Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429)
11/2009
11/25/2009CN101586192A Leaching method for anode and cathode mixed materials of waste LiCoxNiyMnzO2 battery
11/25/2009CN101586191A Leaching method for cathode material of waste nickel-hydrogen battery
11/25/2009CN101586190A Leaching method for anode material of waste nickel-hydrogen battery
11/25/2009CN101586189A Leaching method for anode material of waste LiCoO battery
11/25/2009CN101586186A Method for leaching chalcopyrite and corresponding leaching agent
11/25/2009CN101586185A Method for separating and recycling arsenic and iron from biological oxidation solution of sulfide ore
11/25/2009CN101586094A Fe reducing bacteria-mineral complex inocula capable of accelerating degradation of organic chloride and preparation method thereof
11/25/2009CN101584979A Polymer reversed phase bonding extraction column and method for extracting gold from alkaline cyanide solution using the column
11/25/2009CN100562590C Rapid nontoxic gold extracting method
11/25/2009CN100562566C Middle thermophilic bacteria and chemical and biological combined heap leaching technique for low-grade primary copper ore
11/24/2009CA2369852C Composition and process for the solvent extraction of metals using aldoxime or ketoxime extractants
11/24/2009CA2352770C High temperature heap bioleaching process
11/24/2009CA2277383C Microwave thermal shock metallurgy
11/19/2009WO2009139715A1 A process for chlorinating resources containing recoverable metals
11/19/2009WO2009138563A1 System for decreasing amount of organic solution in the liquid-liquid extraction process
11/19/2009CA2724210A1 System for decreasing amount of organic solution in the liquid-liquid extraction process
11/19/2009CA2723288A1 A process for chlorinating resources containing recoverable metals
11/18/2009CN101583728A Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals
11/18/2009CN101580902A Lime milk neutralization method acid dipping-extraction vanadium extraction technology
11/18/2009CN101580901A Method for refining zinc by using slag containing zinc
11/18/2009CN101580900A Technique for reagent-free in situ leaching uranium mining from sandstone type uranium deposit
11/18/2009CN100560758C Method for reclaiming indium from waste mercury-free basic zinc-manganese battery
11/18/2009CN100560757C Process for extracting vanadium by stone coal wet method
11/18/2009CN100560756C Technique for extracting silver from copper anode mud solution after pretreatment
11/18/2009CN100560755C Extraction of chromium from mud containing chromium by sodium-salt calcination
11/17/2009CA2409569C Polysulfonamide matrices
11/17/2009CA2331734C A process for processing residual substances containing at least one nonferrous metal and/or compounds thereof
11/12/2009WO2009135665A1 Recovery of rhenium
11/12/2009WO2009135291A1 Leaching process for copper concentrates containing arsenic and antimony compounds
11/12/2009US20090277303 Separation and recovery of precious metals using polymer materials
11/12/2009US20090277302 METHOD OF COPPER PRECIPITATION IN LEAD-FREE SOLDER, GRANULATION AND SEPARATION OF (CuX)6Sn5 COMPOUNDS AND RECOVERY OF TIN
11/12/2009CA2721709A1 Leaching process for copper concentrates containing arsenic and antimony compounds
11/11/2009EP2115177A1 Method for the elution of 18f fluoride trapped on an anion-exchange phase in a form suitable for efficient radiolabeling without any evaporation step
11/11/2009EP1155155B1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals
11/11/2009CN101575715A Method for extracting valuable metals from electronic waste
11/11/2009CN101575676A Method for removing iron and enriching nickel cobalt through precipitation of laterite type nickel ores
11/11/2009CN101575674A Method for recovering platinum metal from melting trapped material
11/11/2009CN101575673A Method for separating and extracting copper and cobalt-nickel in low-grade complex mixed copper-cobalt ore
11/11/2009CN101575672A Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore
11/11/2009CN101574617A Synchronous desulphrization and denitration method of flue gas pyrolusite pulp for reclamation
11/11/2009CN100558918C Method for the recovery of valuable metals and arsenic from a solution
11/11/2009CN100558917C Method for the recovery of gold
11/11/2009CN100558438C Method and apparatus for purification of an aqueous solution form droplets of extraction solution
11/10/2009US7615199 Method for the recovery of valuable metals and arsenic from a solution
11/10/2009US7615100 Method for the precipation of silica in connection with zinc ore leaching
11/10/2009CA2438605C A method for the bacterially assisted heap leaching of chalcopyrite
11/10/2009CA2383817C Recovery of copper from copper bearing sulphide minerals by bioleaching with controlled oxygen feed
11/10/2009CA2383816C Recovery of nickel from nickel bearing sulphide minerals by bioleaching
11/10/2009CA2383815C Recovery of precious metal from sulphide minerals by bioleaching
11/05/2009WO2009133053A1 Adsorption method for reclaiming molybdate or tungstate from aqueous solutions
11/05/2009WO2009132558A1 A method of extracting ni and/or co
11/05/2009WO2009103850A4 Method for separating zinc, iron, calcium, copper and manganese from the aqueous solutions of cobalt and/or nickel
11/05/2009WO2009103025A3 Reactor for extracting metals from metal sulfide containing materials and methods of use
11/05/2009US20090272230 Recovery of Rare Earth Elements
11/05/2009CA2724024A1 Process for recovering molybdate or tungstate from aqueous solutions
11/04/2009EP2113575A1 Method of recovering molybdat and wolframat from aqueous solutions
11/03/2009CA2396445C Process for refining silver bullion with gold separation
11/03/2009CA2294373C A method and a device for recovering metals
11/02/2009CA2631190A1 Recovery of rare earth elements
10/2009
10/29/2009WO2009130345A1 Method for recovering gold using hollow-fibre membranes and dispersion-based back-extraction
10/29/2009WO2009130006A1 Green mining: process of cyanide-free bioleaching and bioadsorption of precious metals
10/29/2009WO2009129653A1 A comprehensive recovery and utilization process for laterite-nickel ore
10/29/2009US20090267275 Method and Apparatus for Separating Metal Values
10/29/2009CA2721235A1 Green mining: process of cyanide-free bioleaching and bioadsorption of precious metals
10/28/2009EP2111470A1 Recovery of lead in form of high purity lead carbonates from spent lead batteries incl. electrode paste
10/28/2009CN101565780A Smelting method of polymetallic lead-zinc sulfide ore
10/28/2009CN101565778A Method for depositing and separating tungsten and molybdenum in tungstate/molybdate mixed solution
10/28/2009CN101565777A Method capable of increasing extraction rate of zinc in ammoniacal liquid
10/28/2009CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents
10/28/2009CN101565775A Method for recovering medium-concentration and low-concentration vanadium in industrial sewage resulted from stone coal vanadium extraction
10/28/2009CN101565774A High-pressure autoclave discharging hydraulic damping balance throttle control device
10/28/2009CN100554454C Method and apparatus for recovering indium from waste liquid crystal display
10/28/2009CN100554453C Leaching method for materials after chlorination and oxidation treatment for Nickel oxide ore
10/28/2009CN100554452C Process for extracting copper by wet method from copper-containing sulfidization ore
10/28/2009CN100554451C Method for separating and reclaiming copper from cobalt chloride solution
10/28/2009CN100554446C Crystallization method for nickel chloride solution
10/28/2009CN100554445C Method for separating tantalum and niobium from potassium metatantalate and potassium metaniobate mixture
10/28/2009CN100554444C Biological extract technology for ore of cobalt nickel oxide
10/28/2009CN100554443C Method of recovering valuable metal in waste lining brick of gold silver smelting furnace
10/27/2009CA2409605C Acid stable membranes for nanofiltration
10/22/2009WO2009129271A1 System for the sustainable recovery of metals from electronic waste
10/22/2009WO2009127018A1 Method for metal leaching
10/22/2009WO2009089613A8 Liquid and solid effluent treatment process
10/21/2009CN201329270Y Stripping unit system being convenient to perform pressure safety test
10/21/2009CN101561371A Method for extracting extracellular polymeric substance on mineral surface in bioleaching process
10/21/2009CN101560670A Method for refining high nickel matte
10/21/2009CN101560613A Intensified uranium ore heap leaching method
10/21/2009CN101560608A Nitrogen-free wet-process refining method for gold-bearing materials
10/21/2009CN101560602A Method for recycling gallium from alumina seed separation mother liquid using ion exchange method
10/21/2009CN101560601A Method for improving zinc extraction yield in ammonia solution
10/21/2009CN101560600A Method for effectively improving effect of extracting zinc in ammonia solution
10/21/2009CN101560485A Moderate thermophilic enriched substance used for mineral leaching of copper pyrites
10/21/2009CN100552064C Method for leaching vanadium by adding sulfate and wet-pile oxidation conversion of ultraanthracite under atmospheric temperature and atmosphere pressure
10/21/2009CN100552062C Gold smelting boiling roasting furnace slurry type feeding producing process and its producing device
10/21/2009CN100552061C Extraction method for removing calcium and magnesium from copper-cobalt ore leachate
10/21/2009CN100552060C Process for extracting and separating nickel-molybdenum form bone coal ore by high pressure oxygen-ammonia leaching
10/21/2009CN100552059C Method for leaching indium directly from indium ore
10/20/2009US7604680 Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting
10/20/2009CA2428945C Selective precipitation of manganese from magnesium-containing solutions
10/15/2009WO2009125341A2 Microbiological mercury removal from contaminated materials
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