| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
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| 06/20/2002 | WO2002048412A1 Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags |
| 06/20/2002 | US20020073804 Oxidizing the objects of thoriated tungsten to form thorium-containing or thorium-oxide-containing tungsten oxide pieces, homogenizing tungsten oxide pieces, and reducing homogenized tungsten oxide pieces under hydrogen gas |
| 06/20/2002 | CA2431257A1 Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags |
| 06/19/2002 | CN1354266A Process for recovering copper and nickel from their metal mixture |
| 06/13/2002 | US20020072644 Contacting substantially whole waste tires with molten reactant metal; collecting process gases released from molten reactant metal during reaction period; containing tires on carrier; removing unreacted solids |
| 06/13/2002 | US20020070122 Production, refining and recycling of lightweight and reactive metals in ionic liquids |
| 06/12/2002 | EP1165845A4 Method and apparatus for removing undesirable metals from iron-containing materials |
| 06/12/2002 | CN1353202A Process for treating metal sulfide ore |
| 06/11/2002 | US6401635 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material |
| 06/06/2002 | WO2002008474A3 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 06/06/2002 | US20020068188 Method for depositing metal and metal oxide films and patterned films |
| 06/06/2002 | DE10056722A1 Verfahren zur Inertisierung von staubförmigen siliziummetallhaltigen Rückständen der Trichlorsilansynthese im Wirbelbett Method for inerting of powdered silicon metal-containing residues of trichlorosilane in a fluidized bed |
| 06/04/2002 | US6399851 Method and apparatus for removing mercury and organic contaminants from soils, sludges and sediments and other inert materials |
| 05/30/2002 | WO2002042502A2 Method and equipment for handling dross and recovering the non-ferrous metals contained therein |
| 05/30/2002 | WO2001071049A3 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation |
| 05/28/2002 | US6395242 Production of zinc oxide from complex sulfide concentrates using chloride processing |
| 05/28/2002 | US6395241 Process for recovering the carbide metal from metal carbide scrap |
| 05/28/2002 | US6395221 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation |
| 05/28/2002 | US6395060 Furnace flue dust processing method |
| 05/28/2002 | US6395052 Method for producing directly-reduced iron, liquid pig iron and steel |
| 05/23/2002 | WO2002040103A1 Method for rendering inert dust residue containing silicon metal |
| 05/23/2002 | US20020060383 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation |
| 05/22/2002 | EP1066128B1 Metal powders obtained from residue of material removal processes on iron parts produced by chill casting |
| 05/22/2002 | CN1350595A Method for smelting non-ferrous metal sulphides in a suspension smelting furnace in order to produce matte of a high non-ferrous metal content and disposable slay |
| 05/22/2002 | CN1350065A Comprehensive utilization of waste from aluminium smeltery |
| 05/22/2002 | CN1085257C Steel slag and ferriferous material reprocessing process useful to produce pig iron and environmentally compatible slags |
| 05/21/2002 | US6391165 Reclaiming cadmium and tellurium from solar cells |
| 05/21/2002 | US6391088 Heat treatment residues, oils and iron oxide in furnace |
| 05/21/2002 | US6391086 Self reducing agglomerate for use in refining, forming molten iron from iron oxide, reductant, slags from steel production and fluxing |
| 05/21/2002 | US6391085 Metal feedstock from wasted metal products |
| 05/21/2002 | CA2360608A1 Recovery of precious metals from metal alloys produced aluminothermically from base metal smelter slag |
| 05/21/2002 | CA2224148C Process for making shaped copper articles |
| 05/16/2002 | US20020056951 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc |
| 05/15/2002 | EP1205565A1 Process of melting oxidic slags |
| 05/15/2002 | EP1205564A2 Method of recovering a copper and/or a manganese component from a particulate gas cleaning agent |
| 05/15/2002 | EP1204998A1 High efficiency process for treating mixed metal waste |
| 05/15/2002 | EP1204773A1 Method for the preparation of fine grain ores |
| 05/15/2002 | CN1348999A Copper-nickel slag treating method |
| 05/10/2002 | WO2002036834A2 Method and apparatus for utilising recyclings containing iron and heavy metals while involving the use of a melting cyclone, a separating vessel, and a vessel for carrying out metallurgical treatment |
| 05/10/2002 | WO2002036504A2 Method for cleaning blinded filter media and preventing filter blinding |
| 05/10/2002 | WO2002036495A1 Process for recovering the carbide metal from metal carbide scrap |
| 05/08/2002 | DE10053492A1 Anlage und Verfahren zur Aufbereitung von Shredder-Rückständen und Verwendung einer erzeugten Sand-Fraktion System and method for sorting shredder residues and generated using a sand fraction |
| 05/08/2002 | DE10053491A1 Processing shredder residues of metal-containing waste comprises producing raw shred fraction by separating ferromagnetic fraction, non-ferrous metal-containing fraction, granulate fraction and sand fraction |
| 05/08/2002 | DE10053488A1 Processing shredder residues of metal-containing waste comprises producing raw granulate fraction by separating ferromagnetic fraction, non-ferrous metal-containing fraction, granulate fraction and sand fraction |
| 05/08/2002 | DE10053487A1 Method for processing shredder residues of metal-containing waste comprises separating the shredder residue into a shredder light fraction and a non-ferromagnetic fraction |
| 05/07/2002 | US6383252 Method for the heat treatment of residues containing heavy metals |
| 05/02/2002 | WO2002034402A1 Unit and method for processing of shredder residues and use of a sand fraction produced thus |
| 05/02/2002 | WO2002034401A1 Unit and method for the treatment of shredder residues |
| 05/02/2002 | WO2002034400A1 Unit and method for the treatment of shredder residues and use of granulate fractions thus produced |
| 05/02/2002 | WO2002034399A1 Installation and method for processing shredder residues and use of a shred fraction so produced |
| 05/02/2002 | US20020050229 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances |
| 05/02/2002 | US20020050188 Direct smelting process |
| 04/30/2002 | US6379527 Recovering heavy metals with lignin and mineral acids |
| 04/30/2002 | US6379423 Device for sponge iron |
| 04/30/2002 | US6379421 Demetallization lead, zinc and cadmium from iron materials |
| 04/25/2002 | WO2002033136A1 Agglomerated elements and method for treating metallurgical dust |
| 04/25/2002 | WO2002033135A1 Precious metal scavenging from a liquid medium with a functionalised polymer fiber |
| 04/24/2002 | EP1199373A1 Agglomerates of and process for the treatment of metallurgical dust |
| 04/24/2002 | EP1198599A1 Method for conditioning slag with the addition of metallurgical residual materials and an installation for the same |
| 04/24/2002 | EP1198305A1 Recovery of heavy metals in waste treatment |
| 04/24/2002 | EP1019554B1 Pyrometallurgical method and device for separating zinc and/or cadmium from lead in metallurgical residues |
| 04/24/2002 | CN1083303C Method of decontaminating nuclear waste-contg. soil |
| 04/24/2002 | CN1083302C Method of decontaminating soils containing haxardous metals |
| 04/23/2002 | US6375908 Waste gases are conveyed from the furnace through a multistage filter, liquid, paste-like and/or solid feed mixture is mixed with additives; feed mixture is blown together with oxidizing or reducing agent; subjected to chemical/thermal treatment |
| 04/17/2002 | EP0745144B2 Method for recovery of non-ferrous metals from scrap and dross |
| 04/17/2002 | CN1082826C Solvent extraction for metalic matter |
| 04/17/2002 | CN1082825C Fluid extraction of metal and/or metalloid |
| 04/16/2002 | US6372011 Reprocessing in the presence of pig iron; low energy expenditure and capital investment |
| 04/11/2002 | WO2002028513A2 Systems and processes for removal of pollutants from a gas stream |
| 04/10/2002 | EP1194597A1 Method for recovering metallic chromium from slag containing chromium oxide |
| 04/10/2002 | EP1194596A1 Method and installation with smelting and reduction cyclone and a coupled lower furnace for utilising residual material containing iron and heavy metals and optionally iron ore |
| 04/09/2002 | US6368380 Method of melt-removing impurity elements from iron |
| 04/03/2002 | EP1193318A1 Method for recycling of articles consisting of thorium-tungsten |
| 04/03/2002 | EP1192288A1 Method for treating metal-containing waste by pyrometallurgy |
| 04/03/2002 | CN1343261A Improvements in and relating to processing materials |
| 04/03/2002 | CN1342779A Process for recovering metals Pt, Re and Al from waste reforming catalyst |
| 04/02/2002 | US6364930 Centrifugal separation achieving high degree of demixing; intermetallics in a galvanizing bath |
| 04/02/2002 | US6364929 For recovering pig iron and environmentally safe slag; mixed slag having a basicity cao/sio2 between 1.2 and 2.5; carbon carriers hot air is top-blown for after burning; hot offgases are drawn off tangentially |
| 04/02/2002 | CA2191243C Fluid extraction |
| 03/28/2002 | WO2002024575A1 Method of forming nanograin tungsten carbide and recycling tungsten carbide |
| 03/27/2002 | CN1081785C Scrap conveyor |
| 03/26/2002 | US6361753 Reacting calcium hydroxide at an elevated temperature and pressure under an inert atmosphere to produce essentially chlorine-free zinc oxide at substantially 100% yield. |
| 03/21/2002 | WO2002023651A1 A method for recycling spent lithium metal polymer rechargeable batteries and related materials |
| 03/21/2002 | WO2001046481A3 Thermodestruction and inertisation of halogenated wasted in a metallurgical reactor |
| 03/21/2002 | US20020033123 Gasification melting furnace for wastes and gasification melting method |
| 03/21/2002 | US20020033076 Comminution, slurrying, heating, controlling temperature |
| 03/21/2002 | DE10038566A1 Verwertung von ölbelastetem Walzenzunder in Schachtöfen und Konvertern Recovery of oil-contaminated mill scale in blast furnaces and converters |
| 03/19/2002 | US6357099 Preparation of metal feedstock from wasted metal products |
| 03/19/2002 | CA2177766C Method and apparatus of treating dusts containing oxides |
| 03/14/2002 | WO2002020859A2 Method for the salt-free, non-oxidizing remelting of aluminum, the alloys thereof and aluminum scrap metals |
| 03/14/2002 | WO2002020858A1 Method for recuperating metal elements from zinc-bearing raw materials using molten lead |
| 03/14/2002 | WO2002020856A1 Manufacturing method for zinc sulfate, manganese sulfate and ferrous sulfate |
| 03/14/2002 | WO2002020451A1 Recovery of metals by incineration of metal containing basic ion exchance resin |
| 03/14/2002 | WO2002020408A1 Method for separating metals such as zirconium and hafnium |
| 03/14/2002 | US20020030308 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation |
| 03/14/2002 | US20020030035 Thermoset resins to provide oxygen protection packaging for electronics or food |
| 03/14/2002 | US20020029660 Providing bed of agglomerates containing ore and carbonaceous reductant on hearth of furnace, heating radiant heat source to reduce iron oxides in ore or waste oxides to metallic iron |
| 03/14/2002 | DE10042112A1 Verfahren zur Behandlung wertstoffhaltigen Staubes A method for treating dust containing recyclable materials |
| 03/13/2002 | EP1187224A1 Recycling method for CdTe/CdS thin film solar cell modules |
| 03/13/2002 | EP1185717A1 Oxidative pressure leach recovery of precious metals using halide ions |