| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 04/20/2011 | EP1951920B1 The combined leaching process |
| 04/20/2011 | CN102027144A System for decreasing amount of organic solution in the liquid-liquid extraction process |
| 04/20/2011 | CN102021351A Integrated approach to enriching nickel from nickel oxide laterite ore |
| 04/20/2011 | CN102021346A Method for recovering soluble manganese in electrolytic manganese waste residue |
| 04/20/2011 | CN102021345A Method for recycling vanadium pentoxide and sodium dichromate |
| 04/20/2011 | CN102021340A Deep impurity removal technology for coarse gold powder |
| 04/20/2011 | CN102021339A Method for eliminating cobalt redissolution in haydrometallurgy of zinc |
| 04/20/2011 | CN102021338A Method for separating and enriching tellurium and nickel from electrolyte waste acid |
| 04/20/2011 | CN102021337A Innovative new technology of preparing gallium using ion exchange method |
| 04/20/2011 | CN102021336A Method for separating zinc, fluorine and chlorine from fluorine- and chlorine-containing zinc sulfate solution |
| 04/20/2011 | CN102021335A Method for separating zirconium from hafnium by using elution extraction method |
| 04/20/2011 | CN102021334A Method for extracting gallium and vanadium from seed precipitation mother liquor of Bayer process |
| 04/20/2011 | CN102021333A Method to purify precious metals from gold ore using functional mesoporous molecular sieve |
| 04/20/2011 | CN102021332A Technology for recycling Ni, Co, Fe, and Mg from nickel oxide mineral |
| 04/20/2011 | CN102021331A Processing method for comprehensively recovering high manganese asbolite |
| 04/20/2011 | CN102021330A Leaching method capable of reducing leached acid consumption of uranium ores |
| 04/20/2011 | CN102021329A Method for extracting tungsten from scheelite and producing high-quality calcined gypsum |
| 04/20/2011 | CN102021328A Method for extracting tungsten from scheelite |
| 04/20/2011 | CN102021327A Method for decomposing scheelite by using phosphoric acid |
| 04/20/2011 | CN102021326A Method for leaching copper-cobalt alloy |
| 04/20/2011 | CN102021325A Method for respectively leaching copper and cobalt from copper and cobalt concentrate |
| 04/20/2011 | CN102020252A Biological leaching method of low-grade tellurium mine |
| 04/20/2011 | CN102019173A Indium adsorbent, indium adsorbent producing method, and indium adsorption method |
| 04/20/2011 | CN101775507B Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite |
| 04/20/2011 | CN101760622B Method for extracting intermetallic compound Mg2Si crystals from high-silicon magnesium alloy |
| 04/20/2011 | CN101643859B Process method for separating and purifying cobalt solution by extraction chromatography |
| 04/20/2011 | CN101613804B Method for recovering cadmium from waste nickel-cadmium battery |
| 04/20/2011 | CN101603123B Method for solid-phase extraction of gold from alkaline cyanide solution through macroporous adsorption resin |
| 04/20/2011 | CN101457294B Method for eliminating interface emulsification during copper biochemical lixivium extraction process |
| 04/20/2011 | CN101451200B Rare-earth enrichment recovery method from phosphorite |
| 04/20/2011 | CN101432454B Processing of waste or cyclone solids from the chlorination of titanium bearing ores |
| 04/20/2011 | CN101397604B Dense alkali liquid leaching pre-desiliconisation method for bauxite |
| 04/19/2011 | CA2424372C Precious metal scavenging from a liquid medium with a functionalised polymer fiber |
| 04/19/2011 | CA2314697C Separation of platinum group metals |
| 04/14/2011 | WO2011041873A1 Flash tube and flash vessel configuration for pressure letdown |
| 04/14/2011 | US20110083531 Selective gold extraction from copper anode slime with an alcohol |
| 04/14/2011 | CA2775897A1 Flash tube and flash vessel configuration for pressure letdown |
| 04/13/2011 | EP2307583A1 A process for heap leaching of nickeliferous oxidic ores |
| 04/13/2011 | EP2307582A1 Process for controlled homogeneous acid leaching |
| 04/13/2011 | CN201793760U Fluid preparation device for producing electrolytic manganese metal by adopting two-ores method |
| 04/13/2011 | CN201793685U Manufacturing system for producing electrolytic manganese metal by two-ore method |
| 04/13/2011 | CN201793684U Adjusting tank |
| 04/13/2011 | CN201793683U Extraction equipment |
| 04/13/2011 | CN201793682U Extraction box body |
| 04/13/2011 | CN201793681U Pickling dust remover |
| 04/13/2011 | CN201793680U Device for changing extraction liquid feeding mode |
| 04/13/2011 | CN102016086A Leaching process |
| 04/13/2011 | CN102015107A Picolylaminharze |
| 04/13/2011 | CN102011019A Method for removing heavy-metal impurities in process of producing gallium by resin adsorption method |
| 04/13/2011 | CN102011017A Method for extracting tungsten by decomposing tungsten minerals |
| 04/13/2011 | CN102011013A Secondary oxidation pretreatment process for arsenic, sulphur and carbon-containing difficultly treated gold concentrate |
| 04/13/2011 | CN102011010A Method for totally extracting vanadium, gallium and scandium by using titanium dioxide hydrolysis waste acid to leach steel slag containing vanadium |
| 04/13/2011 | CN102011009A Method for removing zinc from zinc hydrometallurgy acidic leaching residue flotation silver concentrate |
| 04/13/2011 | CN102011008A Method for preparing high-purity copper oxide superfine powder from waste printed circuit boards |
| 04/13/2011 | CN102011005A Method for synthesizing metal products by using metal-bearing article |
| 04/13/2011 | CN102011002A Arsenic salt purifying and cadmium-removing method and device for preventing cadmium redissolution in zinc hydrometallurgy process |
| 04/13/2011 | CN102011001A Feeding device and method for cadmium-removing boiling purification tank system |
| 04/13/2011 | CN102011000A Method for removing vanadium from gallium-enriched solution in resin-absorbed seed precipitation mother liquor |
| 04/13/2011 | CN102010999A Method for separating impurities from cobalt and/or nickel solution by non-saponifiable extraction |
| 04/13/2011 | CN102010998A Method for absorbing gallium from seed-division mother solution with resin absorption method |
| 04/13/2011 | CN102010997A Method for removing organic matters in zinc sulfate solution in zinc hydrometallurgy |
| 04/13/2011 | CN102010996A Method for treating nickel sulfide ore biological heap leaching solution |
| 04/13/2011 | CN102010995A Method for increasing copper recovery rate in zinc hydrometallurgy process |
| 04/13/2011 | CN102010994A Iron depositing method of high acid and high iron solution goethite during zinc hydrometallurgy |
| 04/13/2011 | CN102010993A Process for extracting nickel and cobalt from laterite by ore pulp extraction technology |
| 04/13/2011 | CN102010992A Method for removing fluorine from lithium mica raw material |
| 04/13/2011 | CN102010991A Method for extracting lithium salt and removing potassium from lithium mica raw material |
| 04/13/2011 | CN102010990A Method for leaching nickel molybdenum associated ore |
| 04/13/2011 | CN102010989A Purification device of zinc sulfate solution |
| 04/13/2011 | CN102010988A Chute used for separating sulphur scum from metallurgy ore pulp |
| 04/13/2011 | CN102010984A Method for extracting vanadium in coal gangue |
| 04/13/2011 | CN102008977A Application of anthraquinone-2-sodium sulfonate in cyaniding and leaching high-grade gold in oxidized ore |
| 04/13/2011 | CN101698495B Method for separating and purifying lanthanum oxide with strong acidic cation-exchange fiber column |
| 04/13/2011 | CN101660045B Method for leaching and recovering molybdenum from ammonia leaching residue |
| 04/13/2011 | CN101643846B Complex copper sulphide ore thermal activating-pressure leaching technology |
| 04/13/2011 | CN101255499B Method for solid-phase gold extraction from alkaline cyanide solution |
| 04/13/2011 | CN101250622B Complete wet way comprehensive processing method for serpentine mine |
| 04/12/2011 | US7922788 Process for recovering gold and silver from refractory ores |
| 04/07/2011 | WO2011038746A1 Acidic dezincification |
| 04/07/2011 | US20110081283 Pyrometallurgical process for treating molybdenite containing lead sulfide |
| 04/06/2011 | EP2305841A1 Method for separating and recovering nickel and lithium |
| 04/06/2011 | EP2304064A2 Method for processing and recycling zinc-rich iron metallurgy side products |
| 04/06/2011 | EP2304063A1 Process for forming high density sulfides |
| 04/06/2011 | EP2013370B1 Process for recovery of copper from copper-bearing material using pressure leaching, direct electrowinning and solvent/solution extraction |
| 04/06/2011 | EP1119014B1 Glass substrate processing method and glass substrate recycling processing method for a flat display |
| 04/06/2011 | CN201785460U Gas distributor for rotary-drum bioleaching reactor |
| 04/06/2011 | CN201785459U Capped-sealing heat-insulating agitation leach equipment |
| 04/06/2011 | CN102002600A Environmentally-friendly chlorine water gold-extracting process |
| 04/06/2011 | CN102002597A Method for comprehensively recovering valuable metals from low-grade tellurium slag |
| 04/06/2011 | CN102002595A Recovery method of lithium in waste battery |
| 04/06/2011 | CN102002594A Method for recycling tin |
| 04/06/2011 | CN102002590A Application of cyclophane amide compound containing three central hydrogen bonds as extracting agent in separation of rare-earth elements |
| 04/06/2011 | CN102002589A Method for three-phase extraction one-step separation of platinum, palladium and rhodium from leaching solution of precious metal catalyst |
| 04/06/2011 | CN102002588A Bioleaching method-uranium leaching from fungus |
| 04/06/2011 | CN102002587A Refractory gold concentrate biological oxidizing slag cyaniding and gold-extracting method |
| 04/06/2011 | CN102002586A Nickel-containing high-cobalt sulfide leaching technology |
| 04/06/2011 | CN102002585A Method for producing vanadium iron with stone-like coal pickle liquor |
| 04/06/2011 | CN102002584A Method of recovering manganese, lead and silver from zinc electrolyzed anode mud by utilizing acid-making tail gas |
| 04/06/2011 | CN101724758B Method for recycling molybdenum of molybdenum-contained waste catalyst |
| 04/06/2011 | CN101705371B Method for extracting cobalt in copper cobalt sulfide ore |