| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 12/23/2009 | EP2134880A1 Cobalt recovery from cobalt catalysed hydroformylation reactions |
| 12/23/2009 | CN201368665Y Ring-shaped reduction furnace with non-material-leakage bottom |
| 12/23/2009 | CN101608258A Method for industrially extracting cobalt, copper and iron by taking cobalt-copper alloy as raw material |
| 12/23/2009 | CN100572573C Method for recycling copper from clean melt cinder of wet-process zinc metallurgy |
| 12/23/2009 | CA2728519A1 Method for leaching nickel matte in the presence of added copper |
| 12/22/2009 | CA2390359C Method for reduction of nickel |
| 12/22/2009 | CA2390356C A method for the reduction of nickel from an aqueous solution |
| 12/17/2009 | WO2009151147A1 Process for recoverying valuable metals from waste catalyst |
| 12/17/2009 | WO2009149521A1 Method for the recovery of base metals from ores |
| 12/17/2009 | WO2009089613A9 Liquid and solid effluent treatment process |
| 12/17/2009 | US20090308204 Method and apparatus for reducing metalliferous material to a reduction product |
| 12/17/2009 | CA2727556A1 Method for the recovery of base metals from ores |
| 12/16/2009 | EP2132346A1 Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts |
| 12/16/2009 | CN101603127A Method for diluting copper and nickel smelting slag |
| 12/16/2009 | CN101603125A Method for purification and impurity removal of nickel liquid |
| 12/15/2009 | CA2311171C Process for preparing metal powders, metal powders thus prepared, and compacts containing said powders |
| 12/10/2009 | WO2009146518A1 Magnesium recycling and sulphur recovery in leaching of lateritic nickel ores |
| 12/10/2009 | CA2752254A1 Magnesium recycling and sulphur recovery in leaching of lateritic nickel ores |
| 12/09/2009 | CN101600810A Process for recovery of nickel and cobalt from laterite ores using ion exchange resin |
| 12/09/2009 | CN101597691A Process method for treating solid waste containing copper and nickel |
| 12/09/2009 | CN101597689A High-efficiency purification process for acid leaching solutions of active substances in waste lithium batteries |
| 12/09/2009 | CN100567510C Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
| 12/02/2009 | CN100564553C Method for reclaiming nickel and chromium from stainless steel sludge |
| 11/25/2009 | CN101586194A Leaching method for anode and cathode mixed materials of waste nickel-hydrogen battery |
| 11/25/2009 | CN101586193A Leaching method for anode material of waste LiNiO2 battery |
| 11/25/2009 | CN101586192A Leaching method for anode and cathode mixed materials of waste LiCoxNiyMnzO2 battery |
| 11/25/2009 | CN101586191A Leaching method for cathode material of waste nickel-hydrogen battery |
| 11/25/2009 | CN101586190A Leaching method for anode material of waste nickel-hydrogen battery |
| 11/25/2009 | CN101586189A Leaching method for anode material of waste LiCoO battery |
| 11/18/2009 | CN201347450Y Continuous high-temperature solid material smelting system for vacuum carbothermic reduction of nickel-bearing laterite |
| 11/18/2009 | CN101583728A Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals |
| 11/11/2009 | CN101575676A Method for removing iron and enriching nickel cobalt through precipitation of laterite type nickel ores |
| 11/11/2009 | CN101575673A Method for separating and extracting copper and cobalt-nickel in low-grade complex mixed copper-cobalt ore |
| 11/11/2009 | CN101575672A Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore |
| 11/10/2009 | CA2383816C Recovery of nickel from nickel bearing sulphide minerals by bioleaching |
| 11/05/2009 | WO2009132558A1 A method of extracting ni and/or co |
| 11/05/2009 | WO2009103850A4 Method for separating zinc, iron, calcium, copper and manganese from the aqueous solutions of cobalt and/or nickel |
| 11/04/2009 | EP2113138A1 Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent |
| 10/29/2009 | WO2009129653A1 A comprehensive recovery and utilization process for laterite-nickel ore |
| 10/29/2009 | US20090267275 Method and Apparatus for Separating Metal Values |
| 10/28/2009 | CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 10/28/2009 | CN100554453C Leaching method for materials after chlorination and oxidation treatment for Nickel oxide ore |
| 10/28/2009 | CN100554446C Crystallization method for nickel chloride solution |
| 10/28/2009 | CN100554444C Biological extract technology for ore of cobalt nickel oxide |
| 10/22/2009 | WO2009127053A1 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate |
| 10/22/2009 | WO2009089613A8 Liquid and solid effluent treatment process |
| 10/22/2009 | CA2721388A1 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate |
| 10/21/2009 | CN101560609A Purification method through vacuum distillation of coarse nickel |
| 10/21/2009 | CN101560603A Method for preparing magnesium metal and by-product by vacuum carbothermic reduction with serpentine minerals |
| 10/21/2009 | CN100552061C Extraction method for removing calcium and magnesium from copper-cobalt ore leachate |
| 10/21/2009 | CN100552060C Process for extracting and separating nickel-molybdenum form bone coal ore by high pressure oxygen-ammonia leaching |
| 10/20/2009 | US7604784 Process for the extraction of specific transition metals with gaseous HCL |
| 10/20/2009 | US7604680 Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting |
| 10/14/2009 | EP2108708A1 Processes for leaching and recovering nickel or cobalt |
| 10/14/2009 | CN101555556A Method for comprehensively utilizing laterite-type nickel ore |
| 10/14/2009 | CN100549191C Improved method for metal heap and dump leaching coupled with metal solvent extraction |
| 10/13/2009 | US7601314 Reductive ammoniacal leaching of nickel and cobalt bearing materials |
| 10/13/2009 | CA2583820C Nickel powder manufacturing method |
| 10/07/2009 | CN101550491A Method for extracting nickel or cobalt from nickel ore with chloridizing roasting-leaching method |
| 10/07/2009 | CN101550490A Method of extracting nickel from ni-mo ore metallurgical slag |
| 10/06/2009 | US7597738 selective absorption of nickel and iron in a heap leaching solution from ore, with ion exchange resin Dowex", stripping the nickel and iron ion from the resin with sulfuric acid, neutralizing with calcium carbonate, chemical reduction; recover cobalt separately; chemical metallization |
| 10/06/2009 | CA2418063C Production of active nickel powder and transformation thereof into nickel carbonyl |
| 10/06/2009 | CA2391091C A bacterially assisted heap leach |
| 10/01/2009 | US20090241733 Process for the instantaneous control of precipitation of nickel and cobalt present in the leach liquor, by adjusting the ph of the solution |
| 10/01/2009 | US20090241731 System and method for extracting base metal values from oxide ores |
| 09/30/2009 | CN101545056A Process for extracting nickel by acid dipping full-wet method at normal temperature and normal pressure |
| 09/30/2009 | CN101545054A Method for recovering nickel, copper and cobalt from a nickel, copper and cobalt smelting waste slag |
| 09/30/2009 | CN101545052A Method for recovering nickel and copper from a nickel smelting waste slag |
| 09/30/2009 | CN100545276C Leaching treatment technique for cobalt-containing rare alloy |
| 09/24/2009 | WO2009114904A1 A process for atmospheric leaching of laterite ores using hypersaline leach solution |
| 09/24/2009 | WO2009114903A1 Process for the recovery of nickel and/or cobalt from high ferrous content laterite ores |
| 09/23/2009 | EP2102377A1 Process for recovery of nickel and cobalt from laterite ores using ion exchange resin |
| 09/23/2009 | CN101541985A Process for the hydrometallurgical treatment of a lateritic nickel/cobalt ore and process for producing nickel and/or cobalt intermediate concentrates or commercial products using it |
| 09/23/2009 | CN101538645A Technique for roasting and dressing laterite nickel ore |
| 09/16/2009 | CN101532095A Method for producing electrodeposited cobalt by non-hydrochloric acid electrolyte |
| 09/16/2009 | CN101532094A Technology for full-process extracting and separating nickel and cobalt from acid material system with high content of calcium and magnesium impurities |
| 09/10/2009 | US20090226284 Supply system for suspension smelting furnace |
| 09/09/2009 | CN101525698A Method for preparing high-purity nickel ingot |
| 09/09/2009 | CN101525692A Method for environment-friendly utilization of copper-nickel-tungsten alloy |
| 09/09/2009 | CN101525691A Method for extracting multiple metals from manganese nodule industrial residues |
| 09/09/2009 | CN101525690A Method for separating and recovering nickel, cobalt, magnesium, iron and silicon from nickel-bearing laterite |
| 09/02/2009 | CN101519726A Method for directly roasting and processing spent lithium ion batteries and recycling valuable metals |
| 09/02/2009 | CN101519724A Method for recovering nickel from low-nickel waste water |
| 08/27/2009 | WO2009103850A1 Method for separating zinc, iron, calcium, copper and manganese from the aqueous solutions of cobalt and/or nickel |
| 08/27/2009 | CA2715470A1 Method for separating zinc, iron, calcium, copper and manganese from the aqueous solutions of cobalt and/or nickel |
| 08/26/2009 | CN101517104A Process for recovering group VI-B metals from spent catalysts |
| 08/26/2009 | CN101514401A Method for efficiently concentrating cobalt and nickel from low-grade nickeliferous laterite ore |
| 08/26/2009 | CN100532592C Method and apparatus for separating metal values |
| 08/25/2009 | CA2650372A1 Wet process for smelting nickel oxide ore |
| 08/20/2009 | WO2009100602A1 A method for extracting ni and co from laterite using hydrochloric acid |
| 08/20/2009 | WO2009100495A1 Production of nickel |
| 08/19/2009 | EP1825010A4 Consecutive or simultaneous leaching of nickel and cobalt containing ores |
| 08/19/2009 | CN101509072A Method for extracting valuable metals from laterite nickel mine with hydrochloric acid full-closed circulation method |
| 08/19/2009 | CN101509069A Method for selective solvent extraction of heterogenite with full-wet-process |
| 08/19/2009 | CN100530813C Method of disposing of lithium battery |
| 08/13/2009 | WO2009097689A1 Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors |
| 08/13/2009 | CA2714575A1 Process for manufacturing prefluxed metal oxide from metal hydroxide and metal carbonate precursors |
| 08/12/2009 | EP1880029A4 An improved process for heap leaching of nickeliferous oxidic ores |
| 08/12/2009 | CN101506394A Production of metallic nickel with low iron content |
| 08/11/2009 | US7571814 Method for separating metal values by exposing to microwave/millimeter wave energy |