Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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06/16/2010 | CN101736157A Process for absorbing and extracting valuable metal ions in leachate of laterite nickel ore by applying immobilized room temperature ionic liquid |
06/16/2010 | CN101736151A Method for removing iron by oxidation and neutralization in cobalt wet smelting process |
06/16/2010 | CN101736150A Leaching process for nickel-containing eluvial ores |
06/16/2010 | CN101736149A Leaching method for nickel-containing eluvial ores |
06/15/2010 | US7736606 Process for the recovery of value metals from base metal sulfide ores |
06/10/2010 | WO2010064149A2 System and method for wastewater treatment |
06/10/2010 | WO2010064143A2 System and method for wastewater treatment |
06/10/2010 | CA2744994A1 System and method for wastewater treatment |
06/10/2010 | CA2744907A1 System and method for wastewater treatment |
06/09/2010 | EP2194148A1 Production process of Co/Ni-sulfide in a sulfuric acid solution containing nickel and cobalt |
06/09/2010 | CN101413053B Additive for strengthening reduction and separation of laterite-nickel ore |
06/09/2010 | CN101225470B Method for extracting nickel and cobalt from lateritic nickel by hydrochloric acid process |
06/03/2010 | WO2010061045A1 Method for treating nickel laterite ore |
06/03/2010 | WO2010060144A1 Process for separating limonite and saprolite |
06/02/2010 | CN1938436B Recovery of metals from oxidised metalliferous materials |
06/02/2010 | CN101717865A Method for melting nickel-base high-temperature return material K441alloy |
06/02/2010 | CN101717864A Method for extracting nickel and cobalt through granulating and heap-leaching laterite nickel ore |
06/02/2010 | CN101717862A Production process for comprehensively recovering valuable metal of copper, cobalt and iron alloy |
06/02/2010 | CN101717857A Method for rapidly and directly dipping nickel sulfide concentrate under action of ultrasonic wave |
06/02/2010 | CN101328536B Process for comprehensive recovery of nickel, copper, cobalt, sulfur and magnesium from ore |
06/02/2010 | CN101298638B Method for collecting nickel and cobalt from laterite-nickel ore lixivium |
06/02/2010 | CN101255494B Method for leaching nickel-cobalt from low-grade laterite nickel ore |
06/02/2010 | CN101186969B Method for separating rare earth, iron, copper, cobalt and tungsten from alloy |
06/01/2010 | US7727496 Contacting the cationic extractant with a portion of a purified valuable metal stream wherein valuable metal of portion of the purified stream are loaded on the cationic extractant to form a pre-equilibrated cationic extractant |
06/01/2010 | CA2463268C Process for purification of aqueous solution of nickel sulfate containing cobalt and calcium |
05/27/2010 | US20100126313 Method of recovering metal values from ores |
05/26/2010 | CN201485491U Slag washing system in cobalt wet process smelting |
05/26/2010 | CN101713029A Comprehensively-utilizing process of waste residue containing vanadium, molybdenum, nickel and cobalt |
05/26/2010 | CN101713025A Method for wet separation of mixed solution containing nickel and zinc |
05/26/2010 | CN101311281B Green metallurgical process for integrated utilization of nickel laterite ore |
05/19/2010 | CN101709387A Method for smelting nickel-based high temperature recycled alloy K3030 |
05/19/2010 | CN101709371A Method for extracting molybdenum nickel from carbon molybdenum nickel lean ores |
05/18/2010 | CA2468885C A method for precipitating iron from a zinc sulphate solution as hematite |
05/14/2010 | WO2010051992A1 Recovery of metals and acids from exhausted pickling solutions and/or neutralization sludge |
05/12/2010 | CN1948525B Carbonyl group method of extracting cobalt in nickel copper alloy |
05/12/2010 | CN101705371A Method for extracting cobalt in copper cobalt sulfide ore |
05/12/2010 | CN101705367A Copper nickel smelting process with oxygen-enriched side-blowing bath smelting method |
05/12/2010 | CN101705354A Silicon-magnesium laterite-nickel ore cold sintering ball and preparation method thereof |
05/12/2010 | CN101383440B Method for recycling and preparing superfine nickel powder from nickel-hydrogen cell |
05/11/2010 | CA2348436C Sulfatisation process for metal extraction from sulfide ores |
04/28/2010 | CN1516744B Method for producing granular metal |
04/22/2010 | US20100098608 Process for the hydrometallurgical treatment of a lateritic nickel/cobalt or and process for producing nickel and/or cobalt intermediate concentrates or commercial products using it |
04/22/2010 | US20100098606 Process for the extraction of specific transition metals |
04/21/2010 | CN1788094B Recovery of metal values from cermet |
04/21/2010 | CN101328537B Process for comprehensive recovery nickel, copper, cobalt, sulfur and magnesium from high magnesium and nickle ore concentrate |
04/21/2010 | CN101126123B Method for washing and processing nickel-containing iron slag |
04/20/2010 | US7700068 dissolving salt of nickel (II) in liquid dihydric alcohol that is miscible with water, precipitating Ni (II) ions as nickel hydroxide from solution by addition of base, separating nickel hydroxide precipitate from mother liquor to recover alpha -nickel hydroxide, calcining to form fiber shaped particles |
04/15/2010 | US20100089764 Method for production of metallic cobalt from the nickel solvent extraction raffinate |
04/08/2010 | WO2010037169A1 Process for extraction of mined material |
04/07/2010 | EP2171108A1 Method of recovering metal values from ores |
04/07/2010 | CN101691635A Alkali-acid double-cycle process for treating brown iron type nickel laterite ore |
04/06/2010 | CA2450345C A method for the removal of metals from an aqueous solution using lime precipitation |
03/31/2010 | CN101688267A Method of recovering metal values from ores |
03/30/2010 | CA2415426C Mixed metal catalyst comprising a combustible binder |
03/25/2010 | WO2010032513A1 Method of concentrating nickel in saprolite ore |
03/25/2010 | WO2010031137A1 A hydrometallurgical method for leaching base metals |
03/25/2010 | CA2737324A1 A hydrometallurgical method for leaching base metals |
03/24/2010 | CN101680053A Nickel recovery from a high ferrous content laterite ore |
03/19/2010 | CA2678724A1 Hydrometallurgical process of nickel laterite ore |
03/16/2010 | US7678172 Microwave treatment of ores |
03/10/2010 | CN101668869A Cobalt recovery from cobalt catalysed hydroformylation reactions |
03/09/2010 | US7674314 Process for producing reduced metal and agglomerate with carbonaceous material incorporated therein |
03/04/2010 | WO2010022481A1 Electrochemical method for nickel and cobalt extraction from oxide ores |
03/02/2010 | CA2417440C Process for production of metallic powder, metallic powder, conductive paste containing the metallic powder, and multilayer ceramic capacitor |
02/25/2010 | WO2010021600A1 Methods and compositions comprising polyoxometalates |
02/25/2010 | WO2010020245A1 An improved process of leaching lateritic ore with sulphoric acid |
02/23/2010 | CA2229232C Method for recovering nickel hydrometallurgically from two different nickel mattes |
02/18/2010 | WO2010018815A1 Method for purifying material containing metalloid element or metal element as main component |
02/18/2010 | WO2009153409A4 Method for leaching nickel matte in the presence of added copper |
02/18/2010 | CA2733647A1 Method for purifying material containing metalloid element or metal element as main component |
02/16/2010 | CA2476784C Method and apparatus for separating metal values |
02/16/2010 | CA2436111C Method for removing impurities from solvent extraction solutions |
02/10/2010 | CN101643859A Process method for separating and purifying cobalt solution by extraction chromatography |
02/10/2010 | CN101643858A High temperature chlorination processing method of lateritic nickel ore |
02/09/2010 | USRE41099 Recovery of cobalt from cobalt containing materials, ores, scrap, slag, metallurgical intermediates and by-products, particularly nickel-and iron-containing materials, by treating metal carbonyl mixture with nitric oxide and carbon monoxide to form cobalt nitrosyl tricarbonyl, which is pyrolysed to metal |
02/09/2010 | CA2471179C A method for the recovery of cobalt |
02/07/2010 | CA2674490A1 Method for scrubbing an amine type extractant after stripping |
02/03/2010 | CN201394377Y Improved extraction box |
01/28/2010 | US20100018351 Recycling of solids in oxidative pressure leaching of metals using halide ions |
01/28/2010 | US20100018350 Hydrometallurgical process for a nickel oxide ore |
01/27/2010 | CN201390775Y Device utilizing hydrogen sulfide to remove impurities such as lead, cadmium, mercury and copper from nickel-cobalt solution |
01/27/2010 | CN100584971C Nickel oxide ore reconcentration process |
01/26/2010 | CA2422477C Recovery of metals by incineration of metal containing basic ion exchange resin |
01/21/2010 | US20100012149 Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent |
01/21/2010 | US20100011907 Extraction of metals from sulphide minerals |
01/20/2010 | CN101629247A Combined leaching process of white alloy and heterogenite |
01/20/2010 | CN100582264C Method for extracting metallic nickel cobalt from irony nickel mine |
01/13/2010 | EP1785684B1 Lifter for rotary heat exchanger, rotary heat exchanger with the lifter, and heat treatment method for nickel oxide ore |
01/13/2010 | CN100580111C Slag splashing furnace-protecting method for nickel-copper smelting converter |
01/07/2010 | WO2010001728A1 Method for separating radioactive copper using chelate exchange resin |
01/07/2010 | WO2010000029A1 A process for heap leaching of nickeliferous oxidic ores |
01/06/2010 | CN101619400A Method for extracting cobalt and nickel from nickel lateritic ore |
12/30/2009 | WO2009155652A1 Process for forming high density sulfides |
12/30/2009 | WO2009155651A1 Iron precipitation |
12/30/2009 | CN101617435A Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent |
12/29/2009 | CA2362294C Treatment of metal sulphide concentrates by roasting and arc furnace smelt reduction |
12/24/2009 | US20090314134 Method and apparatus for recycling battery pack |
12/23/2009 | WO2009153409A1 Method for leaching nickel matte in the presence of added copper |
12/23/2009 | WO2009152587A1 Process for the recovery of nickel and/or cobalt from a leach solution |
12/23/2009 | WO2009152560A1 Saprolite neutralisation of heap leach process |