| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 07/11/2012 | CN102560141A Full-wet method for producing high-grade silver product |
| 07/11/2012 | CN102560139A Quinolinazo reagent and application thereof in palladium solid phase extraction |
| 07/11/2012 | CN102560138A Pretreatment method of refractory gold ore |
| 07/11/2012 | CN102560137A Refining process of alloyed gold |
| 07/11/2012 | CN102560129A Method for recovering precious metal from waste aluminum-based catalyst and preparing high-purity alumina |
| 07/11/2012 | CN102560126A Method for extracting gold and/or silver from sulfuric acid slag |
| 07/11/2012 | CN102560123A Method for utilization and harmless treatment of multi-metal material containing arsenic and indium |
| 07/11/2012 | CN102560122A Method for recovering lead |
| 07/11/2012 | CN102560121A Method for preparing gallium-rich solution with aluminum oxide red mud |
| 07/11/2012 | CN102560118A Method for recycling tin and lead from waste circuit board leach liquor |
| 07/11/2012 | CN102560116A Method of extracting manganese, vanadium from titanium white waste acid, manganese residual and steel slag containing vanadium |
| 07/11/2012 | CN102560115A Method for extracting vanadium from stone coal vanadium mine extraction |
| 07/11/2012 | CN102560114A Method for bioleaching valent metal ions in waste battery |
| 07/11/2012 | CN102560113A Method for reducing manganese by microorganisms |
| 07/11/2012 | CN102560112A Purifying and iron removing process for biological lixivium of low-grade multi-metal sulphide ore |
| 07/11/2012 | CN102560111A Biological sectional dump leaching process for low-grade multi-metal sulfide ore |
| 07/11/2012 | CN102560110A Biological pre-oxidation treatment process of low-grade refractory gold ores or ore concentrate |
| 07/11/2012 | CN102560109A Method for extracting copper, nickel and cobalt intermediate products from copper and cobalt ore at low cost |
| 07/11/2012 | CN102560108A Method for leaching lead sulfide concentrate by using hydrochloric acid-oxygen-magnesium chloride system |
| 07/11/2012 | CN102560107A Reduction leaching method for manganese oxide |
| 07/11/2012 | CN102560106A Method for pre-removal of magnesium from magnesium-enriched low grade pyrolusite |
| 07/11/2012 | CN102560105A Elution leaching method for recovering vanadium from stone coal vanadium ore |
| 07/11/2012 | CN102560104A Method for increasing leaching rate of vanadium from stone coal vanadium ores |
| 07/11/2012 | CN102560103A Method for purification production of molybdenum disulfide from molybdenum concentrate |
| 07/11/2012 | CN102560102A Method for leaching nickel and molybdenum from nickel-molybdenum ores by catalytic oxidation |
| 07/11/2012 | CN102560101A Process method for improving manganese extracted in manganese ore |
| 07/11/2012 | CN102560100A Process for preparing high-purity superfine cobalt powder from copper-cobalt-iron alloy |
| 07/11/2012 | CN102560099A Tandem column soak test device |
| 07/11/2012 | CN102560098A Purpose of by-product ammonium thiosulfate generated in steel-making waste water treatment process as complexing agent for leaching silver and its application method |
| 07/11/2012 | CN102560097A Method and device for improving leaching efficiency of aluminum ores by acid treatment |
| 07/11/2012 | CN102560096A Vanadium extraction process utilizing tank-type circular heap leaching method |
| 07/11/2012 | CN102560087A Method for extracting indium and zinc from high-iron indium-containing zinc calcine and preparing iron oxide |
| 07/11/2012 | CN102560086A Method for extracting vanadium from vanadium slag clinker leached by ammonium carbonate |
| 07/11/2012 | CN102557297A Treatment method of waste liquid after cleaning copper plated layer of printed circuit board |
| 07/11/2012 | CN102557127A Method for reducing leaching titanium solution by utilizing trivalent titanium |
| 07/11/2012 | CN102094127B Method for recovering nickel and magnesium elements from high-magnesium low-grade nickel sulfide ore |
| 07/11/2012 | CN101994004B Process for extracting and separating rare-earth elements |
| 07/10/2012 | CA2554721C Heap bioleaching process |
| 07/10/2012 | CA2511533C Separating vessel |
| 07/10/2012 | CA2471838C Metal binding proteins and associated methods |
| 07/05/2012 | WO2012092234A1 Methods for the concentration of vanadium from carbonaceous feedstock materials |
| 07/05/2012 | WO2012091125A1 Method for collecting precious metals from solution containing precious metal ions, extractant or adsorbent used therefor, and back extractant or desorbent |
| 07/05/2012 | WO2012040868A3 System for the inductive heating of solutions for bioleaching and electrowinning plants at high altitude |
| 07/05/2012 | US20120167714 Systems and Methods for Recycling Steelmaking Converter Sludge |
| 07/05/2012 | CA2824655A1 Methods for the concentration of vanadium from carbonaceous feedstock materials |
| 07/04/2012 | EP2470680A1 Process for multi metal separation from raw materials and system for use |
| 07/04/2012 | EP1880029B1 An improved process for heap leaching of nickeliferous oxidic ores |
| 07/04/2012 | CN202297743U 一种海绵铜的制取装置 One kind of copper sponge preparation device |
| 07/04/2012 | CN202297739U 铅精炼碱渣一步法分离铅、锑渣和碱液的装置 Alkali-step separation of lead refining of lead, antimony slag and lye device |
| 07/04/2012 | CN202297735U 一种钴镍分离用萃取剂的在线皂化系统 One kind of separation of cobalt and nickel extraction agent online saponification system |
| 07/04/2012 | CN202289511U 闪蒸罐 Flash tank |
| 07/04/2012 | CN102549177A Smelting method |
| 07/04/2012 | CN102549176A Increase in the separation factor between americium and curium and/or between lanthanides in a liquid-liquid extraction process |
| 07/04/2012 | CN102549175A Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials |
| 07/04/2012 | CN102544628A Method for leaching positive electrode active material |
| 07/04/2012 | CN102534658A Method for preparing electrolytic copper fast with copper ore |
| 07/04/2012 | CN102534271A Production method of vanadium-aluminum alloy |
| 07/04/2012 | CN102534270A Multifunctional CO2 uranium leaching device |
| 07/04/2012 | CN102534269A Method for comprehensively recycling various rare earth from rare earth materials containing fluorine |
| 07/04/2012 | CN102534266A Method for extracting and separating vanadium from chromium by using three-phase system |
| 07/04/2012 | CN102534255A Wet process-pyrogenic process joint smelting process for antimony or bismuth |
| 07/04/2012 | CN102534248A Method for leaching cobalt selectively from high-ferrum cobalt material |
| 07/04/2012 | CN102534247A Method for leaching valuable metal |
| 07/04/2012 | CN102534238A Harmless and comprehensive utilization method for vanadium-extraction liquid leached residue |
| 07/04/2012 | CN102534235A Method for recovering valued metals from cobalt-nickel residue obtained through antimony trioxide purification in zinc hydrometallurgy |
| 07/04/2012 | CN102534232A Method for decomposing vanadium slag under normal pressure by adding carbon-containing substance into sodium hydroxide solution |
| 07/04/2012 | CN102534229A Method for selectively leaching vanadium from vanadium-bearing converter slag |
| 07/04/2012 | CN102534228A Method for comprehensively recovering valuable elements from high-arsenic-containing copper smelting soot |
| 07/04/2012 | CN102534227A Method for extracting indium from indium-rich smoke dust by using oxygen pressure technology |
| 07/04/2012 | CN102534224A Method for separating heavy metal components from solid waste |
| 07/04/2012 | CN102534222A Method for recovering acrylonitrile butadiene styrene (ABS) plastic galvanized parts |
| 07/04/2012 | CN102534216A Technique for removing fluorine from zinc hydrometallurgical leach solution |
| 07/04/2012 | CN102534215A Method for purifying and deferrizing electrolytic manganese leach solution |
| 07/04/2012 | CN102534214A New method for recycling gallium from Bayer mother solution by using chelate resin |
| 07/04/2012 | CN102534213A Method for carrying out normalized treatment on P204 extraction poisoning |
| 07/04/2012 | CN102534212A Method for separating low-concentration multiple metal ions through extraction and stepwise back-extraction |
| 07/04/2012 | CN102534211A Method for selectively adsorbing and extracting gold by using mangosteen slag |
| 07/04/2012 | CN102534210A Metal ore heap leaching, anaerobic enrichment transformation and biological leaching extraction process |
| 07/04/2012 | CN102534209A Reduction leaching method of manganese oxide ores |
| 07/04/2012 | CN102534208A Method for alkaline leaching of waste residue containing zinc ferrite or lean zinc ore |
| 07/04/2012 | CN102534207A Method for decomposing molybdenite through introducing oxygen at high temperature and under normal pressure |
| 07/04/2012 | CN102534206A Method for leaching limonitic laterite nickel ore |
| 07/04/2012 | CN102534205A Method for processing lead-zinc mixed concentrate by using oxidative pressure acid leaching in zinc hydrometallurgy |
| 07/04/2012 | CN102534204A Thiosulfate gold extraction method taking Fe (III) cyanide salts as oxidants |
| 07/04/2012 | CN102534187A Method for treating pyrite cinder by combining acidic leaching with alkaline dissolving |
| 07/04/2012 | CN102532589A Comprehensive recycling method of waste and old compact discs |
| 07/04/2012 | CN102181669B Method for preparing titanium-enriched material from high-impurity-content ilmenite concentrate |
| 07/04/2012 | CN102061389B Method for recycling arsenium and enriching heavy metals in arsenium-containing metallurgical sludge |
| 07/04/2012 | CN102051477B Method for chemically separating bastnaesite and urdite from mixed rare earth concentrate |
| 07/04/2012 | CN102021325B Method for respectively leaching copper and cobalt from copper and cobalt concentrate |
| 07/04/2012 | CN102010993B Process for extracting nickel and cobalt from laterite by ore pulp extraction technology |
| 07/04/2012 | CN101994008B Novel process for separating zinc and cobalt from nickel and cobalt slag from zinc smelting and purification |
| 07/04/2012 | CN101985452B Regeneration technology of tributyl phosphate |
| 07/04/2012 | CN101956078B Method for separating and recycling rare-earth elements from molten salt electrolysis wastes of rare-earth metals |
| 07/04/2012 | CN101935758B Extracting equipment |
| 07/04/2012 | CN101914678B Method for producing industry molybdenum oxide from molybdenum concentrate |
| 07/04/2012 | CN101910430B Selectively leaching cobalt from lateritic ores |
| 07/04/2012 | CN101899574B Method for comprehensively reclaiming arsenic caustic dross and sulfur dioxide flue gas in antimony pyrometallurgical smelting |
| 07/04/2012 | CN101880772B Method for recycling magnesium from magnesium-containing waste solution |
| 07/04/2012 | CN101845550B Method for extracting aluminum hydroxide and aluminum oxide from side product obtained by preparing magnesium metal by taking aluminum or aluminum alloy as reducing agent |