| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 05/19/2010 | CN101082084B Technique for reclaiming smelting refined bismuth from bismuth slag |
| 05/19/2010 | CN101029357B Method for managing, circulating and utilizing nitronic oxide during golden smelting process |
| 05/18/2010 | US7717977 Method and unit for continuously producing metal microparticle |
| 05/18/2010 | CA2468885C A method for precipitating iron from a zinc sulphate solution as hematite |
| 05/14/2010 | WO2010054168A1 Separation method for carrier-free radiolanthanides |
| 05/14/2010 | WO2010051992A1 Recovery of metals and acids from exhausted pickling solutions and/or neutralization sludge |
| 05/14/2010 | CA2742764A1 Separation method for carrier-free radiolanthanides |
| 05/13/2010 | US20100116092 Process for extracting gold from gold-bearing ore |
| 05/13/2010 | US20100116091 System and Method for Leaching a Metal from a Base Mineral Rock |
| 05/13/2010 | CA2660226A1 Method of recovering silver using anion-exchange resin |
| 05/12/2010 | CN201459210U Electrolytic manganese metal slurrying device |
| 05/12/2010 | CN201459209U Electrolytic manganese metal slurry barrel |
| 05/12/2010 | CN201459208U Middle leaching barrel of electrolytic zinc |
| 05/12/2010 | CN201459103U Biological immobilized continuous culture device |
| 05/12/2010 | CN201458766U Cylindrical digester for quickly digesting and separating fly ash clinker |
| 05/12/2010 | CN201454193U Van type underflow washing press filter for metavanadate |
| 05/12/2010 | CN201454149U Box type mixer-settler extraction tank |
| 05/12/2010 | CN1880489B Non-saponifiable extraction full-separating process for high concentration rare earth solution |
| 05/12/2010 | CN101705506A Technology for secondary recovery of gold from flotation tailings |
| 05/12/2010 | CN101705380A Method for recovering rare earth from rare earth-containing aluminum-silicon materials |
| 05/12/2010 | CN101705379A Method for recycling indium from silicon carbide materials containing indium |
| 05/12/2010 | CN101705378A Method for comprehensively recovering valuable metals from complex alloys containing stibium, tellurium, indium, germanium and silver |
| 05/12/2010 | CN101705377A Method for extracting vanadium from stone coal by wet-process enrichment and pyrogenic-process conversion |
| 05/12/2010 | CN101705371A Method for extracting cobalt in copper cobalt sulfide ore |
| 05/12/2010 | CN101705365A Production method for oxygen pressure leaching platinum group metals from platinum group metal waste materials containing sulphur |
| 05/12/2010 | CN101705364A Comprehensive recycling technology of high-charcoal molybdenum-containing gold and silver ore |
| 05/12/2010 | CN101705358A Method for extracting manganese in electrolytic manganese residues by biologic leaching |
| 05/12/2010 | CN101705357A Method for decomposing vanadous stone coal by using dry method without roasting |
| 05/12/2010 | CN101703842A Method for enriching and separating trace cadmium |
| 05/12/2010 | CN101191154B Revolving drum type bioreactor used for microorganism lixiviation |
| 05/12/2010 | CN101191153B Pyrite selectivity inhibition technique for secondary copper sulfide mineral biological lixiviation process |
| 05/11/2010 | US7713500 Leaching process |
| 05/11/2010 | US7713328 Metallic colloid particles and process for producing same |
| 05/11/2010 | CA2448999C Gold and silver recovery from polymetallic sulfides by treatment with halogens |
| 05/11/2010 | CA2356601C High throughput screening method, array assembly and system |
| 05/11/2010 | CA2348436C Sulfatisation process for metal extraction from sulfide ores |
| 05/11/2010 | CA2240082C Process for silica and magnesium salts production from tailings coming from asbestos mining |
| 05/06/2010 | US20100111751 Method for thiosulfate leaching of precious metal-containing materials |
| 05/05/2010 | CN101701292A Method for recovering indium and tin from ITO waste targets by utilizing oxidation method |
| 05/05/2010 | CN101701291A Method for recovering indium and tin from ITO waste target materials on basis of distillation |
| 05/04/2010 | US7709135 grinding membrane electrode assembly into powder, extracting catalytic element by forming slurry comprising powder and acid leachate, and separating slurry into depleted powder and supernatant |
| 05/04/2010 | US7708974 Tungsten comprising nanomaterials and related nanotechnology |
| 05/04/2010 | CA2573936C Optimization of bioleaching process |
| 04/29/2010 | US20100101367 Method and apparatus for recovering indium from waste liquid crystal displays |
| 04/28/2010 | EP2179967A1 Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 04/28/2010 | CN101698905A Method for enriching and separating noble metal in aluminum-containing noble metal liquid by two-step method |
| 04/28/2010 | CN101698904A Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof |
| 04/28/2010 | CN101698495A Method for separating and purifying lanthanum oxide with strong acidic cation-exchange fiber column |
| 04/27/2010 | US7704398 Method and apparatus for purification of an aqueous solution from droplets of extraction solution |
| 04/27/2010 | US7704298 contacting with thiosulfate lixiviants to solubilize the precious metal and form pregnant leach solution, then electrowinning in presence of sulfite |
| 04/27/2010 | CA2181961C Interseparation of platinum group metals |
| 04/23/2010 | CA2682542A1 Method for treating mineral sludge above ground using polymers |
| 04/22/2010 | WO2010044972A1 Metal extractant reagents having increased resistance to degradation |
| 04/22/2010 | CA2740395A1 Metal extractant reagents having increased resistance to degradation |
| 04/21/2010 | EP2177477A1 Method of treating arsenical matter with alkali |
| 04/21/2010 | CN101696471A Plant metallurgical method for recovering gold from gold tailings |
| 04/21/2010 | CN101696468A Acid-method regenerative organic phase process in vanadium extraction cycle |
| 04/21/2010 | CN101696467A Method for saponifying organic extracting agent |
| 04/21/2010 | CN101328537B Process for comprehensive recovery nickel, copper, cobalt, sulfur and magnesium from high magnesium and nickle ore concentrate |
| 04/21/2010 | CN101126123B Method for washing and processing nickel-containing iron slag |
| 04/21/2010 | CN101078052B Method for synthetically reclaiming iron and non-ferrous metal from solid waste of iron and steel plant |
| 04/15/2010 | WO2010041525A1 Composition for collecting metal component |
| 04/14/2010 | EP2174914A1 Method of treating diarsenic trioxide |
| 04/14/2010 | EP2174913A1 Method of treating nonferrous smelting intermediary product containing arsenic |
| 04/14/2010 | EP2174912A1 Method of treating copper-arsenic compound |
| 04/14/2010 | CN101693952A Method for recovering manganese and lead from electrolytic manganese anode mud |
| 04/14/2010 | CN101693947A Additive and method for extracting vanadium by roasting stone coal ores, and preparation method thereof |
| 04/14/2010 | CN101693946A Additive and method for extracting vanadium by roasting stone coal ores and preparation method thereof |
| 04/14/2010 | CN101693932A Method for producing ferrovanadium |
| 04/13/2010 | US7695625 Method and apparatus for purification of slightly water-soluble organic solution from aqueous entrainment |
| 04/13/2010 | CA2480808C Process for recovery of gallium |
| 04/13/2010 | CA2400854C Method for utilising steelworks dust |
| 04/08/2010 | WO2010037169A1 Process for extraction of mined material |
| 04/08/2010 | US20100084281 Method for Collection of Valuable Metal from ITO Scrap |
| 04/08/2010 | DE102008048493A1 Verfahren zur selektiven sauren Entzinkung von Stahlschrotten Process for the selective acidic dezincification of steel scrap |
| 04/07/2010 | EP2171108A1 Method of recovering metal values from ores |
| 04/07/2010 | CN101691635A Alkali-acid double-cycle process for treating brown iron type nickel laterite ore |
| 04/07/2010 | CN101691633A Method for innocent treatment and comprehensive utilization of manganese slag |
| 04/06/2010 | CA2620644C Method for thiosulfate leaching of precious metal-containing materials |
| 04/06/2010 | CA2522336C Method for processing sulfide minerals and concentrates |
| 04/06/2010 | CA2450345C A method for the removal of metals from an aqueous solution using lime precipitation |
| 04/01/2010 | WO2010036144A1 Method for processing mineral raw material |
| 04/01/2010 | WO2010036142A1 Method for the recovery of noble metals |
| 04/01/2010 | WO2010035956A2 Lithium recovery device using separator reservoir, lithium recovery method and lithium adsorption/desorption system using the same |
| 04/01/2010 | WO2010034465A1 Method for the selective acidic dezincification of steel scrap |
| 04/01/2010 | WO2010034083A1 A sulfate process |
| 04/01/2010 | US20100078380 Method and Equipment for Liquid-Liquid Extraction |
| 04/01/2010 | CA2739662A1 Method for processing mineral raw material |
| 03/31/2010 | CN101684562A Liquid making technique for manganese oxide ore |
| 03/31/2010 | CN101684525A Method for extracting vanadium from vanadium-containing ferrophosphor |
| 03/30/2010 | US7686866 Leaching, oxidation and reduction steps |
| 03/30/2010 | US7686865 Extraction in a liquid or supercritical-fluid solvent; cleaner and more efficient extraction technology to the recovery of metals, such as uranium |
| 03/25/2010 | WO2010032212A1 Treatment of hydrometallurgical process streams for removal of suspended fine particles |
| 03/25/2010 | WO2010031137A1 A hydrometallurgical method for leaching base metals |
| 03/25/2010 | WO2009141566A3 Method for treating industrial waste containing asbestos and a hydraulic binding agent |
| 03/25/2010 | CA2737324A1 A hydrometallurgical method for leaching base metals |
| 03/24/2010 | CN101680053A Nickel recovery from a high ferrous content laterite ore |
| 03/24/2010 | CN100595307C Method for producing low carbon ferromanganese |
| 03/24/2010 | CN100595297C Gold extraction process with low pollution and high recovery for refractory gold concentrate |
| 03/23/2010 | US7682581 removal of Cu from a concentrated chloride-containing ZnSO4 raw solution that is going to an electrolytic preparation of zinc, using chelating alkyl-silylated silica-based ion exchanger having polyamine group, comprising routing raws solution to an ion exchange stage; purifying copper free raw solution |