorbent polymer composition, composite, process for producing a composite, foams, molds, fibers, sheets, films, cables, sealing materials, liquid-absorbent toiletries, plant growth carriers and fungal growth regulators, packaging materials, soil additives or building materials and use of the water absorbing polymer or composite

processo de produção de uma composição de polímeros absorventes de água, compósito, processo para produção de um compósito, espumas, moldes, fibras, folhas, películas, cabos, materiais de vedação, artigos de higiene absorventes de líquidos, transportadores para o crescimento de plantas e reguladores de crescimento de fungos, materiais de embalagem, aditivos para o solo ou materiais de construção e uso do polímero absorvente de água ou de um compósito a invenção refere-se a um processo de produção de uma composição de polímeros absorventes de água compreendendo as etapas de (i) mistura (<244>1) 0,1 a 99,999% em peso, preferencialmente 20 a 98,99% em peso, e ainda mais preferencialmente 30 a 98,95% em peso de monômeros polimerizados etilenicamente insaturados contendo grupos ácidos ou seus sais ou monômeros polimerizados etilenicamente insaturados cotendo azoto protonado ou quaternizado, ou misturas destes, sendo particular preferência dada a misturas que contêm pelo menos monômeros etilenicamente insaturados contendo grupos ácidos, de preferência ácido acrílico, (<244>2) a 70% em peso, de preferência 1 a 60% em peso e mais preferencialmente de 1 a 40% em peso de monômeros polimerizados etilenicamente insaturados copolimerizados com (<244>1), (<244>3) 0,001 a 10% em peso, de preferência 0,01 a 7% em peso e mais preferencialmente 0,05 a 5% em peso de um ou mais agentes de reticulação, (<244>4) 0 a 30% em peso, de preferência de 1 a 20% em peso e mais preferencialmente de 5 a 10% em peso de polímeros solúveis em água, e (<244>5) de 0 a 20% em peso, de preferência 0,01 a 7% em peso e mais preferencialmente de 0,05 a 5% em peso de um ou mais agentes auxiliares, em que a soma de seus pesos (<244>1) a (<244>5) é 100% em peso, (ii) polimerização de radicais livres com reticulação para formar um polímero hidrogel aquoso, não-tratado, insolúvel em água, (iii) emigaçar e secar do polímero hidrogel, (iv) opcionalmente trituração e ...

Continuous synthesis of a titanosilicate zeolitic material, said zeolitic material, molding prepared thereof, and their use

The present invention relates to a specific continuous process for preparing a zeolitic material having a framework structure type selected from the group consisting of MFI, MEL, IMF, SVY, FER, SVR, and intergrowth structures of two or more thereof, preferably an MFI- and/or MEL- type framework structure, comprising Si, Ti, and O, and to a zeolitic material as obtainable and/or obtained according to said process. Further, the present invention relates to a process for preparing a molding, and to a molding obtainable and/or obtained according to said process. Yet further, the present invention relates to a use of said zeolitic material and molding.

Process for producing bone grafting material, bone grafting material, three-dimensional support for cell culture, and separation support for chromatography

A novel process for producing a bond grafting material. The process for bone grafting material production comprises: a kneading step in which a raw material comprising a calcic substance and a material comprising a binder are kneaded together; a molding step in which the mixture obtained in the kneading step is injection-molded with an injection molding machine having a mold to obtain a molding of a given shape; a binder removal (degreasing) step in which the binder contained in the molding obtained in the molding step is removed to obtain a degreased object; and a sintering step in which the degreased object after the binder removal step is heated and sintered to obtain a sinter.

Adsorbents for removing nitrogen oxides and method of treating nitrogen oxides using the same

본 발명은 질소 산화물 제거용 흡착제 및 이를 이용한 질소 산화물 처리방법에 관한 것으로서, 본 발명에 따른 질소 산화물 제거용 흡착제는 POU-스크루버, 흡착탑 등에 적용 시 우수한 흡착성능을 나타낼 수 있고 제품수명 등이 향상된 특성이 있다.

A kind of continuous mixing, granulation and the drying device of adsorbent material

本发明公开了一种吸附剂物料的连续混合、造粒与干燥装置，包括气流输送管道、第一物料仓、第一加料口、加料阀、混合容器、旋转阀、输送装置、第二物料仓、双螺旋混合机、单螺杆挤出机。本发明通过设置气流输送管道、第一物料仓、第一加料口、加料阀、混合容器、旋转阀、输送装置、第二物料仓、双螺旋混合机、单螺杆挤出机、布料机、网袋式干燥箱、第二加料口和第三加料口的配合使用，解决了现有的吸附剂物料的连续混合、造粒与干燥装置在使用的过程中物料混合不均，生产间断和不易成形的问题，该吸附剂物料的连续混合、造粒与干燥装置，具备液相比例添加精准、物料混合均匀、挤出顺畅和连续运行的优点。

A kind of continuous mixing, granulation and the drying device of adsorbent material

本发明公开了一种吸附剂物料的连续混合、造粒与干燥装置，包括气流输送管道、第一物料仓、第一加料口、加料阀、混合容器、旋转阀、输送装置、第二物料仓、双螺旋混合机、单螺杆挤出机。本发明通过设置气流输送管道、第一物料仓、第一加料口、加料阀、混合容器、旋转阀、输送装置、第二物料仓、双螺旋混合机、单螺杆挤出机、布料机、网袋式干燥箱、第二加料口和第三加料口的配合使用，解决了现有的吸附剂物料的连续混合、造粒与干燥装置在使用的过程中物料混合不均，生产间断和不易成形的问题，该吸附剂物料的连续混合、造粒与干燥装置，具备液相比例添加精准、物料混合均匀、挤出顺畅和连续运行的优点。

AN ADSORBENT COMPOSITION WITH ENSTATITA, METHOD OF OBTAINING AND USE

Una composicion de un material adsorbente caracterizada porque comprende enstatita junto con un segundo componente seleccionado entre: a) carbon activado y b) polvo de alumina, que puede estar conformada como gránulos; pastillas, esferas, cilindros másicos; cilindros huecos tipo macarron liso o estriado, recto, curvo, de corte regular o irregular en cualquier forma y tamano; o placas y preferentemente está conformada como una estructura de canales paralelos a lo largo del eje longitudinal en un numero mayor de 2 y menor de 100 canales por centímetro cuadrado de seccion transversal, y a su uso como material adsorbente para líquidos, gases y vapores. A composition of an adsorbent material characterized in that it comprises enstatite together with a second component selected from: a) activated carbon and b) alumina powder, which may be formed as granules; tablets, spheres, mass cylinders; hollow cylinders macaroni smooth or striated, straight, curved, regular or irregular cut in any shape and size; or plates and preferably is formed as a structure of parallel channels along the longitudinal axis in a number greater than 2 and less than 100 channels per square centimeter of cross section, and its use as adsorbent material for liquids, gases and vapors.

Patent JPS4947250A

Organometallic skeleton materials based on 2,5-furandicarboxylic or 2,5-thiophenecarboxylic acid

FIELD: chemistry. SUBSTANCE: invention relates to a porous organometallic skeleton material. The material contains at least a double-coordination organic compound, coordinationally connected with at least one metal ion and representing a derivative of 2,5-furandicarboxylic or 2,5-thiophenecarboxylic acid. At least one metal ion is a ion of a metal, selected from the group, including aluminium, magnesium and zinc. The concept "derivative" means that 2,5-furandicarboxylic acid or 2,5-thiophenedicarboxylic acid can be present in the skeleton material in a partially or completely deprotonated form. Also claimed are: moulded product, method of obtaining the skeleton material, application of the skeleton material or the moulded product. EFFECT: invention makes it possible to obtain the skeleton material, which can be applied for gas accumulation and separation of gas from a gas mixture. 9 cl, 3 dwg, 6 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (51) МПК C07F 3/02 C07F 3/06 C07F 5/06 B01D 53/02 C01B 3/56 (13) 2 561 603 C2 (2006.01) (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ (21)(22) Заявка: ИЗОБРЕТЕНИЯ К ПАТЕНТУ 2012127209/04, 25.11.2010 (24) Дата начала отсчета срока действия патента: 25.11.2010 Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): ТРУХАН Наталия Николаевна (DE), МЮЛЛЕР Ульрих (DE), ХАЙМАНН Йенс (DE), КИНДЛЕР Алоис (DE) (43) Дата публикации заявки: 10.01.2014 Бюл. № 1 R U (73) Патентообладатель(и): БАСФ СЕ (DE) 30.11.2009 EP 09177495.0 (45) Опубликовано: 27.08.2015 Бюл. № 24 (86) Заявка PCT: C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 02.07.2012 EP 2010/068234 (25.11.2010) (87) Публикация заявки PCT: 2 5 6 1 6 0 3 WO 2011/064307 (03.06.2011) R U 2 5 6 1 6 0 3 (56) Список документов, цитированных в отчете о поиске: WO 2008057140 A2, 15.05.2008 . WO 2007044473 A2, 19.04.2007. JIA H.-P. et al, Synthesis, Structure and Magnetism of MetalOrganic Framework Material ...

Method for producing polyacrylic acid (salt)-based water-absorbent resin

Process for producing bone grafting material, bone grafting material, three-dimensional support for cell culture, and separation support for chromatography

Carbon monoliths and a process for producing same

A carbon monolith and a process of producing same, the process comprising the steps of: (i) mixing a carbonaceous precursor material with an alkali salt to form a first mixture; (ii) extruding the first mixture produced in step (i) into the shape of a monolith; and (iii) carbonizing the monolith produced in step (ii).

Water-absorbing resins and preparation method thereof

本发明涉及一种吸水性树脂及其制备方法，更详细地，涉及一种能够制备交联结构均匀且具有适当水平的交联度而吸水力得到显著改善的吸水性树脂的方法，所述方法是通过包含以下步骤来实现的。所述步骤为，在第一内部交联剂和交联反应性低于第一内部交联剂的第二内部交联剂的存在下，使包含丙烯酸类单体的不饱和单体交联聚合。

Oxygen-absorbing resin composition

提供一种氧吸收性聚酯树脂组合物，其即使在不存在过渡金属催化剂下也具有优异的氧吸收性，而且无论所含有的作为基材树脂的聚酯树脂的玻璃化转变温度如何，其也具有氧吸收性。所述氧吸收性聚酯树脂组合物包含:含有聚酯树脂的基材树脂(A)；含有具有不饱和脂环结构的化合物的氧吸收组分(B)；和用于促进所述氧吸收组分(B)的氧化的具有苄基氢的化合物作为氧化促进组分(C)。

PROCESS FOR CAPTURING SULFUR IMPURITIES USING SPECIFIC CAPACITY MASSES

L'invention a pour objet un procédé de captation d'impuretés soufrées, telles que l'H S et/ou le COS et/ou le CS , présentes dans des charges gazeuses comprenant de l'Hs et/ou du CO, comprenant a. la désulfuration par mise en contact, à une température allant de 20 à 450°C, de la charge à traiter avec une masse de captation renfermant une phase active comprenant - au moins un oxyde d'au moins un métal (I) du groupe VIIb, VIIIb, Ib, ou IIb, et au moins un oxyde d'au moins un métal (II) choisi dans le groupe constitué par Cr, Mo, W, et les terres rares tels que Pr, Nd, Ce, le rapport molaire entre le métal (I) et le métal (II) allant de 0, 6 à 20, b. optionnellement, l'inertage de la masse de captation sulfurés , c. la régénération par voie oxydante de ladite masse de captation, d. optionnellement, l'inertage de la masse de captation régénérée, et e. la désufuration par mise en contact, a une température allant de 20 à 400°C, de la charge à traiter avec ladite masse de captation régénérée et inertée, caractérisé en ce que la masse de captation est régénérée à une température allant de 20 a 600°C de préférence allant de 250 à 550°C. et plus préférentiellement allant de 300 à 480°C. The subject of the invention is a process for capturing sulfur-containing impurities, such as H S and / or COS and / or CS, present in gas feeds comprising Hs and / or CO, comprising a . desulfurization by contacting, at a temperature ranging from 20 to 450 ° C, the feed to be treated with a capture mass containing an active phase comprising - at least one oxide of at least one metal (I) from group VIIb , VIIIb, Ib, or IIb, and at least one oxide of at least one metal (II) chosen from the group consisting of Cr, Mo, W, and rare earths such as Pr, Nd, Ce, the molar ratio between the metal (I) and the metal (II) ranging from 0.6 to 20, b. optionally, inerting the sulphide capture mass, c. regeneration by oxidative route of said collection mass, d. optionally, ...

ABSORBENT POLYMERS AND METHODS FOR PRODUCTION AND USE

Polímeros absorbentes producidos a partir de b-propiolactona, y métodos para su producción. Estos polímeros absorbentes pueden ser reticulados. La b-propiolactona puede derivarse de óxido de etileno y monóxido de carbono. El polímero absorbente puede ser un producto de origen biológico y/o ser biodegradable. Los polímeros absorbentes se pueden usar para pañales, productos para la incontinencia de adultos y productos para la higiene femenina, así como para aplicaciones agrícolas. Absorbent polymers produced from b-propiolactone, and methods for their production. These absorbent polymers can be crosslinked. The b-propiolactone can be derived from ethylene oxide and carbon monoxide. The absorbent polymer can be a product of biological origin and / or be biodegradable. Absorbent polymers can be used for diapers, adult incontinence products and feminine hygiene products, as well as for agricultural applications.

Method for manufacturing synthetic zeolite using spent catalyst generated in petrochemical process and adsorbent manufactured thereby

According to the present invention, a method for preparing synthetic zeolite using a waste catalyst generated in a petrochemical process comprises the steps of: (a) mixing silica (SiO_2) powder or alumina (Al_2O_3) powder with the waste catalyst so that a silica/alumina ratio can be suitable for a synthetic zeolite type, based on a component composition ratio of the waste catalyst; (b) mixing the waste catalyst mixture mixed in above step (a) and an alkaline material by stirring; (c) heating and melting the waste catalyst mixture mixed in above step (b); (d) mixing the waste catalyst mixture molten in above step (c), water, an aluminum source, and a synthetic zeolite seed; (e) aging the mixture mixed in above step (d) by heating and stirring the mixture at 20 to 60 ℃ for one to five hours; (f) synthesizing zeolite by heating, stirring, and crystallizing the mixture aged in above step (e) at 80 to 100 ℃ for 1-72 hours; and (g) filtering, washing, and drying the synthetic zeolite synthesized in above step (f).

The production method of the hydrated cured products of lime-gypsum-coal ash mixture

本发明提供了一种以简单方法在高产率下生产能够形成高性能脱硫剂的石灰-石膏-煤灰混合物水合固化产品的方法，该方法包括向由石灰、废脱硫剂和煤灰组成的混合物中加水，然后捏和得到的混合物，接着通过一个直径为2-10mm的孔挤压得到的捏和料制成子弹状材料，将所说的子弹状材料水合固化后干燥。

Decomposition removal agent for fluorine-containing gas, method for producing the same, method for removing fluorine-containing gas using the same, and method for recovering fluorine resources

Adsorbent for selective adsorption of carbon monoxide and method for preparation thereof

The present invention relates to a selective adsorbent and a method of manufacturing the carbon monoxide, more particularly, solid additives, including the clay in step, the adsorbent powder mixture for preparing a sorbent powder mixture was then dried and ground mixture of CuCl and Al 2 O 3 To produce a solid mixture, to prepare a liquid mixture comprising silica sol and water, and to mix the solid mixture with a liquid mixture to produce an adsorbent composition. &Lt; RTI ID = 0.0 &gt;Way; And an adsorbent produced by such a method.

Method of preparation of material for adsorbing iodine

An adsorbing material comprises a porous body having larger pores of a mean pore diameter of 200 to 2000 Å and smaller pores of a mean pore diameter of 40 to 200 Å on the surface of the larger pores. The porous body being impregnated with a metal such as silver or copper, or a salt thereof such as silver nitrate. This material has excellent adsorbing performance for iodine and/or organic iodine compounds under any degree of humidity. It may be made by making particles having the smaller pores and the bonding of these particles together. e.g. by sintering.

Catalyst and its use in desulphurisation

A catalyst is provided comprising nickel in a reduced valence state on a carrier comprising zinc oxide and alumina, wherein the Zn:Ni atomic ratio is at least 12, and the catalyst particles are prepared by: mixing zinc oxide in the form of a powder and alumina or an alumina precursor in the form of a powder; peptising the powder mixture and forming an extrudable dough by adding acid and water to the powder mixture in such amounts that the dough contains 0.8-1.2 moles acid equivalents per kg powder; extruding the extrudable dough to form extrudates; drying and calcining the extrudates; impregnating the extrudates with an aqueous solution of a nickel compound; drying, calcining and reducing the impregnated extrudates. Further provided is a process for desulphurisation of a hydrocarbonaceous feedstock using such catalyst.

Water-purifying agent and water purification method

공업 배수 등의 수 정화에 사용하는 식물 유래의 수 정화제로서, 그 식물 유래의 수 정화제를 사용한 배수의 정화 처리를, 자동화 정화 처리 장치를 사용하여 행할 때, 그 자동화 정화 처리 장치에 바람직하게 사용할 수 있는 수 정화제로서, 식물 분말의 조립물을 갖는 것을 특징으로 하는 수 정화제이다. 보다 바람직하게는 수 정화제의 안식각, 압축도, 및 스패출러각의 3 항목을 측정함으로써 얻어지는 Carr 의 유동성 지수가 40 이상인 수 정화제이다. As a plant-derived water purification agent used for water purification of industrial wastewater, etc., when a purification treatment of wastewater using the plant-derived water purification agent is performed using an automated purification processing apparatus, it can be preferably used in the automatic purification processing apparatus. It is a water purification agent characterized in that it has a granulated product of plant powder. More preferably, it is a water purification agent with a Carr fluidity index of 40 or more obtained by measuring three items of an angle of repose, a compressibility, and a spatula angle of the water purification agent.

Agent for removing halogen gas, method for producing same, method for removing halogen gas with use of same, and system for removing halogen gas

廃ガス中の塩素などのハロゲンガスを還元除去するための除去剤、その製造方法、それを用いたハロゲンガス除去方法、及びハロゲンガスを除去するシステムを提供する。　ホスト材料としての擬ベーマイトと、ゲスト材料としての硫黄含有還元剤を少なくとも含有するハロゲンガス除去剤。好ましくは擬ベーマイトと硫黄含有還元剤の合計量を基準として、硫黄元素換算で１～８重量％の還元剤を含むことが好ましく、更に第三成分としてアルカリ土類金属元素、遷移金属元素、亜鉛族元素の酸化物、炭酸塩、炭化水素塩の少なくとも一種の無機化合物を更に含むことが好ましい。

Adsorbent and deodorizing products

화학 흡착 성능이 높고, 수지 열화를 일으키지 않는 산성 가스용 화학 흡착제를 제공하는 것, 또, 당해 흡착제를 사용하여 우수한 소취 성능을 발휘하는 종이, 부직포 및 섬유 등의 소취 가공 제품을 제공하는 것. 식 (1) 로 나타내는 비정질 수산화지르코닐을 주성분으로 하는 산성 가스용 화학 흡착제, 및 상기 산성 가스용 화학 흡착제를 도포 또는 혼련 가공한 소취 가공 제품. (ZrO) 1-x (HfO) x (OH) y ·zH 2 O (1) 식 (1) 에 있어서, x, y 및 z 는 양수이고, x = 0.0001 ∼ 0.005, y = 1.9 ∼ 3.0, z = 0.05 ∼ 1.0 을 만족하는 수이다. To provide a chemical adsorbent for acid gas that has high chemical adsorption performance and does not cause resin deterioration, and to provide deodorizing products such as paper, nonwoven fabric, and fiber which exhibit excellent deodorizing performance using the adsorbent. The chemical adsorbent for acid gases which has an amorphous zirconyl hydroxide represented by Formula (1) as a main component, and the deodorizing processed product which apply|coated or kneaded the said chemical adsorbent for acid gases. (ZrO) 1-x (HfO) x (OH) y zH 2 O (1) In Formula (1), x, y, and z are positive numbers, and are a number which satisfy|fills x=0.0001-0.005, y=1.9-3.0, and z=0.05-1.0.

Compounded surface treated carboxyalkylated starch polycrylate composites

Molded body

[Problem] To provide a molded body which has excellent strength and high durability in terms of repeated use, while being capable of maintaining high adsorption performance even in cases where the amount of a binder resin contained therein is decreased. [Solution] A molded body which contains cerium oxide particles and a binder resin, and wherein cerium oxide particles having an average particle diameter of 1-15 μm and a crystallite size of 40-200 nm are used.

A desulfurizer for conversion and absorption of high-concentration carbonyl sulfide and a desulfurizer for catalytic conversion and absorption of carbon disulfide and their preparation methods

A High-concentration carbonyl sulfide conversion-absorption type desulfurizer and preparation method thereof at medium-low temperature, the desulfurizer consisting of: 50%-75% magnetic iron oxide red (Fe21.333O32), 5%-10% alkali metal oxide (K2O), 5-35% anatase (TiO2), and 5-10% shaping binder. Also disclosed is a method of preparing the desulfurizer: uniformly mixing the metatitanic acid recycled from the titanium white by-product ferrous sulfate with K2CO3, calcinating to activate at 5000C-7000C, mixing with the magnetic iron oxide red and the binder, rolling to shape at room temperature, and drying at 1000C -1500C. The desulfurizer provides more than 99% of hydrolysis conversion of carbonyl sulfide, with a high sulfur capacity of more than 25%.

Composite adsorbent

(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。

Particulate water absorbent

加圧下吸水倍率及び通液性に優れた粒子状吸水剤を提供する。本発明の粒子状吸水剤は、遠心分離機保持容量／Ｌｎ（水可溶分量）で表される比率、水可溶分の分子量分布、加水分解処理後の重量平均分子量及び加水分解処理後の分岐密度が特定の範囲の値を示す。 Provided is a particulate water-absorbing agent excellent in water absorption capacity under pressure and liquid permeability. The particulate water-absorbing agent of the present invention has a ratio represented by centrifuge retention capacity / Ln (water-soluble content), a molecular weight distribution of water-soluble content, a weight average molecular weight after hydrolysis treatment, and a content after hydrolysis treatment. The branch density shows a value within a specific range.

Patent DE2340604C2

Process for the preparation of a sorbent for retaining fluids

Adsorbent and deodorizing processed product

本發明提供一種化學吸附性能高且不會產生樹脂劣化的酸性氣體用化學吸附劑，並提供使用該吸附劑而發揮優異除臭性能的紙、不織布及纖維等除臭加工製品。酸性氣體用化學吸附劑係將下述式(1)所示非晶質氫氧化氧鋯作為主成分，除臭加工製品係塗佈或混練加工有前述酸性氣體用化學吸附劑而成者。 (ZrO) 1-x (HfO) x (OH) y ．zH 2 O (1) 式(1)中，x、y及z為正數，且為滿足x=0.0001~0.005、y=1.9~3.0、z=0.05~1.0的數。

COMPOSITION OF AN ADSORBENT CONTAINING ANSTATITIS, METHOD FOR PRODUCING IT AND ITS APPLICATION

1. Композиция адсорбирующего материала, отличающаяся тем, что она включает энстатит вместе со вторым компонентом, выбранным из группы, включающей: ! а) активированный уголь и ! б) порошкообразный оксид алюминия, ! и указанная композиция сформована в виде полых цилиндров. ! 2. Композиция адсорбирующего материала по п.1, отличающаяся тем, что указанные полые цилиндры выбраны из группы, включающей гладкие цилиндры, разделенные на одинаковые или неодинаковые куски, покрытые бороздками цилиндры, разделенные на одинаковые или неодинаковые куски, прямые цилиндры, разделенные на одинаковые или неодинаковые куски, и изогнутые цилиндры, разделенные на одинаковые или неодинаковые куски. ! 3. Композиция адсорбирующего материала по п.1, отличающаяся тем, что указанная композиция сформована в виде структуры с параллельными каналами в продольном направлении, которых больше 2 и меньше 100 каналов/(см2 поперечного сечения). ! 4. Композиция по одному из предыдущих пунктов, отличающаяся тем, что она включает энстатит и активированный уголь и содержит изолированные частицы активированного угля, обладающие размером от 2 до 20 мкм. ! 5. Композиция по одному из пп.1 или 2, отличающаяся тем, что она включает энстатит и оксид алюминия. ! 6. Способ получения композиции по п.1, отличающийся тем, что он включает следующие стадии: ! а) перемешивания порошков α-сепиолита и второго компонента до получения однородной смеси порошков, ! б) замешивания полученной однородной смеси порошков с прибавлением воды для получения влажной пасты, ! в) формования влажной пасты с приданием формы, необходимой для получения элемента, ! г) сушки формованного элемента с помощью в