| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 11/20/2013 | CN203295581U Oxidation tank with adjustable aeration position |
| 11/20/2013 | CN203295580U Oxidation tank beneficial to sufficient mixing of materials |
| 11/20/2013 | CN103397212A Membrane technology-based ionic rare earth ore extraction technology and device therefor |
| 11/20/2013 | CN103397211A Rapid method for destroying structure of cathode-ray tube phosphor waste material |
| 11/20/2013 | CN103397210A Constant-temperature constant-pH-value stone coal vanadium extraction agitation leaching tank |
| 11/20/2013 | CN103397207A Method for obtaining metal from waste catalyst |
| 11/20/2013 | CN103397206A Method for wet processing of antimony trioxide powder with high arsenic content |
| 11/20/2013 | CN103397201A Method for statically leaching and extracting potassium from polyhalite and preparing potassium sulphate |
| 11/20/2013 | CN103397195A Recovery device and recovery method of metallic copper of waste printed circuit board |
| 11/20/2013 | CN103397190A Method for producing high-purity gold and copper sulphate from gold-bearing copper sludge |
| 11/20/2013 | CN103397189A Method for recovering silver or other metals from silver-containing wastes |
| 11/20/2013 | CN103397186A Regenerating method and process for recycling rare precious metals from electronic wastes |
| 11/20/2013 | CN103397185A Method for calcium removal during iron precipitation of nickel sulfate solution containing iron and free sulfuric acid |
| 11/20/2013 | CN103397184A Method for separating uranium and iron from tertiary amine organic phase by back extraction |
| 11/20/2013 | CN103397183A Extraction method for rare-earth oxide from ionic adsorption type rare earth ore |
| 11/20/2013 | CN103397182A Method for efficiently recycling bismuth from monomer bismuth ore |
| 11/20/2013 | CN103397181A Recovery process for associated metal elements in iron mines |
| 11/20/2013 | CN103397180A Method for recovering tellurium, bismuth, antimony, and copper from complex material |
| 11/20/2013 | CN103396964A Compound bacterium community capable of efficiently leaching sulphide ore, and compounding method and application method thereof |
| 11/20/2013 | CN102876892B Method for leaching nickel and cobalt form low-iron and high-magnesium and high-iron and low-magnesium laterite-nickel ore by using waste dilute sulphuric acid |
| 11/20/2013 | CN102703703B Continuous ion exchange device and method for removing boron from salt lake magnesium chloride brine |
| 11/20/2013 | CN102676853B Rare earth separation method with material linkage cyclic utilization function |
| 11/20/2013 | CN102634656B Method for preparing electrolytic manganese/electrolytic manganese dioxide by cyclically leaching manganese oxide with sulfur and calcium |
| 11/20/2013 | CN102517451B Method for recovering tellurium copper from tellurium slag |
| 11/20/2013 | CN102321802B New method for extracting gallium from Bayer mother liquor through chelating resin |
| 11/19/2013 | US8585991 Method for recovering indium, silver, gold and rare, precious and base metals from complex oxide and sulfide ores |
| 11/14/2013 | WO2013169540A1 System and method for separating liquid mixtures |
| 11/14/2013 | WO2013167714A1 Gold recovery |
| 11/14/2013 | WO2013166789A1 Cadmium removing process in zinc-containing solution purification and purification method of zinc-containing solution |
| 11/14/2013 | WO2013166585A1 Detection and recovery of chemical elements from fluids with tectrabrachion |
| 11/14/2013 | US20130302224 Selective Regeneration of Isotope-Specific Media Resins in Systems for Separation of Radioactive Isotopes from Liquid Waste Materials |
| 11/13/2013 | EP2661513A1 Dissolution and recovery of at least one element nb or ta and of at least one other element u or rare earth elements from ores and concentrates |
| 11/13/2013 | CN203284447U System used for recovering lithium, rubidium and / or cesium from lepidolite ore |
| 11/13/2013 | CN103392018A Method for extraction and separation of lanthanoid elements and actinoid elements, and means for extraction and separation of lanthanoid elements and actinoid elements |
| 11/13/2013 | CN103392016A Method for leaching copper oxide, replacing sulfuric acid with a non-polluting organic leaching agent |
| 11/13/2013 | CN103388086A Method for extracting germanium from germanium-containing abandoned element |
| 11/13/2013 | CN103388080A Method for recovering and separating platinum and palladium from palladium-based adsorption net |
| 11/13/2013 | CN103388076A Method for recovering elementary substance arsenic from arsenic sulfide slag |
| 11/13/2013 | CN103388074A Method for treating spent tin stripping solution of waste circuit board |
| 11/13/2013 | CN103388073A Two-stage acid leaching washing pressure filtration process and device of metal acid leaching solution |
| 11/13/2013 | CN102912127B Local-stage aqueous-phase inner circulation device with box-type extraction tank |
| 11/13/2013 | CN102628109B Complexing germanium depositing agent and application in germanium enriching in germanium-containing ore solution thereof |
| 11/13/2013 | CN102277491B Novel process for extracting gallium from Bayer mother solution by using chelating resin |
| 11/13/2013 | CN102037160B Electrochemical process for the recovery of metallic iron and chlorine values from iron-rich metal chloride wastes |
| 11/07/2013 | WO2013165735A1 Nickel and cobalt recovery using continuous ion exchange |
| 11/07/2013 | WO2013164429A1 Enzymatic solubilization of metals |
| 11/07/2013 | WO2013163712A1 Sulfide ore leaching process |
| 11/07/2013 | WO2012119174A3 Metal separation method |
| 11/06/2013 | EP2659964A1 Method for collecting precious metals from solution containing precious metal ions, extractant or adsorbent used therefor, and back extractant or desorbent |
| 11/06/2013 | CN103382532A Comprehensive utilization method for extraction separation of dolomite in rare earth |
| 11/06/2013 | CN103382531A Method for enriching gallium from mother-liquor in technology for producing alumina from high-alumina fly ash |
| 11/06/2013 | CN103382530A Process for the recovery of titanium in mixed chloride media |
| 11/06/2013 | CN103382523A Preparation method of precursor for removing iron from hydrometallurgical acidic leaching solution by magnetized flocculation method |
| 11/06/2013 | CN103014343B Process for recycling ammonium tungstate from ammonium paratungstate crystallization mother liquor |
| 11/06/2013 | CN102936665B Method for extracting rare earth elements |
| 11/06/2013 | CN102925719B Method for deep recovery of antimony from arsenic alkali residue leaching solution by using electric potential control |
| 11/06/2013 | CN102925683B Indium-iron separation method by using persimmontannin |
| 11/06/2013 | CN102719673B Reactor for continuously leaching valuable metal of electroplating sludge and leaching method thereof |
| 11/06/2013 | CN102676811B Method and system for extracting EuCl3-rich solution |
| 11/06/2013 | CN102634664B Treatment method of copper clad aluminum lead wire wastes |
| 11/06/2013 | CN102465204B Method for preparing niobium pentoxide with high apparent density |
| 11/06/2013 | CN101945690B Multi-column sequenced separation process for separating an ionic metal derivative |
| 11/06/2013 | CN101815691B A micronutrient fertilizer and method for producing same |
| 11/05/2013 | US8574517 Method and device for separation of recoverable material from products containing mercury |
| 11/05/2013 | US8574341 Method for recycling metals from waste tungsten catalysts |
| 11/05/2013 | US8574339 Method for the selective acidic dezincification of steel scrap |
| 10/31/2013 | WO2013161599A1 Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclave |
| 10/31/2013 | WO2013159194A1 Processes for preparing lithium hydroxide |
| 10/31/2013 | US20130288330 Capsule for non-ferrous metal collection and method of collecting non-ferrous metal |
| 10/31/2013 | US20130287621 Method for Recovering Valuable Material from Lithium-Ion Secondary Battery, and Recovered Material Containing Valuable Material |
| 10/31/2013 | US20130283978 Composition for collecting metal component |
| 10/31/2013 | US20130283976 Chloride process for the leaching of gold |
| 10/30/2013 | EP2655678A2 Protective system and chemical agents for leaching polycrystalline diamond elements and for recovery of leached materials |
| 10/30/2013 | CN203256350U Device for purifying copper ions in zinc electrolyte by using sulfur dioxide and for producing byproduct cuprous oxide |
| 10/30/2013 | CN203256315U Cyanide leaching tank |
| 10/30/2013 | CN103380219A Method for collection of ruthenium or ruthenium compound |
| 10/30/2013 | CN103374662A Device for recycling waste residues containing barium comprehensively during refined aluminum production process |
| 10/30/2013 | CN103374659A Method for extracting and recovering precious metal and rare metal from wastes |
| 10/30/2013 | CN103374656A Technique for recycling nickel, ferrum and cobalt from nickel oxide ore |
| 10/30/2013 | CN103374655A Wet-method copper extraction process |
| 10/30/2013 | CN103374652A Method for comprehensively recycling rare earth and fluorine in process of treating bastnaesite |
| 10/30/2013 | CN102851502B Method for extracting and separating beryllium |
| 10/30/2013 | CN102690946B Method for comprehensively extracting valuable metals from tellurium-containing polymetallic materials |
| 10/30/2013 | CN102648298B Method for removal of chloride from zinc sulphate solution |
| 10/30/2013 | CN102534224B Method for separating heavy metal components from solid waste |
| 10/30/2013 | CN102443700B Method for recovering nickel from nickel-laterite leaching solution and device |
| 10/30/2013 | CN102027144B System for decreasing amount of organic solution in liquid-liquid extraction process |
| 10/29/2013 | CA2577820C Separation apparatus |
| 10/29/2013 | CA2538962C Process for recovering value metal species from laterite-type feedstock |
| 10/24/2013 | US20130281726 Method for recovering precious metal from solution containing precious metal ions, extracting agent or adsorbent used therefor, and back-extracting agent or desorbent |
| 10/24/2013 | US20130277220 Method for Manufacturing Adsorptive Ball for Recovering Precious Metals and Flow Through-Continous Deionization (FT-CDI) Apparatus Using the Same |
| 10/23/2013 | EP2653573A1 Method for separating positive-pole active substance and method for recovering valuable metals from lithium ion battery |
| 10/23/2013 | EP2651575A2 System and method for collecting compounds in the ground |
| 10/23/2013 | CN103370428A Method for enrichment-recovering ferronickel from raw material containing nickel, method for recovering nickel from enriched ferronickel, and method for recycling solution containing iron produced from same |
| 10/23/2013 | CN103361500A Separation method of rhenium in rhenium-containing molybdenum calcine |
| 10/23/2013 | CN103361498A Method for separating impurities from rare earth in rare-earth-ore leaching solution to purify rare earth |
| 10/23/2013 | CN103361495A Method for extracting niobium from Bayan Obo mine tailing |
| 10/23/2013 | CN103361488A Recycling method of scandium in titanium white waste water |
| 10/23/2013 | CN103361485A Technology for comprehensively recycling rare noble metals in waste LED (light-emitting diode) |
| 10/23/2013 | CN103361483A Technology for removing cobalt by dynamic wave chlorine oxidation |