| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 09/13/2012 | WO2012119187A1 Process for leaching metals from laterite ores |
| 09/12/2012 | CN102660689A Method for comprehensively recycling leaching slag in production of electrolytic manganese metal and manganese dioxide |
| 09/12/2012 | CN102660687A Method for recycling heavy metal resources of stainless steel pickling waste water neutralization sludge |
| 09/12/2012 | CN102660672A Process for smelting low-grade laterite |
| 09/12/2012 | CN102041388B Method for recycling metal from waste catalyst containing molybdenum and nickel |
| 09/05/2012 | CN102162031B De-ironing method for cobalt electrolyte |
| 09/05/2012 | CN102010986B New process for comprehensively recovering serpentine type minerals |
| 09/05/2012 | CN101705367B Copper nickel smelting process with oxygen-enriched side-blowing bath smelting method |
| 09/05/2012 | CN101463427B Method for recycling valuable metal from cobalt white alloy |
| 08/30/2012 | WO2012116003A1 Hydromethanation of a carbonaceous feedstock with nickel recovery |
| 08/30/2012 | WO2012113980A1 Method for roasting nickel sulphide |
| 08/30/2012 | WO2012113263A1 Method for removing iron and aluminum from iron-based waste material containing high-value elements through natural oxidation |
| 08/30/2012 | US20120219478 Methods Of Metal Extraction From Ammoniacal Solutions Using Oximes |
| 08/30/2012 | US20120219476 Methods Of Metal Extraction Using Oximes |
| 08/30/2012 | US20120219475 Compositions and Methods of Using a Ketoxime in a Metal Solvent Extraction Reagent |
| 08/30/2012 | US20120219474 Metal Solvent Extraction Reagents And Use Thereof |
| 08/30/2012 | CA2827916A1 Hydromethanation of a carbonaceous feedstock with nickel recovery |
| 08/29/2012 | EP2492364A1 Wet smelting plant for nickel oxide ore and method for operating same |
| 08/29/2012 | CN102650002A Improved method for smelting laterite nickel ore to produce nickelferrite or nickel matte |
| 08/29/2012 | CN102002598B Method for recovering copper and cobalt from cobalt-containing copper converter slag |
| 08/28/2012 | US8252085 Process for the recovery of metals from used nickel/metal hydride batteries |
| 08/23/2012 | WO2012111693A1 Valuable metal recovery method |
| 08/23/2012 | WO2012111690A1 Valuable metal recovery method |
| 08/23/2012 | US20120213680 Hydromethanation of a carbonaceous feedstock with nickel recovery |
| 08/22/2012 | EP2064358B1 Process for recovering group vi-b metals from spent catalysts |
| 08/22/2012 | CN102643997A Laterite-nickel ore processing method for efficiently recovering nickel resources |
| 08/22/2012 | CN102643990A Method for removing trace Cu in high-purity Ni by chelate resin |
| 08/22/2012 | CN102643989A Method for purifying and deironing crystallites of iron vitriol of bioleaching liquid |
| 08/22/2012 | CN102643976A Composite additive for producing nickel-iron particles by using laterite, and application method thereof |
| 08/22/2012 | CN102011006B Method for performing vacuum separation and purification on coating-containing zinc alloy |
| 08/16/2012 | WO2012065191A3 Method for recovering molybdenum, vanadium, nickel, cobalt and aluminum from spent catalysts |
| 08/16/2012 | US20120204680 System and Method for Recovery of Nickel Values From Nickel-Containing Ores |
| 08/15/2012 | EP2038437B1 Hybrid process using ion exchange resins in the selective recovery of nickel and cobalt from leaching effluents |
| 08/15/2012 | CN102634678A Method for recycling cobalt ions from heavy metal ion wastewater |
| 08/15/2012 | CN102634677A Method for recovering cobalt in cobalt-rich matte leaching liquid |
| 08/15/2012 | CN102634660A Leaching method for nickel carbonate by hydrochloric acid |
| 08/15/2012 | CN102634658A Leaching method for associated copper, molybdenum and nickel in coal mine containing scherbinaite |
| 08/15/2012 | CN102634657A Chlorination leaching method of nickel unclassified stores |
| 08/15/2012 | CN102634655A Chlorination leaching method of laterite sulfurized precipitate |
| 08/14/2012 | CA2519054C Recovery of metal values from cermet |
| 08/09/2012 | WO2012103618A1 Process to produce rough ferro-nickel product |
| 08/09/2012 | WO2012103617A1 Direct purification of a nickel laterite leaching effluent |
| 08/09/2012 | CA2826172A1 Process to produce rough ferro-nickel product |
| 08/09/2012 | CA2826170A1 Direct purification of a nickel laterite leaching effluent |
| 08/08/2012 | CN101906537B Process for decomposing cobalt alloy |
| 08/08/2012 | CN101617435B Stripping agent for secondary battery electrode material and method of treating secondary battery using the stripping agent |
| 08/08/2012 | CN101506394B Production of metallic nickel with low iron content |
| 08/07/2012 | CA2454854C Method of recovering sulfur from leaching residue under atmospheric pressure |
| 08/02/2012 | WO2012102384A1 Valuable metal leaching method, and valuable metal collection method employing the leaching method |
| 08/02/2012 | WO2012102265A1 Process for production of ore slurry |
| 08/02/2012 | WO2012100293A1 Improved method of ore processing |
| 08/02/2012 | DE102012001801A1 Recovering molybdenum and cobalt for preparing composite oxide, by blending composite oxide comprising molybdenum and cobalt with ceramic compact and aqueous extraction solution, and extracting molybdenum and cobalt into aqueous phase |
| 08/02/2012 | CA2825583A1 Improved method of ore processing |
| 08/01/2012 | EP2480697A1 Process for the valorization of metals from li-ion batteries |
| 08/01/2012 | EP2480696A1 Method for recovering nickel and cobalt from laterite |
| 08/01/2012 | EP1899271B1 Process for the extraction of specific transition metals |
| 07/26/2012 | US20120186398 Low acid leaching of nickel and cobalt from lean iron-containing nickel ores |
| 07/25/2012 | EP1971697B1 Hematite precipitation |
| 07/25/2012 | EP1931807B1 Method for processing nickel bearing raw material in chloride-based leaching |
| 07/25/2012 | CN102605174A Process method for respectively recovering nickel and iron from low-nickel high-iron laterite |
| 07/25/2012 | CN102041378B Chlorination segregation method for enriching nickel and cobalt from nickel laterite |
| 07/25/2012 | CN101921914B Iron removal process for copper cobalt ore leach liquor |
| 07/25/2012 | CN101768669B Method for processing cobalt-copper alloy at room temperature |
| 07/25/2012 | CN101736161B Method for comprehensively recovering tin smelting secondary raw materials by melting in DC furnace |
| 07/25/2012 | CN101736151B Method for removing iron by oxidation and neutralization in cobalt wet smelting process |
| 07/25/2012 | CN101555556B Method for comprehensively utilizing laterite-type nickel ore |
| 07/18/2012 | EP2475793A1 Recovering metal values from a metalliferrous material using neutralization agent comprising dissolved aluminium complex in solution |
| 07/18/2012 | CN102586624A Consecutive or simultaneous leaching of nickel and cobalt containing ores |
| 07/18/2012 | CN102586606A Method for recovering rare earth, vanadium and nickel from waste FCC/ROC catalytic agent containing vanadium and nickel |
| 07/18/2012 | CN102586605A Method for recovering aluminum-containing magnesium alloy waste material |
| 07/11/2012 | CN202322955U 电镀废水中回收镍的可移动作业系统 Nickel electroplating wastewater recycling mobile operating system |
| 07/11/2012 | CN102569838A Method for recycling valuable metals in manganese series waste batteries |
| 07/11/2012 | CN102560240A Method for producing ferro-nickel alloy with laterite |
| 07/11/2012 | CN102560117A Method for recovering titanium dioxide and nickel sulfate from multilayer capacitance wastes |
| 07/11/2012 | CN102560111A Biological sectional dump leaching process for low-grade multi-metal sulfide ore |
| 07/11/2012 | CN102560109A Method for extracting copper, nickel and cobalt intermediate products from copper and cobalt ore at low cost |
| 07/11/2012 | CN102560102A Method for leaching nickel and molybdenum from nickel-molybdenum ores by catalytic oxidation |
| 07/11/2012 | CN102560100A Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy |
| 07/11/2012 | CN102557320A Method for treating industrial wastewater containing ammonia, nickel, cobalt and sodium sulfate |
| 07/11/2012 | CN102557299A Recovery method of copper-nickel heavy metals in electroplated mixed-flow waste water |
| 07/11/2012 | CN102094127B Method for recovering nickel and magnesium elements from high-magnesium low-grade nickel sulfide ore |
| 07/11/2012 | CN101886178B Comprehensive recovery method for nickel-hydrogen waste battery |
| 07/05/2012 | WO2012090654A1 Method for recovering valuable material from lithium-ion secondary battery, and recovered material containing valuable material |
| 07/04/2012 | EP1880029B1 An improved process for heap leaching of nickeliferous oxidic ores |
| 07/04/2012 | CN202297735U 一种钴镍分离用萃取剂的在线皂化系统 One kind of separation of cobalt and nickel extraction agent online saponification system |
| 07/04/2012 | CN102534248A Method for leaching cobalt selectively from high-ferrum cobalt material |
| 07/04/2012 | CN102534247A Method for leaching valuable metal |
| 07/04/2012 | CN102534235A Method for recovering valued metals from cobalt-nickel residue obtained through antimony trioxide purification in zinc hydrometallurgy |
| 07/04/2012 | CN102534231A Method for extracting nickel and cobalt from nickel-cobalt-containing fluoride residue |
| 07/04/2012 | CN102534222A Method for recovering acrylonitrile butadiene styrene (ABS) plastic galvanized parts |
| 07/04/2012 | CN102534206A Method for leaching limonitic laterite nickel ore |
| 07/04/2012 | CN102534194A Method for producing ferronickel from lateritic nickel ores |
| 07/04/2012 | CN102127633B Method for enriching ferronickel by micro treatment on laterite-nickel ore |
| 07/04/2012 | CN102021325B Method for respectively leaching copper and cobalt from copper and cobalt concentrate |
| 07/04/2012 | CN102010993B Process for extracting nickel and cobalt from laterite by ore pulp extraction technology |
| 07/04/2012 | CN101994008B Novel process for separating zinc and cobalt from nickel and cobalt slag from zinc smelting and purification |
| 07/04/2012 | CN101942558B Method for drying and reducing low-grade latertic nickel ores by using bituminous coal |
| 07/04/2012 | CN101910430B Selectively leaching cobalt from lateritic ores |
| 06/27/2012 | EP2226403B1 Method of concentrating nickel in saprolite ore |
| 06/27/2012 | CN102517445A Method for extracting minerals from olivine-serpentine ore |