Patents for C22B 23 - Obtaining nickel or cobalt (3,818)
08/2006
08/31/2006CA2597741A1 Production of ferronickel
08/23/2006EP1692079A1 Method for separating pb and ni from co-containing mixtures
08/23/2006EP1468766B1 Method for producing metal powder
08/23/2006CN1823172A Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material
08/17/2006WO2006084335A1 Process for enhanced acid leaching of laterite ores
08/17/2006CA2597440A1 Process for enhanced acid leaching of laterite ores
08/16/2006EP1409753B1 Solvent extraction of impurities from concentrated metal sulphate solutions
08/16/2006EP1339883B1 Method for the hydrolytic precitpitation of iron
08/16/2006EP1242637B1 A bacterially assisted heap leach
08/16/2006CN1818101A Method for recovering metallic elements from mixed gas containing carbonyl substances
08/16/2006CN1269600C Non-magnetic nickel powders and method for preparing the same
08/15/2006CA2256982C Nickel ultrafine powder
08/10/2006US20060178663 Cryoplasty device and method
08/09/2006CN1814827A Method for separating and recovering cobalt and molybdic from waste cobalt-molybdic catalyst
08/08/2006US7087100 Heating a metal compound in a hydrocarbon to convert said metal compound to a solid nanosized member; separating the hydrocarbon from the solid nanosized member; and recovering the solid nanosized member.
08/03/2006US20060169104 Recovering nickel
08/02/2006EP1587964A4 Process for nickel and cobalt extraction from laterite ores
07/2006
07/27/2006US20060162498 Direct production of refined metals and alloys
07/27/2006DE10297680B4 Extraction of nickel from spent nickel catalyst involves direct leaching with sulfuric acid in presence of small amount of persulfate-based additive
07/25/2006CA2221781C Chloride assisted hydrometallurgical extraction of metal
07/12/2006EP1678336A1 A process for the recovery of value metals from base metal sulfide ores
07/06/2006WO2006070052A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
07/06/2006WO2006069416A1 Extraction of nickel and cobalt from a resin eluate stream
07/06/2006CA2593706A1 Extraction of nickel and cobalt from a resin eluate stream
07/06/2006CA2591887A1 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
07/04/2006CA2363031C Improved methods for leaching of ores
06/2006
06/21/2006EP1507878B1 Chloride assisted hydrometallurgical extraction of metals
06/14/2006CN1788094A Recovery of metal values from cermet
06/14/2006CN1786225A Wet treatment method of iron containing nickel sulfide material
06/07/2006EP1666614A2 Method for processing oxidises nickel-cobalt ore (variants)
06/07/2006EP1664358A1 Method and apparatus for controlling metal separation
06/07/2006EP1337677B1 Direct atmospheric leaching of highly-serpentinized saprolitic nickel laterite ores with sulphuric acid
05/2006
05/31/2006EP1660689A1 Method and apparatus for processing metalline sludge
05/26/2006WO2006053418A1 Method for producing fine, low bulk density, metallic nickel powder
05/26/2006WO2006053376A1 Consecutive or simultaneous leaching of nickel and cobalt containing ores
05/26/2006CA2587702A1 Consecutive or simultaneous leaching of nickel and cobalt containing ores
05/26/2006CA2580655A1 Method for producing fine, low bulk density, metallic nickel powder
05/24/2006CN1777462A Method and equipment for liquid-liquid extraction
05/24/2006CN1777461A Method and equipment for liquid-liquid extraction
05/24/2006CN1775971A Mixed ammonia leaching method for multi-metal concretion and cobalt-rich skull in deep sea
05/24/2006CN1257292C Method for recovering nickel and aluminum from waste aluminum based nickel-containing catalyst
05/23/2006US7048774 Recovery of metal values from cermet
05/23/2006CA2208026C Chloride assisted hydrometallurgical copper extraction
05/19/2006CA2488077A1 Method for producing fine, low bulk density, metallic nickel powder
05/17/2006CN1774518A Reductive ammoniacal leaching of nickel and cobalt bearing materials
05/16/2006CA2273563C Composite nickel fine powder and method for preparing the same
05/11/2006US20060096415 Microwave treatment of ores
05/03/2006CN1768152A Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process
05/03/2006CN1254341C Method for manufacturing metal powder
04/2006
04/25/2006US7033480 Process for recovering platinum group metals from material containing base metals
04/19/2006CN1252021C Method for recovery of metals by incineration of metal contg. basic ion exchange resin
04/12/2006EP1644541A1 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material
04/12/2006CN1759192A Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein
04/06/2006WO2006037120A2 Method and apparatus for separating metal values
04/05/2006CN1249257C Mtehod for hydrolytic precitpitation of iron
04/04/2006US7022120 Cryoplasty device and method
03/2006
03/30/2006CA2581106A1 Synergistic solvent extraction process
03/29/2006CN1752232A Once process for extracting and separating Ni, Mg and Co from nickel sulfate solution recovered from waste nickel-hydrogen and nickel-cadmium cells
03/23/2006CA2580542A1 Production of ferro-nickel or nickel matte by a combined hydrometallurgical and pyrometallurgical process
03/23/2006CA2580120A1 Process for preparing nickel loaded organic extractant solution
03/23/2006CA2572420A1 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching
03/22/2006CN1749420A Process for extracting metal cobalt from waste hard alloy
03/22/2006CN1246486C Central vortex column flash smelting process
03/16/2006WO2005099934A3 Method and arrangement for crystal growth from fused metals or fused solutions
03/15/2006EP1229977B1 Polyamide-containing ligands covalently bonded to supports, polyamide-containing resins, and methods for removing metals from solutions
03/08/2006EP1412546B1 A method for the removal of metals from an aqueous solution using lime precipitation
03/08/2006CN1743476A Nickel-iron smelting process from nickel oxide ore containing crystal water through blast furnace
03/01/2006EP1509630B1 Process for manufacturing an alloy material for use in the manufacture of synthetic diamonds
03/01/2006CN1742105A Nickel metal and process for producing the same
03/01/2006CN1243839C Method and appts. for feeding solid material and oxidizing gas into suspension smelting furnace
03/01/2006CN1243838C Technology for preparing cell-level high-purity nickel sulfate by the selective leach of water quenching high grade nickel and sulfuric acid
02/2006
02/22/2006EP1627087A1 A process for the recovery of value metals from material containing base metal oxides
02/22/2006CN1738917A Process for nickel and cobalt extraction from laterite ores
02/15/2006CN1733950A Ferronickel smelting process of nickel oxide ore free of crystal water in blast furnace
02/08/2006CN1730684A Bessemer matte production method using nickel sulfide materials
02/08/2006CN1240857C Extraction of nickle oxide from serpentine by sulfuric acid leaching out
02/07/2006CA2272370C Production of aromatic carboxylic acids and recovery of co/mn cattalyst from ash
02/02/2006US20060024224 Method for nickel and cobalt recovery from laterite ores by combination of atmospheric and moderate pressure leaching
01/2006
01/25/2006EP1618219A2 Recovery of metal values from cermet
01/25/2006EP1453985B1 A method for precipitating iron from a zinc sulphate solution as hematite
01/25/2006CN1238540C Flash smelting technology for copper or nickel sulfide ore concentrate
01/18/2006EP1377690A4 Method for producing large diameter ingots of nickel base alloys
01/12/2006US20060005665 Process for extracting gold in arsenic-containing concentrate of gold and the equipment thereof
01/11/2006EP1613785A1 Reductive ammoniacal leaching of nickel and cobalt bearing materials
01/11/2006EP1412544B1 Method for recovering nickel and eventually cobalt by extraction from nickel-containing laterite ore
01/11/2006CN1718790A Method of preparing cobalt oxide by microwave calcining cobalt salt and it powder material microwave calcining furnace
01/11/2006CN1718787A Method of bulk infusion extracting nickel cobalt from low grade red soil nickel ore
01/11/2006CN1718784A Method of recovery copper, nickel and noble metal in waste water and slag by combined technology of wet method and fire method
01/11/2006CN1236080C Wet separation process of waste ZnCuNi alloy
01/05/2006US20060002835 Method for nickel and cobalt recovery from laterite ores by reaction with concentrated acid and water leaching
01/05/2006CA2571492A1 Method for nickel and cobalt recovery from laterite ores by reaction with concentrated acid water leaching
12/2005
12/29/2005WO2005124921A1 Method of disposing of lithium battery
12/27/2005CA2391939C Carbonyl process for recovery of purified cobalt
12/22/2005WO2005121675A1 Lifter for rotary heat exchanger, rotary heat exchanger with the lifter, and heat treatment method for nickel oxide ore
12/08/2005WO2005116281A1 Method of recovering nickel or cobalt
12/08/2005WO2005116279A1 Method of recovering nickel and cobalt
12/08/2005WO2005067366A3 Supply system for suspension smelting furnace
12/07/2005EP1602737A1 Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein
12/07/2005EP1601803A2 Microwave assisted continuous synthesis of manocrystalline powders and coatings using the polyol process
12/01/2005WO2005113845A1 Recovery of nickel
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