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