Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
04/2014
04/30/2014CN103757240A Method for leaching positive-negative pole material mixture of waste nickel-metal hydride battery
04/30/2014CN103757239A Method for leaching positive-negative pole material mixture of waste nickel-metal hydride battery
04/30/2014CN103757238A Method for leaching positive pole material of waste nickel-metal hydride battery
04/30/2014CN103757237A Method for leaching positive-negative pole material mixture of waste nickel-metal hydride battery
04/30/2014CN103757236A Method for leaching pyrolusite
04/30/2014CN103757235A Method for leaching positive-negative pole material mixture of waste nickel-metal hydride battery
04/30/2014CN103757234A Method for leaching pyrolusite
04/30/2014CN103757233A Method for leaching pyrolusite
04/30/2014CN103757232A Method for leaching pyrolusite
04/30/2014CN103757231A Method for leaching pyrolusite
04/30/2014CN103757230A Method for leaching pyrolusite
04/30/2014CN103757229A Method for leaching pyrolusite
04/30/2014CN103757228A Method for leaching pyrolusite
04/30/2014CN103757227A Method for leaching pyrolusite
04/30/2014CN103757226A Method for leaching positive pole material of waste lithium nickelate battery
04/30/2014CN103757225A Method for leaching pyrolusite
04/30/2014CN103757224A Method for leaching pyrolusite
04/30/2014CN103757223A Method for leaching pyrolusite
04/30/2014CN103757222A Method for leaching pyrolusite
04/30/2014CN103757221A Method for leaching positive pole material of waste lithium nickelate battery
04/30/2014CN103757220A Method for leaching positive pole material of waste lithium nickelate battery
04/30/2014CN103757219A Method for leaching pyrolusite
04/30/2014CN103757218A Method for leaching manganese carbonate ore
04/30/2014CN103757217A Method for leaching manganese carbonate ore
04/30/2014CN103757216A Method for leaching manganese carbonate ore
04/30/2014CN103757215A Method for leaching manganese carbonate ore
04/30/2014CN103757214A Method for leaching manganese carbonate ore
04/30/2014CN103757213A Method for leaching manganese carbonate ore
04/30/2014CN103757212A Method for leaching manganese carbonate ore
04/30/2014CN103757211A Method for leaching manganese carbonate ore
04/30/2014CN103757210A Method for leaching manganese carbonate ore
04/30/2014CN103757209A Method for re-leaching waste residue generated through leaching manganese carbonate ore with sulfuric acid
04/30/2014CN103757208A Method for leaching manganese carbonate ore
04/30/2014CN103757207A Method for leaching manganese carbonate ore
04/30/2014CN103757206A Method for leaching manganese carbonate ore
04/30/2014CN103757205A Method for leaching manganese carbonate ore
04/30/2014CN103757204A Method for leaching manganese carbonate ore
04/30/2014CN103757203A Iron and titanium leaching agent as well as process and application thereof in removing iron and titanium from flotation tailings of iron pyrite
04/30/2014CN102978421B Indium extraction method of ferrous iron-rich zinc oxide acid supernatant
04/30/2014CN102943173B Method for judging reduction leaching degree of concentrate containing trivalent cobalt in production site
04/30/2014CN102925703B Method for recycling valuable metals from lead anode slime
04/30/2014CN102925668B Method for leaching out scandium from niobium tailing dressing
04/30/2014CN102703709B Method for recovering scandium and titanium from titanium dioxide waste water
04/30/2014CN102634673B Method for deeply removing iron ions from chromium-containing waste residue pickle liquor
04/30/2014CN102002589B Method for three-phase extraction and one-step separation of platinum, palladium and rhodium from leaching solution of precious metal catalyst
04/29/2014CA2650043C Recycling of solids in oxidative pressure leaching of metals using halide ions
04/24/2014WO2014062289A1 Process for the recovery of gold form anode slimes
04/24/2014US20140112823 Recovery of gold from roaster calcine leach tailings
04/24/2014US20140110621 Processes for the separation of ores
04/24/2014US20140109725 Process for the Recovery of Gold from Anode Slimes
04/23/2014EP2722409A1 Indium recovery method
04/23/2014EP2722408A2 A method of recovering metal values from nickel-bearing ores
04/23/2014EP2721185A2 Method for recovering precious metals and copper from leach solutions
04/23/2014CN203559106U Separation and enrichment device of platinum and palladium in ore
04/23/2014CN203559102U Multi-medium mixed spray pipe
04/23/2014CN103748242A Hydrometallurgical method for recovering zinc in a sulphuric medium from zinc sulphide concentrates having a high iron content
04/23/2014CN103740953A Method for leaching vanadium in roasting vanadium ore by using smoke generated by traditional vanadium smelting method
04/23/2014CN103740936A Method for preparing chromium phosphate from chromium slag
04/23/2014CN103740931A Method for precipitating iron from goethite containing ferro-nickel mixed solution
04/23/2014CN103740930A Thiosulfate gold extraction method taking alkyl trimethyl quaternary ammonium salt as additive
04/23/2014CN103740926A Technology for extracting gold from superfine carbonaceous gold ore containing arsenic sulfide
04/23/2014CN103738982A Technology for separating alkaline earth metal impurities in lithium chloride by employing quasi fractional distillation extraction method
04/23/2014CN103233134B Recycling method of organic phase used for extracting scandium
04/23/2014CN103088206B Chemical metallurgy method for extracting beryllium oxide from chrysoberyl
04/23/2014CN103074502B Salt lake brine treatment method for separating lithium from high-magnesium-lithium-ratio salt lake brine
04/23/2014CN103045881B Method for extracting and separating thorium ions by using ion liquid extraction-supercritical CO2 reverse extraction technology
04/23/2014CN102978396B Organic phase washing method and device
04/23/2014CN102839285B Method for recovering copper from waste mine rocks
04/23/2014CN102828034B Method for producing high-purity zinc oxide through decarbonization on low-grade zinc oxide ore by adopting ammonia process
04/23/2014CN102676845B Filter residue obtained after purifying zinc liquid and preparation method of filter residue
04/23/2014CN102220499B Roasting-leaching method of fine vanadium slags
04/23/2014CN101838735B Method for extracting valuable metals from acid leaching solution of nickel-molybdenum multi-metal metallurgical materials by separation
04/22/2014US8702838 Method for recovering metal, and reagent and kit for recovery of metal for use in the same
04/22/2014CA2602595C Modification of copper/iron selectivity in oxime-based copper solvent extraction systems
04/17/2014WO2014058312A1 Desalination of aqueous media using ionic liquids
04/17/2014WO2014057922A1 Method and device for separating rare earth elements
04/17/2014WO2014056034A1 Gold recovery from refractory ores and concentrates
04/17/2014US20140105797 Precipitation of Zinc from Solution
04/16/2014EP2718471A1 Method for the selective separation and recovery of metal solutes from solution
04/16/2014CN203546123U Agitating tank with high-pressure blast nozzles
04/16/2014CN203546122U Stirring barrel for mineral leaching
04/16/2014CN103725899A Method for leaching Cuba nickel-cobalt raw material
04/16/2014CN103725892A Method for recycling valuable metals from precious smelting slag
04/16/2014CN103725889A Method for leaching copper and nickel in leaching slag of matte/ice nickel with assistance of microwave
04/16/2014CN103725885A New method for recycling tungsten-rhenium alloy leftover materials and waste materials
04/16/2014CN103725883A Method for preparing zinc sulfate solution de-fluorination agent
04/16/2014CN103725882A Method for extracting chromium from solution containing chromium ions and iron ions
04/16/2014CN103725881A Treatment technology for ionic associated complex
04/16/2014CN103725880A Extraction system, extraction method and reextraction method
04/16/2014CN103725879A Method for producing tungsten and tin chemical products through chemical metallurgical separation of tungsten-tin paragenic ore
04/16/2014CN103721606A Rigidity and flexibility combined stirring paddle
04/16/2014CN103060567B Method for processing waste lithium ion battery positive plate to extract valuable metal
04/16/2014CN103038373B Method and apparatus for extracting precious metal from an inorganic granular waste catalyst
04/16/2014CN103014336B Preparation and method for treating high-arsenic and high-sulfur gold ore
04/16/2014CN102994761B Method for purifying and recovering crude chromium and nickel products by cascade extraction method
04/16/2014CN102864318B Method for recycling vanadium from acid vanadium-containing solution containing silicon and phosphorus
04/16/2014CN102828025B Method for extracting V2O5 from stone coal navajoite
04/16/2014CN102659711B Methylene rhodanine reagent and application thereof in solid phase extraction of platinum
04/16/2014CN102560086B Method for extracting vanadium from vanadium slag clinker leached by ammonium carbonate
04/16/2014CN102534187B Method for treating pyrite cinder by combining acidic leaching with alkaline dissolving
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