| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 09/29/2010 | CN101608259B Method for improving leaching rate of germanium in material containing germanium |
| 09/29/2010 | CN101550486B Method for separating and recovering gold or silver by inner-coupling liquid membrane |
| 09/29/2010 | CN101235441B Acid picking method for extracting mineral from serpentine |
| 09/28/2010 | US7803336 Process for the recovery of titanium in mixed chloride media |
| 09/23/2010 | WO2010105292A1 Impurity removal from hydrated minerals |
| 09/22/2010 | EP2229345A1 Method for solubilizing molybdenum oxide concentrates |
| 09/22/2010 | CN201587966U Device for recycling high-purity copper oxide from copper bearing sludge resources |
| 09/22/2010 | CN101842504A Processes for extracting aluminum from aluminous ores |
| 09/22/2010 | CN101838749A Ion exchange extraction vanadium method of vanadium-containing solution |
| 09/22/2010 | CN101838738A Method for extracting gallium from flyash |
| 09/22/2010 | CN101838737A Method for leaching low-grade phosphate ore from ferrous oxide thiobacillus |
| 09/22/2010 | CN101838736A Wet separation method for valuable metals in purified liquid cobalt slags of wet zinc smelting system |
| 09/22/2010 | CN101838735A Method for extracting valuable metals from acid leaching solution of nickel-molybdenum multi-metal metallurgical materials by separation |
| 09/22/2010 | CN101837326A Liquid-solid separation device |
| 09/22/2010 | CN101514403B Method for volatilizing and enriching molybdenum from molybdenum tailings |
| 09/21/2010 | US7799295 Ore leach method with aqueous sulfuric acid containing ferric ions |
| 09/21/2010 | US7799294 Clarifying a first aqueous leach pulp by solid-liquid separation and solvent extraction to obtain a raffinate and a second aqueous leach pulp; diluted separation and extraction of the second pulp; pollution control |
| 09/21/2010 | US7799184 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor |
| 09/21/2010 | US7799114 Method for recovering gold |
| 09/21/2010 | CA2429691C Bioproduct production |
| 09/16/2010 | WO2010103913A1 Method for removing manganese from wastewater |
| 09/16/2010 | US20100233767 Process for the recovery of magnesium from a solution and pretreatment |
| 09/16/2010 | US20100229687 Method and mixer apparatus for mixing gas into slurry in a closed reactor |
| 09/15/2010 | EP2227303A1 Multi-column sequenced separation process for separating an ionic metal derivative |
| 09/15/2010 | CN201578895U Filter press capable of drying newly generated copper powder |
| 09/15/2010 | CN101831669A High-temperature cyanogen-free gold loaded carbon desorption system and control method thereof |
| 09/15/2010 | CN101831561A Method for decomposing potassium feldspar to extract soluble potassium |
| 09/15/2010 | CN101831552A Method for extracting various metals from tailings |
| 09/15/2010 | CN101831551A Method for recovering gold, silver, bismuth, stibium and copper from lead anode mud |
| 09/15/2010 | CN101831550A Method for extracting indium from alkali oxidation scum rich in indium |
| 09/15/2010 | CN101831547A Method for purifying cobalt solution |
| 09/15/2010 | CN101831546A Method for preparing biomass reductant and application thereof |
| 09/15/2010 | CN101831545A Alkali leaching method of zinc oxide mine |
| 09/15/2010 | CN101831544A Method for separating manganese and silver of manganese-silver ore and extracting manganese sulfate by purifying manganese dipped solution |
| 09/15/2010 | CN101831543A Process for precipitating rare earth continuously |
| 09/15/2010 | CN101831542A Method for extracting metallic elements of ferrum, magnesium and calcium from molybdenum milltailings |
| 09/15/2010 | CN101830468A Process for extracting white carbon black in alkaline-leaching and vanadium extraction of stone coal |
| 09/15/2010 | CN101418385B Method for extracting vanadium pentoxide from vanadium-containing steel slag |
| 09/15/2010 | CN101338377B High-efficiency leaching process of nickel from laterite-nickel ore |
| 09/15/2010 | CN101323908B Method for reclaiming cobalt from manganese cobalt slag |
| 09/14/2010 | CA2534035C Process for recovery of nickel and cobalt from laterite ore |
| 09/14/2010 | CA2443877C Process for producing cobalt solution of low manganese concentration |
| 09/14/2010 | CA2353225C Process for extraction of metals |
| 09/08/2010 | EP2226401A1 Method for extracting precious metals from refractory ores and concentrates |
| 09/08/2010 | CN201574188U Air-filling type biological oxidation tank |
| 09/08/2010 | CN101824555A Method for extracting scandium |
| 09/08/2010 | CN101824546A Method for recovering silver from lead-separating liquid of silver-separating residue of copper anode slime |
| 09/08/2010 | CN101824545A Method for extracting gold from thiosulfate adopting ethanediamine as additive |
| 09/08/2010 | CN101824544A Comprehensive recovery method for smelted lead waste slag of blast furnace |
| 09/08/2010 | CN101824541A Treatment method of wet method zinc smelting by-products |
| 09/08/2010 | CN101824540A Method for separating and reclaiming metal nickel and tin from waste materials containing nickel and tin |
| 09/08/2010 | CN101824538A Technique for removing sulphur ions in pregnant solution and improving grade of gold mud |
| 09/08/2010 | CN101824537A Ultra-pure gadolinium oxide and electrochemical reduction fully-closed type extracting production process thereof |
| 09/08/2010 | CN101824536A Process for extracting rare-earth from sulfuric acid treating phosphorite process |
| 09/08/2010 | CN101824535A Process for gathering trace rare earth from phosphoric acid by using centrifugal extracting equipment |
| 09/08/2010 | CN101824534A Method for extracting indium and germanium from pyrometallurgical crucible residues by whole-wet method |
| 09/08/2010 | CN101824533A Method for extracting tungsten trioxide and molybdenum trioxide by pretreating tungsten-molybdenum concentrates with concentrated acid |
| 09/08/2010 | CN101824530A Process for roasting chromite resources in ring kiln through pure oxygen by using low-temperature method and harmlessly and deeply utilizing chromium residue |
| 09/08/2010 | CN101503762B Desulphurization and vanadium extraction technique for calcinated vanadium ore |
| 09/08/2010 | CN101413067B Chemical extraction apparatus for metal gallium |
| 09/08/2010 | CN101403052B Novel process for solvent extraction decomposition of little cerium and rich lanthanum from fluorine-carbon-cerium rare earth mine |
| 09/08/2010 | CN101314815B Atmosphere-pressure catalytic oxidation method for high-sulfur high-arsenic hard washing golden ore concentrate |
| 09/08/2010 | CN101314814B Method for producing rare earth ferro-silicon raw material with fluorine containing alkali waste water |
| 09/08/2010 | CN101198710B Indium containing metal producing method |
| 09/08/2010 | CN101139659B Method for reclaiming nickel from acidic nickel plating waste water |
| 09/07/2010 | US7789332 Method for controlling oxygen when separating minerals from a slurry |
| 09/07/2010 | CA2512655C Anti-oxidation method for sulfide minerals in sulfide ore |
| 09/01/2010 | EP2224022A1 Improved bacterial oxidation of sulphide ores and concentrates |
| 09/01/2010 | CN201567360U Efficient and automatic solid phase gold extraction device |
| 09/01/2010 | CN201567359U Device for recovery of solution in hydrometallurgical residue |
| 09/01/2010 | CN101821202A Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 09/01/2010 | CN101818255A Method for comprehensively recovering valuable metals from copper blast furnace dust |
| 09/01/2010 | CN101818252A Non-volatile method for extracting zinc, iron and indium from solution of zinc, iron and indium |
| 09/01/2010 | CN101818249A Method for improving iron and reducing phosphorus of high phosphorus oolitic iron ore by magnetic roasting and two-step bioleaching |
| 09/01/2010 | CN101818248A Method for deeply purifying zinc-ammonia leaching solution |
| 09/01/2010 | CN101818247A Selective heap leaching gold extraction process for gold mine containing copper |
| 09/01/2010 | CN101818246A Technology for leaching cobalt-copper white alloy |
| 09/01/2010 | CN101570832B Process for recovering valuable metals in bismuth-containing material by selective chloride volatilizing method |
| 09/01/2010 | CN101451192B Comprehensive recovery method for directly cyanating and intensified leaching multi-metal gold ore concentrate |
| 09/01/2010 | CN101451187B Comprehensive recovery method of gold ore resource containing molybdenum multi-metal |
| 09/01/2010 | CN101418379B Method for extracting nickel and cobalt by enclosed leaching nickel oxide mine |
| 09/01/2010 | CN101294244B Technique for extraction separation of quadravalence cerium, thorium, fluorine and cerium less tervalence rare earth from sulphuric acid rare earth solution |
| 09/01/2010 | CN101100709B Method for reclaiming chromium in vanadium oxides producing process |
| 08/31/2010 | US7785395 particularly arsenopyrite and/or pyrite; hydrometallurgy; leaching; separating Elemental sulfur and precipitated iron and arsenic compds; free gold that remains undissolved is separated by gravity separation; sulfide minerals are decomposed, gold-containing solution is routed to concentrate leach circuit |
| 08/26/2010 | WO2010094161A1 Method for extracting valuable metals from laterite-nickel ore with whole closed-loop circulation of hydrochloric acid |
| 08/26/2010 | US20100215556 Nanopore reactive adsorbents for the high-efficiency removal of waste species |
| 08/25/2010 | CN201560228U Titanium extraction device |
| 08/25/2010 | CN201558560U Automatic evaporator liner |
| 08/25/2010 | CN101815691A A micronutrient fertiliser and method for producing same |
| 08/25/2010 | CN101813932A Method for component content prediction and optimization operation in wet-process metallurgic extraction process |
| 08/25/2010 | CN101812602A Calcium sulphate removal method of acid-leaching vanadium-extracted residues |
| 08/25/2010 | CN101812592A Method for extracting aluminum and silica gel from red mud |
| 08/25/2010 | CN101812589A Control method of rare earth extraction process based on ion characteristic color identification |
| 08/25/2010 | CN101812588A Method for decomposing vanadium slag with solution of potassium hydroxide under normal pressure |
| 08/25/2010 | CN101812587A Wet method lixiviating method for copper-contained tailings |
| 08/25/2010 | CN101812586A Method for replacing copper slag with high impurities and low grade to produce cuprous oxide |
| 08/25/2010 | CN101812585A Microbubble oxidization and acid dissolution method for copper-cobalt alloy |
| 08/25/2010 | CN101423894B Method for improving nickel cobalt leaching rate from lateritic nickel at low cost |
| 08/25/2010 | CN101381818B Method for preparing intermediate salt during acid leaching and extraction of vanadium pentoxide from vanadium-containing stone coal ash |
| 08/25/2010 | CN101195858B Method for extracting nickel with pressure leaching of non-metal high nickel sulfonium material |