separation iron patent
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separation iron patent

WO2013086606A1 - Separation of iron from ... - Google

Separation of iron from cobalt and nickel is obtained. The invention provides a process for the leaching of a laterite ore, concentrate, tailings or waste rock for the recovery of value metals, at least one value metal being nickel. The laterite ore or concentrate is subjected to a leaching step with a lixiviant comprising hydrochloric acid to leach nickel from the laterite ore, followed by a ...

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US3434947A - Process for the separation of iron from

US3434947A - Process for the separation of iron from metal sulphate solutions and a hydrometallurgic process for the production of zinc - Google Patents Process for the separation of iron from metal sulphate solutions and a hydrometallurgic process for the production of zinc Download PDF Info Publication number US3434947A. US3434947A US3434947DA US3434947A US 3434947 A

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US20130149219A1 - Separation of iron from value metals

Separation of iron from cobalt and nickel is obtained. The invention provides a process for the leaching of a laterite ore, concentrate, tailings or waste rock for the recovery of value metals, at least one value metal being nickel. The laterite ore or concentrate is subjected to a leaching step with a lixiviant comprising hydrochloric acid to leach nickel from the laterite ore, followed by a ...

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US8673048B2 - Magnetic separation of iron ... - Google

Iron impurities may be removed from volumes of molten aluminum or magnesium metals or alloys by applying a static magnetic field gradient to each of the molten metal volumes, or melts. The magnetic field gradient is applied to each of the melts so that separate-phase iron impurities suspended therein will move in the direction of the applied magnetic field and become concentrated in a ...

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METHOD OF SEPARATING AND RECOVERING IRON FROM

A method of separating and recovering iron from a waste non-ferrous slag, discharged from a process for smelting of non-ferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste non-ferrous slag; (b) mixing the waste non-ferrous slag, crushed in step (a), with carbon as a reducing agent and calcium carbonate ...

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US Patent for Process for the separation of iron in ...

29/11/2013  Justia Patents Treating With Sulfur Or Halogen Containing Acid US Patent for Process for the separation of iron in extraction of titanium in mixed chloride media Patent (Patent # 10,041,141) Process for the separation of iron in extraction of titanium in mixed chloride media . Nov 29, 2013 - Process Research Ortech Inc. A process for leaching a value metal from a titaniferous ore material ...

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PROCESS FOR SEPARATION OF SILICEOUS AND

United States Patent 3661254 ... These ore bodies require fine grinding in order to separate selectively the iron units. Such ores do not respond easily to beneficiation by conventional methods such as flotation, gravitation, and magnetic separation, etc., owing to the fine state of subdivision required for physical release of all constituents. Although it is possible to decrease the ...

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METHOD FOR SEPARATING COPPER FROM IRON - Patent -

Copper is preferentially extracted from iron in an aqueous feedstock solution containing dissolved copper and iron values by contacting the feedstock solution with a water-immiscible organic solution comprised of a hydrocarbon solvent and a compound of formula (I), wherein R is a C1-22 linear or branched alkyl group, a C2-22 linear or branched alkenyl group, a C6 aryl group, a C7-22 arakyl ...

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METHOD OF SEPARATING AND RECOVERING IRON FROM

A method of separating and recovering iron from a waste non-ferrous slag, discharged from a process for smelting of non-ferrous metals, including copper, zinc and lead, by physical and chemical separation, the method comprising the steps of: (a) crushing the waste non-ferrous slag; (b) mixing the waste non-ferrous slag, crushed in step (a), with carbon as a reducing agent and calcium carbonate ...

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US Patent for Process for the separation of iron in ...

29/11/2013  Justia Patents Treating With Sulfur Or Halogen Containing Acid US Patent for Process for the separation of iron in extraction of titanium in mixed chloride media Patent (Patent # 10,041,141) Process for the separation of iron in extraction of titanium in mixed chloride media . Nov 29, 2013 - Process Research Ortech Inc. A process for leaching a value metal from a titaniferous ore material ...

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Selective separation of iron by treatment with an ion ...

US-7045656-B2 chemical patent summary.

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Process for the separation of iron from an organic ...

US-5017344-A chemical patent summary. Welcome to PubChem!

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Process for the separation of iron from metal sulphate ...

US-3434947-A chemical patent summary.

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PROCESS FOR SEPARATION OF SILICEOUS AND

United States Patent 3661254 ... These ore bodies require fine grinding in order to separate selectively the iron units. Such ores do not respond easily to beneficiation by conventional methods such as flotation, gravitation, and magnetic separation, etc., owing to the fine state of subdivision required for physical release of all constituents. Although it is possible to decrease the ...

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Gravity separation method using iron powder -

A gravity separation method using an iron composition powder comprising mixing and suspending said iron composition powder composed of fine particles having a size of 40 microns or less in water to form a liquid suspension having specific gravity within the range of 2.6 to 3.5, and pouring non ferrous metals or ores into said specific gravity liquid suspension so as to subject said nonferrous ...

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Magnetic separation method for iron carbide - TH ...

United States Patent 5858060 . Abstract: A method for purifying iron carbide begins by feeding ore to a reaction chamber. A mixture of iron, iron oxides, gangue, and iron carbides is extracted from the reaction chamber. The temperature of the mixture is then adjusted to a range of 400°-500° C. The mixture, at the adjusted temperature, is subjecting to a first magnetic field for separating ...

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Coalescence enhanced gravity separation of iron catalyst ...

United States Patent 6476086 . Abstract: Fine iron-based catalyst particles from. Fischer-Tropsch (F-T) synthesis processes are effectively separated from catalyst/liquid/wax slurry by contacting and/or mixing the slurry with a coalescence enhancing treating solution to facilitate gravity separation and settling of such catalyst, and thereby yield a substantially clean hydrocarbon liquid/wax ...

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Method and apparatus for char separation from the ...

Method and apparatus for char separation from the discharge materials of an iron oxide reducing kiln . United States Patent 4299694 . Abstract: A classifying system including an air elutriation device is disclosed, which device is in the form of an upright box defining an airflow chamber open at its lower end and connected at its upper end to an exhauster device. A mixture of particulate ...

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SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

FIELD: selective separation of iron from other ions contained in some oxidizing catalysts. SUBSTANCE: proposed method is used for repeated use of catalysts in oxidation reaction of alcohols and/or ketones to carboxylic acids and oxidation of cyclic alcohols and cyclic ketones to dicarboxylic acids, for example, oxidation of cyclohexanol and/or cyclohexanone to adipic acid.

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SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

European Patent Office EPO. Search worldwide, life-sciences literature Search. Advanced Search. E.g. "breast cancer" HER2 Smith J . Recent Activity Export List Clipboard Export SELECTIVE SEPARATION OF IRON BY TREATMENT WITH AN ION-EXCHANGING RESIN COMPRISING DIPHOSPHONIC ACID GROUPS (PAT - WO0076661) GOTTELAND PATRICE, LOGETTE SEBASTIEN. RHODIA FIBER AND RESIN INTERMEDIATES, Patent

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SELECTIVE SEPARATION OF IRON BY TREATMENT WITH

selective separation of iron by treatment with an ion-exchanging resin comprising diphosphonic acid groups (pat - ep1194238)

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High-efficiency and powerless iron-water separation

Patent: Publ. Utility Model Application - China. Application: CN20112255285U on 2011-07-19. Publication: 2012-03-07. Abstract. Highlight Terms No biological terms identified The utility model provides a high-efficiency and powerless iron-water separation device used in deironing process of natural spice essence, comprising a liquid inlet pipe, a tank cover, a tank body, an overflow trough, a ...

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Coalescence enhanced gravity separation of iron catalyst ...

United States Patent 6476086 . Abstract: Fine iron-based catalyst particles from. Fischer-Tropsch (F-T) synthesis processes are effectively separated from catalyst/liquid/wax slurry by contacting and/or mixing the slurry with a coalescence enhancing treating solution to facilitate gravity separation and settling of such catalyst, and thereby yield a substantially clean hydrocarbon liquid/wax ...

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Magnetic separation to improve purity of iron oxide ...

View Patent Images: Download PDF 4378252 . US Patent References: 4299635: Flow characteristics of synthetic iron oxide: 1981-11-10: Dickerson: 106/304: 4281799 : Process for improved magnetic beneficiation of clays: 1981-08-04: Oder: 209/39: 4217213: Device for the separation of minute magnetizable particles, method and apparatus: 1980-08-12: Schuster: 210/42S: 4053325: Heat stable iron

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Method and apparatus for char separation from the ...

Method and apparatus for char separation from the discharge materials of an iron oxide reducing kiln . United States Patent 4299694 . Abstract: A classifying system including an air elutriation device is disclosed, which device is in the form of an upright box defining an airflow chamber open at its lower end and connected at its upper end to an exhauster device. A mixture of particulate ...

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US Patent for Coil assembly having separation plates for ...

Justia Patents Disc US Patent for Coil assembly having separation plates for iron less linear motor Patent (Patent # 9,148,047) Coil assembly having separation plates for iron less linear motor . Nov 30, 2012 - CHIEFTEK PRECISION CO., LTD. A coil unit and coil assembly for iron-less liar motor and the coil unit includes two vertical function sides and two axial non-function sides. The multiple ...

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Search for a patent - GOV.UK

The patents journal contains details of new UK patent applications and changes to the register. Search patents worldwide. Use Espacenet to check for published patent applications and registered ...

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Jim Jones Inventions, Patents and Patent Applications ...

Abstract: A combination sealing and restraint system for an as-cast ductile iron fitting is shown for both sealing and preventing separation of an iron pipe fitting and a mating male pipe. A sealing gasket body is provided with a series of integrally formed gripping segments. The gripping segments have teeth on an inner surface which are initially angled away from an outer surface of a mating ...

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