| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 12/27/2012 | US20120328494 Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores |
| 12/27/2012 | US20120326364 Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content |
| 12/27/2012 | CA2780545A1 Method for extracting and separating light rare earth element |
| 12/26/2012 | EP2537576A1 Pertraction process |
| 12/26/2012 | EP2536860A1 Process for the recovery of gold from an ore in chloride medium with a nitrogen species |
| 12/26/2012 | EP2536858A1 Process for the recovery of metals and hydrochloric acid |
| 12/26/2012 | CN202626266U Organic entrainment spent acid recovery device adopting wet extraction |
| 12/26/2012 | CN202626265U Leaching unit for nonferrous metal hydrometallurgy |
| 12/26/2012 | CN202626264U Sulfuric acid leaching tank device for vanadium extraction |
| 12/26/2012 | CN102839379A On-line treatment method of acidic etching solution |
| 12/26/2012 | CN102839287A Method for leaching platinum metals from automobile tail gas spent catalyst by microwave heating and melting |
| 12/26/2012 | CN102839285A Method for recovering copper from waste mine rocks |
| 12/26/2012 | CN102839284A Process and system for cobalt removal from high cobalt zinc sulfate solution |
| 12/26/2012 | CN102839283A Method for removing chlorine in manganese electrolyte or zinc electrolyte |
| 12/26/2012 | CN102839282A Method for producing high-purity nano zinc oxide from low-grade zinc oxide ores |
| 12/26/2012 | CN102836661A Gas-filling temperature-raising leaching tank |
| 12/26/2012 | CN102329959B Separation method of palladium from silver electrolyte |
| 12/26/2012 | CN102268544B Preparation method of leaching pellet |
| 12/26/2012 | CN102251120B Desulfurization method for acid leaching process of manganese-rich slag |
| 12/26/2012 | CN102251101B Process for extracting gold from carbonaceous gold concentrate |
| 12/26/2012 | CN102230082B Method for recovering rare earth and niobium from rare metallic ores |
| 12/26/2012 | CN102226238B Process for efficiently removing iron from laterite leach liquor |
| 12/26/2012 | CN102206834B Method for directly producing electrolytic nickel by using low nickel matte |
| 12/26/2012 | CN102203306B A bench scale pressure reactor unit with data acquisition and control system for chemical leaching of minerals |
| 12/26/2012 | CN102154552B Method for removing chlorine from chlorine-containing zinc sulfate solution by using bismuth trioxide |
| 12/26/2012 | CN102071317B Composite extracting agent for extracting scandium from red mud hydrochloric acid leachate |
| 12/26/2012 | CN102041394B Process for producing refined bismuth by utilizing bismuth oxychloride |
| 12/20/2012 | WO2012174349A2 Method for recovering precious metals and copper from leach solutions |
| 12/20/2012 | WO2012172512A1 Leaching of minerals and sequestration of co2 |
| 12/20/2012 | WO2012171481A1 Hydrometallurgical process for complete and comprehensive recovery with substantially no wastes and zero emissions |
| 12/20/2012 | WO2012171480A1 Hydrometallurgical method for comprehensive recycling of lateritic nickel ore components as products |
| 12/20/2012 | WO2012080659A3 System and method for collecting compounds in the ground |
| 12/20/2012 | US20120318102 Method for enhancing solid-liquid separation in conjunction with laterite leaching |
| 12/20/2012 | CA2839740A1 Methods of recovering rare earth elements |
| 12/20/2012 | CA2838901A1 Method for recovering precious metals and copper from leach solutions |
| 12/19/2012 | EP2534241A2 Radioresistant alga of the genus coccomyxa |
| 12/19/2012 | CN202610300U Device for recovering magnesium from mid/low-grade high-magnesium phosphate rocks |
| 12/19/2012 | CN202606089U Pulpifying and agitating leaching unit applied to leaching tank with volume greater than 80 cubic meters |
| 12/19/2012 | CN1936037B Method for oxidizing-converting-leaching vanadium from converter steelmaking extracted vanadium slag under pressure field |
| 12/19/2012 | CN102828054A Method for recovering indium from waste liquid crystal panels through acid leaching-cation exchange resin adsorption technology |
| 12/19/2012 | CN102828052A Method for separating potassium, rubidium, cesium and vitriol after extracting lithium from lepidolite |
| 12/19/2012 | CN102828051A Desiliconization process in zinc hydrometallurgy |
| 12/19/2012 | CN102828035A Method for producing high-purity zinc oxide through decarbonization on electrolytic zinc acid leaching slag by adopting ammonia process |
| 12/19/2012 | CN102828034A Method for producing high-purity zinc oxide through decarbonization on low-grade zinc oxide ore by adopting ammonia process |
| 12/19/2012 | CN102828033A Method for recycling electrolytic zinc acid leaching slag |
| 12/19/2012 | CN102828032A Method for producing lithopone by utilizing electrolytic zinc acid leaching slag |
| 12/19/2012 | CN102828031A Method for separating, gathering and purifying cobalt, zinc and ferrum by heavy metal adsorption material |
| 12/19/2012 | CN102828029A Method for preliminarily separating valuable metals from copper anode slime |
| 12/19/2012 | CN102828027A Dechlorination method for indium raffinate |
| 12/19/2012 | CN102828026A Method for extracting and separating rare earth element by utilizing acidic extractant |
| 12/19/2012 | CN102828025A Method for extracting V2O5 from stone coal navajoite |
| 12/19/2012 | CN102828020A Method for closed cycle high-efficiency comprehensive recovery of multiple elements of gold concentrate |
| 12/19/2012 | CN102337399B Method for extracting lithium by processing lepidolite through alkali dissolution process |
| 12/19/2012 | CN102220487B Method for extracting vanadium and aluminum from vanadium-containing stone coal and clay vanadium ore |
| 12/19/2012 | CN102206749B Normal-pressure leaching method for simultaneously processing laterites with high iron content and high magnesium content |
| 12/19/2012 | CN102181644B Method for reclaiming rare noble metals from waste circuit board |
| 12/19/2012 | CN102127657B Comprehensive recovery method for extracting ferrovanadium from stone coal acid immersion liquid |
| 12/19/2012 | CN102010995B Method for increasing copper recovery rate in zinc hydrometallurgy process |
| 12/19/2012 | CN101736158B Copper extracting agent |
| 12/13/2012 | WO2012168915A1 Method for the selective separation and recovery of metal solutes from solution |
| 12/13/2012 | WO2012168091A1 Device and method for recovering a recovering material from a recovering fluid containing the recovering material |
| 12/13/2012 | CA2833605A1 Device and method for recovering a recovering material from a recovering fluid containing the recovering material |
| 12/12/2012 | EP2532760A1 Device and method for recovering nickel from a nickel plating bath fluid |
| 12/12/2012 | EP2532759A1 Method for separating metals from batteries containing lithium |
| 12/12/2012 | EP2531628A1 Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same |
| 12/12/2012 | EP2531626A1 Extraction process |
| 12/12/2012 | CN202595230U Oxygenation pure titanium spray kettle |
| 12/12/2012 | CN202595229U Continuous ion exchange device for removing boron from salt lake magnesium chloride brine |
| 12/12/2012 | CN202595228U Leaching tank coiler |
| 12/12/2012 | CN202595227U Leaching tank cover |
| 12/12/2012 | CN202590806U Pure titanium spray kettle |
| 12/12/2012 | CN202590665U Leaching tank stirring device |
| 12/12/2012 | CN202590650U Oxidation initial groove inflating device |
| 12/12/2012 | CN102816933A Treatment process method of chrome slag |
| 12/12/2012 | CN102816930A Method for gas phase precipitation of rare earth |
| 12/12/2012 | CN102816929A Short-flow method for preparing antimony or bismuth hydrolysis mother solution and composite cleaning agent for short-flow method |
| 12/12/2012 | CN102816928A Treatment and recovery method of residual copper and nickel metals in mine tailings |
| 12/12/2012 | CN102816927A Method for efficiently removing ferrum in red soil nickel mineral leaching liquid |
| 12/12/2012 | CN102816921A Chloride-free vanadium extraction technology |
| 12/12/2012 | CN102337391B Process method for recovering indium, germanium and other valuable metals from indium concentrate |
| 12/12/2012 | CN102268545B Intensified leaching method and device |
| 12/12/2012 | CN102251122B Process for silver extraction by acidifying calcination and leaching of lead silver slag |
| 12/12/2012 | CN102115828B Method for preparing iron and aluminum and coproducing sodium sulfate from red mud produced by bayer process |
| 12/12/2012 | CN102084034B Electrochemical process for the recovery of metallic iron and sulfuric acid values from iron-rich sulfate wastes, mining residues and pickling liquors |
| 12/12/2012 | CN102041382B Method for recovering gallium |
| 12/12/2012 | CN101928828B Method for extracting lithium from salt lake brine by adsorption method |
| 12/12/2012 | CN101899583B Integrative method of two-stage acid leaching, washing and filter pressing for manganese powder pickle liquor |
| 12/12/2012 | CN101657552B Method for the elution of 18F fluoride trapped on an anion-exchange resin in a form suitable for efficient radiolabeling without any evaporation step |
| 12/11/2012 | US8329124 Metal extractant reagents having increased resistance to degradation |
| 12/11/2012 | US8328900 Processes for recovering metals from aqueous solutions |
| 12/11/2012 | CA2686591C Method of heap or dump leaching of copper from copper sulfide ore |
| 12/06/2012 | WO2012166104A1 Effective recovery of lithium from lithium ion battery waste |
| 12/06/2012 | WO2012163200A1 Method for separating rare earth from phosphorus ore |
| 12/06/2012 | WO2012162851A1 Obtaining a ferric nitrate reagent in situ from a copper raffinate solution in a hydrometallurgical copper process |
| 12/06/2012 | WO2012162817A1 Methods for preparing hematite |
| 12/06/2012 | WO2012078019A3 Electrorecovery of gold and silver from thiosulphate solutions |
| 12/06/2012 | US20120308450 Process of recovery of base metals from oxide ores |
| 12/06/2012 | US20120304827 Methods and systems for recovering rhenium from a copper leach |
| 12/06/2012 | CA2834356A1 Methods for preparing hematite |
| 12/05/2012 | CN102812135A Method for enhancing solid-liquid separation in conjunction with laterite leaching |