Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
09/2013
09/26/2013WO2013100823A3 Method for extracting rare earth metals from phosphogypsum
09/26/2013US20130247719 Heap leaching
09/26/2013US20130247718 Methods Of Metal Extraction Using Oximes
09/26/2013DE112011104540T5 Verfahren zum Extrahieren von Wolfram aus Scheelit A method of extracting tungsten from Scheelite
09/26/2013DE112011103839T5 Verfahren und eine Vorrichtung zum Trennen des Lithiums von Magnesium und Anreicherung von Lithium in Salzlake A method and an apparatus for separating lithium from magnesium and enrichment of lithium in brine
09/25/2013EP2641878A1 Molybdenum and benzoic acid recovery from aqueous waste streams generated in epoxidation processes
09/25/2013EP2640862A1 Process for extracting aluminum from aluminous ores
09/25/2013EP2640861A1 Method for the leaching of a metal sulfide
09/25/2013CN203214458U Air lifter
09/25/2013CN203212617U Automatic early warning device for rare earth extraction slot body
09/25/2013CN103328661A Process for recovering zinc and/or zinc oxide ii
09/25/2013CN103326088A Comprehensive recycling method of waste and old lithium-ion battery
09/25/2013CN103320629A Method for extracting cerium (IV) from sulfur phosphorus mixed acid system and preparing cerous phosphate nano material
09/25/2013CN103320628A Method for reducing acid consumption by concentrated acid aging method in process of leaching vanadium from navajoite
09/25/2013CN103320627A Method for extracting potassium element from potassium-containing micaceous raw ore
09/25/2013CN103320626A Method and system for recovering lithium, rubidium and/or cesium from lepidolite
09/25/2013CN103320621A Method for solidifying heavy metals in electrolytic manganese slags and co-producing sulphur
09/25/2013CN103320620A Method for efficiently enriching gold and platinum group metals from complex low-grade rhodium iridium residues
09/25/2013CN103320619A Method and device for biological leaching of precious metals from metal mixed particles of crushed waste circuit boards
09/25/2013CN103320618A Physical separation and bioleaching united method for recovering precious metal from waste circuit board
09/25/2013CN103320613A Method for recovering cobalt nickel through electrolytic manganese industrial ion exchange method
09/25/2013CN103320612A Tungsten-molybdenum separation method for extracting solution containing tungsten-molybdenum acid salt employing serotonin-hydroximic extractant
09/25/2013CN103320611A Method for selectively extracting gallium and germanium from peracid lixivium containing gallium and germanium
09/25/2013CN103320610A Sorting technique for valuable elements associated with gold
09/25/2013CN103320609A Process for using jarosite ore pulp to directly wash ore without filtering
09/25/2013CN103320608A Separation and recovery method of rare earth and apparatus employing the method
09/25/2013CN102828031B Method for separating, gathering and purifying cobalt, zinc and ferrum by heavy metal adsorption material
09/25/2013CN102614837B Method for adsorbing and recovering precious metal gold by persimmon tannin-containing metal adsorbent
09/25/2013CN102605198B Decomposition method of bastnaesite
09/25/2013CN102534271B Production method of vanadium-aluminum alloy
09/24/2013CA2636122C Process of leaching gold
09/19/2013WO2013136941A1 Scandium extraction method
09/19/2013CA2837834A1 Scandium extraction method
09/18/2013CN203200327U Activated-carbon adsorption device
09/18/2013CN203200323U Activated carbon adding device
09/18/2013CN203200322U Processing device for discharging material of pressure leaching kettle
09/18/2013CN203200321U 浸出装置 Leaching apparatus
09/18/2013CN103314123A Process for the selective removal of molybdenum from a solution containing IT
09/18/2013CN103314021A Modified poly (styrene-co-maleic anhydride) and uses thereof
09/18/2013CN103305708A Method for separating scandium from thorium in organic phase by means of back extraction
09/18/2013CN103305707A Method for smelting bismuth-molybdenum or bismuth-tungsten concentrates
09/18/2013CN103305702A Process for recovering and purifying neptunium from waste liquor discharged from 2AW+2DW in Purex flow
09/18/2013CN103305698A Method for recovering gold, silver, tin and copper from industrial wastes
09/18/2013CN103305696A Method for treating alkaline gold-extraction tailings by utilizing acid making tail gas
09/18/2013CN103305693A Method of preventing interphase impurity in vanadium-chromium extraction separation process
09/18/2013CN103305692A Leaching method of zinc sulfide concentrate
09/18/2013CN103305691A Large sulfuric acid normal pressure strengthening leaching tank
09/18/2013CN103305686A Method for realizing separation of aluminium, iron and calcium by activating coal gasification ash
09/18/2013CN103302298A Method for separating and purifying iridium
09/18/2013CN102943183B Method for extracting uranium and thorium from southern ionic rare-earth lixivium
09/18/2013CN102703715B Method for recovering rhenium and molybdenum from rhenium and molybdenum-containing concentrate calcination flue dust
09/18/2013CN102560114B Method for bioleaching valent metal ions in waste battery
09/18/2013CN102121067B Nuisanceless oredressing additive as well as preparation method and application thereof
09/18/2013CN101939397B Rare metal extracting agent
09/17/2013US8535625 Adsorbent and method of collecting precious metal using the same
09/17/2013CA2703863C High temperature leaching process
09/17/2013CA2549656C Improved bacterial oxidation of sulphide ores and concentrates
09/12/2013WO2013133173A1 Neutralization method and neutralization plant
09/12/2013WO2013133172A1 Dezincification plant, method for operating dezincification plant, and hydrometallurgical method for nickel oxide ore
09/11/2013EP2636760A1 Capsule for non-ferrous metal collection and method for collecting non-ferrous metal
09/11/2013CN203187728U Buffer mechanism in extraction technology
09/11/2013CN203183735U Heating mechanism for extraction tank
09/11/2013CN103298958A Capsule for non-ferrous metal collection and method for collecting non-ferrous metal
09/11/2013CN103298957A Heap leaching of manganese-containing ores
09/11/2013CN103290241A Method for extracting tungsten cobalt molybdenum nickel by jointly melting waste tungsten and nickel-molybdenum ore niter
09/11/2013CN103290239A Method for extracting vanadium from production flow of aluminum oxide
09/11/2013CN103290238A Method for leaching and extracting vanadium from vanadium-containing shale rocks
09/11/2013CN103290235A Comprehensive utilization process of strontium-containing rare-earth ore
09/11/2013CN103290234A Method for extracting soluble potassium by utilizing water-insoluble potassium ores
09/11/2013CN103290231A Method for improving gold leaching rate by deironing with acid leaching from arsenic material
09/11/2013CN103290225A Method for recovering lead from lead-containing solid wastes
09/11/2013CN103290224A Recovery process for valuable metals in tungsten residues
09/11/2013CN103290221A Method for recovering copper, arsenium and antimony from black copper sludge
09/11/2013CN103290219A Impurity removing method of leached solution of mixing roasted stone coal vanadium ore
09/11/2013CN103290218A Beneficiation combined process of Ni-Co-Cu lean ore or tailings
09/11/2013CN103290217A Technology for extracting lithium by processing lithium ores through high-pressure steaming process
09/11/2013CN103290216A Method for biological reduction extraction of manganese in manganese dioxide ore
09/11/2013CN103290215A Method for curing and leaching reinforced stone coal navajoite concentrated acid
09/11/2013CN103290214A Method for depositing iron from ferruginous zinc sulfate solution
09/11/2013CN103290213A Process for recycling valuable metal from nickel laterite ores and simultaneously by-producing anhydrous calcium chloride
09/11/2013CN103290212A Clean smelting method of indium
09/11/2013CN103290211A Oxidation tank with adjustable aeration position
09/11/2013CN103290210A High-efficiency circulating type oxidation tank
09/11/2013CN103290209A Rare earth extraction tank heating equipment and heating method
09/11/2013CN102703696B Method for recovering valuable metal from red soil nickel minerals comprehensively
09/11/2013CN102639729B Method for extracting rare earth elements from phosphogypsum
09/11/2013CN102002600B Environmentally-friendly chlorine water gold-extracting process
09/04/2013EP2632863A1 Waste treatment process
09/04/2013CN103282116A Method for collecting precious metals from solution containing precious metal ions, extractant or adsorbent used therefor, and back extractant or desorbent
09/04/2013CN103276228A Desulfurizing method for high-sulfur rhodochrosite
09/04/2013CN103276227A Method for extracting vanadium from vanadium-titanium magnetite concentrates
09/04/2013CN103276221A Method for recovering copper from copper flotation system liquids of tailings after cyaniding gold extraction
09/04/2013CN103276220A Process for replacing precious metals through cyaniding
09/04/2013CN103276217A Comprehensive recycling process for polymetallic material containing gold and silver
09/04/2013CN103276215A Method for recovering noble metal from waste catalyst
09/04/2013CN103276212A Method and apparatus for purifying leaching solution of zinc hydrometallurgy
09/04/2013CN103276211A Method for extracting iron and vanadium from vanadium-titanium magnetite concentrates
09/04/2013CN103276210A Separating and purifying method for metal oxidized ore
09/04/2013CN103276209A Method for nickel and molybdenum separation from high carbon nickel-molybdenum ore through catalysis oxidation
09/04/2013CN103276208A Method for decomposing scheelite
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