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)
03/2014
03/20/2014WO2014041178A2 Enzymatic oxidation of sulfide minerals
03/20/2014WO2014040138A1 Resin scavenging of nickel and cobalt
03/20/2014WO2014040136A1 Solvent extraction process
03/20/2014WO2013153521A3 Process for recovering non-ferrous metals from a solid matrix
03/20/2014DE112012001499T5 Tantalrückgewinnungsverfahren Tantalum recovery process
03/19/2014CN203487208U Box extraction slot for extracting ZrO
03/19/2014CN103643256A Deep purification method for manganese sulfate solution in manganese metal production
03/19/2014CN103643054A Method for cleaning pipeline accumulated slag in disassembly-free mode in zinc hydrometallurgy
03/19/2014CN103643047A Recycling method of zinc smelting byproduct zinc ferrite
03/19/2014CN103643039A Vanadium-containing liquid classifying method
03/19/2014CN103643037A Separating method of copper and iron-lead in complex copper-iron-lead mixed sulphide ores
03/19/2014CN103643036A Method for processing roasted sand containing iron, indium and zinc through hot-pressing selective leaching
03/19/2014CN103643030A Mineral processing process for preparing qualified iron concentrate by adopting oolitic iron mine as raw material
03/19/2014CN103642732A Acidithiobacillus ferrooxidans strain with high resistance to fluorine
03/19/2014CN103215451B Recovery method of rare earth elements in ionic rare earth smelting acid dissolution slag
03/19/2014CN103014359B Separation and recovery method of monazite slag
03/19/2014CN102978379B Leaching method of associated rare earth elements of coal measure strata
03/19/2014CN102828027B Dechlorination method for indium raffinate
03/19/2014CN102776368B Lead and zinc tailing recycling method
03/19/2014CN102745657B Method for extracting tellurium from tellurium copper slags
03/19/2014CA2790558A1 Processes for recovering rare earth elements and rare metals
03/18/2014US8673208 Process and equipment for the production of direct reduced iron and/or pig iron from iron ores having a high-phosphorus content
03/18/2014US8673055 Improving the recovery of precious metals from recalcitrant refractory ore
03/13/2014WO2014038762A1 Method for leaching valuable metals contained in waste denitrification catalyst by using roasting and water leaching
03/13/2014WO2014038236A1 Method for leaching gold from gold ore containing pyrite
03/13/2014WO2014037433A1 Method of mineral leaching
03/13/2014WO2014037336A1 Method for leaching nickel, cobalt and iron from a nickel laterite ore
03/13/2014WO2014037335A1 Iron recovery method
03/12/2014EP2705169A1 Processes for recovering rare earth elements from various ores
03/12/2014EP2705168A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores
03/12/2014CN203474876U Ionic rare-earth mine extraction device based on membrane technology
03/12/2014CN103627912A Method for preparing zinc sulfate solution dechlorinating agent
03/12/2014CN103627911A Treatment process for high-iron zinc oxide
03/12/2014CN103627904A Method for recovering cobalt manganese from cobalt manganese catalyst wastes
03/12/2014CN103627902A Method for recovering rhodium from inactive noble metal catalyst
03/12/2014CN103627900A Method for removing impurities from manganese sulfate through total carbonic acid leaching
03/12/2014CN103627899A Device for clearing accumulated dregs in pipelines without disassembly in zinc hydrometallurgy
03/12/2014CN103627892A Method for extracting vanadium from stone coal by utilizing fluidized bed
03/12/2014CN103074490B Purification method in electrolytic metal manganese production process by multi-mine method
03/12/2014CN102918171B Process for production of ferronickel smelting raw material from low grade lateritic nickel ore
03/12/2014CN102912143B Method for comprehensively treating indium-containing lead anode slime through whole wet process
03/12/2014CN102628111B Method for extracting rhenium from rhenium-rich concentrates
03/12/2014CN102534214B Method for recycling gallium from Bayer mother solution by using chelate resin
03/11/2014US8668761 Method for processing and recycling zinc-rich iron metallurgy side products
03/11/2014CA2632923C Method for recovering rare metals in a zinc leaching process
03/06/2014WO2014036270A1 Silver recovery methods and silver products produced thereby
03/06/2014WO2014034296A1 Rare-earth-separation method and rare-earth separator
03/06/2014WO2014032095A1 Process for the extraction of scandium from scandium containing materials
03/06/2014WO2013181724A8 Selective base metals leaching from laterite ores
03/06/2014US20140065037 Treatment of indium gallium alloys and recovery of indium and gallium
03/05/2014EP2703503A1 Method of precipitation of iron from leach solutions
03/05/2014CN203462106U Cleaning equipment in secondary aluminum processing procedure
03/05/2014CN203462104U Electromagnetic oscillation treatment device
03/05/2014CN103620070A Indium recovery method
03/05/2014CN103620069A Manganese recovery method
03/05/2014CN103620065A Cobalt extraction method
03/05/2014CN103614576A Method for recycling germanium from germanium-containing glass
03/05/2014CN103614574A Calcium method-based roasting alkaline leaching process of vanadium ore coal
03/05/2014CN103614573A Process for producing cubic crystal antimony white from low-grade complex lead-antimony polymetallic ores
03/05/2014CN103614571A Laterite-nickel ore combination leaching process
03/05/2014CN103614563A Comprehensive recovery and processing method for red mud waste residues and titanium dioxide spent liquor
03/05/2014CN103614553A Wet-process zinc-smelting purifying liquid-solid separating process and device
03/05/2014CN103614545A Method for treating low-grade tungsten concentrate and tungsten slag
03/05/2014CN103611633A Tungsten-bearing limonite processing method
02/2014
02/27/2014WO2014031382A1 Elution of metal ions from chelating resin using amino acid eluant
02/27/2014WO2014030878A1 Method for separating and collecting useful metals from waste lead-free solder
02/27/2014WO2014030877A1 Method for separating and collecting tin inside variety of combined metals
02/27/2014WO2014030396A1 Method for isolating valuable metal
02/27/2014WO2014030395A1 Gallium extraction agent and gallium extraction method
02/27/2014WO2014030394A1 Indium extraction agent and indium extraction method
02/27/2014WO2014030218A1 Flocculant, transition metal separation method, and transition metal separation device
02/27/2014WO2014030048A1 Heap leaching method
02/27/2014WO2014029031A1 Process for treating magnesium-bearing ores
02/27/2014WO2014029017A1 Hydrometallurgical process using multi-stage nanofiltration
02/27/2014US20140054516 Nano wire and method for manufacturing the same
02/26/2014CN203451595U Rare earth feed liquid metering and conveying device of rare earth extracting groove
02/26/2014CN203451594U Extraction tank of rare earth oxide production line
02/26/2014CN203451591U Device for carrying out two-stage pickling, washing and filter-pressing on metal pickle liquor
02/26/2014CN203451590U Unloading device
02/26/2014CN203451589U Automatic control device for flow of rare earth feed liquid
02/26/2014CN203451588U Metal extracting integrated device for multistage pickling, washing and filter-pressing
02/26/2014CN103602837A Method for collecting scandium oxide from anatase associated scandium mineral
02/26/2014CN103602812A Rare-earth organic extractant and back-extraction process thereof
02/26/2014CN103602811A Lossless automated carbon change system and control method
02/26/2014CN103602810A Preparation method of levextrel resin and high-purity thorium
02/26/2014CN103602809A Stirring reaction tank used for amplified culturing of mineral-leaching microorganism
02/26/2014CN103602808A Biological desiliconization method of vanadium titano-magnetite
02/26/2014CN103602807A Treating method of removed molybdenum slag produced from tungsten smelting processes
02/26/2014CN103602806A Smelting method of high-indium high-iron zinc concentrate
02/26/2014CN103088222B Process for treating refractory gold ores
02/26/2014CN102851495B Technology for producing cathode copper through high-pressure oxygen leaching of copper and nickel contained melting slag
02/26/2014CN102796873B Method for comprehensively recovering metallic cobalt, ruthenium and aluminum from Fischer-Tropsch synthesis dead catalyst Co-Ru/Al2O3
02/26/2014CN102776374B Treatment method of nickel-cadmium slag
02/26/2014CN102766761B Method for extracting vanadium pentoxide from vanadium containing clay ores
02/26/2014CN102703687B Temperature controllable device for selectively leaching minerals by bacteria
02/26/2014CN102690953B Method for preparing compound powder of alumina and chrome oxide from chromium-containing aluminum sludge
02/26/2014CN101754809B Method for producing chelate resins
02/25/2014US8657917 Method for recycling metals from waste molybdic catalysts
02/20/2014WO2014026217A1 Processing of lithium containing material
02/20/2014US20140048987 Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process
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