Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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08/19/2010 | WO2010091515A1 Filter bag for bayer liquor filtration |
08/19/2010 | WO2010072342A3 A method for synthesis of a radionuclide-labeled compound using an exchange resin |
08/18/2010 | CN1872377B Method for saponifying extraction agent |
08/18/2010 | CN101805834A Non-destructive gallium-extracting method of gallium-contained porcelain clay |
08/18/2010 | CN101805829A Selective bioleaching process of high-sulphur/copper ratio secondary copper sulphide ore |
08/18/2010 | CN101805828A Low-cost method for disposing red soil nickel ore |
08/18/2010 | CN101463425B Method for extraction separation of indium and tin from indium-tin mixing solution |
08/17/2010 | US7776202 Extracting geothermal brine with organic solvent containing quaternary ammonium compound and acid; removing iron component by oxidization and precipitation; electrowinning |
08/17/2010 | US7776135 recovery of gold in connection with the hydrometallurgical production of copper from a residue or intermediate product containing sulphur and iron generated in the leaching of copper raw material. The recovery of both copper and gold takes place in solution |
08/12/2010 | WO2010090478A2 Method for leaching impurities contained in molybdenum oxide concentrates |
08/12/2010 | WO2010090176A1 Method for collecting nickel from acidic sulfuric acid solution |
08/12/2010 | WO2010089462A1 Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell |
08/12/2010 | WO2010089456A1 Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell |
08/12/2010 | WO2010088863A1 Method for depositing metal ions |
08/12/2010 | US20100199808 Method for recovering metal values from refractory sulfide ore |
08/12/2010 | DE19640869B4 Verfahren zur Gewinnung von Wertmetallen, insbesondere Zink, aus Chlor oder Fluor enthaltenden Rohstoffen A method for recovering valuable metals, in particular zinc, from raw materials containing chlorine or fluorine |
08/12/2010 | CA2751674A1 Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell |
08/12/2010 | CA2751672A1 Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell |
08/11/2010 | EP2215276A1 High temperature leaching process |
08/11/2010 | CN201545894U Impurity removal acid-washing extraction tank |
08/11/2010 | CN201545893U Tantalum-Niobium decomposition tank |
08/11/2010 | CN201545892U Roasting slag acid leaching aseptic tank |
08/11/2010 | CN201545891U Air mixing leaching tank |
08/11/2010 | CN201543331U Smelting purification diluted-acid recycling system |
08/11/2010 | CN201543269U Extraction device |
08/11/2010 | CN101802234A Limonite and saprolite heap leach process |
08/11/2010 | CN101798639A Method for recovering indium from indium-containing neutralized dregs directly leached from zinc concentrate |
08/11/2010 | CN101798633A Method for treating limonite type oxidized nickel ore by roasting and leaching |
08/11/2010 | CN101798629A Method for separating valuable metals from lead anode mud |
08/11/2010 | CN101798627A Method for precipitating rare earth |
08/11/2010 | CN101798626A Method for extracting copper through copper scales |
08/11/2010 | CN101451196B Wet-smelting method of copper and zinc bulk concentrate |
08/11/2010 | CN101413059B Process for comprehensively and efficiently recycling zinc and indium in indium raffinate |
08/11/2010 | CN101358282B Method for vanadium-containing resin circulatory desorption from vanadate precipitating waste water |
08/11/2010 | CN101338371B Salt-dipping and replacing process for associated metallic lead in gold concentrate |
08/11/2010 | CN101289712B Process for recovering indium from indium-containing material |
08/11/2010 | CN101191122B Mesophilic acidophilic bacteria and biological heap leaching technique for low-grade cobalt-containing sulfur concentrate |
08/10/2010 | CA2687712A1 Improved method to remove antimony from copper electrolytes |
08/05/2010 | WO2010088388A1 Method for dispersing and aggregating components of mineral slurries |
08/05/2010 | WO2010087094A1 Flocculant for waste water purification, method for purifying waste water using same, and apparatus for purifying waste water using same |
08/05/2010 | WO2010085857A1 Method of agglomeration |
08/05/2010 | DE102006042191B4 Verfahren zur Reinigung von Radium aus verschiedenen Quellen A process for the purification of radium from different sources |
08/04/2010 | EP2212263A1 A micronutrient fertiliser and method for producing same |
08/04/2010 | EP2212253A1 Producing nickel hydroxide suitable for pelletization with iron-containing ore and for stainless steel manufacture |
08/04/2010 | CN201538801U Clarification processing slag removal machine |
08/04/2010 | CN201538800U Inverted conical resin buffer |
08/04/2010 | CN201537427U Solution purifying device |
08/04/2010 | CN101796204A Method for upgrading copper concentrate |
08/04/2010 | CN101792868A Method for recycling gallium from gallium-bearing fly ash in Yili of Xinjiang |
08/04/2010 | CN101792864A Hyperbaric oxygen acid leaching process for cogenerating calcium sulfate whiskers from copper-sulphide ores |
08/04/2010 | CN101792855A Method for separating and preparing high loose ratio and high purity cobalt oxalate from asbolite |
08/04/2010 | CN101792854A Desorption technology for gold-loaded carbon |
08/04/2010 | CN101792853A Bacterial oxidation pretreatment and cyanidation gold extraction method of arsenopyrite and realgar type refractory gold ores |
08/04/2010 | CN101792852A Processing for recovering low-grade molybdenum oxide concentrate through wet process |
08/04/2010 | CN101792851A Recovery process of low-grade oxidizing molybdenum ore |
08/04/2010 | CN101792728A Method for leaching metal from metallic ores and special strain in same |
07/29/2010 | WO2010084877A1 Processes for the disposal of arsenic |
07/28/2010 | CN101787546A Method utilizing titanium white waste acid to prepare electrolytic manganese metal |
07/28/2010 | CN101787451A Method for improving efficiency of acidic organophosphorus extractant for extraction separation of rare-earth elements |
07/28/2010 | CN101787449A Method for producing ferromolybdenum through using mixture of molybdenum oxide lump waste materials and molybdenum oxide ammonia leaching residue |
07/28/2010 | CN101787448A Comprehensive utilization process of high-carbon high-sulfur stone coal containing vanadium |
07/28/2010 | CN101787440A Method for wet processing of high antimony-lead anode mud |
07/28/2010 | CN101787438A Method for precipitating rare earth by adopting carbon dioxide |
07/28/2010 | CN101787437A Method for improving manganese leaching rate of electrolytic manganese chemical combination work procedure |
07/28/2010 | CN101787436A Wet-method preprocessing method for extracting gold through sulfating roasting slag of ore concentrate containing stibium and gold |
07/28/2010 | CN101787432A Method for preparing acid-soluble titanium slag from high-titanium slag |
07/28/2010 | CN101787431A Method for preparing acid-soluble titanium slag by high titanium slag through microwave irradiation |
07/28/2010 | CN101532094B Technology for full-process extracting and separating nickel and cobalt from acid material system with high content of calcium and magnesium impurities |
07/28/2010 | CN101392321B Method for treating nickel-containing laterite by microwave reducing roasting-hematite precipitation conversion method |
07/28/2010 | CN101392320B Method for treating nickel-containing laterite by microwave reducing roasting-goethite precipitation conversion method |
07/28/2010 | CN101376924B Method for recycling gold from refractory gold concentrate |
07/28/2010 | CN101338365B Synthesizing method for molybdenum-nickel ore |
07/28/2010 | CN101255497B Method for removing iron and heavy metals during process of manganese sulfate solution preparation |
07/27/2010 | US7763684 star polymers comprising polyamines having terminal carbamylmethyl phosphine oxide groups, used for extracting metals from aqueous effluents coming from spent nuclear fuel reprocessing plants or spent nuclear fuel dissolution solutions |
07/27/2010 | US7763221 Purification of brine by oxidation and precipitation of iron and nickel compound |
07/27/2010 | CA2413207C Dissolution method of co precipitate with acid |
07/22/2010 | WO2010081418A1 Application of aqueous solution of magnesium bicarbonate and/or calcium bicarbonate in the process of extraction separation and purification of metals |
07/22/2010 | WO2010009481A3 A method of treating a sulphide mineral |
07/22/2010 | US20100180728 Method for ammoniacal leaching |
07/21/2010 | EP1289637B1 Polysulfonamide matrices |
07/21/2010 | CN201530849U Precious-metals recoverer of nitric acid device |
07/21/2010 | CN101784488A Method of treating nonferrous smelting intermediary product containing arsenic |
07/21/2010 | CN101781719A Method for recovering rare earth from oil shale waste slag |
07/21/2010 | CN101781717A Method for extracting Ti-rich compounds from Ti- containing slag |
07/21/2010 | CN101781716A Method for leaching recovery of cobalt from laterite under normal atmosphere pressure |
07/21/2010 | CN101781706A Process for separating rare-earth element by extraction |
07/21/2010 | CN101781705A Method for microorganism-pelleting heap leaching of earthy oxide copper ores |
07/21/2010 | CN101476047B Method for preparing metal aluminum from aluminum-containing raw material |
07/21/2010 | CN101338366B Activation process of pyrite in alkalinity pulp |
07/21/2010 | CN101333598B Method for separating and extracting metallic tungsten and molybdenum from molybdenum removal slag generated by smelting tungsten |
07/21/2010 | CN101255504B Production technique for extracting gallium from coal ash and coal gangue |
07/21/2010 | CN101195857B Solvent extraction method for acquiring alloy with magnetic separation copper nickel matte |
07/20/2010 | US7758669 Process for recovery of nickel and cobalt by heap leaching of low grade nickel or cobalt containing material |
07/20/2010 | CA2484243C Method and equipment for compressing a dispersion in liquid-liquid extraction |
07/20/2010 | CA2470478C High temperature pressure oxidation of ores and ore concentrates containing silver using controlled precipitation of sulfate species |
07/15/2010 | WO2010080050A1 Method for the sorptive extraction of precious metals |
07/15/2010 | CA2738692A1 Method for sorptive extraction of precious metals |
07/14/2010 | CN201525875U Baffle plate component for horizontal reactor retaining wall |
07/14/2010 | CN201525874U Buffer tank |
07/14/2010 | CN101778958A Atmospheric acid leach process for laterites |