| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 11/26/2007 | CA2589666A1 Process for the recovery of elemental sulphur from residues produced in hydrometallurgical processes |
| 11/22/2007 | WO2007134344A1 Chloride tank leaching |
| 11/22/2007 | WO2007134343A2 Chloride heap leaching |
| 11/22/2007 | WO2007103083A3 Extraction of lithium from lithium bearing minerals by caustic leaching |
| 11/22/2007 | WO2007100847A3 Method for improving the recovery and purity of cesium-131 from irradiated barium carbonate |
| 11/22/2007 | US20070266827 Thiosulphate Leach Process |
| 11/21/2007 | CN101076611A Successive or simultaneous extracting mineral containing nickel and cobalt |
| 11/21/2007 | CN101074458A Method for recovering noble-metal from waste catalyst |
| 11/20/2007 | US7297315 Recovering copper , manganese; precipitation in acidity solution |
| 11/15/2007 | WO2007130985A1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction |
| 11/15/2007 | US20070264703 Microorganism and Method for Leaching Mineral Sulphides |
| 11/14/2007 | EP1713942B1 Heap bioleaching process |
| 11/14/2007 | EP1549777B1 Method for removal of silver from a copper chloride solution |
| 11/14/2007 | CN101072885A Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 11/14/2007 | CN101070566A Gold-extraction process for tail-one cyanide containing gold wrapped by original sulfides |
| 11/14/2007 | CN101070565A Method for extracting high-valence manganese from manganese carbonate ore |
| 11/14/2007 | CN101070564A Method for recovering valuable metal in electroplated mud |
| 11/14/2007 | CN101070563A Method for treating cobalt-copper alloy by sulfuric acid |
| 11/14/2007 | CN100348751C Treatment method of high alkali concentration sodium tungstate solution |
| 11/14/2007 | CN100348750C Iron slag free wet-method zinc smelting and indium extracting method and method for preparing zinc ferrite |
| 11/14/2007 | CN100348749C Method of recovering platinum and rhenium from waste catalyst |
| 11/14/2007 | CN100348748C Process for comprehensive recovery of rare earth and thorium from rare earth ore |
| 11/14/2007 | CN100348747C Cerium reverse extracting method from cerium-carrying fluoric organic phase and cerium purifying method |
| 11/13/2007 | US7294319 Method for precipitating iron from a zinc sulphate solution as hematite |
| 11/13/2007 | US7294168 Method for purifying the solution in the hydrometallurgical processing of copper |
| 11/08/2007 | WO2007127028A1 Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 11/08/2007 | WO2007125627A1 Method of treating arsenic-containing solution |
| 11/08/2007 | WO2007125147A1 Isoprenaline, noradrenaline and adrenaline composition |
| 11/08/2007 | WO2004046036A3 Method for thiosulfate leaching of precious metal-containing materials |
| 11/08/2007 | US20070256931 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor |
| 11/08/2007 | CA2648869A1 Method of treating arsenic-containing solution |
| 11/07/2007 | EP1851346A1 Process for enhanced acid leaching of laterite ores |
| 11/07/2007 | EP1851172A2 Method and system for recovering metal from metal-containing materials |
| 11/07/2007 | EP1743044B1 Method for recovery of palladium |
| 11/07/2007 | CN101068940A Producing ferronickel or nickel matte through wet metallurgical and fire metallurgical combined method |
| 11/07/2007 | CN101067169A Molybdenum vanadium multimetal metallurgical material resolving method |
| 11/07/2007 | CN101067167A Method for recovering micro-nickel and cobalt from manganese ore |
| 11/07/2007 | CN101067165A Ion exchanging method for extracting gallium from alumina production process |
| 11/07/2007 | CN101067164A Diaspore type bauxite low-temperature dissolving out method |
| 11/07/2007 | CN101067163A Method for processing pyrites mineral |
| 11/07/2007 | CN100347319C Process for mutual separation of platinum group metals |
| 11/07/2007 | CN100347318C Method for separating and recovering cobalt and molybdic from waste cobalt-molybdic catalyst |
| 11/07/2007 | CN100346879C Method for controlling oxygen when separating minerals from a slurry |
| 11/06/2007 | US7291316 Using a mixture of calix[4]arene-bis-(tert-octylbenzo)-crown-6, 4',4',(5')-di-(t-butyldicyclohexano)-18-crown-6, and 1-(2,2,3,3-tetrafluoropropoxy)-3-(4-sec-butylphenoxy)-2-propanol to separate cesium and strontium from an acidic solution; especially for treating spent nuclear fuel waste |
| 11/06/2007 | US7291202 Process for mutual separation of platinum group metals |
| 11/01/2007 | WO2007122720A1 Method of metal recovery |
| 11/01/2007 | US20070253878 Preparation of Zinc Chemicals from the Minor Flow of a Process |
| 10/31/2007 | EP1848834A1 Method for the treatment of copper-bearing materials |
| 10/31/2007 | CN101063184A Process for reclaiming chromium and aluminum by comprehensive treatment of sludge containing chromium-aluminium |
| 10/31/2007 | CN101063091A Middle thermophilic bacteria and chemical and biological combined heap leaching technique for low-grade primary copper ore |
| 10/31/2007 | CN101062473A Preparation method of three-dimensional ordered large-hole manganese oxygen 'lithium ionic sieve' |
| 10/31/2007 | CN100345986C Method for extracting valence metal from copper ferrocobalt alloy |
| 10/31/2007 | CN100345985C Recovery of copper from chalcopyrite |
| 10/30/2007 | CA2377710C An apparatus and process for pre-hydrolysis of biomass |
| 10/25/2007 | WO2001016383A3 Process and solution |
| 10/25/2007 | US20070248514 Solvent Extraction Process for Separating Cobalt and/or Nickel from Impurities in Leach Solutions |
| 10/25/2007 | US20070248512 using combination of polymeric chelant derived from polyamine such as diethylenetriamine and a water soluble or dispersible copolymer of a tannin and a cationic monomer such as methyl chloride or dimethyl sulfate quaternary salt of dimethylaminoethyl acrylate for removing copper from CMP waste water |
| 10/25/2007 | US20070246418 Method and Apparatus for Purification of Slightly Water-Soluble Organic Solution From Aqueous Entrainment |
| 10/25/2007 | US20070245856 Method for Recovering Gold |
| 10/24/2007 | EP1846328A1 Process for the production of magnesium oxide |
| 10/24/2007 | CN200964429Y Liquid feeding device for heap leaching gold extraction adsorption column bottom |
| 10/24/2007 | CN101058853A Method of reclaiming chemical industry products by using industrial slag containing vanadium, chromium, iron and phosphorous |
| 10/24/2007 | CN101058852A Multistage counter current acid leaching process containing nickel serpentine ore |
| 10/24/2007 | CN100344776C Gold purifying resin process |
| 10/24/2007 | CN100344775C Recovering metals from sulfidic materials |
| 10/18/2007 | WO2007118257A2 Metal recovery from a tank bioleaching solution with the use of coated magnetic particles |
| 10/18/2007 | WO2007117169A1 Method for processing oxidised nickel-cobalt ore |
| 10/18/2007 | WO2007115399A1 Precious metal recovery from solution |
| 10/18/2007 | WO2007115377A1 Process for recovery of antimony and metal values from antimony- and metal value-bearing materials |
| 10/18/2007 | WO2007074360A3 Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore |
| 10/18/2007 | WO2006069416A9 Extraction of nickel and cobalt from a resin eluate stream |
| 10/18/2007 | US20070244225 Effecting phase inversion of a water insoluble polymer and the composition is a mixture of at least two different substances, one of which is a water insoluble dispersible polymer having undergone phase inversion while the other is a contaminant; sedimentation; solvent extraction; floatation; leaching |
| 10/18/2007 | CA2648951A1 Process for recovery of antimony and metal values from antimony- and metal value-bearing materials |
| 10/18/2007 | CA2648491A1 Precious metal recovery from solution |
| 10/17/2007 | EP1845169A1 Method for recovering indium |
| 10/17/2007 | CN101054635A Method for extracting vanadium pentoxide from Stone-like coal vanadium ore and special device for the same |
| 10/17/2007 | CN101054634A Stone-like coal salt-free roasting low-alkali leaching solution complementarity oxidation vanadium extracting technique |
| 10/17/2007 | CN101054630A Integrated treatment method for the three wastes generated form method of extracting vanadium pentoxide from stone-like coal navajoite |
| 10/17/2007 | CN101054628A Technique for extracting titanium slag form red mud |
| 10/17/2007 | CN101054626A Stripping method for diasporite type bauxite |
| 10/17/2007 | CN101054625A Method forpreparing iron concentrate for making iron from phosphorus-containing oolitic hematite |
| 10/17/2007 | CN101054624A Device for leaching gold mine by electrochemistry oxidation method |
| 10/17/2007 | CN101054623A Method for leaching gold mine by electrochemistry oxidation method |
| 10/17/2007 | CN100343400C Detinning method of tungstate solution |
| 10/17/2007 | CN100343399C Process for extracting lithium from salt lake brine by manganese dioxide |
| 10/16/2007 | US7282187 Separating and removing fluorine values from the starting material;leaching to solubilize metal values contained in the remaining material and generate an aqueous solution comprising solubilized metal values; extracting a solubilized metal value from aqueous solution |
| 10/16/2007 | US7282152 Selenium removal method |
| 10/16/2007 | US7282080 Process for extracting platinum group metals |
| 10/11/2007 | WO2007112562A1 Nickel sulphide precipitation processes |
| 10/11/2007 | CA2647965A1 Nickel sulphide precipitation processes |
| 10/10/2007 | EP1841891A1 Extraction of nickel and cobalt from a resin eluate stream |
| 10/10/2007 | CN101050489A Method for extracting rhenium from eluate of flue ash generated by baking enriched ore of molybdenum |
| 10/10/2007 | CN101050488A Technique for extracting and separating rare earth elements from non-saponification system |
| 10/10/2007 | CN101050487A Method for eliminating impurities of lead, zinc from nickel solution |
| 10/10/2007 | CN101050486A Method for classifying wulfenite |
| 10/10/2007 | CN100342042C Acid balance method in biometallugical process |
| 10/09/2007 | US7279024 High purity cobalt, method of manufacturing thereof, and high purity cobalt targets |
| 10/04/2007 | WO2007109841A1 Improved processing of metal values from concentrates |
| 10/04/2007 | US20070232826 Particular Calixarenes Method for Production and Use Thereof |
| 10/04/2007 | US20070227948 Selective sulfur removal from hydrocarbon streams by adsorption |