| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 01/19/2011 | CN101565774B High-pressure autoclave discharging hydraulic damping balance throttle control device |
| 01/19/2011 | CN101509074B Method for purifying and removing silicon and aluminum from nitric rare earth feed liquid |
| 01/19/2011 | CN101338367B Method for enriching and purifying nickel, cobalt or copper ions |
| 01/19/2011 | CN101245407B Selecting-smelting method for processing complex hard-washing low ore grade pulmbous sulfide zincium mine |
| 01/19/2011 | CN101012511B Method for eliminating calcium ion effect in gold ore bulk leaching by using descaling agent |
| 01/18/2011 | US7871584 Consecutive or simultaneous leaching of nickel and cobalt containing ores |
| 01/18/2011 | US7871454 Chemical process for recovery of metals contained in industrial steelworks waste |
| 01/13/2011 | WO2011005736A2 Processes for recovering metals from aqueous solutions |
| 01/13/2011 | WO2010111548A3 Process for recovering metals from coal liquefaction residue containing spent catalysts |
| 01/13/2011 | WO2010081418A8 Application of aqueous solution of magnesium bicarbonate and/or calcium bicarbonate in the process of extraction separation and purification of metals |
| 01/13/2011 | US20110005350 Recovery method and recovery apparatus of thallium in cement production facilities |
| 01/13/2011 | CA2767395A1 Processes for recovering metals from aqueous solutions |
| 01/12/2011 | EP2271781A1 Green mining: process of cyanide-free bioleaching and bioadsorption of precious metals |
| 01/12/2011 | EP2271780A1 Laterite heap leaching with ferrous lixiviants |
| 01/12/2011 | EP1412545B1 Method for improving metals recovery using high temperature pressure leaching |
| 01/12/2011 | CN201704381U Extraction box |
| 01/12/2011 | CN101946027A Method of recovering valuable metals from izo scrap |
| 01/12/2011 | CN101946026A Method of recovering valuable metals from izo scrap |
| 01/12/2011 | CN101945690A Multi-column sequenced separation process for separating an ionic metal derivative |
| 01/12/2011 | CN101942679A Method for preparing, pre-treating and dispersing superfine copper powder |
| 01/12/2011 | CN101942569A Method for recovering lithium from waste lithium ion battery and waste pole piece |
| 01/12/2011 | CN101942568A Method for recovering noble metal from waste computer and fittings thereof |
| 01/12/2011 | CN101942560A Method for directly leaching low-grade germanic lead oxide and zinc oxide ores |
| 01/12/2011 | CN101643848B Method for removing vanadium from tungstate solution |
| 01/12/2011 | CN101591735B Method for recovering zinc metal in leaching residue by combination of ion floatation and wet method |
| 01/12/2011 | CN101575672B Method for separating and extracting copper and cobalt-nickel in low-grade copper-cobalt oxide ore |
| 01/12/2011 | CN101538652B Method for separating and recovering vanadium and chrome from vanadium and chrome-containing waste |
| 01/12/2011 | CN101363081B Nontoxic process for extraction gold from gold-bearing tailing |
| 01/12/2011 | CN101331240B Method for the recovery of ruthenium from used ruthenium oxide-containing catalysts |
| 01/11/2011 | US7867317 liberating metal and plastic laminated in waste printed circuit boards by use of an organic solvent and then separating and recovering the liberated metal components using an electrostatic separation process |
| 01/11/2011 | CA2559243C Method for bioleaching metal containing sulphidic materials |
| 01/11/2011 | CA2446321C Improved leaching process |
| 01/11/2011 | CA2390361C Recovery of metals from ore |
| 01/06/2011 | WO2011000051A1 Smelting method |
| 01/06/2011 | US20110000337 Silica removal from pregnant leach solutions |
| 01/06/2011 | CA2766812A1 Smelting method |
| 01/05/2011 | EP2270241A1 A method of extracting ni and/or co |
| 01/05/2011 | EP2268852A1 Electrochemical process for the recovery of metallic iron and sulfuric acid values from iron-rich sulfate wastes, mining residues and pickling liquors |
| 01/05/2011 | EP2268840A1 Adsorption method for reclaiming molybdate or tungstate from aqueous solutions |
| 01/05/2011 | CN201695068U Rotating barrel device for hot-acid leaching of non-fine powder alloy materials |
| 01/05/2011 | CN201692689U Heating device for mixer settler |
| 01/05/2011 | CN101939397A Rare metal extracting agent |
| 01/05/2011 | CN101935768A Method for comprehensively recovering carbon from extraction of vanadium from stone coal |
| 01/05/2011 | CN101935759A Method for recycling and treating waste circuit board |
| 01/05/2011 | CN101935758A Extracting equipment |
| 01/05/2011 | CN101935757A Extraction tank body |
| 01/05/2011 | CN101935756A Method for reclaiming rare-earth and organic phase from third phase of rare-earth extraction |
| 01/05/2011 | CN101935755A Two-stage leaching method for vanadium in vanadium-containing ore |
| 01/05/2011 | CN101935754A Method for treating lead-containing high electrum concentrate |
| 01/05/2011 | CN101935621A Acidithiobacillus ferrooxidans genetic engineering bacteria and use thereof |
| 01/05/2011 | CN101649397B Method for extracting vanadium from sodium salt roasting clinker |
| 01/05/2011 | CN101591733B Method for jarosite precipitation and deironization by pressure acid leaching of high-iron zinc-sulphide concentrate in kettle |
| 01/04/2011 | US7863209 Methods for recycling catalyst compositions for aromatic ring halogenation |
| 01/04/2011 | CA2505740C Method for thiosulfate leaching of precious metal-containing materials |
| 01/04/2011 | CA2504934C Reducing cyanide consumption in gold recovery from finely ground sulphide ores and concentrates |
| 01/04/2011 | CA2484241C Method and equipment for guiding a dispersion in liquid-liquid extraction |
| 01/04/2011 | CA2484239C Method and equipment to control separation of a dispersion in liquid-liquid extraction |
| 01/04/2011 | CA2425888C Chromatographic method of separating ruthenium from platinum group metals |
| 01/04/2011 | CA2335330C Method and apparatus for the beneficiation of ores |
| 12/29/2010 | WO2010149841A1 Method for leaching chalcopyrite concentrate |
| 12/29/2010 | EP2265736A1 A process for atmospheric leaching of laterite ores using hypersaline leach solution |
| 12/29/2010 | CN101932740A Process for the recovery of precious metals from used and/or defective catalytic carriers |
| 12/29/2010 | CN101928838A Method for removing and recovering arsenic from lead anode slime |
| 12/29/2010 | CN101928831A Leaching method of anode material of lithium cobalt oxide waste battery |
| 12/29/2010 | CN101928830A Method for extracting vanadium from vanadium-containing liquid |
| 12/29/2010 | CN101928829A Method for extracting and separating rare earth elements |
| 12/29/2010 | CN101928828A Method for extracting lithium from salt lake brine by adsorption method |
| 12/29/2010 | CN101928827A Method for removing impurities and refining zinc from zinc ammine complex |
| 12/29/2010 | CN101928826A Agitation leaching method for ore paste |
| 12/29/2010 | CN101928825A Gold wet-process purification method |
| 12/29/2010 | CN101624649B Method for leaching vanadium from vanadous stone coal ore with fluosilicic acid and sulphuric acid |
| 12/29/2010 | CN101613805B Comprehensive recovery method of tungsten and molybdenum from slag of bismith smelting furnace |
| 12/29/2010 | CN101570822B Hydraulic method for constructing mine pile |
| 12/29/2010 | CN101457209B Low-temperature leaching-ore bacteria and application thereof in low-temperature biological heap leaching process for copper sulfide ore |
| 12/29/2010 | CN101289704B Treating method for high magnesium laterite nickel mine |
| 12/29/2010 | CA2765926A1 Method for leaching chalcopyrite concentrate |
| 12/28/2010 | US7858057 Production of lithium compounds directly from lithium containing brines |
| 12/28/2010 | US7858056 Recovering metals from sulfidic materials |
| 12/28/2010 | US7857888 passing solution of metals in hydrochloric acid prepared by treating metal material with hydrochloric acid through cellulose column, eluting through development the noble metal component adsorbed thereon with hydrochloric acid, 2-propanone mixture to obtain fraction; automobile exhaust gases |
| 12/23/2010 | WO2010146876A1 Metal recovery method and device |
| 12/23/2010 | WO2010146596A1 A process for producing high grade blast furnace feed from poor grade iron ore ultra fines |
| 12/23/2010 | US20100319490 Methods for Improving the Recovery of Metal Leaching Agents |
| 12/23/2010 | CA2731355A1 A process for producing high grade blast furnace feed from poor grade iron ore ultra fines |
| 12/22/2010 | EP2264197A1 Metal compound removal |
| 12/22/2010 | EP2264196A1 Method for extracting and separating rare earth elements |
| 12/22/2010 | EP2262916A1 Selective gold extraction from copper anode slime with an alcohol |
| 12/22/2010 | CN1842608B Iron oxide precipitation from acidic iron salt solutions |
| 12/22/2010 | CN101921914A Iron removal process for copper cobalt ore leach liquor |
| 12/22/2010 | CN101921913A Biological pre-oxidation reactor |
| 12/22/2010 | CN101921912A Concentrated acid two-stage curing-gas liquid cyclic vanadium extraction process from stone coal |
| 12/22/2010 | CN101445872B Method for extracting noble metal iridium from mixed oxide containing ruthenium, iridium, titanium, tin, zirconium and palladium |
| 12/22/2010 | CN101434385B Process for extracting tellurium from copper anode mud |
| 12/16/2010 | WO2010143623A1 Method for recovering water and metals from plating wastewater resulting from washing |
| 12/16/2010 | WO2010142841A1 Method and apparatus for regeneration of extraction solution in metal extraction processes |
| 12/16/2010 | CA2762946A1 Method and apparatus for regeneration of extraction solution in metal extraction processes |
| 12/15/2010 | EP2259875A1 Picolylamine resins |
| 12/15/2010 | EP2259874A1 Picolylamine resins |
| 12/15/2010 | EP1680521B1 Production of titania |
| 12/15/2010 | CN101914695A Method for recycling vanadium from vanadium ore containing high silicon and high carbon via wet process |
| 12/15/2010 | CN101914691A Method for extracting nickel and cobalt by processing poor nickel laterite |