| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 05/02/2007 | CN2895843Y Connection structure of composite board internal bearing-load structural member and pressure pot |
| 05/02/2007 | CN2895435Y Oxygen pressure leaching-out pressurizing kettle |
| 05/02/2007 | CN1955279A Sulfur-oxidizing bacteria and their use in bioleaching processes for sulfured copper minerals |
| 05/01/2007 | US7211230 Process for producing nanometer grade powders |
| 05/01/2007 | CA2221703C Process for recovery of metal ions |
| 04/26/2007 | WO2007045154A1 Alumina digesting apparatus |
| 04/26/2007 | WO2007045034A1 Process for recovery of metal values from materials containing arsenic and/or antimony |
| 04/26/2007 | US20070092425 Process for purifying inorganic materials |
| 04/26/2007 | US20070090049 Solvent extraction process |
| 04/26/2007 | US20070089566 Method for thiosulfate leaching of precious metal-containing materials |
| 04/25/2007 | EP1777304A1 Method of recovering nickel or cobalt |
| 04/25/2007 | CN1952192A Process for extracting vanadium from peroxide sintered ore and furnace slag |
| 04/25/2007 | CN1952187A Process for extracting tungsten metal and other rare metal from waste and old hard alloy |
| 04/25/2007 | CN1952186A Processing of boron rock by alkaline hydrolysis |
| 04/24/2007 | CA2442115C Method of adsorbing metals and organic compounds from vaporous streams |
| 04/19/2007 | WO2007043657A1 Method of decomposing organic material in the presence of heavy metal |
| 04/19/2007 | WO2007042611A1 A method for precipitating metal oxides from an aqueous waste solution |
| 04/19/2007 | WO2007042604A1 A method for leaching metal sulphide minerals |
| 04/18/2007 | EP1773720A2 Method for separating and purifying hafnium and zirconium |
| 04/18/2007 | EP1633896A4 Process for purifying inorganic materials |
| 04/18/2007 | CN1950524A Method for recovering gold |
| 04/18/2007 | CN1948527A Method of extracting radioactive uranium in fly ash |
| 04/18/2007 | CN1948526A Method of extracting radioactive uranium in phosphate |
| 04/18/2007 | CN1948524A Comprehensive resources treatment method of waste circuit board |
| 04/18/2007 | CN1948523A Method of treating sulfide ore spontaneous combustion using bacteria leaching out method |
| 04/18/2007 | CN1948522A Metho of recovering valuable metal in gold silver smelting furance waste lining brick |
| 04/18/2007 | CN1948521A Technology of recovering iron resource from pyrite sintering slag |
| 04/18/2007 | CN1311089C Method of bulk infusion extracting nickel cobalt from low grade red soil nickel ore |
| 04/17/2007 | CA2278043C Method for initiating heap bioleaching of sulfidic ores |
| 04/12/2007 | WO2007040817A1 Phenoxypyrazole composition and process for the solvent extraction of metals |
| 04/11/2007 | EP1772212A1 Copper-containing tin powder and method for producing the copper-containing tin powder, and electroconductive paste using the copper-containing tin powder |
| 04/11/2007 | CN2887887Y Inflatable dispenser |
| 04/11/2007 | CN2887402Y Three-phase separator for printed plate board hypercritical separation |
| 04/11/2007 | CN1944694A Gold smelting boiling roasting furnace slurry type feeding producing process and its producing device |
| 04/11/2007 | CN1309849C Method of dearsenic by parallel circulating continuous electric formation |
| 04/11/2007 | CN1309848C Pellelizing technology suitable for biological dump leaching and extracting metal |
| 04/05/2007 | WO2007035978A1 Process for leaching lateritic ore at atmospheric pressure |
| 04/05/2007 | DE10310699B4 Verfahren zur Feinstraffination von Gold Method for Feinstraffination of gold |
| 04/04/2007 | EP1769095A1 Recovery of nickel |
| 04/04/2007 | EP1769094A2 Scavenger supports with amino-functionalised pendant ketoester or ketoamide groups for removing metals from solutions |
| 04/04/2007 | EP1769093A1 Optimization of bioleaching process |
| 04/04/2007 | EP1769092A1 Improved leaching of base metals |
| 04/04/2007 | EP1768928A1 Process for complete utilisation of olivine constituents |
| 04/04/2007 | EP1289628B1 Acid stable membranes for nanofiltration |
| 04/04/2007 | CN1940100A Neutralization method of rh hydrochloric acid solution |
| 04/04/2007 | CN1940098A Gray manganese ore leaching out process |
| 04/04/2007 | CN1940097A Extraction of chromium from mud containing chromium by sodium-salt calcination |
| 04/04/2007 | CN1940096A Extraction of vanadium and molybdenum compound from refused materials containing vanadium and molybdenum etc. multiple elements |
| 04/04/2007 | CN1308471C Method for obtaining cobalt and nickel from ores and ore concentrates |
| 04/04/2007 | CN1308468C Method of and apparatus for simulating a biological heap leaching process |
| 04/04/2007 | CN1308467C Sulfur addition acid balance method in biometallugical process |
| 04/04/2007 | CN1308466C Production method of zinc indium by pressurized acid leaching neutralization precipitation separation indium from indium containing high iron zinc sulfide concentrate |
| 04/03/2007 | CA2137128C Method for extracting metals from large solution flows and apparatus for realizing the same |
| 03/30/2007 | CA2521817A1 Process for leaching lateric ore at atmospheric pressure |
| 03/29/2007 | WO2007034413A2 Process for the indirect bioleaching of zinc sulphide |
| 03/29/2007 | DE112004002509T5 Verfahren zur Hydrometallurgischen Behandlung von Stahlwerk-Lichtbogen-Elektroofen(EAF)-Staub und die bei diesem Verfahren erhaltenen Pigmente Method for hydro metallurgical treatment of steel mill electric arc furnace (EAF) dust and the pigments obtained by this process |
| 03/29/2007 | CA2663356A1 Process for the indirect bioleaching of zinc sulphide |
| 03/28/2007 | CN1938437A Heap bioleaching process |
| 03/28/2007 | CN1938436A Recovery of metals from oxidised metalliferous materials |
| 03/28/2007 | CN1936037A Method for oxidizing-converting-leaching vanadium from converter steelmaking extracted vanadium slag under pressure field |
| 03/28/2007 | CN1936036A Process for removing chloride fromiznc electrolytic solution by using silver hydroxide |
| 03/28/2007 | CN1936035A P204 deferrizing regeneration method |
| 03/28/2007 | CN1936034A Method for preparing embedding ion liquid and neutral phosphor (phosphine) extractant composite material and its use |
| 03/28/2007 | CN1936033A Bauxite stripping process by Bayer process |
| 03/27/2007 | CA2269902C Leached nanocrystalline materials, method for making them and uses in the energetic sector |
| 03/22/2007 | WO2007032228A1 Methods for recovery of molybdenum and process for preparation of catalysts |
| 03/22/2007 | US20070062335 Method for processing anode sludge |
| 03/21/2007 | EP1763387A1 Method and apparatus for purification of slightly water-soluble organic solution from aqueous entrainment |
| 03/21/2007 | EP1370700A4 Metal ion extraction materials and processes using same |
| 03/21/2007 | EP1366202B1 A method for the bacterially assisted heap leaching of chalcopyrite |
| 03/21/2007 | CN1932052A Integral gold refining kiln oxidizing roasting process for refractory gold ore |
| 03/21/2007 | CN1932051A Wet gold purifying process |
| 03/21/2007 | CN1932050A Copper recovering treatment process |
| 03/21/2007 | CN1306048C A process for the recovery of adsorbed palladium from spent silica |
| 03/21/2007 | CN1305617C Production method of dentritic morphology nickel powder |
| 03/21/2007 | CN1305545C Method and equipment for compressing a dispersion in liquid-liquid extraction |
| 03/20/2007 | US7192564 Cooling melt to harden; extraction, separation |
| 03/20/2007 | US7192563 Two-cycle selective countercurrent extraction using bis(2-ethylhexyl) phosphate and tri-n-butyl phosphate with refined kerosene as synergistic extractant system on H2O2 treated H3PO4, and stripping the loaded extract with strong H3PO4 containing metallic iron to lower redox potential |
| 03/15/2007 | US20070056909 Method and apparatus for desorbing material |
| 03/15/2007 | US20070056770 Hydrothermal Mineral Extraction |
| 03/15/2007 | DE102005043542A1 Stabile wässrige Graphitdispersion mit hohem Feststoffgehalt A stable aqueous dispersion of graphite with high solids content |
| 03/14/2007 | EP1740731A4 Iron oxide precipitation from acidic iron salt solutions |
| 03/14/2007 | CN1930313A Aluminium production process |
| 03/14/2007 | CN1928133A Method for recovering silver from low silver contained industrial waste water |
| 03/14/2007 | CN1928132A Method for extracting after-purified inorganic solution for removing micro-content organism |
| 03/14/2007 | CN1928131A Method for separating rare-earth element and fluorapatite, calcium chloraphosphate and calcium phosphate |
| 03/14/2007 | CN1304612C Process for extracting platinum metals from ore containing platinum metal |
| 03/14/2007 | CN1304611C Method for removal of silver from a copper chloride solution |
| 03/14/2007 | CN1304610C 7815 extracting agent as germanium extracting additive and extracting method using said additive |
| 03/14/2007 | CN1304609C Enhanced acid dissolve of acidizing fired slags of concentrated gold ores containing sulfur |
| 03/14/2007 | CN1304608C Refuse-dump pipe injection leaching-out method |
| 03/14/2007 | CN1304607C Shielding iron removing method in high purity aluminium oxide preparation process |
| 03/14/2007 | CN1304606C Method for extracting gold |
| 03/13/2007 | US7189527 via leaching with culture of sulfobacillus and thermoplasma strains |
| 03/13/2007 | US7189380 Purification of platinum group anions; using reagents having precisely spaced nitrogen complexing groups |
| 03/13/2007 | CA2383818C Recovery of nickel and copper from sulphide concentrates by bioleaching |
| 03/13/2007 | CA2349940C Method for treating precious metal bearing minerals |
| 03/08/2007 | WO2006136948A3 Chemical beneficiation of raw material, containing tantalum-niobium |
| 03/07/2007 | EP1760821A1 Method of disposing of lithium battery |
| 03/07/2007 | EP1758815A1 Compositions and methods for generating hydrogen from water |