| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 10/23/2013 | CN103361482A Vanadium extraction leaching device and vanadium extraction leaching method |
| 10/23/2013 | CN102925680B Method for controlling particle size of compressed-leached material of zinc sulfide concentrate |
| 10/23/2013 | CN102912157B Method for extracting and separating light rare earth |
| 10/23/2013 | CN102776367B Method for demagging ground phosphorite and preparing MgHPO4.3H2O |
| 10/23/2013 | CN102719666B Method for removing iron with lead sulfate as vegasite-precipitating agent in wet zinc smelting process |
| 10/23/2013 | CN102586587B Method for treating lepidolite ore |
| 10/23/2013 | CN102534228B Method for comprehensively recovering valuable elements from high-arsenic-containing copper smelting soot |
| 10/23/2013 | CN102534215B Method for purifying and deferrizing electrolytic manganese leach solution |
| 10/23/2013 | CN102465202B Cobalt copper sulfide ore processing method |
| 10/23/2013 | CN102453800B Method for recovering rare earth elements from waste catalytic cracking catalyst containing rare earth elements |
| 10/23/2013 | CN102367522B Method for leaching manganese from manganese-rich slag |
| 10/23/2013 | CN101705380B Method for recovering rare earth from rare earth-containing aluminum-silicon materials |
| 10/17/2013 | WO2013152424A1 Chloride process for the leaching of gold |
| 10/17/2013 | WO2013152423A1 Process for extraction of rare earth elements |
| 10/17/2013 | US20130272932 Precipitation of Antimony and Bismuth from Copper Refinery Electrolyte Using PbO2 |
| 10/16/2013 | EP2650403A2 Electrorecovery of gold and silver from thiosulphate solutions |
| 10/16/2013 | EP2650392A1 Method for leaching copper oxide, replacing sulfuric acid with a non-polluting organic leaching agent |
| 10/16/2013 | EP2649211A1 Co-current and counter current resin-in-leach in gold leaching processes |
| 10/16/2013 | CN203238313U Dust extracting and leaching device |
| 10/16/2013 | CN103352131A Method for scandium concentration from complex high-acidity scandium contained solution |
| 10/16/2013 | CN103352130A Scandium combined extraction method from red mud and titanium dioxide waste liquid |
| 10/16/2013 | CN103352129A Method for improving quality of titanium concentrate |
| 10/16/2013 | CN103352126A Method for extracting ammonium molybdate from molybdenum contained waste liquid |
| 10/16/2013 | CN103352125A Method for high-efficiently enriching gold and platinum metal from complex low-grade chlorine soaked slag |
| 10/16/2013 | CN103352122A Method for efficiently removing iron in solution |
| 10/16/2013 | CN103352121A Method for eliminating manganese and/or arsenic in acid leachate of hydrometallurgy |
| 10/16/2013 | CN103352120A Process for enhanced acid leaching of laterite ores |
| 10/16/2013 | CN103352119A Novel leaching-extracting process for wet slag of mixed nickel cobalt hydroxide |
| 10/16/2013 | CN103352118A Method for extracting Nb from bayan obo tailings |
| 10/16/2013 | CN103352117A Method for extracting niobium from low-grade niobium ore |
| 10/16/2013 | CN103352116A Method for recovering zinc from high iron and high lead leaching residue through microwave-ultrasonic wave combination |
| 10/16/2013 | CN102876896B Method for recovering vanadium by decomposing vanadium extraction tailings by using sodium hydroxide solution |
| 10/16/2013 | CN102732723B Waste acid addition controlling method of zinc wet smelting cobalt-removing purifying process employing arsenic salt |
| 10/16/2013 | CN102732719B Method for purifying molybdenum disulfide by ultrasonic-assisted acid leaching of molybdenite |
| 10/16/2013 | CN102676818B Prediction method for zinc powder effectiveness coefficient in wet zinc smelting and copper removal process |
| 10/16/2013 | CN102660683B Method for preparing barium plumbate powder by coprecipitation of copper anode mud silver separating residue of circuit board |
| 10/16/2013 | CN102605185B Comprehensive utilization method for iron-aluminium paragenetic mine |
| 10/16/2013 | CN102605179B Acid leaching equipment for vanadium-containing shales |
| 10/16/2013 | CN102600984B Processing method of copper oxide ore containing calcium magnesium gangue |
| 10/16/2013 | CN102443711B Strengthened manganese ore leaching device and design method thereof |
| 10/16/2013 | CN102382982B Method for separating rare earth ions by extraction of liquid-liquid-liquid three-phase system |
| 10/16/2013 | CN102220498B Method for preparing fine vanadium slag |
| 10/16/2013 | CN102019173B Indium adsorbent, indium adsorbent producing method, and indium adsorption method |
| 10/15/2013 | CA2724024C Process for recovering molybdate or tungstate from aqueous solutions |
| 10/15/2013 | CA2716442C Method for thiosulfate leaching of precious metal-containing materials |
| 10/10/2013 | WO2013151437A1 An e-waste demounting device and method |
| 10/10/2013 | WO2013151190A1 Method for collecting tungsten compounds |
| 10/10/2013 | WO2013150642A1 Method for recovering chromite, and method for wet smelting of nickel oxide ore |
| 10/10/2013 | US20130266493 Method for separating nickel from material with low nickel content |
| 10/10/2013 | US20130264519 Phenoxypyrazole Composition and Process for the Solvent Extraction of Metals |
| 10/09/2013 | CN103348027A Process for separating at least one platinoid element from an acidic aqueous solution comprising, besides this platinoid element, one or more other chemical elements |
| 10/09/2013 | CN103348024A Extraction of metals |
| 10/09/2013 | CN103343245A Method for removing impurity aluminum in rare earth solution by neutralization-magnetic flocculation-magnetic separation |
| 10/09/2013 | CN103343244A Process for separating and purifying molybdenum in low-molybdenum-content tailings |
| 10/09/2013 | CN103343242A Method for interactively roasting bismuth sulfide ore and pyrolusite to extract bismuth and co-produce manganese sulfate |
| 10/09/2013 | CN103343236A Method for recovering titanium, vanadium and tungsten from waste denitration catalyst |
| 10/09/2013 | CN103343235A Method for recovering neodymium and iron from neodymium iron boron oil sludge through two-step co-precipitation |
| 10/09/2013 | CN103343234A Method for preparing neodymium and iron oxides by using neodymium iron boron oil sludge through regeneration and co-precipitation |
| 10/09/2013 | CN103343233A Method for recovering neodymium and iron from neodymium iron boron oil sludge |
| 10/09/2013 | CN103343226A Method and system for recycling zinc from low-concentration zinc containing solution |
| 10/09/2013 | CN103343225A Comprehensive utilization method of ferriferous fayalite material |
| 10/09/2013 | CN103343224A Method for quickly extracting gold from gold-containing material |
| 10/09/2013 | CN103343223A Multi-section acid leaching, washing and pressure filtration metal extraction process and integrated device thereof |
| 10/09/2013 | CN103343222A Accurate metering and transporting system of manganese ore powder |
| 10/09/2013 | CN102936649B Method for recovering nickel, cobalt, manganese and iron by roasting and leaching nickel oxide ore |
| 10/09/2013 | CN101126309B Horizontal fissure fluctuation leaching mining method |
| 10/08/2013 | CA2605005C Method for the recovery of valuable metals and arsenic from a solution |
| 10/03/2013 | WO2013146472A1 Method for rare-earth element recovery |
| 10/03/2013 | WO2013146391A1 Method for separation and recovery of alkali metal and alkali metal separation and recovery apparatus |
| 10/03/2013 | WO2013145909A1 Method for producing high-purity nickel sulfate |
| 10/03/2013 | WO2013145849A1 Method for eluting silver and metal adsorbed by activated carbon, and method for recovering metal and silver employing same |
| 10/03/2013 | WO2013145455A1 Method for recovering rare-earth element |
| 10/03/2013 | WO2013143271A1 Method for extracting and separating rare-earth element |
| 10/03/2013 | WO2013142957A1 Processes for treating fly ashes |
| 10/03/2013 | WO2013113132A3 Micro-organisms for low-temperature bio-leaching processes |
| 10/03/2013 | CA2862307A1 Processes for treating fly ashes |
| 10/02/2013 | EP2644720A1 Apparatus and method for adsorbing and desorbing lithium ions using a ccd process |
| 10/02/2013 | EP2643490A1 Process for the selective removal of molybdenum from a solution containing it |
| 10/02/2013 | EP2643489A1 Extraction of alkali metals and/or alkaline earth metals for use in carbon sequestration |
| 10/02/2013 | EP2643080A1 Pump |
| 10/02/2013 | CN203222609U Rare-earth liquid feeding pressure stabilizing device |
| 10/02/2013 | CN103339271A Valuable metal leaching method, and valuable metal collection method employing the leaching method |
| 10/02/2013 | CN103339270A Direct purification of a nickel laterite leaching effluent |
| 10/02/2013 | CN103339269A Process for separating americium from other metallic elements present in an acidic aqueous or organic phase and applications thereof |
| 10/02/2013 | CN103334018A Method for extracting antimony and bismuth from lead anode mud |
| 10/02/2013 | CN103334017A Method for preparing high-purity nickel powder from waste high-temperature alloy |
| 10/02/2013 | CN103334013A Novel leaching process of extracting precious metals such as gold, silver and the like from silver separating residues |
| 10/02/2013 | CN103334009A Method for recycling valuable metal from waste lithium batteries |
| 10/02/2013 | CN103334007A Method for recycling copper extraction raffinate produced in roasting, acid leaching and extracting processes |
| 10/02/2013 | CN102747223B Method for extracting tungsten from tungsten mineral by using soda and adopting high-pressure leaching process |
| 10/02/2013 | CN102586596B Heat exchange device for leachate in pressure acid leaching treatment process of zinc sulfide concentrate |
| 10/02/2013 | CN102557297B Treatment method of waste liquid after cleaning copper plated layer of printed circuit board |
| 10/02/2013 | CN102206751B Method for continuously recovering copper from printed circuit boards by microbial metabolites under action of micro electric field |
| 10/01/2013 | US8545690 Purification method of zinc sulfate leachate |
| 09/26/2013 | WO2013142022A1 Process for the conversion of molybdenite to molybdenum oxide |
| 09/26/2013 | WO2013140900A1 Method for producing hematite for iron-making use |
| 09/26/2013 | WO2013140837A1 Production method for hematite for iron production |
| 09/26/2013 | WO2013140836A1 Method for producing hematite for iron production |
| 09/26/2013 | WO2013140039A1 Method for recovering lithium carbonate |
| 09/26/2013 | WO2013138900A1 Processes for recovering rare earth elements and rare metals |