Patents
Sitemap › C22 - Metallurgy; Ferrous or non-ferrous alloys; Treatment of alloys or non-ferrous metals › C22B - Production or refining of metals; Pretreatment of raw materials › C22B 34 - Obtaining refractory metals
Patents for C22B 34 - Obtaining refractory metals (6,435)
08/2010
08/25/2010CN101812601A Anti-blocking tube heating device for sponge production
08/25/2010CN101812593A Method for depositing vanadium wastewater by utilizing vanadium-extraction tailings and acid ammonium salt
08/25/2010CN101812588A Method for decomposing vanadium slag with solution of potassium hydroxide under normal pressure
08/25/2010CN101644536B Vacuum heating furnace for smelting spongy titanium and spongy zirconium
08/25/2010CN101435026B Titanium sponge 10-ton reduction-distillation furnace
08/25/2010CN101435025B Combined arrangement method of magnesium electrolysis shop and titanium sponge reduction distillation shop
08/25/2010CN101381818B Method for preparing intermediate salt during acid leaching and extraction of vanadium pentoxide from vanadium-containing stone coal ash
08/19/2010WO2010092358A1 A method for producing metal powders
08/19/2010CA2751630A1 A method for producing metal powders
08/18/2010CN201553769U Reduction reaction device for producing sponge titanium
08/18/2010CN101805190A Furnace lining material for converter extracting vanadium and preparation method thereof
08/17/2010US7776128 metallothermic reduction of titanium tetrachloride by a reducing agent such as magnesium; nanoparticles of titanium obtained from the reduction are simultaneously melted in a bath of molten titanium formed by the heat of an electric arc between a consumable titanium electrode and the molten titanium
08/12/2010WO2010090478A2 Method for leaching impurities contained in molybdenum oxide concentrates
08/12/2010WO2010090353A1 Titanium slab for hot-rolling, and smelting method and rolling method therefor
08/12/2010WO2010090313A1 Metal slab manufacturing device that uses an electron beam and metal slab manufacturing method using same
08/11/2010EP1845325B1 Apparatus for melting metal by electron beams and process for producing high-melting metal ingot using this apparatus
08/11/2010CN201545894U Impurity removal acid-washing extraction tank
08/11/2010CN201545893U Tantalum-Niobium decomposition tank
08/11/2010CN201543269U Extraction device
08/11/2010CN101798638A Method for producing chromium metal by using carbon reduction two-step method
08/11/2010CN101798637A Chemical desulfurization method of vanadium residues of acid leaching
08/10/2010US7771679 Process for the recovery of titanium dioxide from titanium-containing compositions
08/04/2010CN201538805U TiCl4 charging and shunting device
08/04/2010CN201538801U Clarification processing slag removal machine
08/04/2010CN201538687U Process unit for refining low-concentration Cl2 during the production of sponge titanium
08/04/2010CN201537427U Solution purifying device
08/04/2010CN101792852A Processing for recovering low-grade molybdenum oxide concentrate through wet process
08/04/2010CN101792851A Recovery process of low-grade oxidizing molybdenum ore
08/03/2010US7766992 Producing metallic articles by reduction of nonmetallic precursor compounds and melting
07/2010
07/28/2010CN101787450A Method for enriching tantalum and niobium, rare earth element, iron and phosphorus from rare metal ores
07/28/2010CN101787449A Method for producing ferromolybdenum through using mixture of molybdenum oxide lump waste materials and molybdenum oxide ammonia leaching residue
07/28/2010CN101787448A Comprehensive utilization process of high-carbon high-sulfur stone coal containing vanadium
07/28/2010CN101787432A Method for preparing acid-soluble titanium slag from high-titanium slag
07/28/2010CN101787431A Method for preparing acid-soluble titanium slag by high titanium slag through microwave irradiation
07/28/2010CN101787430A Method for increasing leaching rate of navajoite under navajoite kiln roasting condition
07/21/2010EP2208767A2 Method for polishing with the help of polish containing titanium
07/21/2010CN101781718A Method for extracting metal cobalt and tungsten from scrap hard alloy and special calcining device
07/21/2010CN101781717A Method for extracting Ti-rich compounds from Ti- containing slag
07/21/2010CN101333598B Method for separating and extracting metallic tungsten and molybdenum from molybdenum removal slag generated by smelting tungsten
07/20/2010US7758740 Electrochemical reduction of metal oxides
07/20/2010CA2514830C A method for increasing the chrome to iron ratio of chromites products
07/14/2010CN201525876U Tower type solar energy titanium sponge smelting system
07/14/2010CN101776391A Fluidized bed furnace used for vanadium extraction and decarbonization of stone coal
07/14/2010CN101775507A Extraction method for extracting vanadium pentoxide from low grade oxidized type navajoite
07/14/2010CN101775506A Leaching method of vanadium in vanadium-containing stone coal
07/14/2010CN101774018A Method for the production of niobium and tantalum powder
07/14/2010CN101289705B Process for abstracting vanadium from iron-smelting waste slag of vanadium -containing iron ore
07/07/2010EP1670961B1 Methods and apparatuses for producing metallic compositions via reduction of metal halides
07/07/2010CN101768673A Method for preparing titanium-rich material from titanium-containing slag
06/2010
06/30/2010CN201517886U Vacuum heating furnace for titanium sponge and zirconium sponge smelting
06/30/2010CN101765670A Process for the production of chromium metal nuggets from chromite ores/concentrates
06/30/2010CN101762153A Rotary kiln for extracting vanadium from stone coal
06/30/2010CN101760652A Technical method for selecting and smelting refractory complex molybdenum ore processed by combined process flow
06/30/2010CN101760651A Process for extracting vanadium by acid leaching of stone coal
06/30/2010CN101760650A Method for leaching vanadium in vanadium-containing stone coal by wet process
06/30/2010CN101760649A Bacterial leaching way of vanadium in high-sulfur vanadium stone-like coal
06/30/2010CN101760648A Novel method for extracting vanadium by stone coal wet method strengthening
06/30/2010CN101760647A Method of manufacturing high purity hafnium
06/29/2010US7744847 Upgrading of zircon
06/23/2010CN101748297A Method for preparing ammonium metavanadate from vanadium extraction leaching solution
06/23/2010CN101748296A Method for extracting vanadium from stone coal
06/23/2010CN101745242A Distillation kettle with heating equipment
06/23/2010CN101270418B Titanium sponge preparation technique
06/16/2010CN201508287U Tool for sampling titanium carbide slag
06/16/2010CN1894440B Electrochemical reduction of metal oxides
06/16/2010CN101736299A Process for preparing high-purity titanium target material
06/16/2010CN101736171A Method for separating and recovering molybdenum from tungstate solution with high molybdenum concentration
06/16/2010CN101736170A Environment-friendly method for vanadium extraction by composite roasting in shaft kiln
06/16/2010CN101736153A Method for extracting ammonium molybdate from molybdenum concentrate through pressure ammonia leaching
06/16/2010CN101476050B Preparation of Ti-6Al-4V titanium alloy large-sized casting ingot
06/16/2010CN101260459B Stone coal vanadium-extracting roasting technique
06/16/2010CN101218360B High-purity hafnium, process for producing the same, target and thin film comprising the high-purity hafnium
06/15/2010CA2513309C Process for the recovery of titanium in mixed chloride media
06/09/2010CN101724758A Method for recycling molybdenum of molybdenum-contained waste catalyst
06/09/2010CN101724757A Method for preparing low-silicon and low-phosphorous vanadium liquid
06/09/2010CN101724756A Phosphorus and silicon removing method of vanadium-contained clinker leaching liquor
06/09/2010CN101724755A Method for recovering titanium dioxide from blast furnace slag of vanadium titano-magnetite
06/09/2010CN101724754A Reduction and distillation furnace
06/09/2010CN101724752A Method for smelting medium ferrovanadium
06/09/2010CN101724751A Method for smelting high vanadium ferrovanadium
06/09/2010CN101386921B Method for separating V-Ti-Fe fine powder
06/09/2010CN101215647B Roasting technique for extracting vanadium from stone coal vanadium ore
06/03/2010US20100135876 Process for solubilizing, reducing and fixing hexavalent chromium contained in chromite ore processing residue into trivalent chromium
06/02/2010CN201497373U Double-layer movable furnace discharging device
06/02/2010CN201497365U Fast sealing cover for reduction distillation furnace air inlet
06/02/2010CN201497326U Special decarburization roasting oven for extracting vanadium from stone coal
06/02/2010CN201495270U Heat-insulating reactor for titanium sponge production
06/02/2010CN201495268U Vertical dump leaching tank of navajoite calcination materials
06/02/2010CN101717867A Method for extracting vanadium through oxygen-enriched roasting and vanadium-extracting device
06/02/2010CN101492775B Torrefaction additive for extracting vanadium pentoxide from vanadium-containing bone coal and method of use thereof
06/02/2010CN101435027B Method for recycling high purity molybdenum from molybdenum-containing spent catalyst
06/02/2010CN101386922B Method for extracting molybdenum by roasting high impurity sodium carbonate nickel-ferro-molybdenum
06/02/2010CN101186969B Method for separating rare earth, iron, copper, cobalt and tungsten from alloy
06/01/2010CA2468855C Process for the treatment of molybdenum concentrate
05/2010
05/27/2010US20100129279 Extraction and Purification of Minerals From Aluminium Ores
05/26/2010CN201488528U Magnesium reduction retort with wind belt heated board
05/26/2010CN101713029A Comprehensively-utilizing process of waste residue containing vanadium, molybdenum, nickel and cobalt
05/25/2010CA2338716C Benefication of titania slag by oxidation and reduction treatment
05/20/2010DE102008064648A1 Reaktionsgefäß zur Herstellung von Metallpulvern Reaction vessel for the preparation of metal powders
05/19/2010CN201476539U Forced cooling type reduction distillation furnace
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