| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 12/12/2013 | CA2837899A1 Selective base metals leaching from laterite ores |
| 12/11/2013 | EP2670874A1 Process for separating at least one platinoid element from an acidic aqueous solution comprising, besides this platinoid element, one or more other chemical elements |
| 12/11/2013 | EP2670872A1 Direct purification of a nickel laterite leaching effluent |
| 12/11/2013 | EP2670714A1 Apparatus and method for conducting microbiological processes |
| 12/11/2013 | CN203333735U Integrated vanadium extraction device with continuous immersion and concentration of water and acid |
| 12/11/2013 | CN203333730U Copper-cobalt alloy leaching device |
| 12/11/2013 | CN103443305A Method for recovering heavy rare earth element |
| 12/11/2013 | CN103443304A Method for separating and recovering rare earth elements |
| 12/11/2013 | CN103443303A Method for recovering nickel from raw material containing nickel |
| 12/11/2013 | CN103443037A Apparatus and method for conducting microbiological processes |
| 12/11/2013 | CN103436721A Preparation method for ammonium rhenate from waste high temperature alloy enriched material |
| 12/11/2013 | CN103436720A Process for leaching rare earth from ion-adsorption type rare earth ore without using ammonium salt |
| 12/11/2013 | CN103436717A Method for enriching gallium and comprehensively utilizing potassium and aluminum from alunite |
| 12/11/2013 | CN103436716A Method for extracting vanadium from vanadium-containing clinker aggregate |
| 12/11/2013 | CN103436715A Method of extracting vanadium from stone coal |
| 12/11/2013 | CN103436714A Method for recovering vanadium and manganese by using stone coal and low-grade pyrolusite together |
| 12/11/2013 | CN103436712A Method for increasing leaching rate of copper in difficult-to-treat mineral |
| 12/11/2013 | CN103436711A Method for enriching gold in gold cyanide sludge |
| 12/11/2013 | CN103436697A Rare-earth carbonate crystallizing and precipitating method for processing aluminum-containing rare-earth feed liquid |
| 12/11/2013 | CN103436696A Method for preparing stock solution for electrolysis to produce metal manganese |
| 12/11/2013 | CN103436695A Commercial molybdenum oxide ammonia leaching technology capable of reducing slagging rate and molybdenum content in slag |
| 12/11/2013 | CN103436692A Electromagnetic oscillation processing device and processing method |
| 12/11/2013 | CN103436690A Method for leaching high-iron vanadium-containing calcified clinker, as well as method for producing vanadium oxide |
| 12/11/2013 | CN103013847B Ammonia-producing mineral leaching bacterium as well as culture method and application of ammonia-producing mineral leaching bacterium |
| 12/11/2013 | CN102787242B Method for recovering germanium and indium from germanium-containing material generated from lead and zinc smelting process |
| 12/11/2013 | CN102676808B Method for separating chrome vanadium from vanadium slag decomposition liquid |
| 12/11/2013 | CN102586627B Method for recovering bismuth from bismuth slag |
| 12/11/2013 | CN102345022B Rare earth metal agglutinant |
| 12/11/2013 | CN102337405B Method for applying baotite mixed carbonate-rare earth precipitation wastewater in precipitation of europium (II) sulfate |
| 12/11/2013 | CN101225469B Active additive for improving leaching ratio of hydrometallurgy |
| 12/05/2013 | WO2013177729A1 Method for separating rare-earth by coupled recycling of materials |
| 12/05/2013 | WO2013177680A1 Processes for preparing lithium carbonate |
| 12/05/2013 | WO2013140379A3 System and method for monitoring and controlling irrigation delivery in leaching piles |
| 12/05/2013 | US20130319178 Process for separating at least one platinoid element from an acidic aqueous solution comprising, besides this platinoid element, one or more other chemical elements |
| 12/05/2013 | CA2874917A1 Processes for preparing lithium carbonate |
| 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 | CN203320083U Rhodium refining airtight extraction equipment |
| 12/04/2013 | CN203320079U Organic phase continuous saponification equipment in rare earth extraction process |
| 12/04/2013 | CN203320078U Organic extraction agent pretreating device utilizing electro-oxidation |
| 12/04/2013 | CN203320077U Dissolving furnace for difficulty-dissolved rhodium, iridium and ruthenium alkalis |
| 12/04/2013 | CN103421965A Technological method for rare earth fractional extraction and separation through adopting double feed inlets |
| 12/04/2013 | CN103421964A Method for leaching vanadium from stone coal containing vanadium |
| 12/04/2013 | CN103421963A Method for extracting vanadium from stone coal containing vanadium |
| 12/04/2013 | CN103421960A Method for efficiently recycling ferro-aluminium from bauxite tailings and synchronously preparing high siliceous residues |
| 12/04/2013 | CN103421956A Technology for recycling platinum and palladium from acid solution containing low concentration of platinum family precious metals by adopting reducing precipitation method |
| 12/04/2013 | CN103421953A Method for deep separation of vanadium and molybdenum |
| 12/04/2013 | CN103421952A Synergic extraction agent and method for selectively extracting nickel in acidic nickeliferous solution through synergic extraction agent |
| 12/04/2013 | CN103421951A Methods of selectively seperating and recovering manganese from cobalt and nickel using screen effect of mixed extracting agent |
| 12/04/2013 | CN103421950A Method for synchronously extracting vanadium and chromium during electrochemical resolving of vanadium slag in low-temperature low-concentration potassium hydroxide solution |
| 12/04/2013 | CN103421949A New technology for smelting aluminium by CH wet method |
| 12/04/2013 | CN103421702A Bacteria Lysinibacillus sp. for adsorbing gold and antimony |
| 12/04/2013 | CN102899491B Method for floating and separating high-concentration iron ions from zinc sulfate leachate |
| 12/04/2013 | CN102703710B Resource treatment method for extracting gold by means of waste plastic-packaged IC card plates |
| 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 | CN102417979B Processing method of zinc sulfide concentrate |
| 12/04/2013 | CN102365378B Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper |
| 12/04/2013 | CN102251253B Method for extracting and separating nickel, iron and copper from electrolyte |
| 12/04/2013 | CN101619389B Method for extracting lead from lead sulfide ore concentrate by HCl-O2-NaCl system |
| 12/04/2013 | CA2817965A1 Biological method for liquid ferric sulfate manufacturing |
| 12/03/2013 | US8597399 Method for thiosulfate leaching of precious metal-containing materials |
| 11/28/2013 | WO2013177583A2 System and method for selectively removing metals from industrial waste |
| 11/28/2013 | WO2013176110A1 Method and apparatus for recovering copper oxide from copper-containing acidic waste liquids |
| 11/28/2013 | WO2013173914A1 Arsenic recovery from copper-arsenic sulphides |
| 11/28/2013 | WO2013173855A1 A process of ferric leaching of metal ores and concentrates |
| 11/28/2013 | WO2013140039A8 Method for recovering lithium carbonate |
| 11/27/2013 | EP2665757A1 Modified poly (styrene-co-maleic anhydride) and uses thereof |
| 11/27/2013 | EP2665680A2 Method for obtaining elements or element compounds from the intermediate products or by-products obtained during the production of titanium dioxide |
| 11/27/2013 | CN203307393U Moisturizing experiment device for heating and curing concentrated acid |
| 11/27/2013 | CN103415632A Extraction of alkali metals and/or alkaline earth metals for use in carbon sequestration |
| 11/27/2013 | CN103415631A Dissolution and recovery of at least one element nb or ta and of at least one other element u or rare earth elements from ores and concentrates |
| 11/27/2013 | CN103409773A Method for extracting copper and cobalt from copper-cobalt alloy |
| 11/27/2013 | CN103409633A A method of recycling vanadium from removed silicon slag |
| 11/27/2013 | CN103409632A Method for comprehensively recovering gold mud wet technology tail gas |
| 11/27/2013 | CN103409631A Method for recovering precious metals from waste mobile phones |
| 11/27/2013 | CN103409627A Method for preparing low-silicon low-calcium low-aluminium vanadium liquid |
| 11/27/2013 | CN103409626A Method for asynchronously extracting and separating vanadium and manganese from solution containing V (IV) and Mn (II) |
| 11/27/2013 | CN103409625A Method for removing arsenic from acid solution |
| 11/27/2013 | CN103409624A Method for lixiviating molybdenum from roasted molybdenite |
| 11/27/2013 | CN103409623A Method for reducing consumption of thiosulfate in gold leaching system |
| 11/27/2013 | CN103409622A Method for individually processing high-iron zinc sulfide concentrate |
| 11/27/2013 | CN103409621A Combined leaching method for high-iron zinc sulfide concentrate and high-iron zinc calcine leaching slag |
| 11/27/2013 | CN103409620A Method for measuring leaching parameters of dump leaching mineral pile at different depths |
| 11/27/2013 | CN102965499B Method for extracting valuable element in arsenic salt purification slag from zinc hydrometallurgy |
| 11/27/2013 | CN102839282B Method for producing high-purity nano zinc oxide from low-grade zinc oxide ores |
| 11/27/2013 | CN102747229B Method for separating and recycling valuable metals in powder rich in multiple metals of waste circuit board |
| 11/27/2013 | CN102392141B Method for separating tellurium from precious metals |
| 11/26/2013 | CA2596708C Chemical beneficiation of raw material, containing tantalum-niobium |
| 11/26/2013 | CA2498949C Heap leach process |
| 11/21/2013 | WO2013171861A1 Extraction solvent for extracting metallic elements, method for producing same, and method for recovering metallic elements |
| 11/21/2013 | WO2013171804A1 Uranium solvent extraction method |
| 11/21/2013 | WO2013170370A1 Processes for recovering rare earth elements from various materials |
| 11/21/2013 | WO2013170297A1 A method of adaptation of a bacterial culture and leaching process |
| 11/21/2013 | WO2013124831A3 Solid-liquid process for extraction of radionuclides from waste solutions |
| 11/21/2013 | US20130309151 Heap leaching of manganese-containing ores |
| 11/20/2013 | EP2389457B1 An improved process of leaching lateritic ore with sulphuric acid |
| 11/20/2013 | CN203295583U Device for purifying zinc hydrometallurgy lixivium |
| 11/20/2013 | CN203295582U Saw-toothed heap leaching filed for non-ferrous metal mines |