Patents for C22B 5 - General processes of reducing to metals (5,378)
04/1996
04/04/1996CA2176835A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method
03/1996
03/21/1996WO1996008585A1 Method for recovering metal and chemical values
03/19/1996US5500870 Process and device for the extraction of valuable substances
03/13/1996CN1118380A Process for producing high carbon content chrome iron
03/06/1996CN1118173A Process for extracting metal from metal ores
03/05/1996CA2046343C Fluidized bed type preliminary reducing furnace for oxide raw material
03/05/1996CA2025015C Direct smelting process
02/1996
02/29/1996WO1996006195A1 Process for blowing non-ferrous metal scrap and intermediate products from smelting works
02/29/1996DE4429937A1 Verfahren zum Verblasen von NE-Metall-Schrott und Hütten-Zwischenprodukten A method of blowing of non-ferrous metal scrap and huts intermediates
02/22/1996WO1995035393A3 Method for the production of steel
02/21/1996EP0449890B1 Process for the production of metals, alloys and ceramic materials
02/15/1996WO1996004407A1 Method of making metals and other elements
02/14/1996EP0696327A1 An electrical method for conversion of molecular weights of particulates
02/13/1996US5490952 Highly reactive form of copper and reagents thereof
02/13/1996US5490951 Zerovalent copper species capable of reacting with allylic halide or acetate to form allylic organocuprate; for synthesis of highly functional compounds
02/08/1996WO1996003181A1 Method for processing and inerting ashes obtained from solid residues subjected to thermal processes
02/06/1996US5489325 Process for producing metals and metal alloys in a smelt reduction vessel
01/1996
01/31/1996EP0694623A2 Method for processing metallic waste
01/30/1996CA2154936A1 Method for processing metallic waste
01/16/1996CA1337921C Method and apparatus for reduction of material containing metal oxide
01/16/1996CA1337919C Method and apparatus for producing matte and/or metal
01/09/1996US5482691 Process for the production of intermediates useful in the processing of ilmenite and related minerals
01/03/1996EP0689615A1 Method of recovering zinc
01/03/1996EP0615473B1 Method and device for removing one or more contaminations from a bulk material
12/1995
12/28/1995WO1995035393A2 Method for the production of steel
12/27/1995EP0594622B1 Solids feed system and method for feeding fluidized beds
12/19/1995CA1337743C Method and apparatus for producing molten metal from powder state ore
12/13/1995EP0621903B1 Method for reducing material containing metal oxide in solid phase
11/1995
11/29/1995CN1112467A Preparation from metal alkoxides of high purity metal powder
11/29/1995CN1030400C Process of reducing nonferrous metal oxides in slags
11/22/1995CN1030336C Process for smelting high grade Si-Ba-Ca alloy in smelting furnace
11/16/1995WO1995030626A1 Recovery of chemical values from industrial wastes
11/16/1995CA2188658A1 Recovery of chemical values from industrial wastes
11/08/1995CN1111287A Method and apparatus for recovery of valuable substance
11/07/1995US5464596 Method for treating waste streams containing zinc
11/02/1995EP0679197A1 Process for manufacturing corrosion resistant metal products
10/1995
10/31/1995CA1337456C Method of smelting metal oxide material
10/24/1995US5460642 Aerosol reduction process for metal halides
10/12/1995CA2185332A1 Improved fluidized bed process
10/10/1995CA1337241C Method for smelting reduction of iron ore and apparatus therefor
10/03/1995US5454853 Method for the production of steel
09/1995
09/28/1995WO1995025824A1 Aerosol reduction process for metal halides
09/27/1995CN1109102A Method and apparatus for directly deoxidation of powder mineral or fine mineral sand
09/26/1995US5453111 Method for separation of metals from waste stream
08/1995
08/29/1995US5445667 Separating prereduced particles from flue gas, cooling, carbiding, returning particles to fluidization chamber
08/24/1995DE19505339A1 Suspension melting of finely divided sulphur-contg. ores
08/23/1995CN1107183A Method and apparatus for suspension smelting
08/22/1995US5443614 Direct smelting or zinc concentrates and residues
08/16/1995EP0667200A1 Preparation of high-purity metal powder from metal alkoxides
08/16/1995CA2142254A1 Preparation from metal alkoxides of high purity metal powder
08/15/1995CA1336646C Reduced chromium-ore bearing powder and method for producing the same
08/10/1995DE19500962A1 Method and appts. for high-temperature treatment of fine-grained solids in a melting cyclone
08/08/1995US5439504 Direct-reduction process for directly reducing particulate iron-oxide-containing material
08/02/1995CN1106130A Method and furnace construction to be used in processes for producing easily volatile metals
07/1995
07/25/1995CA1336361C Process for preparing metal particles
07/11/1995US5431825 Method for the reduction and stabilization of metals
07/11/1995US5431711 Iron oxide to iron
07/06/1995WO1995017981A1 Method and furnace for treatment of ash
07/06/1995CA2178835A1 Method and furnace for treatment of ash
07/05/1995EP0661507A1 Process and apparatus for eliminating heavy metals and heavy metal containing compounds
07/04/1995CA1336136C Process for feeding heat energy into a molten metal bath
06/1995
06/29/1995WO1995017527A1 Process for extracting metal from metal ores
06/27/1995US5427749 Treating ore with carbonaceous reducing agent yields rutile, titanium-bearing impurities and metallic iron which is then dissolved with sulfuric acid for removal
06/27/1995CA1336042C Method of charging chromium ores in a smelting reduction
06/21/1995EP0652977A4 Treatment of titaniferous materials.
06/08/1995CA2137419A1 Process and device for removing heavy metals and compounds containing heavy metals
06/06/1995US5421857 Method for obtaining metals, their compounds, and alloys from mineral raw materials
05/1995
05/24/1995CN1028544C Pre-heating and pre-reduction of metal oxide ore using high temperature off-gases
05/17/1995EP0653496A1 Process and apparatus for the recovery of valuable materials
05/17/1995EP0652977A1 Treatment of titaniferous materials
05/17/1995CN1028437C Formula for producing silica-alumina iron by use of ore-heating method and prodn. process thereof
05/16/1995CA2135830A1 Process and device for the extraction of valuable substances
05/10/1995EP0652294A1 Method and furnace construction to be used in processes for producing easily volatile metals
04/1995
04/25/1995US5409584 Electrical method for conversion of molecular weights of particulates
04/25/1995US5409543 Dry soldering with hot filament produced atomic hydrogen
04/25/1995CA1335331C Non-ferrous metal recovery from metallurgical slag
04/15/1995CA2117958A1 Method and furnace construction to be used in processes for producing easily volatile metals
04/05/1995CN1101080A Method for production of high titanium iron by use of aluminothermy
04/04/1995US5403380 Method for producing easily volatile metals, such as zinc, lead, mercury and cadmium, of sulfidic raw materials
03/1995
03/30/1995WO1995008652A1 Roasting of titaniferous materials
03/30/1995CA2172277A1 Roasting of titaniferous materials
03/28/1995US5401295 Smelting reduction method with high productivity
03/22/1995CN1027978C Method and apparatus for manufacturing of high-grade nickel matte
03/15/1995CN1100149A Method for smelting iron alloy in ore roaster and carbonaceous reductant thereby
03/14/1995US5397375 Process for the production of metallic titanium and intermediates useful in the processing of ilmenite and related minerals
02/1995
02/28/1995CA2104983A1 Apparatus and process for the metallothermic reduction of an oxide of volatile metals
02/22/1995EP0639091A1 Method for indirect chemical reduction of metals in waste.
02/09/1995DE4326562A1 Process and apparatus for the direct reduction of fine ores or fine ore concentrates
02/07/1995US5386974 Apparatus for treating gases and particulate solids in a fluid bed
02/01/1995CN1098143A Aluminothermy for smelting Mg using magnesite and dolomite as raw materials
01/1995
01/17/1995US5382277 Process for reducing fine-grain iron oxide materials with a gas
12/1994
12/27/1994CA2036916C Prereduction furnace of a smelting reduction facility of iron ore
12/20/1994US5374299 In-flight oxidation in first reaction zone; sulfidation or reduction of reaction products in second zone
12/13/1994US5372681 Preparation of molten salt electrolytes containing divalent titanium
12/13/1994US5372630 Contacting a mixture of slag and molten matte containing zinc sulfide and iron sulfide with an oxygen-containing carrier gas
12/06/1994US5370726 Iron oxide and aluminum
11/1994
11/30/1994CN1095690A Method and plant for reduction magnetizing sulfuric acid sludge from acid plant
11/30/1994CN1026797C A process for producing metals and metal alloys in a smelt reduction vessel
11/24/1994WO1994026941A1 Method and equipment for thermolytic vacuum processing of solid products, with continuous separation and recovery of a liquid fraction of these products
11/17/1994EP0624656A1 Process and installation for the treatment of solid products by vacuumthermolysis with continuously separation and recovery of a liquid fraction of these products
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