Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
07/2010
07/14/2010CN101778671A Chelate resin
07/14/2010CN101775619A Clean metallurgical method for bismuth or stibium by wet method
07/14/2010CN101775507A Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite
07/14/2010CN101775506A Leaching method of vanadium in vanadium-containing stone coal
07/14/2010CN101775502A Process for extracting copper from zinc hydrometallurgy flow
07/14/2010CN101775498A Pretreatment method of copper anode mud
07/14/2010CN101775496A Metal recycling method with waste cadmium-nickel battery purified fume
07/14/2010CN101775495A Preparation method of active cryptomelane
07/14/2010CN101775491A Electro-oxidation leaching method of molybdenite
07/14/2010CN101775490A Gold extracting method by thiosulfate using polyamine compoud as additive
07/14/2010CN101550490B Method of extracting nickel from ni-mo ore metallurgical slag
07/14/2010CN101289705B Process for abstracting vanadium from iron-smelting waste slag of vanadium -containing iron ore
07/14/2010CN101260466B Pretreatment method for organic extracting agent and application thereof
07/14/2010CN101033506B Method of directly leaching zinc ore concentrate or low grade mixing zinc ore under normal pressure and alkaline condition
07/13/2010US7754167 via solvent containing bis(aryl)dithiophosphinic acid; stripping with nitric acid
07/08/2010WO2010076030A1 Recovery of cobalt and pgm metals from cobalt alloys containing precious metals by selective dissolution
07/07/2010CN201522472U Potentiometer device used for on-line measuring electric potential of water solution
07/07/2010CN201520795U Device for heavy metal removal and deep purification in wet metallurgy
07/07/2010CN201520794U Oxygen nozzle structure for horizontal reactor
07/07/2010CN201520793U NPT ammonia leached copper device
07/07/2010CN201520792U Novel neutralized deironing equipment
07/07/2010CN101768669A Method for processing cobalt-copper alloy at room temperature
07/07/2010CN101768667A Process for deleading from Pb-containing high-arsenic material
07/07/2010CN101768666A Method for segmented acid-adding and circulating leaching of coarse particles in laterite nickel ores
07/07/2010CN101768665A Method for reducing acid consumption during heap leaching and high-pressure leaching of nickel laterite ore
07/07/2010CN101768662A Utilization method of sulfur-containing magnetite
07/07/2010CN101768661A Method for comprehensive utilization of iron and sulfur in tailing containing iron and sulfur
07/07/2010CN101768123A 2-octylsulfo-1H-benzimidazole, preparation method and method for extracting and separating palladium and platinum by using same
07/07/2010CN101767827A Method for recycling manganese sulfate by using electrolytic metal manganese waste slag
07/07/2010CN101767802A Method for recycling ammonium sulphate from waste mineral slag of electrolytic manganese metal
07/06/2010US7750066 Treatment of aqueous compositions containing contaminants
07/06/2010US7749302 Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals
07/01/2010WO2010074294A1 Method for manufacturing composition containing platinum group metal
07/01/2010WO2010072773A1 Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chloride
07/01/2010WO2010072342A2 A method for the synthesis of a radionuclide-labeled compound
07/01/2010WO2010071932A1 Method for extracting zinc from aqueous ammoniacal solutions
07/01/2010US20100166626 System and method for wastewater treatment
07/01/2010US20100166625 System and method for wastewater treatment
07/01/2010US20100166624 Methods for selectively separating carbon nanotubes
07/01/2010CA2747575A1 A method for synthesis of a radionuclide-labeled compound using an exchange resin
07/01/2010CA2745358A1 Method for extracting zinc from aqueous ammoniacal solutions
07/01/2010CA2744941A1 Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chloride
06/2010
06/30/2010EP2201145A1 Controlled copper leach recovery circuit
06/30/2010CN201516293U Box type mixing clarification extraction tank realizing saturated extraction of organic solvent
06/30/2010CN101760757A Method for producing lead by executing electrolysis and alkaline leaching on lead sulfate material
06/30/2010CN101760654A Method for recovering indium from indium-containing waste
06/30/2010CN101760653A Method for recovering germanium from zinc dross
06/30/2010CN101760652A Technical method for selecting and smelting refractory complex molybdenum ore processed by combined process flow
06/30/2010CN101760651A Process for extracting vanadium by acid leaching of stone coal
06/30/2010CN101760650A Method for leaching vanadium in vanadium-containing stone coal by wet process
06/30/2010CN101760649A Bacterial leaching way of vanadium in high-sulfur vanadium stone-like coal
06/30/2010CN101760648A Novel method for extracting vanadium by stone coal wet method strengthening
06/30/2010CN101760647A Method of manufacturing high purity hafnium
06/30/2010CN101760646A Leaching method of magnesium-containing ore
06/30/2010CN101760645A Leaching method for magnesium-containing ore
06/30/2010CN101760644A Leaching technique for magnesium-containing ore
06/30/2010CN101760637A Leaching technology of magnesium-containing ore
06/30/2010CN101760635A Method for recovering nickel from nickel sulfate solution
06/30/2010CN101760632A Method for recovering zinc from zinc sulfate solution
06/30/2010CN101760630A Method for recovering copper from copper sulfate solution
06/30/2010CN101760629A Thiosulfate gold extracting method taking triethylene tetramine as additive
06/30/2010CN101760628A Thiosulfate gold extracting method taking diethylenetriamine as additive
06/30/2010CN101760627A Method for recovering noble metal in waste noble metal catalysts
06/30/2010CN101760624A Method for extracting gold by using circuit board anode mud
06/30/2010CN101760623A Wet leaching method of galena
06/30/2010CN101760622A Method for extracting intermetallic compound Mg2Si crystals from high-silicon magnesium alloy
06/30/2010CN101760621A Device for leaching manganese ore to remove iron and iron removing method thereof
06/30/2010CN101760620A Purifying and impurity-removing method of wet leachate of galena
06/30/2010CN101760619A Method for recovering metallic copper in mud by using microorganism and special device
06/30/2010CN101760618A Improved method for leaching magnesium-containing ore
06/30/2010CN101760617A Improved method for leaching magnesium-containing ore
06/30/2010CN101760616A Leaching method of cobalt-containing ore
06/30/2010CN101760615A Leaching method of copper-containing ore
06/30/2010CN101760614A Leaching method of nickel-containing ore
06/30/2010CN101760613A Method for leaching zinc-containing ores
06/30/2010CN101760612A Method for recovering bismuth from secondary zinc oxide slag
06/30/2010CN101760611A Method for wet-method oxidative decomposition of metal sulfide ores
06/30/2010CN101760610A Method for comprehensively recycling gold concentrator tailings
06/30/2010CN101757807A Vertical filter press and gold mine cyanation leaching washing process using same
06/30/2010CN101532095B Method for producing electrodeposited cobalt by non-hydrochloric acid electrolyte
06/24/2010WO2010068967A1 Apparatus and method for mineral recovery using particulate ion exchange media
06/24/2010US20100158747 Fine Particle Recovery Methods For Valve Metal Powders
06/23/2010CN101754809A Method for producing chelate resins
06/23/2010CN101748447A Method for producing electrolytic manganese metal
06/23/2010CN101748296A Method for extracting vanadium from stone coal
06/23/2010CN101748289A Neutral leaching method of zinc metallurgy in wet method
06/23/2010CN101748280A Process for reclaiming zinc in steel-making dust of waste galvanized plate
06/23/2010CN101748279A Method for recycling smelting slag of AB5 type rare earth-based hydrogen storage alloy
06/23/2010CN101748276A Process for extracting, separating and purifying Ag, Au, Pd and Pt
06/23/2010CN101748275A Preparation method of low-thorium lutetium oxide
06/23/2010CN101748274A Technology for controlling generation of third phase during copper sulfide extraction through applying ion-selective electrode
06/23/2010CN101748273A Process for extracting extracellular polymeric substances of iron protoxide thiobacilli from biologic leach liquor
06/23/2010CN101748085A Leaching-ore bacteria and biological indium extraction process in sphalerite concentrate ore
06/23/2010CN101748084A Normal temperature acidophilic leaching-ore bacteria and two-step leaching method for leaching metals in waste circuit board
06/23/2010CN101748080A Ore leaching bacteria and selectivity organism extraction process of low grade zinc sulfide ore
06/23/2010CN101492777B Method for producing molecular-beam epitaxy grade high-purity gallium
06/23/2010CN101323909B Method of microwave selective reduction roasting-dilute acid leaching nickel oxide ore
06/23/2010CN101307383B Process for leaching out zinc in fluosolids roasting soot of zinc concentrate by bacteria
06/23/2010CN101298639B Comprehensive utilization process of malachite ore
06/22/2010US7740685 Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters
1 ... 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 ... 165