| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 06/12/2013 | CN103154283A Method for treating a solution containing zinc sulphate |
| 06/12/2013 | CN103154282A Effective recovery of lithium from lithium ion battery waste |
| 06/12/2013 | CN103147291A Grafted copolymer with modified amino and preparation method and application thereof |
| 06/12/2013 | CN103146938A Extraction and separation method of uranium |
| 06/12/2013 | CN103146930A Method for preparing vanadium oxide |
| 06/12/2013 | CN103146928A Method for processing anode mud with high Ag, Bi and Pb by using full wet method |
| 06/12/2013 | CN103146927A Smelting method for treating zinc leached residues in mixed manner by using oxygen leached residues |
| 06/12/2013 | CN103146925A Method of recycling rear earth from neodymium iron boron waste |
| 06/12/2013 | CN103146921A Method for removing aluminum in rare-earth solution |
| 06/12/2013 | CN103146920A Pretreatment method for refractory gold ore containing arsenic and sulfur |
| 06/12/2013 | CN103146919A Method for strongly leaching laterite-nickel ore at normal pressure by using sulphuric acid |
| 06/12/2013 | CN103146918A Process for directly producing electrolytic zinc from zinc extraction liquid |
| 06/12/2013 | CN102560087B Method for extracting indium and zinc from high-iron indium-containing zinc calcine and preparing iron oxide |
| 06/12/2013 | CN102417992B Purification method of thorium |
| 06/12/2013 | CN102417980B Method for producing nickel sulfate by leaching Lateritic nickle ores with both sulfuric acid and ammonia |
| 06/12/2013 | CN102345020B Method for separating and recycling vanadium and chromium in solution |
| 06/12/2013 | CN102212684B Method for wet-leaching lateritic-nickel ore at transition layer |
| 06/12/2013 | CN101760610B Method for comprehensively recycling gold concentrator tailings |
| 06/11/2013 | US8460623 Methods of metal extraction using oximes |
| 06/06/2013 | WO2013078553A1 Method for reducing chromium |
| 06/06/2013 | US20130140186 Process for gold and silver leaching with thiourea solutions |
| 06/06/2013 | US20130139648 Recovery Method for High Purity Platinum |
| 06/06/2013 | CA2857364A1 Method for reducing chromium |
| 06/05/2013 | EP2599885A1 Process for production of ferronickel smelting raw material from low grade lateritic nickel ore |
| 06/05/2013 | CN202968658U Device for replacing cadmium metal |
| 06/05/2013 | CN202968657U Extraction box |
| 06/05/2013 | CN202962465U Stirring tank capable of conveniently extracting useful metals from slag wastewater |
| 06/05/2013 | CN202962360U Graduated mixed stirring tank for slag wastewater extraction |
| 06/05/2013 | CN103131873A Method for separating lithium from aluminous rocks and preparing lithium carbonate by using mixed acid |
| 06/05/2013 | CN103131867A Method for extracting vanadium from vanadium containing slag |
| 06/05/2013 | CN103131866A Method for recovering silver and zinc in wet processing of lead and silver slag |
| 06/05/2013 | CN103131864A Method for pre-treating complex indium-containing smoke dust by microwave roasting |
| 06/05/2013 | CN103131862A Pretreatment decomposition method for extracting high-purity rare earth oxide from phosphor powder waste material |
| 06/05/2013 | CN103131860A Method for preparing silicon-titanium aluminum oxide by carrying out deferrization on coal ash in activating way |
| 06/05/2013 | CN103131859A Comprehensive recycling method for metals in superalloy scrap |
| 06/05/2013 | CN103131857A Method for purifying platinum group metal from waste three-way catalyst |
| 06/05/2013 | CN103131856A Bio-electrochemical system used for copper sulfide ore leaching |
| 06/05/2013 | CN103131855A Method for treating normal pressure leaching of transitional nickel laterite ore |
| 06/05/2013 | CN103131854A Method for comprehensively recovering scandium and titanium by leaching red mud with titanium white waste acid |
| 06/05/2013 | CN103131847A Method for desulphurizing high-sulphur rhodochrosite |
| 06/05/2013 | CN103131846A Processing method of low grade magnesite |
| 06/05/2013 | CN103131650A Eosino-thiobacillus and application thereof to copper pyrites leaching |
| 06/05/2013 | CN103127765A Sponge cadmium filtering and feeding device and sponge cadmium filtering and feeding method |
| 06/05/2013 | CN102703716B Method for extracting rhenium from rhenium-containing smoke tail gas |
| 06/05/2013 | CN102634666B Method for dearsenicating fresh high-arsenium lead anode slime under oxygen pressure |
| 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 | CN102358919B Method for extracting valuable metal from submarine metallic ore |
| 06/05/2013 | CN102312089B Method for recovering rare earth from rare-earth-contained phosphorite |
| 06/05/2013 | CN102251119B Method for recycling vanadium extraction tailings |
| 06/05/2013 | CN101988155B Composite additive for purifying and removing cobalt in zinc hydrometallurgy |
| 06/04/2013 | US8454723 Saprolite neutralisation of heap leach process |
| 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 | CN103122415A Method for improving inclusion gold leaching rate |
| 05/29/2013 | CN103122411A Cyclic and comprehensive utilization method of sodium-free mangano-manganic oxide production mother solution |
| 05/29/2013 | CN103122410A Method for extracting and grouping-separating light, middle and heavy rare earth elements in multi-rare earth complex solution |
| 05/29/2013 | CN103122409A Extraction agent capable of effectively improving manganese extraction effect and extraction method |
| 05/29/2013 | CN103122408A Method and device for extracting and separating praseodymium and neodymium |
| 05/29/2013 | CN103121724A Method for preparing lithium ion sieve MnO2.0.5H2O and precursor thereof Li1.6Mn1.6O4 |
| 05/29/2013 | CN102643985B Method for extracting valuable metals from high-iron bauxite with step-by-step acid leaching |
| 05/29/2013 | CN102277490B Biological column leaching device |
| 05/29/2013 | CN102268537B Method for extracting cobalt and nickel from laterite-nickel ore |
| 05/29/2013 | CN101760624B Method for extracting gold by using circuit board anode mud |
| 05/29/2013 | CN101128264B Modified amine-aldehyde resins and uses thereof in separation processes |
| 05/28/2013 | CA2685371C Nickel-laterite process |
| 05/23/2013 | WO2013073376A1 Method for recovering rare earth element |
| 05/23/2013 | WO2012080988A4 Precipitation of antimony and bismuth from copper refinery electrolyte using pbo2 |
| 05/23/2013 | US20130129585 Method for recycling lead from waste glass containing lead |
| 05/23/2013 | US20130125709 Metals recovery from mining heap leach ore |
| 05/22/2013 | CN202945303U Isolation stirring device of rare earth extraction mixing clarifying tank |
| 05/22/2013 | CN202945299U Novel rare-earth settling tank |
| 05/22/2013 | CN202945298U Novel extraction box |
| 05/22/2013 | CN202945297U 电解反应器 Electrolytic reactor |
| 05/22/2013 | CN202942680U Heating device of mixer-settler |
| 05/22/2013 | CN103114303A Process method for deep purification in production for high-purity non-selenium electrolytic manganese metal and additive |
| 05/22/2013 | CN103114211A Method for extracting lithium from primary lithium-extraction solution of lithium ores |
| 05/22/2013 | CN103114209A Method for leaching cobalt and copper in cobalt-copper alloy through cooperation of thiobacillus ferrooxidans |
| 05/22/2013 | CN103114207A Method for purifying pure gold, silver, platinum, palladium and osmium |
| 05/22/2013 | CN103114203A Method for preparing sodium pyroantimonate by using waste antimony pentachloride as raw material |
| 05/22/2013 | CN103114202A Comprehensive recovery process for environment-friendly type refractory gold-silver ore multi-metals |
| 05/22/2013 | CN102560099B Tandem column soak test device |
| 05/22/2013 | CN102260801B Clean conversion method of stone coal |
| 05/22/2013 | CN102140089B Thiacalix [8] arene diethyl acetamide as well as synthesis method and application thereof |
| 05/22/2013 | CN102002588B Bioleaching method-uranium leaching from fungus |
| 05/16/2013 | WO2013069563A1 Cobalt extraction method |
| 05/16/2013 | WO2013069562A1 Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 05/16/2013 | WO2013068645A1 Method for leaching a sulphidic metal concentrate |
| 05/16/2013 | WO2013067577A1 A method for the treatment of ore material |
| 05/16/2013 | WO2013023254A8 Method for the recovery of magnesium sulphate and production of magnesium oxide |
| 05/16/2013 | US20130121910 Controlled copper leach recovery circuit |
| 05/16/2013 | CA2854865A1 A method for the treatment of ore material |
| 05/16/2013 | CA2850909A1 Method for leaching a sulphidic metal concentrate |
| 05/16/2013 | CA2827635A1 Valuable metal extraction agent and valuable metal extraction method using said extraction agent |
| 05/16/2013 | CA2827601A1 Cobalt extraction method |
| 05/15/2013 | EP2592068A1 Method for synthesizing rare earth metal extractant |
| 05/15/2013 | EP2592067A1 Method for synthesizing rare earth metal extractant |
| 05/15/2013 | EP2591130A2 Method for economical extraction of lithium from solution including lithium |