Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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11/03/2011 | WO2011137268A1 Method for recovering tellurium from module comprising cadmium telluride |
11/03/2011 | WO2011135991A1 Valuable metal recovery method |
11/03/2011 | WO2011134403A1 Method for extracting gallium from fly ash |
11/03/2011 | WO2011134402A1 Method for extracting gallium from fly ash |
11/02/2011 | EP2382332A1 Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chloride |
11/02/2011 | EP1644542B1 Oxidative leach process |
11/02/2011 | CN202020936U Extraction tank with rapid clarifying function |
11/02/2011 | CN102230093A Preparation method for separating and purifying single heavy rare earth by using full-extraction process |
11/02/2011 | CN102230087A Method for recovering copper from lead smelting furnace slag |
11/02/2011 | CN102230086A Process for simultaneously leaching cobalt and nickel from vulcanized slag |
11/02/2011 | CN102230084A Coated biological oxidation pretreatment method of low-level arsenic refractory gold ores |
11/02/2011 | CN102230083A Method for separating copper from lead copper matte |
11/02/2011 | CN102230082A Method for recovering rare earth and niobium from rare metallic ores |
11/02/2011 | CN102230081A Acid leaching method for extracting potassium, aluminum and silicon elements from potassium feldspar |
11/02/2011 | CN102230080A Method for zinc raw material dechlorination in zinc hydrometallurgy |
11/02/2011 | CN102230072A Roasting method for extracting vanadium from vanadium-containing shale |
11/02/2011 | CN101906542B Method for recovering germanium from flyash by wet process |
11/02/2011 | CN101906538B Method for extracting nickel and molybdenum from nickel-molybdenum symbiotic ore by low-concentration composite acid and oxidizing agent |
11/02/2011 | CN101254948B Production of pure molybdenum oxide from low grade molybdenite concentrates |
11/01/2011 | CA2617457C Method for thiosulfate leaching of precious metal-containing materials |
11/01/2011 | CA2272849C Method for phytomining of nickel, cobalt and other metals from soil |
10/30/2011 | CA2736680A1 Process for the recovery of gold using macroporous resins |
10/27/2011 | WO2011132740A1 System and method for recycling rare metals |
10/27/2011 | WO2011132729A1 Method for producing crystalline iron arsenate starting material liquid from smoke and ash |
10/27/2011 | WO2011132705A1 Treatment agent and treatment method for contaminated water containing heavy metals |
10/27/2011 | WO2011132693A1 Liquid-storage device and pressure-control method thereof |
10/27/2011 | WO2011132282A1 Device and method for recovering lithium |
10/27/2011 | WO2011130866A1 Lyophilized powder product for processes of bio-lixiviation or bio-oxidation of mixed or pure minerals, method for preparing same and method for the application of said processes |
10/27/2011 | WO2011107802A3 Recovery method of catalytic metals from oil refinery residues |
10/27/2011 | US20110259148 Method for Aqueous Gold Thiosulfate Extraction Using Copper-cyanide Pretreated Carbon Adsorption |
10/27/2011 | CA2738382A1 Method for aqueous gold thiosulfate extraction using copper-cyanide pretreated carbon adsorption |
10/26/2011 | EP2379757A2 A method for the synthesis of a radionuclide-labeled compound |
10/26/2011 | EP2379452A1 System and method for wastewater treatment |
10/26/2011 | CN102226240A Heap leaching process for arsenium/stibium-containing refractory fine-grain gold oxide ore and leach liquor thereof |
10/26/2011 | CN102226238A Process for efficiently removing iron from laterite leach liquor |
10/26/2011 | CN102226237A Method for extracting ammonium metavanadate, silica white and coal powder from vanadium-containing coal gangue |
10/26/2011 | CN102226236A Hydrometallurgical method for comprehensively recycling components in lateritic nickel ore as products |
10/26/2011 | CN102226235A Method for producing manganese electrolyte by using continuous countercurrent leaching |
10/26/2011 | CN102226234A Integrated reactor suitable for purifying and impurity-removing of pyrolusite leachate |
10/26/2011 | CN102226232A Method for processing laterite-nickel ore |
10/26/2011 | CN101914676B Manganese oxide mineral sulfur-based fire reduction method |
10/26/2011 | CN101787451B Method for improving efficiency of acidic organophosphorus extractant for extraction separation of rare-earth elements |
10/26/2011 | CN101760653B Method for recovering germanium from zinc dross |
10/26/2011 | CN101760621B Device for leaching manganese ore to remove iron and iron removing method thereof |
10/26/2011 | CN101698904B Method for extracting sulfide minerals of nonferrous metals and method for recycling sulfur in extracted filtered residues thereof |
10/26/2011 | CN101617067B Method of recovering valuable metal from scrap containing conductive oxide |
10/25/2011 | US8043399 Process for rapid microwave-enhanced detoxification of CCA-treated wood |
10/20/2011 | WO2011129395A1 Plant for wet smelting of laterite nickel ore and method of operating same |
10/20/2011 | WO2011128061A1 Functionalised materials and uses thereof |
10/20/2011 | WO2011098979A3 Radioresistant alga of the coccomyxa genus |
10/19/2011 | EP2377955A1 Method of electrochemical dissolution of ruthenium-cobalt-based alloy |
10/19/2011 | EP2376665A1 Recovery of cobalt and pgm metals from cobalt alloys containing precious metals by selective dissolution |
10/19/2011 | CN102220500A Method for producing ammonium molybdate from molybdenum-bismuth bulk concentrates of high impurity content and low grade |
10/19/2011 | CN102220499A Roasting-leaching method of fine vanadium slags |
10/19/2011 | CN102220498A Method for preparing fine vanadium slag |
10/19/2011 | CN102220497A Equipment for preparing fine vanadium slag |
10/19/2011 | CN102220495A Method for purifying vanadium-precipitating mother liquor |
10/19/2011 | CN102220494A Method for separating palladium and copper from solution containing copper, cobalt and nickel by taking acylthiourea as extractant |
10/19/2011 | CN102220493A Method and device for purifying zinc sulfate solution based on action of cavitation effect |
10/19/2011 | CN102220492A Neutralization and reduction treatment device and method for extraction solution from acid extraction of vanadium from bone coal |
10/19/2011 | CN102220491A Method for recovering manganese from manganese ore, manganese tailing and manganese slag through continuous pressurization and acid leaching process |
10/19/2011 | CN102220490A Production method for electrolytic manganese dioxide |
10/19/2011 | CN102220489A Method for extracting tellurium from copper anode sludge |
10/19/2011 | CN102220488A Method for separating tombarthite from phosphorus ore |
10/19/2011 | CN102220487A Method for extracting vanadium and aluminum from vanadium-containing stone coal and clay vanadium ore |
10/19/2011 | CN102220483A Two-stage roasting treatment method for laterite nickel ore |
10/19/2011 | CN102220482A Complex high-silicon copper-cobalt alloy alkaline pretreatment-normal pressure acid leaching process |
10/19/2011 | CN102220478A Preparation method for vanadium pentoxide |
10/19/2011 | CN102218437A Recovery method for waste circuit board |
10/19/2011 | CN101476041B Method for separating and recycling copper, nickel and regenerative plastic from waste electroplating plastic |
10/19/2011 | CN101054630B Integrated treatment method for the three wastes generated form method of extracting vanadium pentoxide from stone-like coal navajoite |
10/18/2011 | US8038767 Method of recovering metal values from ores |
10/18/2011 | CA2465509C Recovery of copper from chalcopyrite |
10/13/2011 | WO2011126375A1 Extraction of elements from carbonate-containing minerals |
10/12/2011 | EP2373822A2 System and method for wastewater treatment |
10/12/2011 | EP2373821A2 System and method for wastewater treatment |
10/12/2011 | EP2373586A1 System and method for wastewater treatment |
10/12/2011 | CN102212709A Method for extracting vanadium by calcining vanadium-containing stone coal powder in calciner and pickling |
10/12/2011 | CN102212708A Roasting-free wet vanadium extraction process for vanadium-containing mineral |
10/12/2011 | CN102212701A Method for recovering metallic copper and zinc from copper smelting ash |
10/12/2011 | CN102212700A Method for producing high-purity anhydrous zinc chloride |
10/12/2011 | CN102212698A Method for recovering nickel sulfate through comprehensive treatment of nickel-containing waste |
10/12/2011 | CN102212697A Tungsten slag treatment method |
10/12/2011 | CN102212695A Method for utilizing straw to refine meal and realize poly-generation |
10/12/2011 | CN102212694A Method for extracting valuable metal from waste hydrogenation catalyst |
10/12/2011 | CN102212693A Process for preparing silver nitrate and aluminum nitrate nonahydrate from waste silver catalyst of ethylene oxidation method |
10/12/2011 | CN102212690A Method for purifying lateritic nickel ore leach liquor |
10/12/2011 | CN102212689A Method for removing chromium and recycling nickel by oxidizing nickel/chromium-containing aqueous solution |
10/12/2011 | CN102212688A Application of 2-hydroxy-5-nonylacetophenone oxime (HNAO) in efficient extractant |
10/12/2011 | CN102212687A Application of 2-hydroxy-5-nonylacetophenone oxime (HNAO) in novel efficient extractant |
10/12/2011 | CN102212686A Demulsifying method in copper extraction process of ammonia-ammonium coupled leaching system |
10/12/2011 | CN102212685A Liquid-liquid-liquid three-phase extraction and separation method of enriched iron in middle phase |
10/12/2011 | CN102212684A Method for wet-leaching lateritic-nickel ore at transition layer |
10/12/2011 | CN102212683A Wet metallurgical method with comprehensive reclamation, basically no three wastes and zero discharge |
10/12/2011 | CN102212676A Process for producing electrolytic manganese metal by using charcoal powder to reduce and convert manganese oxide ore |
10/12/2011 | CN102212674A Process for comprehensively recovering liquid alkali roasting resource of mixed rare earth concentrate |
10/12/2011 | CN102211956A Utilization method of middle-low grade phosphate ore containing rare earth |
10/12/2011 | CN102210991A Manganese ore pulp stirring paddle with long service life |
10/12/2011 | CN101643852B Heap-leaching method for separating copper and tin from tin-plated copper wires |
10/12/2011 | CN101351567B Method for recovering rare metals in zinc leaching process |