| Patents for C22B 3 - Extraction of metal compounds from ores or concentrates by wet processes (16,429) |
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| 04/23/2008 | CN100383261C Process for extracting metal cobalt from waste hard alloy |
| 04/23/2008 | CN100383051C Method of preparing synthetic rutile from ore type ilmenite concentrate |
| 04/17/2008 | CA2664030A1 Accelerated heat generation in heap bioleaching |
| 04/16/2008 | EP1561103B1 Separating vessel |
| 04/16/2008 | CN101161834A Method for separating mineral from No.11 coal bed acid water |
| 04/16/2008 | CN101161833A Method for extracting intermetallic compound Mg2Si or Al8Mn5 from magnesium alloy |
| 04/16/2008 | CN101161831A Calcification vanadium slag sintering method |
| 04/16/2008 | CN100381592C Improved bacterial oxidation of sulphide ores and concentrates |
| 04/15/2008 | US7357827 High yield industrial scale precipitation; based on strongly ammoniacal carbonate or sulfate |
| 04/09/2008 | CN101158285A Underground mining methods of copper mine |
| 04/09/2008 | CN101157992A Comprehensive utilization technique for hamartite and celestite paragenic ore |
| 04/09/2008 | CN101157991A Production method for extracting indium from indium-containing blister lead |
| 04/09/2008 | CN101157988A Method for purifying zinc sulfate solution |
| 04/09/2008 | CN101157987A Method for preparing electrolytic zinc by processing complex secondary zinc oxide material |
| 04/09/2008 | CN101157986A Rapid nontoxic gold extracting method |
| 04/09/2008 | CN101157985A Comprehensive reclaiming method for pyrite slag |
| 04/09/2008 | CN101157983A Method for leaching indium directly from indium ore |
| 04/09/2008 | CN101157982A Method for leaching bidery metal by sulfuric acid and inflation agitation leaching trough |
| 04/09/2008 | CN101157981A Method for controlling leaching of silicon impurity during vanadium extraction smelting of vanadium ore |
| 04/09/2008 | CN101157979A Desulfuration method for high sulfide pyrite powder |
| 04/09/2008 | CN101157066A A milling enriched technics for celestine ore |
| 04/08/2008 | US7354517 Separation of platinum group metals |
| 04/03/2008 | WO2008038401A1 Process for producing iron arsenide compound with good crystallinity |
| 04/03/2008 | WO2007134343A3 Chloride heap leaching |
| 04/03/2008 | CA2663108A1 Method of producing iron-arsenic compound excellent in crystallinity |
| 04/02/2008 | EP1905854A2 Apparatus for removing ruthenium from solution containing platinum group metal |
| 04/02/2008 | CN201043187Y Multifunctional ion-exchange unit |
| 04/02/2008 | CN101153357A Apparatus for removing ruthenium from solution containing platinum group metal |
| 04/02/2008 | CN100378233C Process for cleaning decopper nickel electrolytic solution |
| 03/27/2008 | WO2008034198A1 An ion exchange resin and a process for the use thereof |
| 03/27/2008 | WO2008034189A1 Improved process and plant for producing nickel |
| 03/27/2008 | WO2008034188A1 Improved process for producing feed material for a leaching process |
| 03/27/2008 | US20080075645 Process for Complete Utilisation of Olivine Constituents |
| 03/27/2008 | CA2664013A1 An ion exchange resin and a process for the use thereof |
| 03/27/2008 | CA2628125A1 Bioleaching process control |
| 03/26/2008 | EP1663456A4 Metal oxide processing methods and systems |
| 03/26/2008 | CN101151382A Modification of copper/iron selectivity in copper solvent extraction systems |
| 03/26/2008 | CN101149347A Method for separating and enriching trace cobalt nickel and copper metal ion using cloud point extraction system |
| 03/26/2008 | CN101148708A Method for reclaiming molybdenum from aluminum-base molybdenum-containing waste slag |
| 03/26/2008 | CN101148704A Method for separating and reclaiming copper from cobalt chloride solution |
| 03/26/2008 | CN101148703A Method for enriching precious metal by using yellow phosphorus electric furnace |
| 03/26/2008 | CN101148699A Method for deeply removing arsenic from copper sulfate solution |
| 03/26/2008 | CN101148698A Extraction method for removing calcium and magnesium from copper-cobalt ore leachate |
| 03/26/2008 | CN101148697A Catalyst used for vanadium-containing stone-like coal ore pressure leaching |
| 03/26/2008 | CN101148696A Dearsenization method for metallic ore by wet method |
| 03/26/2008 | CN100376698C Improved hydrometallurgical processing of manganese containing materials |
| 03/26/2008 | CN100376697C Technique of heap leaching atomized liquid for cloth |
| 03/26/2008 | CN100376696C Highly pure hafnium material, target and thin film comprising the same and method for producing highly pure hafnium |
| 03/20/2008 | WO2008032288A2 Pre-treatment of feed to non-stirred surface bioreactor |
| 03/20/2008 | WO2008031203A1 Oxidative and anoxic extraction of metals from sulphide minerals |
| 03/20/2008 | WO2008010175A3 Air distributor for heap leaching process |
| 03/20/2008 | CA2664213A1 Pre-treatment of feed to non-stirred surface bioreactor |
| 03/20/2008 | CA2662588A1 Oxidative and anoxic extraction of metals from sulphide minerals |
| 03/19/2008 | EP1900831A1 A process for the recovery of value metals from material containing base metal oxides |
| 03/19/2008 | EP1899408A2 Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species |
| 03/19/2008 | CN201037149Y Ore extracting device |
| 03/19/2008 | CN101144183A Method for preparing gold micron crystal with surface enhanced Raman active branched surface |
| 03/13/2008 | WO2008028664A1 Method for the purification of radium from different sources |
| 03/13/2008 | WO2008028245A1 A sulfate process |
| 03/13/2008 | WO2008028244A1 A sulfate process |
| 03/13/2008 | US20080064766 Apparatus for Enhancing Solubility |
| 03/13/2008 | CA2662932A1 Method for the purification of radium from different sources |
| 03/12/2008 | EP1597403B1 Method for recovery of zinc by countercurrent leaching |
| 03/12/2008 | CN101139660A Method for extracting iron-lead and gold-silver from gold concentrate acidifying baking residue |
| 03/12/2008 | CN101139659A Method for reclaiming nickel from acidic nickel plating waste water |
| 03/12/2008 | CN101139658A Equipment for reclaiming nickel from acidic nickel plating waste water |
| 03/12/2008 | CN101139657A Process for extracting calcium-magnesium ion from solid slag containing calcium-magnesium with ultrasonic assistance |
| 03/12/2008 | CN101139656A Laterite nickel ore leaching method |
| 03/12/2008 | CN100374593C Tech. of extracting metallic cobait from magnetic-iron ore tailing slag |
| 03/12/2008 | CN100374592C Low pollution vanadium settling iron-removing wet zinc smelting method |
| 03/12/2008 | CN100374590C Production of titania |
| 03/12/2008 | CN100374589C Combined process for organic solvent extracting zinc and wet zinc refining |
| 03/11/2008 | US7341700 Method for recovery of metals from metal-containing materials using medium temperature pressure leaching |
| 03/05/2008 | CN101137581A Process for the production of magnesium oxide |
| 03/05/2008 | CN101135007A Production method of silver pressure leaching from vulcanised ore concentrate by using sulfocyanate solution |
| 03/05/2008 | CN101135001A Method for eliminating sodium and potassium from lithium metal |
| 03/05/2008 | CN100372951C Process for separating and recovering sludge and heavy metals in soil |
| 03/04/2008 | US7338589 Electrolysis; solvent extraction; ion exchanging |
| 02/28/2008 | WO2008022395A1 Improved hydrometallurgical method for the extraction of nickel from laterite ores |
| 02/28/2008 | WO2008022381A1 Production of metallic nickel with low iron content |
| 02/28/2008 | WO2008003160A9 Metal recovery system as applied to the high pressure leaching of limonitic nickel laterite ores |
| 02/28/2008 | US20080050295 Lithium Battery Treatment Method |
| 02/28/2008 | US20080050294 leaching laterite ore and/or partially oxidized sulfide ore with acid solution to produce pregnant leach solution containing dissolved nickel, cobalt and ferric ions, and subsequently leaching a sulfide ore or concentrate with pregnant leach solution to produce a product liquor |
| 02/28/2008 | US20080050293 Leach Extraction Method |
| 02/28/2008 | CA2659449A1 Improved hydrometallurgical method for the extraction of nickel from laterite ores |
| 02/27/2008 | EP1563107B1 Production of titania |
| 02/27/2008 | CN101133172A Method and apparatus for recovering indium from waste liquid crystal display |
| 02/27/2008 | CN101133171A Process for enhanced acid leaching of laterite ores |
| 02/27/2008 | CN101130835A Production method for extracting gallium |
| 02/27/2008 | CN101130833A Demercuration method for active gold-carrying carbon containing mercury |
| 02/27/2008 | CN100371479C Method for recovering vanadium from aluminium-base nickel-containing offscum |
| 02/27/2008 | CN100371478C Wet preprocessing method for difficult-to-treat gold ore containing arsenic and antimony |
| 02/27/2008 | CN100371474C Continuous extraction apparatus for mineral bacteria leachate |
| 02/27/2008 | CN100371473C Extracting agent for metal extraction, and its method and use |
| 02/27/2008 | CN100371472C Method for extracting metallic gallium from aluminium oxide production procedure |
| 02/27/2008 | CN100371471C New treating method for nickel oxide ore |
| 02/21/2008 | WO2008019633A1 Process for treating aqueous lateritic-ore pulps in pressurized acid technology |
| 02/21/2008 | US20080042111 Copper-Containing Tin Powder, Method for Producing the Copper-Containing Tin Powder and Electro-Conductive Paste Using the Copper-Containing Tin Powder |
| 02/21/2008 | US20080041270 Method for manufacturing metal nanoparticles |
| 02/21/2008 | DE19781680B4 Verfahren zur Herabsetzung des Sauerstoffgehaltes in Ventilmetall-Materialien A method of reducing the oxygen content in valve metal materials |