Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes
Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
10/2012
10/10/2012CN102719667A Method for extracting manganese from electrolytic manganese waste residues or low-quality manganese ore by utilizing mechanochemical method and auxiliary agent thereof
10/10/2012CN102719666A Method for removing iron with lead sulfate as vegasite-precipitating agent in wet zinc smelting process
10/10/2012CN102719657A Method for recycling heavy metal in electroplating sludge
10/10/2012CN102716657A Zinc oxide desulfurization method applicable to zinc smelting system
10/10/2012CN102191383B Treatment method for waste printed circuit board
10/10/2012CN102168177B Method for directly leaching electrolytic zinc anode mud manganese dioxide
10/10/2012CN102021331B Processing method for comprehensively recovering high manganese asbolite
10/10/2012CN101715493B Process for precious metal recovery from a sulphide ore or concentrate or other feed material
10/09/2012US8282857 Modification of copper/iron selectivity in copper solvent extraction systems
10/04/2012WO2012135826A1 System and process for the continuous recovery of metals
10/04/2012WO2012132962A1 Tantalum recovery method
10/04/2012WO2012132107A1 Method for producing and method for isolating/purifying niobium
10/04/2012WO2012131170A1 Method for collecting metals
10/04/2012WO2012130902A1 2,9-dipyridyl-1,10-phenanthroline derivatives useful as actinide ligands, method for synthesizing same, and uses thereof
10/04/2012WO2012081897A3 Method for enrichment-recovering ferronickel from raw material containing nickel, method for recovering nickel from enriched ferronickel, and method for recycling solution containing iron produced from same
10/04/2012WO2012081896A3 Method for recovering nickel from raw material containing nickel
10/04/2012US20120251417 Method for Recovering Metal, and Reagent and Kit for Recovery of Metal for Use in the Same
10/04/2012US20120251390 Method for Recovering Metal and Kit for Recovery of Metal for Use in the Same
10/04/2012US20120247271 Process for recovering metals and metal compounds from mined ore and other metal-bearing raw source materials
10/04/2012CA2831936A1 System and process for the continuous recovery of metals
10/04/2012CA2831646A1 Method for collecting metals
10/03/2012EP2505678A1 Method of washing anode slime from lead-bismuth alloy electrolysis
10/03/2012EP2504459A1 Method for the removal of chloride from zinc sulphate solution
10/03/2012CN202465840U Continuous rare earth precipitation device
10/03/2012CN102712965A Process of recovery of base metals from oxide ores
10/03/2012CN102712578A Dialkyldiaza-tetraalkyloctane diamide derivatives useful for the separation of trivalent actinides from lanthanides and process for the preparation thereof
10/03/2012CN102706403A Liquid level measuring device for autoclave
10/03/2012CN102703737A Method for extracting and separating rhenium from rhenium-containing slag
10/03/2012CN102703726A Method for extracting manganese and silverfrom oxidized manganese- silverores
10/03/2012CN102703717A Method for recycling gallium and germanium from residual liquid of process that germanium is extracted from coal dust containing germanium
10/03/2012CN102703716A Method for extracting rhenium from rhenium-containing smoke tail gas
10/03/2012CN102703715A Method for recovering rhenium and molybdenum from rhenium and molybdenum-containing concentrate calcination flue dust
10/03/2012CN102703713A Method for improving gold recycle rate in two-stage burning-cyaniding gold leaching process
10/03/2012CN102703712A Combined filtration process for recovering noble metal catalyst from fischer-tropsch synthesis products
10/03/2012CN102703710A Resource treatment method for extracting gold by means of waste plastic-packaged IC card plates
10/03/2012CN102703709A Method for recovering scandium and titanium from titanium dioxide waste water
10/03/2012CN102703708A Method for extracting gold and silver from electronic wastes
10/03/2012CN102703707A Method for recovering indium and germanium from zinc leaching residue
10/03/2012CN102703705A Method for efficiently and intensively leaching metals in waste lithium ion batteries
10/03/2012CN102703703A Continuous ion exchange device and method for removing boron from salt lake magnesium chloride brine
10/03/2012CN102703702A Aerating device of oxidation beginning tank
10/03/2012CN102703701A Method for treating cupric oxide or zinc oxide ores by adopting agitation ammonia leaching and infiltration basin ammonia leaching in combination
10/03/2012CN102703700A Two-stage ammonia leaching-flow distributing extraction method for copper oxide ore
10/03/2012CN102703699A Recycling method of acid waste liquid after treatment of high-lead rhenium-containing molybdenum concentrate
10/03/2012CN102703698A Wet metallurgical method for spessartite mineral
10/03/2012CN102703697A Method for recovering rare earth-niobium-ferrum paragenic ore
10/03/2012CN102703696A Method for recovering valuable metal from red soil nickel minerals comprehensively
10/03/2012CN102703695A Method for comprehensively recovering iron and germanium from zinc calcine containing high iron and high indium
10/03/2012CN102703694A Method for treating low-grade zinc oxide ores by wet method
10/03/2012CN102703693A Method for enriching and recovering metal nickel, copper and cobalt from tailings of copper and nickel mines
10/03/2012CN102703692A Method for removing ferrotitanium in low-grade bauxite by curing process with sulfuric acid
10/03/2012CN102703691A New technology for extracting high-purity gold by adopting wet process
10/03/2012CN102703690A Method for separating high-ferrosilicon complex zinc oxide lean ores through combined treatment
10/03/2012CN102703689A Process method for extracting and separating iron from industrial waste iron mud and preparing iron oxide red
10/03/2012CN102703688A Method for recovering vanadium in vanadium-titanium magnetite ore
10/03/2012CN102703687A Temperature controllable device for selectively leaching minerals by bacteria
10/03/2012CN102703682A Comprehensive recovery method of rare metal ore
10/03/2012CN102701509A Treatment method for molybdenum-containing acid wastewater generated in production of ammonium molybdate
10/03/2012CN102698673A Oxidation tank with high material utilization rate
10/03/2012CN102698467A Method for extracting and purifying natural uranium by using vibrating ring-shaped traverse baffle extracting tower
10/03/2012CN102199710B Method for extracting and separating nickel and molybdenum from nickel-molybdenum-containing coal gangue
10/03/2012CN102179524B Method for preparing coated nano zero valent iron by rheological phase reaction method, and prepared product thereof
10/03/2012CN102071315B Method for separating iron from raffinate in process of extracting scandium from red mud
10/03/2012CN102070162B Method for extracting lithium from salt lake brine
10/03/2012CN102051490B Novel method for recovering silver in high-iron sphalerite
10/03/2012CN102031371B Method for enriching germanium from wet process zinc smelting system
10/03/2012CN101994009B Method for enriching and recovering indium from zinc oxide acid supernate
10/03/2012CN101974691B Method for recovering cobalt in cobalt-containing waste residues from zinc smelting
10/03/2012CN101784488B Method of treating nonferrous smelting intermediary product containing arsenic
10/03/2012CN101501227B Cavitation process for titanium products from precursor halides
10/02/2012US8277539 Leaching process for copper concentrates containing arsenic and antimony compounds
10/02/2012US8277538 Method of leaching copper sulfide ore
09/2012
09/27/2012WO2012126092A1 Processes for recovering rare earth elements from aluminum-bearing materials
09/27/2012DE102007056571B4 Ultraschall im Pulsmodus zur Zersetzung von Gashydraten, Erzkrusten, sowie zum Abtrennen von Rohöl, ölhaltigen Partikeln vom Wasser und zum Abtöten der Biologie im Ballast-Wasser Ultrasonic pulse mode decomposition of gas hydrates, Erzkrusten, as well as for separating crude oil, oil-containing particles from the water and killing of biology in ballast water
09/27/2012CA2829049A1 Processes for recovering rare earth elements from aluminum-bearing materials
09/26/2012CN102690959A Comprehensive utilization method of reverse flotation products of calcium and magnesium carbonates in mixed copper ores
09/26/2012CN102690954A Back extraction and removement method for aluminium
09/26/2012CN102690953A Method for preparing compound powder of alumina and chrome oxide from chromium-containing aluminum sludge
09/26/2012CN102690952A Method for preparing iron oxide red by carrying out reducing roasting on high-sulfur gold concentrate and enhancing acid solution
09/26/2012CN102690951A Method for removing lead and antimony from alkaline-leaching dearsenification solution of lead anode slime
09/26/2012CN102690950A Method for recycling gold from low-grade gold-containing tail liquid generated from gold-carrying carbon desorption-electrodeposition technology
09/26/2012CN102690949A Method of purifying ammonium tungstate solution
09/26/2012CN102690948A Two-phase height adjusting manner of large-size extracting and clarifying tank
09/26/2012CN102690947A Smelting process of silver concentrate
09/26/2012CN102690946A Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials
09/26/2012CN102690944A Method for comprehensively recovering vanadium, titanium and iron from high-vanadium vanadium titano-magnetite
09/26/2012CN102690942A Method for reduction roasting and fortified acid dissolving of sulfur-containing gold concentrate calcine
09/26/2012CN102212690B Method for purifying lateritic nickel ore leach liquor
09/26/2012CN102002586B Nickel-containing high-cobalt sulfide leaching technology
09/26/2012CN101988154B New technology for preparing electrolytic manganese metal solution and recycling iron by reducing pyrolusite with iron scraps
09/26/2012CN101967557B Method for recycling carbonate rare-earth deposited wastewater to extraction and separation process for washing organic substances and preparing re-extraction solution and lotion
09/26/2012CN101956081B Technology for strengthening nickel cobalt of ammonia leaching from low-grade nickel laterite
09/26/2012CN101831543B Process for precipitating rare earth continuously
09/26/2012CN101535509B A sulfate process
09/26/2012CN101479394B Recycling of superalloys with the aid of an alkali metal salt bath
09/26/2012CN101403051B Method for recycling indium from germanium distillation waste acid
09/25/2012CA2572612C Method for separating and purifying hafnium and zirconium
09/25/2012CA2480229C Process for extracting platinum group metals
09/19/2012CN202440541U Distributor sieve plate device
09/19/2012CN202440540U Metal sulphide ore oxidizing leaching device
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