| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 04/06/2011 | CN101619394B Method for leaching anode and cathode mixed material of waste lithium nickel manganese cobalt battery |
| 04/06/2011 | CN101608260B Biological-chemical metallurgy method by jointly utilizing oxidized ore and sulfide ore |
| 04/06/2011 | CN101603125B Method for purification and impurity removal of nickel liquid |
| 04/06/2011 | CN101597769B Normal temperature and pressure quick desorption electrolysis method of gold loaded carbon |
| 04/06/2011 | CN101550485B Oxidative pressure acid leaching method for processing purified waste residue in zinc hydrometallurgy process |
| 04/06/2011 | CN101476033B Novel method for leaching, impurity removing and precipitating ion type rare earth ore |
| 04/06/2011 | CN101215636B Stone coal sodication roasting and vanadium-extracting method |
| 04/06/2011 | CN101157982B Method for leaching bidery metal by sulfuric acid and inflation agitation leaching trough |
| 04/05/2011 | US7918919 Process for mercury control during pressure oxidation |
| 03/31/2011 | WO2011035380A1 Recovering metals from industrial residues/wastes |
| 03/31/2011 | WO2011008137A3 Method for extracting rare earth elements from phosphogypsum |
| 03/30/2011 | EP2300143A1 A method of atomic transformation |
| 03/30/2011 | EP1922424B1 Method and apparatus for the recovery of metals from refractory mineral ores |
| 03/30/2011 | CN201778083U Partitioning detachable type baffle plate for horizontal type lining brick pressurizing kettle |
| 03/30/2011 | CN201776000U Highly-efficient partial vanadium box type undercurrent washing pressure filter |
| 03/30/2011 | CN101994010A Preparation method of arsenious ash leaching liquid |
| 03/30/2011 | CN101994009A Method for enriching and recovering indium from zinc oxide acid supernate |
| 03/30/2011 | CN101994008A Novel process for separating zinc and cobalt from nickel and cobalt slag from zinc smelting and purification |
| 03/30/2011 | CN101994007A Method for removing sulfur from waste lead-acid storage battery gypsum mud by using magnesium chloride |
| 03/30/2011 | CN101994005A Method for purifying zinc sulfate solution and removing cobalt by using arsenic ash lixivium |
| 03/30/2011 | CN101994004A Process for extracting and separating rare-earth elements |
| 03/30/2011 | CN101994003A Process for selectively extracting copper and cobalt from heterogenite |
| 03/30/2011 | CN101993835A Arsenic-resistant bacteria and method for performing oxidation treatment on high-arsenic gold concentrate by using same |
| 03/30/2011 | CN101717868B Method for comprehensively recovering indium and gallium from distilled waste acid containing indium and gallium |
| 03/30/2011 | CN101709378B Method for depositing rare earth cerium (IV) |
| 03/30/2011 | CN101638720B Bacterial leaching copper method of complex chalcopyrite flotation tailings |
| 03/30/2011 | CN101629246B Zinc smelting process by neutralization and hydrolysis iron removal method |
| 03/30/2011 | CN101629245B Zinc hydrometallurgical process of iron removal by neutralization hydrolysis |
| 03/30/2011 | CN101451185B Comprehensive recovery method for ferro-sulphur ore containing copper, zinc and iron multi-metal |
| 03/30/2011 | CN101434918B Leaching-ore bacteria and high temperature heap bioleaching process for chalcopyrite ore by using the same |
| 03/30/2011 | CN101333597B Chemical industry metallurgical comprehensive approach for nepheline ore by completely-wet method |
| 03/30/2011 | CN101292051B Method and apparatus for the recovery of refractory mineral ores |
| 03/29/2011 | US7914755 Method of preparing ceramic powders using chelate precursors |
| 03/29/2011 | CA2593114C Process for the recovery of materials from a desulfurization reaction |
| 03/24/2011 | WO2011005736A3 Processes for recovering metals from aqueous solutions |
| 03/24/2011 | US20110068520 System for decreasing amount of organic solution in the liquid-liquid extraction process |
| 03/23/2011 | EP2298964A1 Process for producing metallic zirconium |
| 03/23/2011 | EP2298942A1 Method for recovery of copper, indium, gallium, and selenium |
| 03/23/2011 | EP2074233B1 Accelerated heat generation in heap bioleaching by controlled carbon dioxide addition |
| 03/23/2011 | CN201770750U Biological preoxidation reactor |
| 03/23/2011 | CN101988155A Composite additive for purifying and removing cobalt in zinc hydrometallurgy |
| 03/23/2011 | CN101988154A New technology for preparing electrolytic manganese metal solution and recycling iron by reducing pyrolusite with iron scraps |
| 03/23/2011 | CN101988153A Novel process for efficiently and fast removing iron in manganese ore wet process reduction method |
| 03/23/2011 | CN101619399B Method for selectively leaching voluble metal in copper refinery cinder |
| 03/23/2011 | CN101532086B A vanadium-containing resin desorption method |
| 03/23/2011 | CN101054635B Method for extracting vanadium pentoxide from Stone-like coal vanadium ore and special device for the same |
| 03/17/2011 | WO2011030301A1 Treatment of minerals |
| 03/17/2011 | WO2011029172A1 Recovering metal values from a metalliferrous material using neutralization agent comprising dissolved aluminium complex in solution |
| 03/17/2011 | CA2774050A1 Treatment of minerals |
| 03/16/2011 | EP2294232A1 Iron precipitation |
| 03/16/2011 | EP1755759B1 Method and apparatus for purification of an aqueous solution form droplets of extraction solution |
| 03/16/2011 | CN201762414U Shock percolation device |
| 03/16/2011 | CN201762413U Novel extraction tank grating |
| 03/16/2011 | CN201762119U Device for recycling washing water of extraction production line |
| 03/16/2011 | CN101985694A Preparation method for recovering high-purity yttrium europium from fluorescent powder scrap |
| 03/16/2011 | CN101985692A Method for removing arsenic and recycling tungsten from tungsten smelting wastewater |
| 03/16/2011 | CN101985691A Method for preparing high-purity gold |
| 03/16/2011 | CN101985452A Regeneration technology of tributyl phosphate |
| 03/16/2011 | CN101775496B Metal recycling method with waste cadmium-nickel battery purified fume |
| 03/16/2011 | CN101717861B Process for extracting indium aluminum from high-aluminum high-iron scum containing indium aluminum |
| 03/16/2011 | CN101671777B Multi-metal recovery processing technique of waste liquid generated in germanium producing process |
| 03/16/2011 | CN101660049B Method for leaching cathode material of nickel-hydrogen used battery |
| 03/16/2011 | CN101660046B Reductive desorption method of vanadium-containing resin |
| 03/16/2011 | CN101649396B Methods of removing F and Cl in secondary zinc oxide dust effectively and producing electrolytic zinc |
| 03/16/2011 | CN101624652B Method for leaching mixed cathode and anode materials from waste nickel-cadmium batteries |
| 03/16/2011 | CN101619397B Method for recycling uranium from uranium extraction coal residue with wet method |
| 03/16/2011 | CN101619390B Method for reducing arsenic in amine extracted germanium organic phase |
| 03/16/2011 | CN101586194B Leaching method for anode and cathode mixed materials of waste nickel-hydrogen battery |
| 03/16/2011 | CN101586193B Leaching method for anode material of waste LiNiO2 battery |
| 03/16/2011 | CN101586192B Leaching method for anode and cathode mixed materials of waste LiCoxNiyMnzO2 battery |
| 03/16/2011 | CN101586191B Leaching method for cathode material of waste nickel-hydrogen battery |
| 03/16/2011 | CN101560613B Intensified uranium ore heap leaching method |
| 03/16/2011 | CN101522925B Oxidative and anoxic extraction of metals from sulphide minerals |
| 03/15/2011 | CA2449185C Autoclave control mechanisms for pressure oxidation of molybdenite |
| 03/10/2011 | WO2011027094A1 Nickel recovery from waste material with oxime complexants |
| 03/10/2011 | WO2011026434A1 Titaniumrich hydrochloric acid leaching residue,use thereof and preparation method of titanium dioxide |
| 03/10/2011 | CA2772576A1 Enriched titanium hydrochloric acid extract residue, use thereof and preparation method of titanium pigment |
| 03/09/2011 | EP1651784B1 Method for producing concentrates |
| 03/09/2011 | CN201755454U Industrial sulfuric acid dilution device |
| 03/09/2011 | CN101984097A Method for comprehensive recovery of heavy metal from spent solder stripper |
| 03/09/2011 | CN101984096A Method for extracting noble metal ions by using magnetic medium |
| 03/09/2011 | CN101984095A Method utilizing generation of ferrous sulfate for realizing iron balance in biological metallurgy process |
| 03/09/2011 | CN101984094A Method for controlling oxidation-reduction potential in biological heap leaching process |
| 03/09/2011 | CN101619400B Method for extracting cobalt and nickel from nickel lateritic ore |
| 03/09/2011 | CN101348863B Combined leaching process of copper nickel coarse grain alloy and copper nickel fine grain alloy |
| 03/09/2011 | CA2678276A1 Recovering metal values from a metalliferrous material |
| 03/08/2011 | US7901484 Resin-in-leach process to recover nickel and/or cobalt in ore leaching pulps |
| 03/08/2011 | CA2424714C Method for thiosulfate leaching of precious metal-containing materials |
| 03/03/2011 | WO2011024184A1 Dialkyldiaza-tetraalkyloctane diamide derivatives useful for the separation of trivalent actinides from lanthanides and process for the preparation thereof |
| 03/03/2011 | WO2011024164A1 Process for multi metal separation from raw materials and system for use |
| 03/03/2011 | WO2011022817A1 Production of high purity silicon from amorphous silica |
| 03/03/2011 | WO2008081324A3 Process for reduced alkali consumption in the recovery of silver |
| 03/03/2011 | US20110049062 Process for producing electrolytic manganese dioxide |
| 03/03/2011 | US20110048172 Systems and methods for leaching a material from an object |
| 03/03/2011 | CA2772307A1 Production of high purity silicon from amorphous silica |
| 03/03/2011 | CA2771981A1 Process for multi metal separation from raw materials and system for use |
| 03/02/2011 | EP2288736A1 Method for the recovery of base metals from ores |
| 03/02/2011 | EP2288735A1 Rheological method for the hydrometallurgical recovery of base metals from ores |
| 03/02/2011 | CN101982551A Method for resource recovery of valuable metals on waste plasma display panel (PDP) glass by utilizing microorganisms |
| 03/02/2011 | CN101982550A Method for treating ferrochrome ore powder by microwave |