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