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 1 - Preliminary treatment of ores or scrap
Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434)
06/2010
06/16/2010CN101736147A Compound sintering method for powdery iron-containing waste mini-pellets
06/16/2010CN101736146A Specularite pellets and smelting method thereof
06/16/2010CN101348861B Curing method of rust bonded pellet
06/16/2010CN101260459B Stone coal vanadium-extracting roasting technique
06/16/2010CN101144135B Technique for producing environment-friendly nickel/cobalt/iron alloy and system thereof
06/10/2010WO2010064731A1 Process for producing sintered ore and sintering apparatus
06/10/2010WO2010064717A1 Process for producing sintered ore
06/10/2010US20100139456 Reduction treatment apparatus and method of reduction treatment
06/09/2010EP2193862A1 Use of CuCr waste shavings for the production of CuCr contact blanks
06/09/2010CN101724747A Method for preparing briquetting furnace burden of submerged arc furnace with innocent adhesion and thermal treatment enhancement technology
06/09/2010CN101724746A Internal-combustion ferro-coke pellets/lump ores and method for manufacturing same
06/09/2010CN101724745A Production method of metallized pellet
06/09/2010CN101724428A Method for modifying oil and method for preparing magnetite pulverulent body
06/09/2010CN101476044B Method for recycling platinum and rhodium from binary aqua regia insoluble slag
06/09/2010CN101413053B Additive for strengthening reduction and separation of laterite-nickel ore
06/09/2010CN101386921B Method for separating V-Ti-Fe fine powder
06/09/2010CN101321879B Granulation method of sintered raw material, and sintered ore production method
06/09/2010CN101302580B Preparation of all-sefstromite concentrate pellet ore
06/09/2010CN101280355B Closed cavity smelting furnace for non-ferrous metal
06/09/2010CN101184855B Method for pretreatment of raw materials for sintering
06/08/2010US7731777 hydrometallurgical method for separating the precious metals and impurities from copper electrolysis; purification by leaching, calcination, oxidation, sulfation, reduction or by extraction
06/03/2010US20100132509 Method for thiosulfate leaching of precious metal-containing materials
06/02/2010EP2191024A1 Microwave treatment of bulk particulate material
06/02/2010CN101717855A Method for removing copper and arsenic of iron ore
06/02/2010CN101717854A Method for producing metallized pellet by using metallurgical roasting furnace
06/02/2010CN101717853A Method for preparing sintered mixture from municipal sludge and ferrous iron containing metallurgical dust
06/02/2010CN101717852A Sintering method of high-Ti type V-Ti magnetite concentrate
06/02/2010CN101717851A Mineral dressing reducing agent of lean-iron refractory ferric oxide minerals
06/02/2010CN101492775B Torrefaction additive for extracting vanadium pentoxide from vanadium-containing bone coal and method of use thereof
06/02/2010CN101445868B Technique for proportioning different materials in steel plant
06/02/2010CN101435027B Method for recycling high purity molybdenum from molybdenum-containing spent catalyst
06/02/2010CN101260460B Technique for producing agglomeration by mixing sulfuric acid residue and concentrate
06/02/2010CN101220410B Negative pressure sintering process for end wind box
06/02/2010CN101157984B Method for deoxidizing vanadium-titanium ferroferrite by non-tube tunnel kiln
05/2010
05/27/2010WO2010058111A1 Method for agglomerating industrial dust, in particular using a briquetting technique
05/27/2010CA2739406A1 Method for agglomerating industrial dust, in particular using a briquetting technique
05/26/2010EP2189547A1 Process for producing reduced iron pellets, and process for producing pig iron
05/26/2010EP2189546A1 Process for manufacturing molded products of direct-reduced iron and process for manufacturing pig iron
05/26/2010CN1754971B Batchwise working-up recycling materials in a rotatable reactor
05/26/2010CN1738915B Method for producing metallic iron
05/26/2010CN1653198B Method for separating platinum group element
05/26/2010CN1571853B Combination method for processing zinc silicate concentrate or mine and zinc sulphide calcined concentrate
05/26/2010CN101715493A Process for precious metal recovery from a sulphide ore or concentrate or other feed material
05/26/2010CN101713024A Fluorine-containing magnesium oxide pellet ore
05/26/2010CN101713023A Forming method for metallurgical industry dust and sludge containing hazardous elements for reduction technology
05/26/2010CN101713022A Ore proportioning and sintering method
05/26/2010CN101713007A Technique method for directly producing sponge iron by carrying out deep reduction on extracted vanadium tailings
05/26/2010CN101311281B Green metallurgical process for integrated utilization of nickel laterite ore
05/25/2010CA2521321C Method and apparatus for producing reduced iron
05/19/2010EP2185737A1 Use of alumina-carbon agglomerates in the carbothermic production of aluminum
05/19/2010CN201476599U Tube-type air preheater using dezincing high-temperature waste heat of metallurgical rotary hearth furnace
05/19/2010CN201475968U Rotary furnace zincum-containing dust recovery system horizontal exhaust-heat boiler
05/19/2010CN101709389A Composite additive for extracting vanadium from stone coal and using method thereof
05/19/2010CN101709388A Process for separating vanadium by chloridizing and roasting vanadium slag
05/19/2010CN101709381A Method for producing high-titanium iron
05/19/2010CN101709375A Method for extracting metallic molybdenum in molybdenum-nickel ore by lye pressing immersion method
05/19/2010CN101709372A Iron scale sintering production method
05/19/2010CN101709371A Method for extracting molybdenum nickel from carbon molybdenum nickel lean ores
05/19/2010CN101709370A High-Arsen gold ore pretreatment method
05/19/2010CN101709369A Method for jointly producing chromium salt and ferrochromium alloy by sintering with wet and fire methods
05/19/2010CN101709341A Method for treating iron-containing waste materials in iron and steel plant
05/19/2010CN101260458B Comprehensive utilization method for high-arsenic pyrite
05/19/2010CN101225481B Metallurgical extraction method for molybdenum-tungsten oxide bulk concentrate
05/19/2010CN101177729B Simple substance reduction method for metallic ore and reducing roasting unit specially designed for this method
05/19/2010CN101104873B Method for fusing and reducing iron by employing iron ore hot pressing carbon-containing agglomerate
05/19/2010CN101082084B Technique for reclaiming smelting refined bismuth from bismuth slag
05/19/2010CN101073790B Reduction-mill concentration treatment for different-type red-clay nickel mine
05/18/2010US7717979 reacting ferrous sulfate (FeSO4) and solid sodium hydroxide to obtain three kinds of iron oxides crystalline Fe3O4, amorphous ferric oxide Fe2O3 and amorphous ferric oxide monohydrate Fe2O3.H2O; used to remove hydrogen sulfide from the gaseous and liquid state feed stocks; energy efficiency
05/13/2010US20100117253 Solid composition having enhanced physical and electrical properties
05/13/2010US20100116090 Method for recovering metal
05/12/2010CN1920064B Method of producing magnetic iron concentrate from limonite
05/12/2010CN1916196B Method for producing fine powder of magnetite from active iron ore
05/12/2010CN1869257B Pelleting machine and material treatment system for tank having the same
05/12/2010CN101705378A Method for comprehensively recovering valuable metals from complex alloys containing stibium, tellurium, indium, germanium and silver
05/12/2010CN101705377A Method for extracting vanadium from stone coal by wet-process enrichment and pyrogenic-process conversion
05/12/2010CN101705364A Comprehensive recycling technology of high-charcoal molybdenum-containing gold and silver ore
05/12/2010CN101705356A Sintering technology of ferrochrome mineral powder
05/12/2010CN101705355A Technique for producing metallurgical pellets
05/12/2010CN101705354A Silicon-magnesium laterite-nickel ore cold sintering ball and preparation method thereof
05/12/2010CN101705353A Multi-functional composite additive for intensifying direct reduction of low-grade superfine hematite
05/12/2010CN101705352A Ore crushing method
05/12/2010CN101705333A Reduction and utilization method of dedusting ash of stainless steel
05/12/2010CN101705317A Harmless process method for chrome slag by utilizing metallurgy sintering and blast furnace
05/12/2010CN101245409B Method for producing iron ore concentrate with high arsenic ferro-sulphur ore concentrate
05/12/2010CN101240375B Iron sinter efflorescence-resisting agent and producing method thereof
05/12/2010CN101191153B Pyrite selectivity inhibition technique for secondary copper sulfide mineral biological lixiviation process
05/12/2010CN101191149B Coal gasification-pore iron ore magnetic roasting coupling technique and device
05/12/2010CN101036032B Charging device for a strip sintering machine
05/11/2010CA2448999C Gold and silver recovery from polymetallic sulfides by treatment with halogens
05/11/2010CA2348436C Sulfatisation process for metal extraction from sulfide ores
05/11/2010CA2335739C Process for chlorine recovery
05/06/2010WO2010050462A1 Method of separating arsenic mineral from copper-containing substance with high arsenic content
05/06/2010US20100107822 Apparatus and method for manufacturing iron block using iron pieces
05/06/2010US20100107820 Method for drying copper sulfide concentrates
05/06/2010US20100107819 Method for the recovery by melting of at last one non-ferrous metal, and product for the implementation of the method
05/06/2010US20100107817 Method for recovering valuable metals from wastes
05/06/2010US20100107815 Use of alumina-carbon agglomerates in the carbothermic production of aluminum
05/05/2010EP2059617B1 Dual stage process for the rapid formation of pellets
05/05/2010CN201445937U Hang type steam and water spraying device for large-sized sintering mixing machine
05/05/2010CN1842604B Self-reducing, cold-bonded pellets and manufacturing method thereof
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