| 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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| 09/26/2002 | WO2002002833B1 Preparation of pure ferric chloride from hydrochloric acid solutions by solvent extraction |
| 09/26/2002 | US20020134963 For removal of residues from integrated circuits; comprises a choline compound, water and an organic solvent |
| 09/26/2002 | US20020134399 Self-cleaning solar cells for integration into solar power satellite system; for use in temporary moon-stations/ facilities |
| 09/26/2002 | DE10114179A1 Vorrichtung zum Einschmelzen von Aluminiumschrott Apparatus for melting aluminum scrap |
| 09/25/2002 | EP1243663A2 Method and apparatus for melting aluminium scrap |
| 09/25/2002 | EP1242638A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds |
| 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 | WO2002072921A2 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 09/19/2002 | WO2002072896A1 A method for the precipitation of silica in connection with zinc ore leaching |
| 09/19/2002 | WO2002072205A2 Method for increasing the dry residue in wet-processed cyclone dust of the chlorination of titanium ore |
| 09/19/2002 | US20020130041 Method of regenerating a phase-change sputtering target for optical storage media |
| 09/19/2002 | DE10111895A1 Verfahren zur Erhöhung des Trockenrückstandes bei aufgearbeitetem Zyklonstaub A method for increasing the dry residue at reclaimed cyclone dust |
| 09/19/2002 | CA2440858A1 A method for the precipitation of silica in connection with zinc ore leaching |
| 09/19/2002 | CA2439061A1 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 09/18/2002 | EP1240646A2 Nuclear fuel dissolution |
| 09/17/2002 | US6451250 Method for operating a sintering plant |
| 09/17/2002 | US6451086 Using hearth furnace |
| 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 |
| 09/12/2002 | WO2002070756A2 Recovery of metals from jarosite-containing materials |
| 09/12/2002 | US20020124691 Mechanically separate into cathode and anode material |
| 09/12/2002 | DE10108738A1 Verfahren zum Herstellen eines Speichersteins für ein Elektrospeicherheizgerät A method of manufacturing a storage block for an electric storage heater |
| 09/12/2002 | CA2340567A1 Recovery of metals from metal silicates |
| 09/11/2002 | EP1064412B1 Method for transforming slag derived from non-iron metallurgy |
| 09/11/2002 | CN1090827C Process for recovery of metals from used nickel-metal bydride accumulators |
| 09/10/2002 | US6447669 Recycling of galvanic cells |
| 09/06/2002 | WO2002068331A1 Process for treating red mud to recover metal values therefrom |
| 09/05/2002 | US20020121158 Impurities are eliminated by evaporation by stirring the molten metal in the molten liquid; recovered into a refined molten liquid recovery chamber placed under an atmospheric pressure outside of the evacuated chamber. |
| 09/04/2002 | EP1235952A1 Method of electrochemical in situ disposal of metal structures |
| 09/04/2002 | EP1235941A1 Recovery of metal values from aqueous solutions and slurries |
| 09/04/2002 | CN1090225C Method of eliminating mercury from liquid hydrocarbons |
| 09/03/2002 | US6444010 Aqueous solution of hydrogen peroxide, hydrogen fluoride and high concentration of hydrochloric acid or sulfuric acid; dissolving palladium, iridium, osmium, ruthenium and rhenium for removal from silicon surface or silicon oxide film |
| 08/29/2002 | WO2002066712A1 Electrorefining process for separating metals |
| 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 | WO2002066164A1 Facility and method for treating muck containing metal |
| 08/29/2002 | DE10206834A1 Anlage und Verfahren für die Behandlung von metallhaltigem Haufwerk System and method for the treatment of metal-heap |
| 08/28/2002 | EP1234892A2 Method of making a storage block for an electrical night-storage heating device |
| 08/28/2002 | EP1234061A1 Apparatus and process to extract heat and to solidify molten material particles |
| 08/28/2002 | EP0762918B1 Fluid extraction of metals and/or metalloids |
| 08/27/2002 | US6440194 Recovery of precious metals from metal alloys produced aluminothermically from base metal smelter slag |
| 08/22/2002 | WO2002065622A1 Coil removing method and removing auxiliary device |
| 08/22/2002 | WO2002064257A2 Method and device for preparing slag in order to form granulates |
| 08/22/2002 | WO2002020859A3 Method for the salt-free, non-oxidizing remelting of aluminum, the alloys thereof and aluminum scrap metals |
| 08/22/2002 | WO2002018663A3 Selective recovery of aluminium, cobalt and platinum values from a spent catalyst composition |
| 08/22/2002 | US20020114748 Recycling of spent pot linings |
| 08/22/2002 | US20020112968 Production of high purity vanadium compound from vanadium-containing carbonaceous residues |
| 08/22/2002 | US20020112568 Heating metal-inorganic particle composite material into melt, throwing flux into melt, leaving melt at rest to separate melt into upper layer containing inorganic particles and lower layer composed of metal, recovering layers individually |
| 08/21/2002 | EP1232289A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 08/21/2002 | CN1089374C Process for separating titanium component from titanium-contained slags |
| 08/20/2002 | US6438154 Method and apparatus for recovering metal values from liquid slag an baghouse dust of an electric arc furnace |
| 08/20/2002 | US6436358 Metals removal from spent salts |
| 08/20/2002 | US6436337 Substantially less hydrocarbon based fuel is required than conventional combustion systems without a loss of energy output; furnace |
| 08/20/2002 | US6435249 Method of recycling disk recording medium and apparatus for recovering metal reflective film |
| 08/14/2002 | EP1230408A1 Recovery of precious metals from coal burning slag by multiple crushing/suspension stages |
| 08/14/2002 | EP1034014B1 A process for separation of heavy metals and halogen from waste material or residue |
| 08/14/2002 | DE10111291A1 Verfahren zur Aufbereitung von Schlacken zu Granulaten A method for treating slags to form granules |
| 08/14/2002 | CN1363698A Process for preparing Mn-Si alloy from slags generated by smelting low-carbon ferromanganese |
| 08/14/2002 | CN1363697A Vacuum distiller for reclaiming used batteries |
| 08/13/2002 | US6432162 Process for melting ashes, slags or glass |
| 08/13/2002 | CA2232631C Treatment of waste products that contain organic substances |
| 08/08/2002 | WO2002061156A1 Method for separating, enriching and recovering palladium |
| 08/07/2002 | EP1229139A2 Smelting method for separating metal and inorganic particles from metal-inorganic particle composite material |
| 08/06/2002 | US6428603 Direct smelting process |
| 08/06/2002 | US6428602 Method for recovering platinum from platinum-containing coatings on gas turbine engine components |
| 08/06/2002 | US6428599 Iron-rich residue recyclable from the hydrometallurgical processing of flue dust |
| 08/01/2002 | US20020100345 Continuous process for transforming material, yielding controlled composition products and apparatus apt to carry out such process |
| 07/25/2002 | WO2002058081A1 Device for recovering copper from waste electric lines |
| 07/24/2002 | EP1225236A1 Process and apparatus for continuous vacuum purification of molten metal |
| 07/24/2002 | EP1224972A1 A method for recovering catalytic metals from a colloidal solution |
| 07/24/2002 | EP1224338A1 A process and apparatus for the removal of a contaminant from slag |
| 07/23/2002 | US6423281 Adding a first fraction of a zinc oxide (zno)/ammonium chloride (nh4cl) solution to given amount of water to form an intermediate solution and zno precipitate, and the second fraction to the intermediate solution; from industrial waste |
| 07/17/2002 | EP1222019A1 Method for separation of a molten mixture |
| 07/11/2002 | WO2002053788A1 Method for the recovery of base and precious metals by extractive chloridation |
| 07/10/2002 | CN1357639A Purifying agent recovering method |
| 07/09/2002 | US6416567 Removal of mercury from waste materials |
| 07/09/2002 | US6416251 Process for the stabilization of soluble chromium contaminated solid by down draft sintering |
| 07/09/2002 | CA2162626C Process for leaching nickel-copper matte |
| 07/04/2002 | US20020084559 Martensite; high strength, ductility |
| 07/04/2002 | US20020084220 Recovering a copper component from a cleaning agent that has been used for removing a phosphine or a silane contained as a harmful component in a harmful gas. |
| 07/03/2002 | EP1218797A1 Method to extract silver from a photographic developer |
| 07/03/2002 | EP1218554A1 Reclamation of metals like uranium from contaminated solids such as incinerator ash by fluorination and leaching |
| 07/03/2002 | EP1051527B1 High efficiency recovery process and apparatus for the pyrolysis treatment and halogenation of multi-element waste |
| 07/03/2002 | CN1357055A Method for receiving metallic chromium from slag contg. chromium oxide |
| 07/03/2002 | CN1356400A Technology and equipment for reclaiming non-ferrous metal ash |
| 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 | WO2002002833A3 Preparation of pure ferric chloride from hydrochloric acid solutions by solvent extraction |
| 06/27/2002 | WO2001098547A3 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 06/27/2002 | US20020082458 Continuously feeding into heated reaction chamber biomass material and exogenous metal oxide or its precursor, wherein the metal oxide is capable of forming a hydrolizable metal carbide, to form reaction products; quenching |
| 06/26/2002 | EP1217318A1 Plant for the thermal treatment of material and operation process thereof |
| 06/26/2002 | EP1216765A1 Method for invalidating coins, as well as a device for carrying out such a method |
| 06/26/2002 | EP1216312A1 Process for manufacturing corrosion resistant composite metal products |
| 06/26/2002 | CN1355324A Metallurgical technology for regenerating pure lead from Pb-contained waste without pollution |
| 06/25/2002 | US6409980 Process and apparatus for treating foundry sludge to recover magnesium |
| 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 | US6409793 Method for processing steel slags containing chromium |