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