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)
04/2014
04/02/2014CN102959105B Substance for collection of metal, metal collection method using the substance, and metal separation/collection apparatus using the substance
04/02/2014CN102912158B Method for smelting ferrovanadium by fine vanadium slag
04/01/2014US8685137 Recycling of tungsten carbides
04/01/2014CA2566293C Tungstic acid powder consisting of spherical tungsten particles and method for producing same
03/2014
03/27/2014WO2014045579A1 Molten salt bath for dissolving wc-co super-hard alloy, and method for separating and recovering tungsten and cobalt
03/26/2014CN203498453U Hot-charging blast furnace slag carbonization electric furnace
03/26/2014CN103667746A Preparation method of pure vanadium ingot
03/26/2014CN103667745A Production method of sponge titanium
03/26/2014CN103667734A Method for smelting pure titanium to manufacture ingot heads by using electron beam cold bed smelting furnace
03/26/2014CN103667710A Technology for clean production of vanadium pentoxide employing high-calcium vanadium slag
03/26/2014CN103667680A Leaching technology for tailings clinker containing vanadium
03/26/2014CN103667676A Method for purifying molybdenum concentrate through microwave-acid leaching combined technologies
03/26/2014CN102925685B Compound solvent for extraction separation of tungsten and molybdenum and using method thereof
03/26/2014CN102560152B Reaction device for producing titanium sponge
03/25/2014CA2624296C A method of recovering a valuable metal comprising v, mo and ni, and a system for such recovery
03/20/2014DE112012001499T5 Tantalrückgewinnungsverfahren Tantalum recovery process
03/19/2014CN203487215U Oxygen-enriched shaft furnace roasting system of scherbinaite-containing coal
03/19/2014CN203487214U Sponge titanium reduction reactor and device for blocking sponge titanium therein from discharging
03/19/2014CN203487211U Titanium clinker preparation system applied to high titanium slag smelting process
03/19/2014CN103643045A Treatment method of vanadium extraction tailings
03/19/2014CN103643039A Vanadium-containing liquid classifying method
03/19/2014CN103643031A Method of mixing and roasting vanadium-containing material
03/19/2014CN103060579B Vacuum rotary kiln for treating molybdenite concentrate
03/19/2014CN102643977B Molten liquid phase roasting method of chromite
03/13/2014WO2014038762A1 Method for leaching valuable metals contained in waste denitrification catalyst by using roasting and water leaching
03/13/2014WO2014037385A1 Iron and tungsten containing pellets and iron, tungsten and molybdenum containing pellets
03/12/2014EP2705169A1 Processes for recovering rare earth elements from various ores
03/12/2014CN103627892A Method for extracting vanadium from stone coal by utilizing fluidized bed
03/12/2014CN103627834A New technology for extracting iron and producing titanium slag by direct reduction of ilmenite
03/05/2014CN203464755U Raw material preheating device
03/05/2014CN103614575A Vertical external-combustion roasting furnace
03/05/2014CN103614574A Calcium method-based roasting alkaline leaching process of vanadium ore coal
03/05/2014CN103614566A Method for extracting vanadium and chromium from converter vanadium chromium slag
03/05/2014CN103614565A Steel slag tailings vanadium extracting process
03/05/2014CN103614564A Method for continuously smelting vanadium-containing ferrophosphorous
03/05/2014CN103614563A Comprehensive recovery and processing method for red mud waste residues and titanium dioxide spent liquor
03/05/2014CN103614545A Method for treating low-grade tungsten concentrate and tungsten slag
03/05/2014CN103614544A Clean roasting process for extracting vanadium pentoxide from vanadium-containing ore through progressive-kiln calcification roasting
03/05/2014CN103613167A Infinite cyclic utilization technology of acidic vanadium mother liquor ion exchange tail water
03/05/2014CN102864316B High-temperature creep elongation proof device for sponge titanium reduction and distillation reactor barrel
03/05/2014CN102859013B Titanium bearing material flow control in manufacture of titanium tetrachloride using combination of feedback and feed forward responses
03/05/2014CN102762753B Titanium bearing material flow control in manufacture of titanium tetrachloride with silica content monitoring of titanium product
02/2014
02/26/2014CN203451593U Smelting device for smelting titanium by utilizing blast-furnace titanium slag
02/26/2014CN103602821A Titanium slag stripping machine
02/26/2014CN103602820A Method for efficiently recovering iron, vanadium and chromium from extracted vanadium tailings
02/26/2014CN103602819A Comprehensive recovery method of vanadate-chromate-containing solution
02/26/2014CN103602814A Method for preparing vanadium nitride alloy
02/26/2014CN103602807A Treating method of removed molybdenum slag produced from tungsten smelting processes
02/26/2014CN102936660B Method for leaching vanadium from vanadous stone coal roasting slag
02/26/2014CN102766761B Method for extracting vanadium pentoxide from vanadium containing clay ores
02/26/2014CN102690953B Method for preparing compound powder of alumina and chrome oxide from chromium-containing aluminum sludge
02/25/2014US8657917 Method for recycling metals from waste molybdic catalysts
02/20/2014WO2014028161A1 Methods for reducing impurities in magnesium, purified magnesium, and zirconium metal production
02/20/2014US20140050608 Methods for reducing impurities in magnesium, purified magnesium, and zirconium metal production
02/19/2014EP2698196A1 Method for obtaining silicon and titanium by generating electromagnetic interactions between sio2 and fetio3 particles and magnetic waves
02/19/2014CN103589872A Method for recovering titanium from red mud slag
02/19/2014CN103586006A Method of aminopyridine modified resin for adsorbing rhodium octanoate dimer and metal ions
02/19/2014CN103011537B Method for treating sludge containing trivalent chromium and recovering heavy metal
02/19/2014CN102851507B Vanadium slag sodium modification roasting method
02/19/2014CN102766762B Roasting process for extracting vanadium from stone coal
02/19/2014CN102453809B Heating component of reduction distillation furnace and processing method
02/19/2014CN102242281B Reactor top cover for titanium sponge production
02/12/2014CN103572075A Method for extracting tungsten from alkaline crude sodium tungstate solution without renewable recyclable extracting system
02/12/2014CN103572063A Method for cleanly and efficiently recovering vanadium from vanadium slag by employing sodium-free roasting
02/12/2014CN103572062A Method for recovering vanadium from desilication slag
02/12/2014CN103572058A Method for gathering rear-earth rear elements from sulfuric acid-process titanium white waste liquor and preparing white gypsum
02/12/2014CN103572046A Method for dissolving niobium-tantalum ore with KOH for extracting niobium and tantalum
02/12/2014CN103572045A Alkali-acid combined technology for processing low-grade niobium-tantalum ore
02/12/2014CN103103358B Method for recovering metal by use of APT (ammonium paratungstate) waste slag
02/12/2014CN102978406B Regeneration method for rhenium-containing high-temperature alloy scrap
02/12/2014CN102560102B Method for leaching nickel and molybdenum from nickel-molybdenum ores by catalytic oxidation
02/12/2014CN102337565B Liquid level detection and control device for enclosed electrolytic cell
02/11/2014CA2510926C Fluidized bed method and plant for the heat treatment of solids containing titanium
02/05/2014CN103557694A Necking-type rotary kiln for vanadium extraction of stone coal
02/05/2014CN103557692A Flaring-type rotary kiln for vanadium extraction of stone coal
02/05/2014CN103555972A Method for leaching vanadium by curing stone coal vanadium ore by use of sulfuric acid
02/05/2014CN103555971A Device and method for judging blockage of distillation channel during production of titanium sponge
02/05/2014CN103555962A Method for comprehensively recovering selenium, vanadium and silver from vanadium silver polymetallic ore containing selenium employing wet process
02/05/2014CN103555947A New technology for melting ilmenite
02/05/2014CN103555942A Method of decomposing tungsten concentrate
02/05/2014CN103555941A Method for preparing extraction stock solution through stone coal vanadium extraction
02/05/2014CN103555933A Method for extracting molybdenum and nickel and enriching precious metals from nickel and molybdenum ores
02/05/2014CN103555932A Method for roasting molybdenum concentrate
02/05/2014CN102816941B Process and device for producing high-oxygen sponge titanium
02/05/2014CN102517460B Method for purifying tantalum powder and tantalum target
01/2014
01/30/2014WO2014017206A1 Electron beam smelting furnace and method for operating electron beam smelting furnace using same
01/29/2014CN203411591U Energy-saving device for adsorbing acidic vanadium solution through thickened resin layer type ultrahigh exchange column
01/29/2014CN203411589U Stone coal navajoite shaft furnace roasting system
01/29/2014CN103540772A Two-end-point-arranged pure titanium smelting method
01/29/2014CN103540752A Method for enriching scandium, titanium and vanadium from sulfuric acid method titanium dioxide waste acid, and for treating waste acid
01/29/2014CN103540751A Method for treating titanium tetrachloride refining tailings
01/29/2014CN103540745A Method for preparing high-purity vanadium from heteropolyacid impurity in amine extraction mode
01/29/2014CN102925667B Independent container for producing rich-titanium material and preparation method of rich-titanium material with independent container
01/29/2014CN102899511B Method for smelting high-purity metal chromium by external furnace method
01/28/2014US8636967 Metal recovery from hydroconverted heavy effluent
01/28/2014US8636966 Compositions and methods for treating nuclear fuel
01/23/2014US20140023573 Process for controlling carbonyl sulfide produced during chlorination of ores
01/22/2014CN103526057A Method of comprehensive recovery of rare precious metals in rare earth smelting slag
01/22/2014CN103526052A Method for recovering tungsten from tungsten-containing fluorite mine
01/22/2014CN103526051A Method for separating iron, vanadium and titanium from schreyerite
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