| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 04/03/2013 | CN103014214A Method for realizing combined extraction of iron and aluminum oxide in iron-aluminum complex ore |
| 04/03/2013 | CN103013847A Ammonia-producing mineral leaching bacterium JAT-1 as well as culture method and application of ammonia-producing mineral leaching bacterium JAT-1 |
| 04/03/2013 | CN103007871A Application of barium sulfate nano-particle and aggregate of barium sulfate nano-particle in CrO4<2-> absorption |
| 04/03/2013 | CN102690959B Comprehensive utilization method of reverse flotation products of calcium and magnesium carbonates in mixed copper ores |
| 04/03/2013 | CN102345015B Method for removing thallium in process of producing refined cadmium with high-temperature dust generated by acid preparing system |
| 04/03/2013 | CN102329966B Wet treatment process of refining slag from Kaldo furnace |
| 04/03/2013 | CN102321803B Method for removing chloride ion from waste molasses for manganese dioxide reduction |
| 04/03/2013 | CN102161015B Bubble treatment method of flotation gold concentrate microbiological oxidation pretreatment process and microbiological oxidation reactor |
| 04/03/2013 | CN102031381B Process for preparing sodium pyroantimonate from arsenic- and stibium-containing smoke ash |
| 04/02/2013 | US8409493 Systems and methods for leaching a material from an object |
| 04/02/2013 | US8409321 Method and apparatus for leaching metal from mining ore |
| 04/02/2013 | CA2732486C Recovery method for cobalt |
| 03/28/2013 | WO2013042340A1 Method for metal recovery or removal and method for producing lipids or pigment |
| 03/28/2013 | WO2013040694A1 Process for upgrading tantalum and niobium ores and concentrates with the recovery of manganese and rare earths oxides |
| 03/28/2013 | WO2013040658A1 Method for controlling emissions |
| 03/28/2013 | WO2012140284A8 Hydrometallurgical method for the recovery of zinc in sulphuric medium starting from sulphudic zinc concentrates |
| 03/28/2013 | US20130078167 Method of metals recovery from refinery residues |
| 03/28/2013 | US20130074655 Method and a system for gold extraction with halogens |
| 03/28/2013 | CA2849787A1 Process for upgrading tantalum and niobium ores and concentrates with the recovery of manganese and rare earths oxides |
| 03/27/2013 | EP2573197A1 Method for controlling reaction in sulfuration reaction step |
| 03/27/2013 | EP2573196A1 Method and apparatus for extracting precious metal from an inorganic granular waste catalyst |
| 03/27/2013 | EP2572806A1 Method of recovering heavy metal and reagent for recovery of heavy metal for use in the same |
| 03/27/2013 | EP2572007A1 Solvent extraction process for separating cobalt from nickel in aqueous solution |
| 03/27/2013 | EP2572006A1 Method for the extraction and recovery of vanadium |
| 03/27/2013 | CN103003454A Solvent extraction process for separating cobalt from nickel in aqueous solution |
| 03/27/2013 | CN102994781A Method for separation and purification of thorium |
| 03/27/2013 | CN102994778A Method for separating and enriching cobalt from leach liquor used for pickling and vulcanizing tailing |
| 03/27/2013 | CN102994773A Method for recovering platinum group metal from ferrous nickel electrolysis anolyte |
| 03/27/2013 | CN102994761A Method for purifying and recovering crude chromium and nickel products by cascade extraction method |
| 03/27/2013 | CN102994754A Technology for comprehensively recovering complex material containing lead, bismuth, cobalt and nickel through wet method |
| 03/27/2013 | CN102994753A Method for separating and enriching nickel from leach liquor used for pickling and vulcanizing tailing |
| 03/27/2013 | CN102994752A Method for selective precipitation separation of nickel and manganese by utilizing CO2 gas |
| 03/27/2013 | CN102994751A Method for reducing concentration of calcium ions in calcium-containing solution |
| 03/27/2013 | CN102994750A Rare earth saponification method of acidic complex extraction organic phase |
| 03/27/2013 | CN102994749A Micro-negative pressure extraction tank of nonferrous industry |
| 03/27/2013 | CN102994748A Fixed-bed adsorption method for removing boron from salt lake magnesium chloride brine |
| 03/27/2013 | CN102994747A Technology for recovering metallic copper from high-lead copper matte |
| 03/27/2013 | CN102994746A Method for producing nickel sulfide ore concentrate by use of industrial waste acid |
| 03/27/2013 | CN102994745A Leaching method of associated metallic element aluminum of coal measure strata |
| 03/27/2013 | CN102994744A Technology for processing lead copper matte by ferric chloride |
| 03/27/2013 | CN102994739A Chemical metallurgy comprehensive utilization method for high-iron low-tin copper ores |
| 03/27/2013 | CN102534229B Method for selectively leaching vanadium from vanadium-bearing converter slag |
| 03/27/2013 | CN102333895B Filter bag for bayer liquor filtration |
| 03/26/2013 | US8404019 Chemical agents for recovery of leached materials |
| 03/21/2013 | WO2013037054A1 Processes for preparing alumina and various other products |
| 03/21/2013 | US20130068697 Process for depleting calcium and/or iron from geothermal brines |
| 03/21/2013 | CA2848751A1 Processes for preparing alumina and various other products |
| 03/20/2013 | CN202808914U Reaction kettle |
| 03/20/2013 | CN102978421A Indium extraction method of ferrous iron-rich zinc oxide acid supernatant |
| 03/20/2013 | CN102978411A Comprehensive recycling method for crude indium casting slag |
| 03/20/2013 | CN102978410A Method for recovering indium back-extraction liquid purification residue |
| 03/20/2013 | CN102978408A Method for leaching and recovering indium from zinc oxide flue dust through mechanical activation two-stage wet method |
| 03/20/2013 | CN102978406A Regeneration method for rhenium-containing high-temperature alloy scrap |
| 03/20/2013 | CN102978403A Device for recovering precious metal through ethylenediaminedisuccinic acid |
| 03/20/2013 | CN102978402A Method for treating waste zinc-manganese battery |
| 03/20/2013 | CN102978400A Method for recovering rare noble metal from waste water slag of process of producing silver and selenium |
| 03/20/2013 | CN102978399A Method for producing low chloride fine particle high purity rare earth compound through ultrasonic-assisted oxalate deposition |
| 03/20/2013 | CN102978398A Method for obviously lowering chlorine content in process of carbonic acid rare earth crystallization |
| 03/20/2013 | CN102978397A Removal method of arsenic from arsenic-containing waste liquid with high acidity |
| 03/20/2013 | CN102978396A Organic phase washing method and device |
| 03/20/2013 | CN102978395A Method for separating and enriching Cu and Co from sulfate diluted solution containing Co |
| 03/20/2013 | CN102978394A Method for reinforcing bacterial oxidation of high-sulfur concentrates |
| 03/20/2013 | CN102978393A Method for comprehensively recovering valuable elements in copper-containing gold ores |
| 03/20/2013 | CN102978392A Microwave-assisted low-temperature acid pickling method of rare-earth ore concentrate |
| 03/20/2013 | CN102978391A Technology for zinc wet-process clean smelting and resource comprehensive recycling |
| 03/20/2013 | CN102978390A Method for leaching and recovering silver from zinc calcine leaching slag through mechanical activation and thiocarbamide method |
| 03/20/2013 | CN102978389A Leaching method for vanadium in vanadium-containing stone coal |
| 03/20/2013 | CN102978388A Ammonia leaching pretreatment process of molybdenum concentrate or molybdenic acid filter cake |
| 03/20/2013 | CN102978379A Leaching method of associated rare earth elements of coal measure strata |
| 03/20/2013 | CN102978378A Leaching method of associated titanium deposit metallic titanium of coal measure strata |
| 03/20/2013 | CN102976446A Method for synchronously removing and stepwise recovering sulfoacid dye and heavy metal ion through resin |
| 03/20/2013 | CN102392128B Acid adding device with accurate and automatic pH value control function |
| 03/20/2013 | CN102337228B Thermoacidophile and low grade chalcopyrite ore microbe stepwise leaching process |
| 03/20/2013 | CN102312094B Method for extracting uranium from uranium-contained niobium-tantalum leached tailings |
| 03/20/2013 | CN102304617B In-situ combined soaking energy-saving benefication system for high-oxidation high-combination oxide and sulfide mixed copper ore |
| 03/20/2013 | CN102296174B Energy-saving combined ore dressing process for high-oxidation and high-bonding oxygen and sulfur mixed copper ore |
| 03/20/2013 | CN102277315B Compound generated by marine Streptomyces sp. and application thereof |
| 03/20/2013 | CN102251108B Pre-processing method of highly alkaline sulfide ore heap bioleaching |
| 03/20/2013 | CN102226237B Method for extracting ammonium metavanadate, silica white and coal powder from vanadium-containing coal gangue |
| 03/20/2013 | CN102134641B Gold extraction process of gold concentrate with high carbon, arsenic and sulfur |
| 03/20/2013 | CN102071325B Neutralization process for wet-process zinc smelting high-acid-leaching low-pollution vanadium precipitation process |
| 03/20/2013 | CN102031369B Method for extracting uranium by using ion exchange fixed tower under alternate Ph condition |
| 03/20/2013 | CN101845562B Improved device and method for producing electrolytic manganese metal by two-ore method |
| 03/14/2013 | WO2013036440A1 Processes for recovering organic solvent extractant from solid-stabilized emulsions formed in hydrometallurgical solvent extraction circuits |
| 03/14/2013 | WO2013035301A1 Precious-metal adsorbent and method for recovering precious metal |
| 03/14/2013 | US20130061719 Production of metal products directly from underground ore deposits |
| 03/14/2013 | CA2847497A1 Processes for recovering organic solvent extractant from solid-stabilized emulsions formed in hydrometallurgical solvent extraction circuits |
| 03/14/2013 | CA2791056A1 A method and a system for gold extraction with halogens |
| 03/13/2013 | EP2566816A1 Flocculation assistant for titanium dioxide production |
| 03/13/2013 | CN202786367U Rare earth ore dissolving device |
| 03/13/2013 | CN102971439A Method of metals recovery from refinery residues |
| 03/13/2013 | CN102965520A Method for separating and enriching copper in leachate of acid leaching sulfide mine tailing |
| 03/13/2013 | CN102965516A Method capable of recovering manganese out of slag |
| 03/13/2013 | CN102965513A Method capable of recovering nickel out of spent catalysts |
| 03/13/2013 | CN102965512A Method capable of recovering cobalt from spent catalysts |
| 03/13/2013 | CN102965507A One-step two-stage method for removing cadmium ion in high-cadmium zinc sulfate solution |
| 03/13/2013 | CN102965506A Method for removing aluminum from rare earth solution by benzoate precipitation method |
| 03/13/2013 | CN102965505A One-step method for removing manganese and cobalt impurities in zinc sulfate solution |
| 03/13/2013 | CN102965504A Method for removing harmful chloride ion in zinc sulfate solution |
| 03/13/2013 | CN102965503A Separation and purification method of ruthenium in irradiation uranium target |