| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 10/10/2002 | WO2002079527A1 Method for compacting rolling-mill scale |
| 10/10/2002 | WO2002079521A1 Method for recovering recyclable metals contained in solid residues from iron and steel industries by means of carbothermic reduction and distillation, in solid and liquid states |
| 10/09/2002 | EP1108070B1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 10/09/2002 | EP0861908B1 Method of manufacturing sintered ore and sintering machine therefor |
| 10/08/2002 | US6461400 Process for extracting quantities of precious metals |
| 10/03/2002 | WO2002076648A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 10/03/2002 | WO2000036165A3 Heavy caesium salt containing liquids for use in separation processes |
| 10/02/2002 | EP1245686A2 Method and apparatus for leaching zinc concentrates |
| 10/02/2002 | CN1091871C Apparats for preheating and supplying scraps |
| 09/26/2002 | WO2002075230A1 Method and device for treating bulk products |
| 09/26/2002 | WO2002075009A1 Method for curing self-reducing agglomerates |
| 09/26/2002 | WO2002075008A2 Method for using a pre-jel for producing self-reducing agglomerates |
| 09/26/2002 | WO2002075005A2 Method for the use of electric steel plant slag for self-reducing agglomerates |
| 09/26/2002 | WO2002075002A1 Method and apparatus for practicing carbonaceous-based metallurgy |
| 09/26/2002 | WO2001088212A3 Method for thiosulfate leaching of precious metal-containing materials |
| 09/26/2002 | US20020134201 On ore handling points comprising applying aqueous solution of alkyl polyglucoside; leaching with bacteria to recover metal |
| 09/26/2002 | DE10113516A1 Cooling a pourable material, eg cement clinker, on an advancing grid, comprises passing a gas stream through the grid and the material |
| 09/26/2002 | CA2440243A1 Method and apparatus for practicing carbonaceous-based metallurgy |
| 09/25/2002 | EP0972088B1 Process for treating a material containing metal and organic matter, including metal separation |
| 09/24/2002 | US6455018 Recovery of precious metal and other values from spent compositions/materials |
| 09/19/2002 | WO2002072899A2 Method for recovering zirconium values from a hard rock ore containing zircon and uranium |
| 09/19/2002 | WO2002072894A1 Arrangement and method for reducing build-up on a roasting furnace grate |
| 09/19/2002 | DE10202417A1 Verfahren zur Herstellung eines verbesserten Beschickungsmaterials zur Verwendung in metallurgischen Verfahren A process for preparing an improved feed material for use in metallurgical processes |
| 09/19/2002 | CA2439768A1 Method for recovering zirconium values from a hard rock ore containing zircon and uranium |
| 09/18/2002 | EP1034313B1 Device and process system for preheating steel scrap |
| 09/17/2002 | US6451273 Method of producing an active mineral liquid from granite |
| 09/17/2002 | US6451250 Method for operating a sintering plant |
| 09/17/2002 | US6451086 Using hearth furnace |
| 09/17/2002 | US6451085 Agglomeration of powder mixture |
| 09/17/2002 | US6451084 Iron oxide waste agglomerates and method of assisting a steel-making operation |
| 09/17/2002 | US6451083 Heating in electric arc furnaces |
| 09/17/2002 | CA2222401C Apparatus and process system for preheating of steel scrap for melting metallurgical furnaces with concurrent flow of scrap and heating gases |
| 09/17/2002 | CA2006871C Process and compositions for pelletising particulate materials |
| 09/12/2002 | US20020124691 Mechanically separate into cathode and anode material |
| 09/12/2002 | DE10131554C1 Device for degreasing metallic material, especially light metal chips produced during the processing of die cast parts, comprises a process chamber with a vacuum pump, capacitors |
| 09/12/2002 | DE10108738A1 Verfahren zum Herstellen eines Speichersteins für ein Elektrospeicherheizgerät A method of manufacturing a storage block for an electric storage heater |
| 09/11/2002 | EP1123740B1 Process for grinding noble metals in liquid medium |
| 09/10/2002 | US6447669 Recycling of galvanic cells |
| 09/06/2002 | WO2002033134A3 Basic treatment of ores for the recovery of metals therefrom |
| 09/05/2002 | US20020123019 Rotary hearth furnace for producing reduced metal and method of producing reduced metal |
| 09/04/2002 | EP1235942A1 Nickel powder desulfurisation |
| 08/29/2002 | WO2002066692A1 Pelleting or briquetting of disperse metallurgical wastes with the aid of plastic binder derived from treated plastics waste |
| 08/29/2002 | WO2002066688A1 Method of granulation treatment of raw material for iron making and granulation treatment agent for iron making |
| 08/29/2002 | WO2002059386A8 Improved beneficiation process for concentration/calcination of zinc silicate ores and minerals |
| 08/29/2002 | US20020119068 Low cost feedstock for titanium casting, extrusion and forging |
| 08/28/2002 | EP1234892A2 Method of making a storage block for an electrical night-storage heating device |
| 08/28/2002 | CN1366086A Process for sphericizing metallic powder and its usage |
| 08/28/2002 | CN1366085A Composite surficial additive for sinterred ore of blast furnace |
| 08/22/2002 | WO2002064846A1 Silicate binders including calcium bearing curing agent |
| 08/22/2002 | US20020112968 Production of high purity vanadium compound from vanadium-containing carbonaceous residues |
| 08/21/2002 | EP1232289A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 08/15/2002 | US20020108470 Process for agglomerating particulate material and products made from such processes |
| 08/14/2002 | CN1364394A 高效感应熔化系统 Efficient induction melting systems |
| 08/14/2002 | CN1363696A Process for removing As and S elements from high-As and high-S gold ore concentrate |
| 08/13/2002 | US6432166 Dust control |
| 08/13/2002 | CA2264865C A method for processing refractory auriferous sulfide ores involving preparation of a sulfide concentrate |
| 08/08/2002 | WO2002061158A1 Fluidized bed chloride method for obtaining metal oxide concentrate, especially titanium dioxide |
| 08/08/2002 | US20020104783 Method of the magnetic loading of a sintering material |
| 08/08/2002 | US20020104406 By removal of impurities contained in the material especially radionuclides; heating to form a solid titaniferous phase and a liquid oxide or glassy phase in the presence of a promoter, cooling and leaching |
| 08/07/2002 | EP1228257A1 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores |
| 08/07/2002 | CN2504583Y Multi-roller distributing device |
| 08/06/2002 | US6428604 Hydrometallurgical process for the recovery of nickel and cobalt values from a sulfidic flotation concentrate |
| 08/06/2002 | US6428602 Method for recovering platinum from platinum-containing coatings on gas turbine engine components |
| 08/06/2002 | US6428597 Using polyoxypropylene glycol, an alkylphenol ethoxylate and a paraffin oil solvent |
| 08/01/2002 | WO2002059386A1 Improved beneficiation process for concentration/calcination of zinc silicate ores and minerals |
| 08/01/2002 | WO2002020854A3 Jetting system and method for disagglomerating particulate material |
| 07/25/2002 | US20020096017 Method for producing an improved charging stock for use in metallurgical processes |
| 07/24/2002 | CN1360063A Temp-controlled multi-stage sinter process and equipment for fixating S and As of impregnated superfine gold ore |
| 07/24/2002 | CN1360061A Rotary hearth furnace and method for producing reduced metal |
| 07/18/2002 | WO2002055745A1 Method for pelletization of iron ore |
| 07/18/2002 | US20020092377 Method for thiosulfate leaching of precious metal-containing materials |
| 07/18/2002 | CA2433853A1 Method for pelletization of iron ore |
| 07/17/2002 | CN1358870A Carbon containing cold consolidated globular ore capable of keeping strength from normal temp. to high temp. |
| 07/17/2002 | CN1087784C Method for reducing reductive powdering rate of artificial rich minerals at low temperature |
| 07/16/2002 | US6419755 Chemical delacquering process |
| 07/16/2002 | CA2023534C Agglomeration of particulate material |
| 07/11/2002 | WO2002053788A1 Method for the recovery of base and precious metals by extractive chloridation |
| 07/11/2002 | DE10103977C1 Titanium dioxide concentrate recovery, for use in production of rutile and pigments, by contacting ore containing titanium and iron with carbon in fluidized bed in presence of chlorine and oxygen |
| 07/10/2002 | CN2499406Y Preheating mixed material device by directly using industrial hot waste gas |
| 07/04/2002 | WO2002052050A1 Method for loparite concentrate processing |
| 07/03/2002 | EP1051527B1 High efficiency recovery process and apparatus for the pyrolysis treatment and halogenation of multi-element waste |
| 07/02/2002 | US6412642 Method of applying marking to metal sheet for scrap sorting purposes |
| 07/02/2002 | CA2059879C Waste treatment process |
| 06/27/2002 | WO2002050484A1 Plant for the thermal treatment of material and operation process thereof |
| 06/27/2002 | WO2002049964A1 Production of synthetic rutile by continuous leaching |
| 06/26/2002 | EP1217318A1 Plant for the thermal treatment of material and operation process thereof |
| 06/26/2002 | EP1216312A1 Process for manufacturing corrosion resistant composite metal products |
| 06/25/2002 | US6410304 Method of biotreatment for solid materials in a nonstirred surface bioreactor |
| 06/25/2002 | US6409978 Heating to the structural reorganization transition temperature of said mineral to freely migrate the impurity from the crystal lattice and combine with the halogen anion and matrix-forming additive, chlorination |
| 06/25/2002 | US6409964 Fully hydrated high-alumina cement as the binder; strength at elevated temperatures; eaf and bof dusts suitable for use in iron smelting procedures |
| 06/25/2002 | US6409798 Process for recovering metal material from waste material |
| 06/25/2002 | US6409790 Processing metal oxides with carbon and heat |
| 06/25/2002 | US6409022 Mineral collector compositions and processes for making and using same |
| 06/20/2002 | WO2002048036A1 Extraction of silica and magnesium compounds from olivine |
| 06/19/2002 | EP0882141B1 Direct ironmaking or steelmaking apparatus using self-reducing iron oxide pellets |
| 06/13/2002 | US20020070122 Production, refining and recycling of lightweight and reactive metals in ionic liquids |
| 06/12/2002 | EP1213362A2 Rotary hearth furnace for producing reduced metal and method of producing reduced metal |
| 06/12/2002 | EP1165845A4 Method and apparatus for removing undesirable metals from iron-containing materials |
| 06/11/2002 | US6401635 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 05/29/2002 | CN1351179A Process for sphericizing broken agglomerate |