Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
07/2013
07/10/2013CN103194768A Method for preparing electrolytic manganese metal by using high-iron and high-phosphor manganese ores
07/10/2013CN103194767A Method for preparing manganese sulfate electrolyte by using high-iron and high-phosphor manganese ores
07/10/2013CN103194627A Method for removing aluminum in rare earth solution
07/10/2013CN103194617A Method for strengthening agitation leaching of cuprite red copper ore type copper oxide
07/10/2013CN103194613A Method for extracting gold from high basic gangue containing arsenic and carbon
07/10/2013CN103194612A Advanced treatment technology for bottom blowing smelting smoke dust
07/10/2013CN103194611A Method for producing vanadium oxide
07/10/2013CN103194610A Method for extracting gold from silver separating residues in nonferrous metal exploitation
07/10/2013CN103194609A Method for preparing scandium oxide by using rough scandium extracted from waste acid water of titanium dioxide as raw material
07/10/2013CN103194603A Preparation method of high-purity vanadium pentoxide
07/10/2013CN103194602A Method for removing iron and recovering iron-enriched iron scum in wet-method zinc smelting process
07/10/2013CN103194601A Method for reducing consumption of copper extractant in copper extraction process by nitric acid system
07/10/2013CN103194600A Method for purifying zinc sulfide solution
07/10/2013CN103194599A Method for processing zinc sulfide concentrated ore
07/10/2013CN103194598A Method for improving recovery rate of gold ore difficult to treat by adopting sulfuric acid leaching reduction process
07/10/2013CN103194597A In-situ leaching method of electric field strengthened fine grain tailings
07/10/2013CN103193213A Method for comprehensively utilizing low-grade phosphate ores
07/10/2013CN102643988B Method for leaching metallic copper from waste printed circuit board by using ionic liquid
07/10/2013CN102643983B Stage-by-stage dump leaching technology for low-grade mixed copper ore
07/10/2013CN102560138B Pretreatment method of refractory gold ore
07/10/2013CN102329956B Extraction process of nickel element from laterite-nickel ore by wet method
07/10/2013CN102212697B Tungsten slag treatment method
07/10/2013CN102206753B Method for improving 2A process plutonium concentration multiple in Purex flow
07/10/2013CN102127656B Method for decomposing vanadium slag by liquid phase oxidation
07/10/2013CN101910429B Method and apparatus for removing/recovering copper from copper-containing acidic waste liquid and process for producing copper-containing substance
07/09/2013US8480785 Method and apparatus for recovering indium from etching waste solution containing indium and ferric chloride
07/09/2013CA2732187C Recovery method for cobalt contained in copper-containing solution
07/09/2013CA2633811C Method for processing ore to minimize the production of acidic wastes
07/03/2013CN203034064U Separator for gold, lead and zinc in mine
07/03/2013CN103184356A Treatment method for rare earth phosphate rock and enrichment method for rare earth
07/03/2013CN103184338A Recovery method of copper indium gallium selenide thin-film solar panel
07/03/2013CN103184337A Separation and extraction method for nickel and cobalt in low-grade sulfide mineral bioleaching agent through synergistic extraction
07/03/2013CN103184336A High-arsenic high-carbon micro-fine particle refractory gold ore biological gold extraction technology and microorganism used in technology
07/03/2013CN103184335A Low-grade multi-metal sulfide mineral selective bioleaching technology
07/03/2013CN103184334A Selection-smelting combined technology for treating mixed ore containing molybdenum, oxygen, sulfur and copper
07/03/2013CN103184333A High grade copper oxide-containing material sulfuric acid leaching and stage extraction technology
07/03/2013CN103184332A Method for roasting, converting and resolving fluorocarbon cerium rare earth mine by adding covering agent to calcium compound
07/03/2013CN102534208B Method for alkaline leaching of waste residue containing zinc ferrite or lean zinc ore
07/03/2013CN102146516B Metal compound removal
07/03/2013CN101798627B Method for precipitating rare earth
07/02/2013CA2516411C Method for recovery of zinc by countercurrent leaching
06/2013
06/27/2013WO2013096893A1 A system and method for extraction and refining of titanium
06/27/2013WO2013096071A1 System and method for parallel solution extraction of one or more metal values from metal-bearing materials
06/27/2013WO2013096070A1 Systems and methods for metal recovery
06/27/2013WO2013095827A1 System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials
06/27/2013WO2013095825A1 System and method for liquid-liquid separation
06/27/2013WO2013093194A1 Method and arrangement for enhancing use of reactor volume in connection with hydrometallurgical leaching
06/27/2013WO2013049953A3 Irrigation mat assembly for use on leach piles, which allows for improved installation times
06/27/2013US20130160608 Process For Producing Silver Nanowires
06/26/2013CN103173624A Method for recovery germanium from germanium-containing flue dust
06/26/2013CN103173619A Method for recovering nickel and tungsten by waste nickel and tungsten catalyst
06/26/2013CN103173617A Method for removing radium from south ionic rare earth leachate
06/26/2013CN103173616A Method for extracting and separating copper and cobalt in waste lithium ion battery leach solution with microemulsion
06/26/2013CN103173615A Novel method for enriching metal rhenium in high-temperature alloy waste recovery technology
06/26/2013CN103173614A High-temperature biological heap leaching method of primary copper sulphide ores
06/26/2013CN103173613A Clean production method in atmospheric pressure leaching of limonite type laterite-nickel ore with hydrochloric acid
06/26/2013CN103173612A Acid dump leaching technology of atacamite
06/26/2013CN103173611A Method for extracting lithium from aluminious rock
06/26/2013CN103173356A Intermediate-temperature mineral leaching composite microbial system for leaching copper pyrites
06/26/2013CN103170300A Leaching ball device
06/26/2013CN102628105B Method for comprehensively recycling and using baric waste slag in refined aluminum production process
06/26/2013CN102242268B Process for treating black copper slag through electrolytic method
06/25/2013CA2537603C Treatment of aqueous compositions containing contaminants
06/25/2013CA2526870C Methods for recovering at least one metallic element from ore
06/20/2013WO2013089400A1 Method for extraction of lithium from lithium bearing solution
06/20/2013WO2013086606A1 Separation of iron from value metals in leaching of laterite ores
06/20/2013WO2013086555A1 Method for concentrating metal chlorides in and separating same from an iron(iii) chloride-containing hydrochloric acid solution
06/20/2013US20130156661 Systems and methods for metal recovery
06/20/2013US20130152741 System and method including multi-circuit solution extraction for recovery of metal values from metal-bearing materials
06/19/2013EP2604712A1 A method for treating liquid effluents and recovering metals
06/19/2013EP2604711A1 Method for recycling lead from waste glass containing lead
06/19/2013CN103168107A Method for recovering valuable metals from lithium secondary battery wastes
06/19/2013CN103160696A Method for carrying out microwave heating on stone coal containing vanadium to extract vanadium
06/19/2013CN103160690A Method of recovering metallic oxide from SCR denitration spent catalyst
06/19/2013CN103160689A Method of iron extraction and removal with solvent extraction agent
06/19/2013CN103160688A Method for preparing germanium concentrate from germanium-containing leachate through utilizing zinc powder replacement method
06/19/2013CN103160684A Method for extracting tantalum and niobium through low alkali decomposition of tantalum-niobium ore
06/19/2013CN103159978A Processing method of flame retardant plastic containing halide and antimony oxide
06/19/2013CN103157421A Method and device for enhancing action effect of ultrasonic wave in replacement process
06/19/2013CN102732725B Method for circularly removing impurity chlorine in zinc sulfate solution by using cuprous salt
06/19/2013CN102492842B Method for purifying zinc sulfate solution
06/19/2013CN102433433B Whole-wet method treatment process for extracting and preparing Mo and Ni products from refractory Mo-Ni ore
06/19/2013CN102392136B Process for comprehensively recovering high arsenic polymetallic material
06/19/2013CN102382987B Method for recovering and regenerating positive electrode material of lithium ion battery
06/19/2013CN102352448B Method for recovering rare earth from low-concentration rare earth solution through prussian blue colloidal nanoparticles
06/19/2013CN102352437B Method for treating hydrochloric acid leachate of ferrotitanium materials
06/19/2013CN102337398B Technique for extracting and separating rare earth-iron resources from rare earth tailings
06/19/2013CN102277492B Method for extracting gallium resin from Bayer mother solution
06/19/2013CN102277489B Acidolysis method of titanium-containing slag
06/19/2013CN102220493B Method and device for purifying zinc sulfate solution based on action of cavitation effect
06/19/2013CN102191387B Method for purifying titanium solution
06/19/2013CN102146512B Hamartite smelting separation process
06/19/2013CN101319276B Preextraction method for organic extraction agent, product and uses thereof
06/13/2013WO2013085052A1 Rare earth element recovery method
06/13/2013US20130150232 Slurry catalyst and slurry flakes valorization
06/13/2013US20130149219 Separation of iron from value metals in leaching of laterite ores
06/13/2013DE102012222434A1 Magnetische Separierung von Eisen aus Aluminium- oder Magnesiumlegierungsschmelzen Magnetic separation of iron from aluminum or magnesium alloy melts
06/13/2013CA2857263A1 Rare earth element recovery method
06/12/2013EP2602426A1 Liquid guiding and collection process with secondary channels for in situ leaching
06/12/2013EP2602425A1 Process for in-situ leaching by liquid injection
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