| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 12/11/2013 | CN103436708A Method for comprehensively recovering cobalt, copper and iron in cobalt-copper alloy |
| 12/11/2013 | CN103436698A Method for directly reducing laterite-nickel ore to produce ferronickel alloy |
| 12/11/2013 | CN101952464B Production of nickel |
| 12/04/2013 | EP2669392A1 Process for production of ore slurry |
| 12/04/2013 | EP2669390A1 Valuable metal leaching method, and valuable metal collection method employing the leaching method |
| 12/04/2013 | EP2668303A1 Improved method of ore processing |
| 12/04/2013 | CN103421952A Synergic extraction agent and method for selectively extracting nickel in acidic nickeliferous solution through synergic extraction agent |
| 12/04/2013 | CN102703693B Method for enriching and recovering metal nickel, copper and cobalt from tailings of copper and nickel mines |
| 12/04/2013 | CN102534222B Method for recovering acrylonitrile butadiene styrene (ABS) plastic galvanized parts |
| 12/04/2013 | CN102251253B Method for extracting and separating nickel, iron and copper from electrolyte |
| 12/03/2013 | US8597601 Selective base metals leaching from laterite ores |
| 11/27/2013 | CN103409773A Method for extracting copper and cobalt from copper-cobalt alloy |
| 11/27/2013 | CN103409630A Laterite gas gas reduction apparatus |
| 11/27/2013 | CN103409629A Laterite gas base reduction method |
| 11/27/2013 | CN102965499B Method for extracting valuable element in arsenic salt purification slag from zinc hydrometallurgy |
| 11/20/2013 | EP2389457B1 An improved process of leaching lateritic ore with sulphuric acid |
| 11/20/2013 | CN203295584U Smelting reduction furnace used for nickel laterite ore smelting |
| 11/20/2013 | CN103397194A Method for recycling nickel from nickel-containing wastewater |
| 11/20/2013 | CN103397193A Method for extraction of nickel-containing ferrite from stainless steel sludge |
| 11/20/2013 | CN103397189A Method for recovering silver or other metals from silver-containing wastes |
| 11/20/2013 | CN103397185A Method for calcium removal during iron precipitation of nickel sulfate solution containing iron and free sulfuric acid |
| 11/20/2013 | CN102965521B Method for nickel laterite ore through adopting wet pellet smelting lower temperature reduction mode |
| 11/20/2013 | CN102876892B Method for leaching nickel and cobalt form low-iron and high-magnesium and high-iron and low-magnesium laterite-nickel ore by using waste dilute sulphuric acid |
| 11/13/2013 | CN103391989A Hydromethanation of a carbonaceous feedstock with nickel recovery |
| 11/13/2013 | CN102719681B Decarbonization method of nickel or nickel alloy recovery smelting |
| 10/31/2013 | WO2013161599A1 Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclave |
| 10/31/2013 | US20130287621 Method for Recovering Valuable Material from Lithium-Ion Secondary Battery, and Recovered Material Containing Valuable Material |
| 10/31/2013 | US20130284643 Method and Apparatus for Separating Metal Values |
| 10/30/2013 | CN103380220A Valuable metal recovery method |
| 10/30/2013 | CN103380218A Valuable metal recovery method |
| 10/30/2013 | CN103374659A Method for extracting and recovering precious metal and rare metal from wastes |
| 10/30/2013 | CN103374656A Technique for recycling nickel, ferrum and cobalt from nickel oxide ore |
| 10/29/2013 | CA2538962C Process for recovering value metal species from laterite-type feedstock |
| 10/23/2013 | EP2653573A1 Method for separating positive-pole active substance and method for recovering valuable metals from lithium ion battery |
| 10/23/2013 | CN103370428A Method for enrichment-recovering ferronickel from raw material containing nickel, method for recovering nickel from enriched ferronickel, and method for recycling solution containing iron produced from same |
| 10/23/2013 | CN103370427A Method for recovering valuable metal |
| 10/23/2013 | CN103361493A Method for recovering valuable metal cobalt from zinc smelting waste slag |
| 10/23/2013 | CN103361483A Technology for removing cobalt by dynamic wave chlorine oxidation |
| 10/23/2013 | CN102465202B Cobalt copper sulfide ore processing method |
| 10/17/2013 | WO2013152487A1 Laterite-nickel ore processing method for efficiently recovering nickel resources |
| 10/16/2013 | EP2650961A1 Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable material |
| 10/16/2013 | CN103352125A Method for high-efficiently enriching gold and platinum metal from complex low-grade chlorine soaked slag |
| 10/16/2013 | CN103352120A Process for enhanced acid leaching of laterite ores |
| 10/16/2013 | CN103352119A Novel leaching-extracting process for wet slag of mixed nickel cobalt hydroxide |
| 10/16/2013 | CN102690958B Nickel-cobalt smelting furnace and nickel-cobalt smelting process |
| 10/15/2013 | US8557019 Process for production of nickel and cobalt using metal hydroxide, metal oxide and/or metal carbonate |
| 10/10/2013 | WO2013150642A1 Method for recovering chromite, and method for wet smelting of nickel oxide ore |
| 10/09/2013 | CN103348026A Process to produce rough ferro-nickel product |
| 10/09/2013 | CN103343240A Method for evaluating drying and pre-reducing process of laterite-nickel ore |
| 10/09/2013 | CN103343232A Method for recycling Ni from waste FCC (Fluid Catalytic Cracking) catalyst |
| 10/09/2013 | CN103343230A Valuable metal leaching process and device for waste lithium ion batteries |
| 10/09/2013 | CN103343229A Method for comprehensively recovering valuable metals from electroplating waste mud |
| 10/09/2013 | CN102936649B Method for recovering nickel, cobalt, manganese and iron by roasting and leaching nickel oxide ore |
| 10/03/2013 | WO2013145909A1 Method for producing high-purity nickel sulfate |
| 10/02/2013 | CN103339271A Valuable metal leaching method, and valuable metal collection method employing the leaching method |
| 10/02/2013 | CN103339270A Direct purification of a nickel laterite leaching effluent |
| 10/02/2013 | CN103334017A Method for preparing high-purity nickel powder from waste high-temperature alloy |
| 10/02/2013 | CN103334009A Method for recycling valuable metal from waste lithium batteries |
| 09/26/2013 | WO2013140900A1 Method for producing hematite for iron-making use |
| 09/26/2013 | WO2013140837A1 Production method for hematite for iron production |
| 09/26/2013 | WO2013140836A1 Method for producing hematite for iron production |
| 09/25/2013 | EP2640861A1 Method for the leaching of a metal sulfide |
| 09/25/2013 | CN103320622A Technological process for preparing electronic-grade nickel methylsulfonate by utilization of nickel waste material |
| 09/25/2013 | CN102828031B Method for separating, gathering and purifying cobalt, zinc and ferrum by heavy metal adsorption material |
| 09/18/2013 | CN103314124A Method for separating nickel from material with low nickel content |
| 09/18/2013 | CN102660689B Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide |
| 09/12/2013 | WO2013133173A1 Neutralization method and neutralization plant |
| 09/12/2013 | WO2013133172A1 Dezincification plant, method for operating dezincification plant, and hydrometallurgical method for nickel oxide ore |
| 09/11/2013 | CN103290241A Method for extracting tungsten cobalt molybdenum nickel by jointly melting waste tungsten and nickel-molybdenum ore niter |
| 09/11/2013 | CN103290222A Method for recovering copper and nickel from electroplating sludge |
| 09/11/2013 | CN103290218A Beneficiation combined process of Ni-Co-Cu lean ore or tailings |
| 09/11/2013 | CN103290213A Process for recycling valuable metal from nickel laterite ores and simultaneously by-producing anhydrous calcium chloride |
| 09/11/2013 | CN102703696B Method for recovering valuable metal from red soil nickel minerals comprehensively |
| 09/10/2013 | CA2641150C A process for reprocessing of a fischer-tropsch catalyst |
| 09/04/2013 | CN203174175U Resistance furnace for producing cobalt oxide products |
| 09/04/2013 | CN103276224A Energy-saving carbothermal reduction method for laterite-nickel ores |
| 09/04/2013 | CN103276219A Clean production method for treating waste residues of reduction roasting nickel laterite ore to prepare ferronickel |
| 09/04/2013 | CN103276209A Method for nickel and molybdenum separation from high carbon nickel-molybdenum ore through catalysis oxidation |
| 09/04/2013 | CN102912124B Method for recovering nickel, cobalt, manganese and iron by hydrochloric acid leaching of nickel oxide ore |
| 09/04/2013 | CN102560100B Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy |
| 08/28/2013 | CN103270644A Method for recovering valuable material from lithium-on secondary battery, and recovered material containing valuable material |
| 08/28/2013 | CN102676814B Method for removing impurity ferrum in nickel sulfate solution |
| 08/28/2013 | CN102010999B Method for separating impurities from cobalt and/or nickel solution by non-saponifiable extraction |
| 08/22/2013 | WO2013120131A1 Production of high grade nickel product |
| 08/21/2013 | EP2627791A2 Method for recovering valuable metals from lithium secondary battery wastes |
| 08/21/2013 | CN203144491U Clarification device for removing organic ingredients |
| 08/21/2013 | CN103261455A Method for separating positive-ole active substance and method for recovering valuable metals from lithium ion battery |
| 08/21/2013 | CN102409184B Preparation method of pure nickel slab |
| 08/21/2013 | CN102392143B Recycling method of magnesium in silicate nickel oxide ore |
| 08/21/2013 | CN102206755B Method for separating and recovering valuable elements from neodymium-iron-boron wastes |
| 08/14/2013 | CN203128637U Improved intermediate frequency furnace flow passage |
| 08/13/2013 | CA2404003C Heap leaching of nickel containing ore |
| 08/08/2013 | WO2013114089A1 Nickel recovery |
| 08/07/2013 | CN103233127A Method for separating base metal from precious metal in copper anode mud |
| 08/07/2013 | CN103233123A Integrated recovery method of waste and old rare earth capacitance battery |
| 08/07/2013 | CN103233114A Method for producing nickel/ferrum from nickel laterite ores |
| 08/07/2013 | CN102534235B Method for recovering valued metals from cobalt-nickel residue obtained through antimony trioxide purification in zinc hydrometallurgy |
| 08/07/2013 | CN102345019B Method for processing limonite lateritic nickel |
| 08/07/2013 | CN102345018B Method for processing nickel oxide ores |
| 08/01/2013 | WO2013111845A1 Thickener device in ore slurry manufacturing process and operation management method using same |