| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
|---|
| 12/05/2012 | CN102808084A Method for enriching platinum and palladium from pressurized cyanating solution |
| 12/05/2012 | CN102808083A Cadmium removing process for use in zinc liquid purification and zinc liquid purifying method |
| 12/05/2012 | CN102808082A Method for selective leaching separation of cobalt, nickel and molybdenum from high grade cobalt-nickel-molybdenum waste material |
| 12/05/2012 | CN102260792B Method for extracting vanadium by heap leaching and adding concentrated sulfuric acid and additive in vanadium-containing stone coal |
| 12/05/2012 | CN102220492B Neutralization and reduction treatment device and method for extraction solution from acid extraction of vanadium from bone coal |
| 12/05/2012 | CN102115890B Total recycling method of PCB (printed circuit board) nitric acid type tin-lead stripping waste liquid |
| 12/05/2012 | CN102061390B Method for directly producing high-purity electronic level cobaltous sulfate by using cobalt-containing waste |
| 12/05/2012 | CN101565775B Method for recovering medium-concentration and low-concentration vanadium in industrial sewage resulted from stone coal vanadium extraction |
| 12/04/2012 | US8323377 Recovery of metals from oxidised metalliferous materials |
| 12/04/2012 | CA2699893C Controlled copper leach recovery circuit |
| 12/04/2012 | CA2664756C Method for thiosulfate leaching of precious metal-containing materials |
| 11/29/2012 | WO2012162509A2 Recovering valuable mined materials from aqueous wastes |
| 11/29/2012 | WO2012161216A1 Complex and uses thereof |
| 11/29/2012 | US20120301392 Heap Leaching |
| 11/29/2012 | US20120301374 Process for the production of a uranium trioxide yellowcake from a uranium peroxide precipitate |
| 11/28/2012 | EP2527032A1 Metal-ion adsorbent and method for recovering metal using same |
| 11/28/2012 | CN202558902U Main shaft of tombarthite extraction flowmeter |
| 11/28/2012 | CN202558901U Water seal device with water retaining ring in mixing chamber of rare earth extraction tank body |
| 11/28/2012 | CN102803524A Method for leaching chalcopyrite concentrate |
| 11/28/2012 | CN102797018A Method for separating and purifying platinum by adopting holding potential |
| 11/28/2012 | CN102796888A Process for extracting rare earth from phosphate concentrate |
| 11/28/2012 | CN102796880A Method and equipment for extracting manganese from manganese alloy smelting slag |
| 11/28/2012 | CN102796877A Method for enriching rhodium from rhodium-containing organic dead catalyst |
| 11/28/2012 | CN102796876A Method for extracting scandium oxide from titanium slag chloride waste |
| 11/28/2012 | CN102796873A Method for comprehensively recovering metallic cobalt, ruthenium and aluminum from Fischer-Tropsch synthesis dead catalyst Co-Ru/Al2O3 |
| 11/28/2012 | CN102796871A Method for treating cast of lead anode plate in electro-deposit copper |
| 11/28/2012 | CN102796869A Method for removing chlorine in zinc sulfate solution with high chlorine content |
| 11/28/2012 | CN102796868A Production process for directly leaching zinc from zinc sulfide concentrate |
| 11/28/2012 | CN102796867A Method for removing impurities from ionic rare-earth ore |
| 11/28/2012 | CN102796864A Method for activating and dissolving insoluble noble metal rhodium |
| 11/28/2012 | CN102212685B Liquid-liquid-liquid three-phase extraction and separation method of enriched iron in middle phase |
| 11/28/2012 | CN102206752B Method for removing organic matter contained in supernatant liquor obtained from zinc hydrometallurgy through active carbons |
| 11/28/2012 | CN102181636B Modified beta-diketone extracting agent |
| 11/28/2012 | CN102154545B Low nickel matte high-temperature oxygen pressure water leaching process |
| 11/28/2012 | CN102127655B Method for decomposing vanadium slag under normal pressure with sodium hydroxide solution |
| 11/28/2012 | CN102031366B Extractive preparation method of high-purity zinc oxide |
| 11/28/2012 | CN101914679B Method for preparing lanthanum-enriched rare earth chloride from bastnaesite |
| 11/28/2012 | CN101821202B Method for treatment of arsenic-containing nonferrous smelting intermediate product |
| 11/27/2012 | CA2500944C Introduction of microorganisms in bio-assisted heap leaching operations |
| 11/21/2012 | CN202543284U Automatic control system for rare earth precipitation process |
| 11/21/2012 | CN202543283U System for extracting EuCl3 rich solution |
| 11/21/2012 | CN202543282U Flow control equipment for thin rare earth chloride in rare earth |
| 11/21/2012 | CN202543281U Pipeline for discharging ore pulp in reactor in process of zinc and nickel smelting implemented by using wet method |
| 11/21/2012 | CN202543280U Rare-earth extraction tank heating equipment |
| 11/21/2012 | CN102791891A Method and apparatus for leaching metal from mining ore |
| 11/21/2012 | CN102787243A Method for recycling germanium from zinc distillation residues |
| 11/21/2012 | CN102787242A Method for recovering germanium and indium from germanium-containing material generated from lead and zinc smelting process |
| 11/21/2012 | CN102787241A Method for extracting and recycling indium from chlorination distillation residue liquid generated after germanium extraction of germanium ore concentrate |
| 11/21/2012 | CN102787239A Technology for separating Cu-Pb-Zn-containing soot by alkali method |
| 11/21/2012 | CN102787238A Recycling method of raffinate during vanadium extraction from stone coal |
| 11/21/2012 | CN102787237A Process for recovering iron, copper, zinc, and lead in copper tailing by leaching |
| 11/21/2012 | CN102787236A Ion-absorbing type rare earth in-situ mineral leaching mother liquor recovery process |
| 11/21/2012 | CN102787235A Extractant of base metal element active state, preparation method and extraction method |
| 11/21/2012 | CN102787194A Method for preparing titanium-rich material by directly reducing molten slag from vanadium-titanium-ferrum concentrate |
| 11/21/2012 | CN102230081B Acid leaching method for extracting potassium, aluminum and silicon elements from potassium feldspar |
| 11/21/2012 | CN102191374B Method for recycling traditional chromium residue |
| 11/21/2012 | CN102094128B Method for comprehensively recovering various valuable metals from germanium-containing material by wet process |
| 11/21/2012 | CN102051483B Method for reclaiming metals from molybdenum-containing waste catalyst |
| 11/21/2012 | CN102051478B Wet process for treating lead copper matte |
| 11/21/2012 | CN102041383B Method for online saponification and Ca<2+> removal of extracting agent used for rare earth separation |
| 11/21/2012 | CN102021337B Innovative new technology of preparing gallium using ion exchange method |
| 11/20/2012 | US8313653 Method of removing iron and calcium from a geothermal brine |
| 11/20/2012 | CA2565637C A method for the removal of uranium(vi) species in the form of uranyl complexes from waters |
| 11/15/2012 | WO2012151721A1 Wet process for pretreating carbonaceous refractory gold concentrate ore |
| 11/15/2012 | WO2012106831A3 Method and system for the solar heap leaching of minerals, using solar concentrating collectors, based on fresnel lenses with solar tracking |
| 11/15/2012 | WO2012098126A3 Method for obtaining elements or element compounds from the intermediate products or by-products obtained during the production of titanium dioxide |
| 11/14/2012 | CN102782165A Oxygen torch waste reclamation system and acid recovery |
| 11/14/2012 | CN102781848A Method for wastewater treatment for wastewater containing aluminum, magnesium and manganese |
| 11/14/2012 | CN102781566A Reactor and a method of purifying a process solution |
| 11/14/2012 | CN102776375A Method for recycling rare earths from waste neodymium-iron-boron material |
| 11/14/2012 | CN102776374A Treatment method of nickel-cadmium slag |
| 11/14/2012 | CN102776373A Method for extracting and separating uranyl ions from water phase containing zirconium ions and lanthanide ions |
| 11/14/2012 | CN102776372A Method for coextracting uranium, plutonium and neptunium |
| 11/14/2012 | CN102776371A Method for the separation of monovalent metals from multivalent metals |
| 11/14/2012 | CN102776370A Technological method for leaching manganese ore with high spent acid |
| 11/14/2012 | CN102776369A Iron removing method in process for extracting-electrowinning copper metal by using high-iron and low-copper material liquid |
| 11/14/2012 | CN102776368A Lead and zinc tailing recycling method |
| 11/14/2012 | CN102776367A Method for demagging ground phosphorite and preparing MgHPO4.3H2O |
| 11/14/2012 | CN102776366A Process for decomposing waste rare earth luminescent materials by two times of acidolysis |
| 11/14/2012 | CN102776357A Method for processing lateritic nickel ore by microwave-ammonia leaching |
| 11/14/2012 | CN102277483B Method for preparing rare earth chloride by using Baiyunebo rare earth concentrate |
| 11/14/2012 | CN102220495B Method for purifying vanadium-precipitating mother liquor |
| 11/14/2012 | CN102168176B Comprehensive recycling process for valuable metal roasting-cyaniding gold-containing tailing |
| 11/14/2012 | CN102102085B Acidithiobacillus thiooxidans and heap leaching technology using same of middle-grade and low-grade phosphate ore |
| 11/14/2012 | CN101842504B Processes for extracting aluminum from aluminous ores |
| 11/14/2012 | CN101824535B Process for gathering trace rare earth from phosphoric acid by using centrifugal extracting equipment |
| 11/14/2012 | CN101583728B Sulfidisation process and apparatus for enhanced recovery of oxidised and surface oxidised base and precious metal minerals |
| 11/14/2012 | CN101356292B Combined leaching process |
| 11/14/2012 | CN101260465B Method for improving biological leaching speed of metallic sulphide ore or concentrate by using leaching liquid containing separated microorganism to inoculate continuously |
| 11/08/2012 | WO2012149642A1 Processes for recovering rare earth elements from various ores |
| 11/08/2012 | WO2012149631A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores |
| 11/08/2012 | WO2012132107A9 Method for producing and method for isolating/purifying niobium |
| 11/08/2012 | US20120282156 Modification of copper/iron selectivity in copper solvent extraction systems |
| 11/08/2012 | US20120279358 Process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues |
| 11/08/2012 | DE102011000955A9 Verfahren zur Rückgewinnung von Hartstoffpartikeln A process for the recovery of hard material particles |
| 11/08/2012 | CA2834151A1 Processes for recovering rare earth elements from various ores |
| 11/08/2012 | CA2833281A1 A method for recovering indium, silver, gold and other rare, precious and base metals from complex oxide and sulfide ores |
| 11/07/2012 | CN202519343U System for recovering copper from waste circuit board |
| 11/07/2012 | CN202519319U Resin ion exchange device for enriching noble metal |
| 11/07/2012 | CN202519314U Acid leaching tank for vanadium-containing shale multistage circular leaching |