| Patents for C22B 23 - Obtaining nickel or cobalt (3,818) |
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| 08/01/2013 | WO2013110183A1 Process for recovering metals from silicate materials |
| 07/31/2013 | CN102134656B Method for fluidized drying and synchronous pre-reduction of laterite-nickel ore |
| 07/31/2013 | CN101942563B Method for manufacturing lithium carbonate from material recovered from lithium ion secondary batteries |
| 07/25/2013 | WO2013108645A1 Hydrogen sulfide gas production plant and method for recovering and using waste hydrogen sulfide gas |
| 07/24/2013 | CN103221557A Method for producing nickel-ontaining acidic solution |
| 07/24/2013 | CN103215446A Serpentine type laterite nickel ore hydrochloric acid normal pressure leaching cleaning production method |
| 07/18/2013 | WO2013105454A1 Flash vessel and method for operating same |
| 07/18/2013 | WO2013105453A1 Method for operating flash vessel |
| 07/18/2013 | WO2013104045A1 Method for selective precipitation of iron, arsenic and antimony |
| 07/17/2013 | CN203068980U Feeding device for nickel smelting |
| 07/17/2013 | CN203065543U System for detecting reduction leaching degree of ore concentrate containing trivalent cobalt on production site |
| 07/17/2013 | CN103205569A Method for treating nickel laterite ores |
| 07/17/2013 | CN103205568A Utilization method of laterite nickel ore |
| 07/17/2013 | CN103205567A Method for enriching gold and platinum group metal in process of melting copper-nickel sulfide ore |
| 07/17/2013 | CN102676803B Resource utilization method for catalytic oxidation leaching of molybdenum and nickel from molybdenum-nickel ore |
| 07/10/2013 | CN103194620A Method for comprehensively utilizing magnesium and iron in nickel laterite ore |
| 07/10/2013 | CN102399992B Method for recovering valuable metals from waste plastic plating layer containing copper and nickel |
| 07/10/2013 | CN102367512B Method for deep reduction and magnetic separation of nickel and iron in lateritic nickel ore carbon-containing pellets |
| 07/10/2013 | CN102329956B Extraction process of nickel element from laterite-nickel ore by wet method |
| 07/09/2013 | CA2732187C Recovery method for cobalt contained in copper-containing solution |
| 07/03/2013 | CN103184337A Separation and extraction method for nickel and cobalt in low-grade sulfide mineral bioleaching agent through synergistic extraction |
| 07/03/2013 | CN103184335A Low-grade multi-metal sulfide mineral selective bioleaching technology |
| 07/03/2013 | CN102433437B Heavy metal sludge recycling and innocent treatment method |
| 06/27/2013 | WO2012170297A3 Nickel form for preparation of catalytic nickel-ligand complexes |
| 06/26/2013 | EP2606157A2 Process for separating and recovering metals |
| 06/26/2013 | CN103173623A Method for recovering nickel and cobalt from multi-metal acidic water |
| 06/26/2013 | CN103173619A Method for recovering nickel and tungsten by waste nickel and tungsten catalyst |
| 06/26/2013 | CN103173616A Method for extracting and separating copper and cobalt in waste lithium ion battery leach solution with microemulsion |
| 06/26/2013 | CN103173613A Clean production method in atmospheric pressure leaching of limonite type laterite-nickel ore with hydrochloric acid |
| 06/26/2013 | CN102163760B Method for separating and recovering lithium and cobalt from positive electrode material of lithium battery |
| 06/25/2013 | US8469196 Method and apparatus for separating metal values |
| 06/20/2013 | WO2013086606A1 Separation of iron from value metals in leaching of laterite ores |
| 06/20/2013 | US20130153436 Systems and methods for metal recovery |
| 06/19/2013 | CN103168107A Method for recovering valuable metals from lithium secondary battery wastes |
| 06/19/2013 | CN103157793A Metastable-state face-centered cubic phase block cobalt metal and preparation method thereof |
| 06/19/2013 | CN102433433B Whole-wet method treatment process for extracting and preparing Mo and Ni products from refractory Mo-Ni ore |
| 06/19/2013 | CN102382987B Method for recovering and regenerating positive electrode material of lithium ion battery |
| 06/13/2013 | WO2013056348A4 Energy efficient salt-free recovery of metal from dross |
| 06/13/2013 | US20130145901 Pyrometallurgical method |
| 06/12/2013 | CN103146957A Method for making hydrogen storage alloy through utilizing non-serviceable nickel-metal hydride battery |
| 06/12/2013 | CN103146935A Pyrolyzing furnace for preparing nickel rod through chemical vapor deposition method and method for preparing nickel rod |
| 06/12/2013 | CN103146934A Method for performing extraction separation on cobalt and nickel by using microfluid technology |
| 06/12/2013 | CN103146919A Method for strongly leaching laterite-nickel ore at normal pressure by using sulphuric acid |
| 06/12/2013 | CN103146911A Beneficiation method for treating combined copper oxide ore and recovering associated valuable metals |
| 06/12/2013 | CN102557299B Recovery method of copper-nickel heavy metals in electroplated mixed-flow waste water |
| 06/12/2013 | CN102417980B Method for producing nickel sulfate by leaching Lateritic nickle ores with both sulfuric acid and ammonia |
| 06/12/2013 | CN102212684B Method for wet-leaching lateritic-nickel ore at transition layer |
| 06/11/2013 | US8460429 Production of nickel |
| 06/06/2013 | WO2013080266A1 Method for recovering valuable metal |
| 06/06/2013 | US20130144079 Calcination and reduction process including a fluidizing bed reactor |
| 06/05/2013 | EP2599885A1 Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 06/05/2013 | CN202973836U Rotary kiln for producing ferronickel from Indonesia Sulawesi nickel laterite ore through RKEF (rotary kiln-electric furnace) technical processing |
| 06/05/2013 | CN103131872A Method of controlling temperature of energy-saving environment-friendly laterite-nickel ore smelting shaft furnace through aluminothermic process |
| 06/05/2013 | CN103131859A Comprehensive recycling method for metals in superalloy scrap |
| 06/05/2013 | CN103131855A Method for treating normal pressure leaching of transitional nickel laterite ore |
| 06/05/2013 | CN103131815A Technique for producing spongy iron and nickel iron by microwave high-temperature continuous reduction |
| 06/05/2013 | CN102605174B Process method for respectively recovering nickel and iron from low-nickel high-iron laterite |
| 06/05/2013 | CN102485922B Method for extracting nickel, cobalt, magnesium and iron from laterite-nickel ore under conditions of normal temperature and normal pressure and using waste residues |
| 06/05/2013 | CN102321824B Method for desiliconizing cobalt white alloy |
| 06/04/2013 | US8454723 Saprolite neutralisation of heap leach process |
| 06/04/2013 | CA2607770C Method for recovering valuable metals from wastes |
| 06/04/2013 | CA2580120C Process for preparing nickel loaded organic extractant solution |
| 05/30/2013 | WO2013077296A1 Method for producing high-purity nickel sulfate |
| 05/30/2013 | WO2013077168A1 Cobalt extractant and cobalt extraction method |
| 05/30/2013 | WO2013076812A1 Method for producing nickel-containing acidic solution |
| 05/30/2013 | CA2856341A1 Method for producing high-purity nickel sulfate |
| 05/29/2013 | EP2597164A1 Method for separating nikel and cobalt from active materials contained in spent nickel-hydrogen battery |
| 05/29/2013 | CN102417993B Novel melting blow-in method of oxygen-rich side-blown molten pool |
| 05/29/2013 | CN102268537B Method for extracting cobalt and nickel from laterite-nickel ore |
| 05/28/2013 | CA2685371C Nickel-laterite process |
| 05/22/2013 | CN103119182A Process for separating and recovering metals |
| 05/22/2013 | CN103114209A Method for leaching cobalt and copper in cobalt-copper alloy through cooperation of thiobacillus ferrooxidans |
| 05/22/2013 | CN103114205A Two-step method for extracting valuable metal nickel and copper from sodium jarosite slag |
| 05/22/2013 | CN103114198A Method for utilizing nickel flash smelting water-quenched slag |
| 05/22/2013 | CN102206761B Production method of high purity cobalt |
| 05/21/2013 | CA2519229C Process for producing reduced metal and agglomerate with carbonaceous material incorporated therein |
| 05/16/2013 | WO2013069563A1 Cobalt extraction method |
| 05/16/2013 | CA2827601A1 Cobalt extraction method |
| 05/15/2013 | EP2591076A2 Slurry catalyst and slurry flakes valorization |
| 05/15/2013 | CN103103366A Method for controlling energy saving and environment protecting laterite nickel ore smelting shaft furnace temperature by silicothermic process |
| 05/15/2013 | CN103103355A Separating method of waste copper-nickel alloy |
| 05/15/2013 | CN103103354A Production method for circularly recovering ultrafine nickel powder from shadow mask of discarded CRT (Cathode Ray Tube) screen |
| 05/15/2013 | CN103103352A Method for producing nickel matte from sulfur-containing waste residue and laterite-nickel ore |
| 05/15/2013 | CN102212689B Method for removing chromium and recycling nickel by oxidizing nickel/chromium-containing aqueous solution |
| 05/15/2013 | CN102199706B Method for comprehensively recovering valuable metal in diode core |
| 05/10/2013 | WO2013065773A1 Ore slurry production method and metal refining method |
| 05/10/2013 | CA2847149A1 Ore slurry production method and metal refining method |
| 05/08/2013 | CN202925079U Indirect heat exchange device of sulfuric acid and nickel smelting workshop |
| 05/08/2013 | CN103088215A Method for separating nickel-cobalt and manganese in nickel-cobalt-manganese material with high manganese-cobalt ratio |
| 05/08/2013 | CN103088210A Method for selectively leaching nickel and molybdenum from nickel-molybdenum ore |
| 05/08/2013 | CN102337403B Online saponification system and process of extractant for Co-Ni separation |
| 05/02/2013 | WO2013061848A1 Method for producing high-purity cobalt sulfate aqueous solution |
| 05/02/2013 | WO2012170537A3 Calcination and reduction process including a fluidizing bed reactor |
| 05/02/2013 | CA2853224A1 Method for producing high-purity cobalt sulfate aqueous solution |
| 05/01/2013 | CN202912993U Automatic feeding device for energy-saving and environment-friendly laterite nickel ore smelting shaft furnace |
| 05/01/2013 | CN202912992U Energy-saving and environment-friendly laterite nickel ore smelting equipment |
| 05/01/2013 | CN103080277A Slurry catalyst and slurry flakes valorization |
| 05/01/2013 | CN103074494A Method of recovering molybdenum and cobalt from waste cobalt-molybdenum catalyst |
| 05/01/2013 | CN103074493A Application of brucite to recovery of nickel cobalt |
| 05/01/2013 | CN103074491A Method for extracting and separating copper, chromium and nickel from acid leaching solution |