Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
09/2011
09/08/2011US20110214535 System and method of carbon capture and sequestration, environmental remediation, and metals recovery
09/07/2011CN102174673A Roasting reduction method for manganese ore
09/07/2011CN102174672A Beneficiation method for high armangite
09/07/2011CN102174425A Acidithiobacillus and application thereof
09/07/2011CN102173491A Process for comprehensively utilizing rare-earth ore leaching waste liquid and calcining waste heat in rare earth production
09/07/2011CN101824534B Method for extracting indium and germanium from pyrometallurgical crucible residues by whole-wet method
09/07/2011CN101736154B Method for keeping biological activity in biological heap leaching process and improving leaching efficiency
09/07/2011CN101717864B Method for extracting nickel and cobalt through granulating and heap-leaching laterite nickel ore
09/07/2011CN101435022B Novel process for controlling formation of third phase in copper sulphide ore bioleaching liquid extraction process
09/06/2011US8012238 High temperature heap bioleaching process
09/06/2011CA2449165C Production of pure molybdenum oxide from low grade molybdenite concentrates
09/02/2011CA2732187A1 Recovery method for cobalt contained in copper-containing solution
09/01/2011WO2011104798A1 Metal recovery method and dialysis device
09/01/2011WO2011104436A1 Method for enhancing solid-liquid separation in conjunction with laterite leaching
09/01/2011CA2790691A1 Method for enhancing solid-liquid separation in conjunction with laterite leaching
08/2011
08/31/2011EP2361318A1 Separation method for carrier-free radiolanthanides
08/31/2011CN201952468U 一种稀土分离用萃取剂的在线皂化装置 A rare earth separation device using an online saponification extraction solvent
08/31/2011CN102168190A Method for enrichment of vanadium from stone coal mine in a manner of low consumption and high efficiency
08/31/2011CN102168184A Method for extracting beryllium oxide from low-grade beryllium ore
08/31/2011CN102168183A Process for extracting lithium from salt lake water subjected to calcium and magnesium preseparation
08/31/2011CN102168181A Horizontal type pressure leaching kettle and zinc sulfide concentrate leaching method using same
08/31/2011CN102168178A Method for extracting vanadium again from tailing after extracting vanadium from vanadium tailing of converter
08/31/2011CN102168177A Method for directly leaching electrolytic zinc anode mud manganese dioxide
08/31/2011CN102168176A Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing
08/31/2011CN102168175A Method for purifying Au999, PT999, Pd999, Os999 and Ag999
08/31/2011CN102168173A Method for extracting niobium from tailings
08/31/2011CN102168172A Technology for extracting and separating boron-ferrum-magnesium from paigeite
08/31/2011CN101787448B Comprehensive utilization process of high-carbon high-sulfur stone coal containing vanadium
08/31/2011CN101760612B Method for recovering bismuth from secondary zinc oxide slag
08/31/2011CN101724749B Method for comprehensively treating copper oxide ore with high contents of mud, iron, calcium and magnesium
08/25/2011WO2011100821A1 Process for the recovery of gold from an ore in chloride medium with a nitrogen species
08/25/2011WO2011100820A1 Process for the recovery of metals and hydrochloric acid
08/25/2011WO2011081576A3 Process and device for producing molybdenum-99
08/25/2011CA2789095A1 Process for the recovery of gold from an ore in chloride medium with a nitrogen species
08/25/2011CA2788965A1 Process for the recovery of metals and hydrochloric acid
08/24/2011EP1644541B1 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material
08/24/2011EP1373139B1 Extraction of silica and magnesium compounds from olivine
08/24/2011CN201942724U 针铁矿法除铁试验装置 Goethite law iron test device
08/24/2011CN102165079A A method of treating a sulphide mineral
08/24/2011CN102165078A Removal of metals from complex ores
08/24/2011CN102164858A A sulfate process
08/24/2011CN102162034A Process for recovering valuable metals from waste lithium batteries
08/24/2011CN102162033A Method for leaching copper and rhenium from high-sulfur high-arsenic rhenium-containing waste material by thermophilic bacteria
08/24/2011CN102162032A Method for recovering lead and silver from purification slag of zinc hydrometallurgy
08/24/2011CN102162031A De-ironing method for cobalt electrolyte
08/24/2011CN102162030A Ion-exchange separation method for tungsten and molybdenum in tungstate and molybdate mixed solution
08/24/2011CN102162029A Microbiological oxidation and reduction coupling leaching method for valuable metal in manganese oxide ore
08/24/2011CN102161977A New alicyclobacillus strain and application thereof in bioleaching
08/24/2011CN102161015A Bubble treatment method of flotation gold concentrate microbiological oxidation pretreatment process and microbiological oxidation reactor
08/23/2011CA2522567C Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants
08/18/2011WO2011100457A1 Ion exchange cobalt recovery
08/18/2011WO2011100442A1 Cobalt recovery
08/18/2011WO2011098979A2 Novel radioresistant alga of the coccomyxa genus
08/18/2011WO2011056576A3 Reclamation of metals from electronic waste with recovery of used nitric acid
08/18/2011CA2789376A1 Radioresistant alga of the coccomyxa genus
08/17/2011CN102159738A Method for the recovery of noble metals
08/17/2011CN102159737A Method for the sorptive extraction of precious metals
08/17/2011CN102159736A Method for processing mineral raw material
08/17/2011CN102154566A Method for preparing high-manganese-content manganese-aluminum masteralloy by taking pyrolusite as raw material
08/17/2011CN102154565A Method for extracting gallium from pulverized fuel ash
08/17/2011CN102154561A Non-cyanide gold leaching method for refractory gold concentrate
08/17/2011CN102154557A Method for recovering rare earth elements from waste neodymium iron boron leftover material
08/17/2011CN102154552A Method for removing chlorine from chlorine-containing zinc sulfate solution by using bismuth trioxide
08/17/2011CN102154551A Method for treating molybdenum blue-containing solution by ion exchange process
08/17/2011CN102154550A Vanadium extracting method based on extraction-back extraction system
08/17/2011CN102154549A Production method for high-purity hard-agglomeration-free superfine nickel oxide or cobalt and nickel or cobalt powder
08/17/2011CN102154548A Device and method for migration by adopting carrier mixed dual-phase sheet type combined liquid film
08/17/2011CN102154547A Method for decomposing scheelite with ammonium salts
08/17/2011CN102154546A Method for smelting molybdenum-nickel mineral association by wet process
08/17/2011CN102154545A Low nickel matte high-temperature oxygen pressure water leaching process
08/17/2011CN101736157B Process for absorbing and extracting valuable metal ions in leachate of laterite nickel ore by applying immobilized room temperature ionic liquid
08/17/2011CN101736152B Acid washed ore leaching process for low-grade copper oxide ores with high mud content
08/17/2011CN101126124B Method for preparing high-purity electrolyte for vanadium battery from stone-like coal
08/17/2011CN101044110B Particular calixarenes, method for production and use thereof
08/16/2011US7998430 Production of synthetic rutile by continuous leaching
08/16/2011CA2411444C Process for electrochemical decomposition of superalloys
08/11/2011WO2011095679A1 Extraction process
08/11/2011WO2011094858A1 Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same
08/11/2011WO2007019707A8 Method and apparatus for the recovery of refractory mineral ores
08/11/2011CA2788384A1 Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same
08/11/2011CA2787572A1 Extraction process
08/10/2011CN201924057U 一种湿法冶金装置 One kind of hydrometallurgical unit
08/10/2011CN1678763B Solvent extraction process
08/10/2011CN102146516A Metal compound removal
08/10/2011CN102146515A Method for preparing aluminium oxide by recovery of nickel-aluminium concentrate
08/10/2011CN102146513A Method for extracting vanadium from vanadium-containing ore by oxidation acid-leaching wet method
08/10/2011CN102146512A Hamartite smelting separation process
08/10/2011CN101787440B Method for wet processing of high antimony-lead anode mud
08/10/2011CN101760644B Leaching technique for magnesium-containing ore
08/10/2011CN101760632B Method for recovering zinc from zinc sulfate solution
08/10/2011CN101760616B Leaching method of cobalt-containing ore
08/10/2011CN101760614B Leaching method of nickel-containing ore
08/10/2011CN101713025B Method for wet separation of mixed solution containing nickel and zinc
08/10/2011CN101660054B Method for extracting metal indium from waste residues generated from lead and zinc smelting
08/10/2011CN101555548B Method for improving bioleaching effect of municipal solid waste incineration flying ash
08/10/2011CN101090983B Leaching process in the presence of hydrochloric acid for the recovery of a value metal from an ore
08/05/2011CA2692055A1 Recovering metals from complex metal sulfides
08/03/2011CN1899971B Method for extracting V2O5 from stone coal vanadium ore
08/03/2011CN102140588A Method for preparing tara tannin germanium extracting agent
08/03/2011CN102140581A Process method for producing copper sulfate by using copper scale at normal temperature and normal pressure
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