| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 08/02/2012 | WO2012078020A3 Method for leaching copper and silver contained in refractory mineral phase ores containing iron and sulphur |
| 08/02/2012 | US20120193843 Thin stave cooler and support frame system |
| 08/02/2012 | CA2825583A1 Improved method of ore processing |
| 08/01/2012 | EP2035591B1 Improved leaching method |
| 08/01/2012 | CN202359179U Horizontal pressurizing and leaching reactor |
| 08/01/2012 | CN102618736A Extraction seperation method of rare-earth element |
| 08/01/2012 | CN102618728A Method for producing manganese sulfate by leaching manganese alloy slag under normal pressure |
| 08/01/2012 | CN102618726A Treatment method for detoxifying and recycling chromium slag |
| 08/01/2012 | CN102618721A Method for extracting germanium, indium and zinc from high iron, silicon and manganese materials containing germanium, indium and zinc |
| 08/01/2012 | CN102618720A Method for backwash leaching and washing mineral leached materials |
| 08/01/2012 | CN102618719A Method for directly leaching zinc and recovering gallium, germanium and indium from zinc sulfide concentrate |
| 08/01/2012 | CN102618472A Method for breeding and separating high arsenic oxidizing bacteria |
| 08/01/2012 | CN102614837A Method for adsorbing and recovering precious metal gold by persimmon tannin-containing metal adsorbent |
| 08/01/2012 | CN102614834A Method for adsorbing and recovering heavy metals of lead and copper by persimmon tannin-containing metal adsorbent |
| 08/01/2012 | CN102614825A Pure titanium jet kettle |
| 08/01/2012 | CN102094129B Method for enriching rhenium |
| 07/26/2012 | WO2012098783A1 Method for leaching copper from copper sulfide ore |
| 07/26/2012 | WO2012098459A1 Modified poly (styrene-co-maleic anhydride) and uses thereof |
| 07/26/2012 | US20120189512 Method for continuous magnetic ore separation and/or dressing and related system |
| 07/26/2012 | US20120186397 Reclaiming of lead in form of high purity lead compound from recovered electrode paste slime of dismissed lead batteries and/or of lead minerals |
| 07/25/2012 | EP1971697B1 Hematite precipitation |
| 07/25/2012 | CN202347067U Pure water supply tank for rare-earth separation |
| 07/25/2012 | CN202347066U Organic phase extraction linking device for rare earth |
| 07/25/2012 | CN1713943B Production of pure molybdenum oxide from low grade molybdenite concentrates |
| 07/25/2012 | CN102605199A Method for recovering scandium from zirconium oxychloride acid pickle, and extracting agent for method |
| 07/25/2012 | CN102605198A Decomposition method of bastnaesite |
| 07/25/2012 | CN102605188A Method for producing manganese sulfate by manganese alloy slag through pressure leaching |
| 07/25/2012 | CN102605187A Method for producing manganese sulfate by manganese-rich slag through pressure leaching |
| 07/25/2012 | CN102605186A Method for producing manganese sulfate from manganese-rich slag through atmospheric pressure leaching |
| 07/25/2012 | CN102605185A Comprehensive iron-aluminium paragenetic mineral utilization method |
| 07/25/2012 | CN102605181A Method for removing impurities from secondary zinc materials |
| 07/25/2012 | CN102605180A Method for treating zinc sulfide concentrate powder |
| 07/25/2012 | CN102605179A Acid leaching equipment for vanadium-containing shales |
| 07/25/2012 | CN102605168A Method for extracting limonite and ferric oxide titanium dioxide |
| 07/25/2012 | CN102600984A Processing method of copper oxide ore containing calcium magnesium gangue |
| 07/25/2012 | CN102173491B Process for comprehensively utilizing rare-earth ore leaching waste liquid and calcining waste heat in rare earth production |
| 07/25/2012 | CN102154566B Method for preparing high-manganese-content manganese-aluminum masteralloy by taking pyrolusite as raw material |
| 07/25/2012 | CN102134651B Heap leaching drainage system for large-scale production of low-grade gold oxide ores |
| 07/25/2012 | CN102031383B Wet process for lead-silver residues |
| 07/25/2012 | CN102021327B Method for decomposing scheelite by using phosphoric acid |
| 07/25/2012 | CN101985691B Method for preparing high-purity gold |
| 07/25/2012 | CN101935754B Method for treating lead-containing high electrum concentrate |
| 07/25/2012 | CN101921914B Iron removal process for copper cobalt ore leach liquor |
| 07/25/2012 | CN101768669B Method for processing cobalt-copper alloy at room temperature |
| 07/25/2012 | CN101736151B Method for removing iron by oxidation and neutralization in cobalt wet smelting process |
| 07/25/2012 | CN101633984B Production process of high-purity gadolinium oxide by acidic phosphorus type extracting agent |
| 07/25/2012 | CN101586186B Method for leaching chalcopyrite and corresponding leaching agent |
| 07/25/2012 | CN101555556B Method for comprehensively utilizing laterite-type nickel ore |
| 07/25/2012 | CN101215633B Integrated utilization technique for multi-metal ore containing gold and silver by chlorine carrier chlorination method |
| 07/25/2012 | CA2729239A1 Electro-extraction of desirable metals from hydroxy acids, by microwaves and electrolysis |
| 07/19/2012 | US20120183433 Co-current and counter current resin-in-leach in gold leaching processes |
| 07/18/2012 | EP2475793A1 Recovering metal values from a metalliferrous material using neutralization agent comprising dissolved aluminium complex in solution |
| 07/18/2012 | EP2475792A1 Treatment of minerals |
| 07/18/2012 | CN102597280A Method of molybdenum refining |
| 07/18/2012 | CN102597278A Selective leach recovery of minerals from composite ores |
| 07/18/2012 | CN102597277A Ionic liquid solvents of perhalide type for metals and metal compounds |
| 07/18/2012 | CN102586632A Method for comprehensively recovering tungsten and fluorine from minerals |
| 07/18/2012 | CN102586627A Method for recovering bismuth from bismuth slag |
| 07/18/2012 | CN102586624A Consecutive or simultaneous leaching of nickel and cobalt containing ores |
| 07/18/2012 | CN102586613A Method for recycling vanadium from vanadium-containing steel slag |
| 07/18/2012 | CN102586608A Method for preparing sponge indium with indium-rich slag produced in lead-zinc smelting process |
| 07/18/2012 | CN102586606A Method for recovering rare earth, vanadium and nickel from waste FCC/ROC catalytic agent containing vanadium and nickel |
| 07/18/2012 | CN102586604A Technology for wet-processing anode mud containing arsenic and lead |
| 07/18/2012 | CN102586601A Method for removing iron by utilizing autoclave during zinc hydrometallurgy production |
| 07/18/2012 | CN102586600A Process for recycling valuable metal from lead copper matte |
| 07/18/2012 | CN102586599A Method for recovering valued metals from zinc anode sludge |
| 07/18/2012 | CN102586598A Method for decomposing tantalum-niobium compound |
| 07/18/2012 | CN102586597A Pressure leaching method of zinc sulfide concentrate |
| 07/18/2012 | CN102586596A Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate |
| 07/18/2012 | CN102586595A Acid leaching method of vanadium-containing shale |
| 07/18/2012 | CN102586587A Novel method for treating lepidolite ore |
| 07/18/2012 | CN102586584A Method for selectively separating valuable metals from complex lead-containing precious metal material |
| 07/18/2012 | CN102583402A Method for simultaneously extracting vanadium and silicon from stone coal |
| 07/18/2012 | CN102580616A Horizontal pressurized reaction vessel |
| 07/18/2012 | CN102286759B Method for preparing electrodeposited zinc from high-fluorine high-chlorine secondary zinc oxide powder |
| 07/18/2012 | CN102140580B Multi-metal recycling method of electric furnace tin-smelting dust |
| 07/18/2012 | CN101974686B Back extraction solution prepared by extraction separation of washing organic matter of saponification wastewater by recycling rare earth and solution washing method |
| 07/18/2012 | CN101886175B Method for producing diuranate by extracting uranium from rare earth slag containing uranium |
| 07/18/2012 | CN101818249B Method for improving iron and reducing phosphorus of high phosphorus oolitic iron ore by magnetic roasting and two-step bioleaching |
| 07/18/2012 | CN101748084B Normal temperature acidophilic leaching-ore bacteria and two-step leaching method for leaching metals in waste circuit board |
| 07/18/2012 | CN101565780B Smelting method of polymetallic lead-zinc sulfide ore |
| 07/17/2012 | CA2518250C Method for removing thallium from a zinc-containing solution |
| 07/17/2012 | CA2480279C Method for the purification of copper chloride solution |
| 07/12/2012 | WO2012093170A1 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 |
| 07/12/2012 | US20120177551 Selective leach recovery of minerals from composite ores |
| 07/12/2012 | CA2823620A1 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 |
| 07/11/2012 | EP2474633A1 Titaniumrich hydrochloric acid leaching residue use thereof and preparation method of titanium dioxide |
| 07/11/2012 | CN202322954U 稀土料液除油装置 RE feed liquid degreasing equipment |
| 07/11/2012 | CN202322953U 大型氧压浸出高压釜氧气流量检测装置 Large oxygen pressure leaching autoclave oxygen flow detection device |
| 07/11/2012 | CN202322952U 一种矿浆萃取给料装置 One kind of pulp extraction feeding device |
| 07/11/2012 | CN202315408U 一种萃取澄清器 An extract clarifier |
| 07/11/2012 | CN202315401U 一种用于稀土生产的搅拌桨 A method for the production of rare earth stirring blade |
| 07/11/2012 | CN102575315A Process for multi metal separation from raw materials and system for use |
| 07/11/2012 | CN102574099A Palladium ion adsorbent and method for separating and recovering palladium using same |
| 07/11/2012 | CN102560535A Method for recovering lead in waste lead-acid storage battery filler by using wet process |
| 07/11/2012 | CN102560159A Method for extracting rare earth from kaolin product containing ion-type rare earth |
| 07/11/2012 | CN102560158A Transformation method for mixed rare earth concentrate and concentrated sulfuric acid low-temperature roasted ore |
| 07/11/2012 | CN102560157A Method for reclaiming zinc and indium from high-iron low-zinc multi-metal tailings |
| 07/11/2012 | CN102560156A Method for recycling manganese from P204 manganese back extraction solution in nickel laterite hydrometallurgical process |
| 07/11/2012 | CN102560147A Method for recovering zinc from indium raffinate and zinc scum |