Patents for C22B 34 - Obtaining refractory metals (6,435) |
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11/27/2013 | CN102417944B Method for utilizing vanadium-titanium-secondary iron concentrate to smelt acid-soluble titanium slag by way of smelting reduction |
11/26/2013 | CA2596708C Chemical beneficiation of raw material, containing tantalum-niobium |
11/21/2013 | WO2013170678A1 Industrial microwave ultrasonic reactor |
11/21/2013 | WO2013170370A1 Processes for recovering rare earth elements from various materials |
11/20/2013 | CN103402671A Melting furnace for smelting metal |
11/20/2013 | CN103397210A Constant-temperature constant-pH-value stone coal vanadium extraction agitation leaching tank |
11/20/2013 | CN103397209A Method for extracting vanadium from high-calcium and high-phosphorus vanadium slag |
11/20/2013 | CN103397208A Process for smelting ferro-vanadium through electro-aluminothermic method |
11/20/2013 | CN103397207A Method for obtaining metal from waste catalyst |
11/20/2013 | CN103397187A Method for vanadium extraction by activating high-calcium high-phosphorus vanadium slag with nitric acid |
11/14/2013 | US20130302228 PURIFICATION OF TiCl4 THROUGH THE PRODUCTION OF NEW CO-PRODUCTS |
11/14/2013 | US20130302227 PURIFICATION OF TiCl4 THROUGH THE PRODUCTION OF NEW CO-PRODUCTS |
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 | CN103391989A Hydromethanation of a carbonaceous feedstock with nickel recovery |
11/13/2013 | CN103388096A Vanadium-nitrogen alloy production method |
11/13/2013 | CN102803527B Metal titanium production device and metal titanium production method |
11/06/2013 | CN203270008U Slag recycling device for stone coal vanadium mine |
11/06/2013 | CN203270007U 15-ton inverted U-shaped integrated device for producing titanium sponge |
11/06/2013 | CN103382530A Process for the recovery of titanium in mixed chloride media |
11/06/2013 | CN103014343B Process for recycling ammonium tungstate from ammonium paratungstate crystallization mother liquor |
11/06/2013 | CN102816942B Process and device for producing high-nitrogen sponge titanium |
11/06/2013 | CN102816940B Titanium tetrachloride charging method for production of sponge titanium |
11/06/2013 | CN102776390B Method for producing titanium slabs efficiently |
11/06/2013 | CN102732730B Recovery method for vanadium component in selective catalytic reduction denitration catalyst |
11/06/2013 | CN102634675B Method for treating copper-molybdenum mixed ores |
11/06/2013 | CN102531139B Method for removing and recycling chrome from acid chromate wastewater in one step |
11/06/2013 | CN102465204B Method for preparing niobium pentoxide with high apparent density |
10/31/2013 | WO2013159201A1 Processes, systems, and apparatus for cyclotron production of technetium-99m |
10/31/2013 | US20130283975 Method of separating and recovering metal elements |
10/30/2013 | CN103374664A 自耗电极凝壳炉 Consumable electrode skull furnace |
10/29/2013 | CA2401034C Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
10/23/2013 | CN203250224U Device for controlling temperature of clamp sleeve inside reduction distillation furnace |
10/23/2013 | CN203247293U Chromium recovery device in electroplating effluent |
10/23/2013 | CN203245360U A device used for reducing tantalum powder by using magnesium to reduce oxygen content and provided with conic heat shields |
10/23/2013 | CN103361495A Method for extracting niobium from Bayan Obo mine tailing |
10/23/2013 | CN103361494A Method for increasing reaction speed and reducing energy consumption during preparation of titanium sponge from titanium tetrachloride |
10/23/2013 | CN103361486A Method for extracting high purity scandium oxide and titanium from waste acid solution containing scandium and titanium |
10/23/2013 | CN103361482A Vanadium extraction leaching device and vanadium extraction leaching method |
10/23/2013 | CN103361480A Stone coal vanadium extraction preheating section firing device |
10/23/2013 | CN102776364B Process for recovering titanium and iron from titanomagnetite tailings |
10/23/2013 | CN102242280B Heating furnace for production of titanium sponge by method of magnesium reduction-vacuum distillation |
10/22/2013 | US8562712 Method and apparatus for the production of metal compounds |
10/17/2013 | WO2013152805A1 Method and system for production and additive manufacturing of metals and alloys |
10/16/2013 | CN103352129A Method for improving quality of titanium concentrate |
10/16/2013 | CN103352126A Method for extracting ammonium molybdate from molybdenum contained waste liquid |
10/16/2013 | CN103352124A Method for separating and recovering V and Cr from V-Cr waste material |
10/16/2013 | CN103352118A Method for extracting Nb from bayan obo tailings |
10/16/2013 | CN103352117A Method for extracting niobium from low-grade niobium ore |
10/16/2013 | CN102876896B Method for recovering vanadium by decomposing vanadium extraction tailings by using sodium hydroxide solution |
10/16/2013 | CN102732719B Method for purifying molybdenum disulfide by ultrasonic-assisted acid leaching of molybdenite |
10/16/2013 | CN102605179B Acid leaching equipment for vanadium-containing shales |
10/16/2013 | CN102373334B Extraction method of hexavalent chromium in plastics |
10/16/2013 | CN102220498B Method for preparing fine vanadium slag |
10/15/2013 | US8557202 Separation method of zirconium and hafnium with acidic extractants |
10/15/2013 | US8557020 Compound, metal extractant, and application of the same |
10/15/2013 | CA2724024C Process for recovering molybdate or tungstate from aqueous solutions |
10/10/2013 | WO2013151190A1 Method for collecting tungsten compounds |
10/10/2013 | US20130266494 Upgrading of titaniferous material |
10/09/2013 | CN103343244A Process for separating and purifying molybdenum in low-molybdenum-content tailings |
10/09/2013 | CN103343243A Cooling device and cooling method for titanium sponge reduction distillation container |
10/09/2013 | CN103343236A Method for recovering titanium, vanadium and tungsten from waste denitration catalyst |
10/09/2013 | CN103343229A Method for comprehensively recovering valuable metals from electroplating waste mud |
10/09/2013 | CN103343227A Method and equipment for purifying molten magnesium during production of sponge titanium |
10/09/2013 | CN103343174A Method for separating titanium, iron, vanadium and calcium from mixed titaniferous slag |
10/09/2013 | CN103342769A Preparation method of molybdenum separation resin |
10/09/2013 | CN103342385A Method for preparing nano titanium dioxide by titaniferous tailings after beneficiating iron |
10/09/2013 | CN102936648B Method for producing rich-titanium material by using microwave kiln, independent container and ilmenite pressing blocks |
10/09/2013 | CN102605171B Decarbonizing and roasting device for refining vanadium pentoxide |
10/08/2013 | US8551396 Hydrogen storage material with intermediate bond strength and process for making the same |
10/08/2013 | CA2583359C Process and plant for producing titania slag from ilmenite |
10/03/2013 | US20130255445 Device for producing titanium metal, and method for producing titanium metal |
10/03/2013 | US20130255443 Titanium metal production apparatus and production method for titanium metal |
10/02/2013 | EP2643490A1 Process for the selective removal of molybdenum from a solution containing it |
10/02/2013 | CN103334019A Method for gas-phase vanadium extraction by utilizing combustion of stone coals in cyclone furnace |
10/02/2013 | CN102747223B Method for extracting tungsten from tungsten mineral by using soda and adopting high-pressure leaching process |
10/02/2013 | CN102560090B Method for enriching vanadium and selenium in process of producing cement ingredients by using boiling furnace |
09/26/2013 | WO2013142022A1 Process for the conversion of molybdenite to molybdenum oxide |
09/26/2013 | WO2013138900A1 Processes for recovering rare earth elements and rare metals |
09/26/2013 | US20130247718 Methods Of Metal Extraction Using Oximes |
09/26/2013 | DE112011104540T5 Verfahren zum Extrahieren von Wolfram aus Scheelit A method of extracting tungsten from Scheelite |
09/25/2013 | EP2641878A1 Molybdenum and benzoic acid recovery from aqueous waste streams generated in epoxidation processes |
09/25/2013 | EP2640871A1 Method and system for electrolytically reducing a solid feedstock |
09/25/2013 | CN103320628A Method for reducing acid consumption by concentrated acid aging method in process of leaching vanadium from navajoite |
09/25/2013 | CN103320612A Tungsten-molybdenum separation method for extracting solution containing tungsten-molybdenum acid salt employing serotonin-hydroximic extractant |
09/25/2013 | CN102586614B Method for recycling stone coal navajoite waste slag |
09/25/2013 | CN102534271B Production method of vanadium-aluminum alloy |
09/25/2013 | CN102191389B Rinsing method of potassium fluotantalate product obtained through sodium reduction |
09/19/2013 | US20130243673 Separation of tungsten from ammonium molybdate solutions |
09/18/2013 | EP2637970A1 A method for recovering transition metal tetrahalide and hydrocarbons from a waste stream |
09/18/2013 | CN203200329U Pressure device for straightening and reducing tungsten tube |
09/18/2013 | CN203200328U Sponge titanium distillation passage heating device |
09/18/2013 | CN203200321U 浸出装置 Leaching apparatus |
09/18/2013 | CN103314123A Process for the selective removal of molybdenum from a solution containing IT |
09/18/2013 | CN103305707A Method for smelting bismuth-molybdenum or bismuth-tungsten concentrates |
09/18/2013 | CN103305706A Method for calcium-roasting, cooling and extracting vanadium out of vanadium slag |
09/18/2013 | CN103305705A Large closed high titanium slag smelting special electric furnace with raw material preheating device |
09/18/2013 | CN103305693A Method of preventing interphase impurity in vanadium-chromium extraction separation process |
09/18/2013 | CN103305685A Vanadium slag calcium roasting method and roasting product thereof |
09/18/2013 | CN103305684A Method for verifying vanadium slag calcium roasting effect |
09/18/2013 | CN102808092B Method for preparing ultra low-oxygen chromium sheets |