Patents for C22B 34 - Obtaining refractory metals (6,435) |
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01/22/2014 | CN103526050A Production technology for welded pipe level sponge titanium |
01/22/2014 | CN103526031A Recovery method for SCR waste flue gas denitration catalyst |
01/22/2014 | CN103526019A Method for comprehensive recycle of vanadium, selenium and silver from multi-metal associated vanadium ore |
01/22/2014 | CN103526013A Comprehensive recovery method of complex molybdenum sulphide ores |
01/22/2014 | CN103523800A Method for recovering excess sodium hydroxide in tungsten smelting crude sodium tungstate solution |
01/22/2014 | CN102732727B Method for extracting vanadium from high vanadium-sodium-aluminum-silicon slag |
01/22/2014 | CN102605182B External method for production of 70# ferrotitanium with high titanium |
01/22/2014 | CN102296192B Composite roasting additive for extracting vanadium pentoxide from vanadium-containing stone coal and application of composite roasting additive |
01/22/2014 | CN102242282B Alkaline reduction smelting method for vanadium polymetallic ore |
01/15/2014 | CN203393210U Agitation leaching equipment with constant temperature and constant pH (Potential of Hydrogen) value for leaching vanadium from stone coal |
01/15/2014 | CN103509957A Method for producing high ferro-titanium alloy by using titanium slag and titanium concentrate as titanium and iron raw materials |
01/15/2014 | CN102503003B Photoreduction/liquid-liquid-liquid three-phase extraction coupled method for removing and recycling chromium |
01/15/2014 | CN102424915B Method for preparing titanium-enriched compound by using titanium-containing slag |
01/15/2014 | CN102329964B Method for separating and recovering vanadium and chromium from vanadium-chromium reduced waste residue |
01/14/2014 | US8628736 Process for the production of titanium salts |
01/09/2014 | WO2014007744A1 A method for the extraction of vanadiumpentoxide, v2o5, from a source containing vanadium |
01/09/2014 | WO2014006196A1 Method for reducing hexavalent chromium in oxidic solids |
01/09/2014 | WO2012059939A8 Process for manufacturing lower chlorides of titanium |
01/09/2014 | CA2878231A1 A method for the extraction of vanadiumpentoxide, v2o5, from a source containing vanadium |
01/08/2014 | EP2682370A1 Method for reducing hexavalent chromium in oxidic solids |
01/08/2014 | CN103501889A Method for obtaining silicon and titanium by generating electromagnetic interactions between SiO2 and FeTiO3 particles and magnetic waves |
01/08/2014 | CN103498060A Method for preparing metal vanadium |
01/08/2014 | CN103498054A Electric furnace for accommodating and carbonizing hot blast furnace slag and equipment technology thereof |
01/08/2014 | CN103498050A Chromium recovery method in electrolytic manganese chromium wastewater treatment process |
01/08/2014 | CN103498048A Method for removing chromium in vanadium-containing leachate, and method for preparing high-purity vanadium oxide |
01/08/2014 | CN103498047A Process for extracting vanadium through alkaline leaching conducted after stone coal oxidizing roasting |
01/08/2014 | CN103496801A Electrolytic manganese chromium-containing wastewater treatment and hexavalent chromium recovery method |
01/08/2014 | CN102656287B Treatment of titanium ores |
01/08/2014 | CN102564115B Rotary kiln air supply device |
01/08/2014 | CN101454467B Apparatus and methods for the production of metal compounds |
01/01/2014 | EP2679321A1 Melting furnace for smelting metal |
01/01/2014 | CN103486015A Oil diffusion pump trial pumping checking device and checking method used for titanium sponge production |
01/01/2014 | CN103484683A Comprehensive utilization method of molten titanium-bearing blast furnace slag |
01/01/2014 | CN103484678A Method for recovering vanadium, tungsten and titanium from waste vanadium-tungsten-titanium-based denitration catalyst |
01/01/2014 | CN103484673A Method for vadaium precipitation from balck acid leaching vanadium liquid |
01/01/2014 | CN103484667A Method for extracting vanadium from high-calcium vanadium-containing stone coal |
01/01/2014 | CN102864300B Method for separating molybdenum and tungsten from molybdenum-tungsten concentrate |
01/01/2014 | CN102703682B Comprehensive recovery method of rare metal ore |
12/31/2013 | CA2754650C Valve metal powders and process for producing them |
12/26/2013 | US20130340571 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 |
12/25/2013 | CN103468962A Titanium beneficiation method from titaniferous blast furnace slag |
12/25/2013 | CN103468937A Chromite oxide pellet and preparation method thereof |
12/25/2013 | CN103468933A Method for reducing tin leaching rate in high-tin tungsten concentrate |
12/25/2013 | CN103466698A Methods for producing zirconium tetrachloride and zirconium sponge through aerobic carbon-adding chlorination |
12/19/2013 | WO2013187348A1 Metal chrome fabrication method |
12/19/2013 | WO2013187347A1 Method for producing ferrochromium, and ferrochromium |
12/19/2013 | US20130336858 Tantalum recovery method |
12/18/2013 | CN203349944U Temperature measuring structure in reduction reaction process |
12/18/2013 | CN203346459U Molybdenum-removed slag recovery device |
12/18/2013 | CN203346458U Titanium sponge reduction reactor structure |
12/18/2013 | CN203346457U Device of melting magnesium in titanium sponge purification production |
12/18/2013 | CN203346447U Calcination device for extracting metals cobalt and tungsten from waste hard alloy |
12/18/2013 | CN103459625A Process for producing titanium dioxide concentrate |
12/18/2013 | CN103451454A Method for producing titanium chloride slag |
12/18/2013 | CN103451440A Method of recycling high titanium slag smelting reduction smoke dust and screened fine coal |
12/18/2013 | CN103451434A Treatment method for dephosphorized slag in tungsten metallurgy |
12/18/2013 | CN103451419A Method for recovering iron, vanadium and titanium from schreyerite through shaft furnace reduction and electric furnace smelting and separating deep reduction |
12/18/2013 | CN103451414A Stone coal decarbonization device of multi-bed circulating fluidized bed |
12/17/2013 | CA2526483C A method and apparatus for the production of metal compounds |
12/11/2013 | EP2344291B1 Production of molybdenum metal powder |
12/11/2013 | CN203333735U Integrated vanadium extraction device with continuous immersion and concentration of water and acid |
12/11/2013 | CN203333731U Titanium and titanium alloy vacuum melting insulation sleeve |
12/11/2013 | CN103436716A Method for extracting vanadium from vanadium-containing clinker aggregate |
12/11/2013 | CN103436715A Method of extracting vanadium from stone coal |
12/11/2013 | CN103436714A Method for recovering vanadium and manganese by using stone coal and low-grade pyrolusite together |
12/11/2013 | CN103436704A Method for recovering vanadium and tungsten from tungsten containing vanadium-titanium based waste denitration catalyst |
12/11/2013 | CN103436695A Commercial molybdenum oxide ammonia leaching technology capable of reducing slagging rate and molybdenum content in slag |
12/11/2013 | CN103436690A Method for leaching high-iron vanadium-containing calcified clinker, as well as method for producing vanadium oxide |
12/11/2013 | CN103014379B Process for extracting vanadium from stone coal vanadium mine |
12/11/2013 | CN102676808B Method for separating chrome vanadium from vanadium slag decomposition liquid |
12/05/2013 | WO2013177847A1 Method for industrially producing zirconium metal and synchronously producing low-temperature aluminum electrolyte |
12/04/2013 | EP2669393A1 Method for producing metal zirconium industrially and producing low-temperature aluminum electrolyte as byproduct |
12/04/2013 | CN203320091U Titanium-casting machine power supply system |
12/04/2013 | CN203320090U External heating device for corridor tubes in process of producing titanium sponges |
12/04/2013 | CN103421964A Method for leaching vanadium from stone coal containing vanadium |
12/04/2013 | CN103421963A Method for extracting vanadium from stone coal containing vanadium |
12/04/2013 | CN103421959A Method for extracting vanadium efficiently from vanadium slag by controlling particle diameter of additive |
12/04/2013 | CN103421953A Method for deep separation of vanadium and molybdenum |
12/04/2013 | CN103421950A Method for synchronously extracting vanadium and chromium during electrochemical resolving of vanadium slag in low-temperature low-concentration potassium hydroxide solution |
12/04/2013 | CN103421925A Method of preparing titanium dichloride slag |
12/04/2013 | CN103420437A Recovery processing method of titanium-containing waste liquid |
12/04/2013 | CN102618733B Smelting recovery method for pure titanium waste blocks |
12/04/2013 | CN102534222B Method for recovering acrylonitrile butadiene styrene (ABS) plastic galvanized parts |
12/04/2013 | CN102424914B Method for comprehensively recovering aluminum and potassium from vanadium extraction from stone coal |
11/28/2013 | US20130315804 Fly Ash and Fly Ash Leachate Treatment |
11/28/2013 | US20130312570 Purification Process |
11/27/2013 | EP2665680A2 Method for obtaining elements or element compounds from the intermediate products or by-products obtained during the production of titanium dioxide |
11/27/2013 | CN203307404U Molybdenum concentrate purifying device |
11/27/2013 | CN103415631A 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 |
11/27/2013 | CN103409642A Processing method of low yield ratio high strength titanium coiled plate for heat exchanger |
11/27/2013 | CN103409637A Full-automatic commercial pure titanium smelting method adopting electron beam cold hearth furnace |
11/27/2013 | CN103409633A A method of recycling vanadium from removed silicon slag |
11/27/2013 | CN103409627A Method for preparing low-silicon low-calcium low-aluminium vanadium liquid |
11/27/2013 | CN103409626A Method for asynchronously extracting and separating vanadium and manganese from solution containing V (IV) and Mn (II) |
11/27/2013 | CN103409624A Method for lixiviating molybdenum from roasted molybdenite |
11/27/2013 | CN102965525B Device and method for carrying out magnesium reduction and deoxidization on tantalum powder |
11/27/2013 | CN102766770B Bottom discharge device and discharge method for titanium sponge reactor |
11/27/2013 | CN102634670B Treating method for wastes in tungsten molybdenum complexing extraction technology |
11/27/2013 | CN102586631B Magnesium chloride downward discharge type discharge device for production of sponge titanium |
11/27/2013 | CN102534265B Smelting process of large-tonnage titanium cast ingot |