Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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10/02/2001 | US6296479 Direct reduction method and rotary hearth furnace |
10/02/2001 | CA2036327C Thortveitite ore beneficiation |
09/27/2001 | WO2001032943A3 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores |
09/26/2001 | EP1136141A1 Treating apparatus, treating method and method of treating soil |
09/26/2001 | EP1135333A1 Feed processing for improved alumina process performance |
09/26/2001 | EP1029091B1 Method and unit for heat-treating fine-grained materials in a coarse-grained fluidized bed |
09/26/2001 | CN2450225Y Plunger hollow pellet machine |
09/26/2001 | CN1071796C Method and apparatus for producing iron and iron alloys from iron containing oxide |
09/25/2001 | US6293994 Mineral pelletisation |
09/25/2001 | US6293993 Forming mixture of waste with finely divided solid reducing agent and binder; compacting as agglomerates; adding to reactor containing bath of liquid copper or brass metal in which zinc and copper oxides are reduced; casting new brass |
09/25/2001 | US6293209 Process for treating a material containing metal and organic matter, including metal separation |
09/20/2001 | WO2001069153A1 Device and method for sealing pressure air blowing hood |
09/20/2001 | WO2001068926A1 Method for regulating a roasting furnace |
09/20/2001 | DE19538608C2 Verfahren zum Erschmelzen von Schrott Method for melting scrap |
09/19/2001 | CN1313407A Process for preparing Cr-contained sintered ore of blast furnace from powdered chromium ore and Fe-contained raw material |
09/13/2001 | WO2001066810A1 Method of sintering and sinter bed composition |
09/12/2001 | CN2447339Y Cooled agglomerated pellet for converter |
09/12/2001 | CN1312863A Process for heat-treating residues containing heavy metals and iron oxides |
09/12/2001 | CN1312862A Method for heat-treating residues containing heavy metal and iron oxide |
09/07/2001 | CA2302108A1 Method for inhibiting oil adsorption onto steel mill scale |
09/05/2001 | EP1129225A1 Sulfatisation process for metal extraction from sulfide ores |
09/05/2001 | CN1311723A Purification process for chromium |
09/04/2001 | US6284017 Method and facility for producing reduced iron |
08/29/2001 | CN2444961Y Acid oxide pelletizing roasting shaft furnace |
08/29/2001 | CN1070237C Process for producing acidic spheroidized ore |
08/29/2001 | CN1070236C Direct reduction method and equipment for iron-containing metal oxide agglomerates |
08/22/2001 | EP0980287B1 Process for regulating a circulating fluidised bed and use of the process |
08/22/2001 | CN1069928C Method for treating material contg. metal and organic metter, including metal separation |
08/16/2001 | EP1123740A1 Process for grinding noble metals in liquid medium |
08/15/2001 | CN2443003Y Blast ring type agglomerated ore cooler |
08/15/2001 | CN1069701C Pelletizing covering roasting oxidation method for sulfoarsenic metal ore |
08/14/2001 | US6274104 Non-ferrous metal recovery method utilizing a melt sulphation reaction |
08/14/2001 | US6273934 Method and an apparatus for producing metals and metal alloys |
08/14/2001 | CA2071626C Activation of a mineral species |
08/09/2001 | WO2001057279A1 Porous agglomerates containing iron and at least one further element from groups 5 or 6 of the periodic table for use as an alloying agent |
08/09/2001 | DE10103549A1 Verfahren zur Verbesserung (Aufbereitung) von geringwertigem kohlenstoffhaltigem Material A method for improving (processing) of low-grade carbonaceous material |
08/09/2001 | CA2397524A1 Porous agglomerates containing iron and at least one further element from groups 5 or 6 of the periodic table for use as an alloying agent |
08/08/2001 | EP1122324A1 Method of leaching zinc concentrate with spent electrolyte and added iron(III) residue |
08/08/2001 | EP1122323A1 Method for recovering platinum from platinum-containing coatings on gas turbine engine components |
08/07/2001 | US6270555 Process for treating precious metal ores |
08/07/2001 | US6270553 Production of metals and metal alloys; passing a gas at elevated temperature through bed of composite agglomerates, melting the metals, and collecting the molten metal |
08/07/2001 | US6270551 Process for treating metal oxide fines |
08/02/2001 | WO2001054819A1 Process for upgrading low rank carbonaceous material |
08/01/2001 | EP1119646A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
08/01/2001 | EP1119645A1 Process and apparatus for recovering metal material from waste material |
08/01/2001 | CN1306583A Ore comminution process using bed-compression method at low pressures and installation therefor |
08/01/2001 | CN1069111C Molding method of roasted concentrated molybdenum ore powder |
08/01/2001 | CN1069110C Tech. for comprehensive utilizing V-Ti magnetite |
07/25/2001 | EP1117845A1 Method for the production of a bulk of molten metal, a metallurgical product, and use of such a product |
07/25/2001 | EP1051242A4 Binder formulation used in forming mineral pellets |
07/25/2001 | CN1305015A Process for pre-treating metallurgical ore concentrate difficult to separate |
07/18/2001 | EP1115890A1 Method for producing directly reduced metal in a multi-tiered furnace |
07/18/2001 | EP0975816B1 Method for recycling brass foundry waste |
07/17/2001 | US6261527 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores |
07/12/2001 | WO2001049889A1 Process for treating precious metal ores |
07/12/2001 | WO2001049796A1 Chemical delacquering process |
07/11/2001 | EP1114193A1 Method for heat-treating recyclings containing oil and iron oxide |
07/11/2001 | CN1303444A Mineral collector compositions of fatty hydroxamic acid in admixture with oil and process of making same |
07/10/2001 | US6257879 Paired straight hearth (PSH) furnaces for metal oxide reduction |
07/10/2001 | CA1341274C Polymeric ore agglomeration aids |
07/05/2001 | WO2001048250A1 Method for utilizing activated carbon powder recovered from exhaust sintering gas treating apparatus |
07/05/2001 | WO2000050969A8 Mass generation of individual virtual servers, virtual web sites and virtual web objects |
07/05/2001 | US20010006606 Aluminium base alloy of scrap metal and casting alloy produced from this |
07/03/2001 | USRE37251 Pressure oxidation of an ore or concentrate in the presence of oxygen and an acidic solution containing halogen ions and a source of bisulfate or sulfate ions to extract non-cuprous metals |
06/27/2001 | EP1111077A1 Aluminium alloy produced from scrap metal and casting alloy so produced |
06/27/2001 | EP1109740A1 Feed processing for improved alumina process performance |
06/27/2001 | CN2436512Y Ventilation wall and water beam of drying ded for vertical furnace |
06/27/2001 | CN1300860A Method for removing coating from coated spheres |
06/27/2001 | CN1067727C Aluminium-dregs feeding method for iron steel metallurgy |
06/26/2001 | US6251163 Method for recovering gold from refractory carbonaceous ores |
06/26/2001 | US6251156 Method of producing molten iron in duplex furnaces |
06/24/2001 | CA2329561A1 Aluminium base alloy of scrap metal and casting alloy produced from this |
06/21/2001 | WO2001044524A1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals |
06/21/2001 | DE19960132A1 Verfahren zur Gewinnung von Kupfer und anderen Metallen A process for recovering copper and other metals |
06/21/2001 | CA2389504A1 Sulphidisation of sulphide ores for hydrometallurgical extraction of copper and other metals |
06/20/2001 | EP1108070A1 Method for the thermal processing of residues containing heavy metals and iron oxide |
06/19/2001 | US6248301 Process for treating ore having recoverable metal values including arsenic containing components |
06/14/2001 | WO2001042520A1 Method of high-temperature digesting titanium containing material with sulfuric acid |
06/14/2001 | WO2001042518A1 Method of digesting metal containing material at elevated temperature in the presence of sulphur oxide compound source such as h2s04 |
06/13/2001 | CN2434309Y Non-contact magnetic liquid sealing device of sintering machine |
06/13/2001 | CN1298959A Calcining equipment for sulfuride ore difficult to extract |
06/07/2001 | WO2001040527A1 Method for sintering ferroalloy materials |
06/05/2001 | US6241808 Production of iron ore pellets |
06/05/2001 | US6241803 Heating iron oxide with carbon to form iron and cooling |
05/30/2001 | EP1102651A1 Purification process for chromium |
05/30/2001 | CN2432222Y Cylindrical mixing pelletizer |
05/25/2001 | WO2001036694A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
05/23/2001 | EP1100747A1 Process for chlorine recovery |
05/23/2001 | CN1066203C Process for recovery of zinc from sphalerite containing ores or concentrates |
05/22/2001 | US6235085 High carbon content briquettes |
05/22/2001 | US6235074 An enameled copper wire having a polyester and/or a polyurethane based insulating coating thereon, and the process includes the steps of immersing the winding into an alkali solution, removing alkali attaching to the winding, and |
05/17/2001 | WO2001035701A1 High efficiency induction melting system |
05/17/2001 | WO2001034855A2 Method of pyroprocessing mineral ore material such as pellets in a rotary kiln for reducing combustion nox |
05/16/2001 | EP1098999A1 Melt and melt coating sulphation process |
05/16/2001 | EP1098998A1 Scrap metal weighing and on-line bulk material analysis process and apparatus |
05/16/2001 | EP0604452B2 Ore pelletisation |
05/15/2001 | US6231678 Chemical delacquering process |
05/15/2001 | US6231634 Solid waste mixture containing metal and water; uniform particle sizes; drying |
05/10/2001 | WO2001032945A1 Nickel powder desulfurisation |
05/10/2001 | WO2001032943A2 Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores |