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