| 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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| 08/12/2004 | WO2004018717A3 Electrostatically enhanced tribochemical methods and apparatus |
| 08/12/2004 | US20040156764 separating waste catalysts of an internal-combustion engine having metallic catalyst carriers, without chemicals and toxic substances |
| 08/12/2004 | US20040155388 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 08/12/2004 | US20040154436 Method for producing granular metal |
| 08/11/2004 | EP1445564A1 Process and installation for heat treatment of mineral raw materials |
| 08/10/2004 | US6773485 Method for recovering catalytic metals using a porous metal filter |
| 08/10/2004 | CA2256135C Method of producing reduced iron pellets |
| 08/05/2004 | WO2004065641A1 An improved smelting process for the production of iron |
| 08/05/2004 | US20040151644 Method of recovering a cleaning agent |
| 08/05/2004 | DE19842658B4 Verfahren zur Behandlung von Lithiumionen-Abfallbatterien A method for the treatment of lithium-ion batteries waste |
| 08/04/2004 | EP1443121A1 Process of neutralizing and recycling digested residues from the sulphate process production of dioxide of titanium |
| 08/04/2004 | EP1442146A1 Method and device fro controlling the proportion of crystals in a liquid-crystal mixture |
| 08/04/2004 | EP1354172B1 Plant for the thermal treatment of material and operation process thereof |
| 08/03/2004 | US6770249 Hydrometallurgical process utilizing an atmospheric calcium chloride leach to selectively recover from various metal feed stocks |
| 08/03/2004 | US6770115 Reclaiming from post consumer scrap and/or secondary turnings; controlled temperature and environment rotary drying |
| 08/03/2004 | CA2389866C Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 07/29/2004 | WO2004063227A2 Solvent extraction landfill system and method |
| 07/29/2004 | WO2004039492A3 Gas cleaning process and equipment therefor |
| 07/29/2004 | US20040146440 Crushing and screening potliner freed from metal debris; pulverization and suspension in hot aqueous slurry; autogenous grinding in air tumbler; leaching, thickening, filtration, and calcination; separating Bayer Liquor, solid sodium fluoride |
| 07/29/2004 | DE10303287A1 Improving filter cake neutralization in titanium dioxide production by sulfate process, involves using a basic-reacting solution or suspension in the membrane chamber filter press |
| 07/28/2004 | EP1144701B1 Processing of uranium-bearing materials by fluorination followed by separation of uranium hexafluorides in a plasma reactor |
| 07/28/2004 | CN1516744A Method for producing granular metal |
| 07/28/2004 | CN1515695A Method for smelting main machine plate and waste hardwares and its equipment |
| 07/27/2004 | US6767382 Aluminium processing apparatus and process for separating aluminium from a mixture of aluminium and aluminium dross |
| 07/21/2004 | EP1439237A1 Recycling process for electric arc furnace dust and product obtained therefrom |
| 07/20/2004 | US6764848 Method for accelerated remediation of manure-contaminated material |
| 07/20/2004 | US6764642 Shredder dust feeding device, reverberatory furnace provided with this feeding device, and furnace for burning shredder dust |
| 07/15/2004 | US20040136899 Recovery of titanium dioxide from titanium oxide bearing materials like steelmaking slags |
| 07/15/2004 | US20040136889 reprocessing heavy metal chlorides by precipitated the hydroxides, then thickened in the form of sludge and further dewatered; landfilling |
| 07/14/2004 | EP1437420A1 Method for producing titanium oxide containing slag |
| 07/13/2004 | US6761858 Method and apparatus for processing ashes of incinerator plants |
| 07/08/2004 | US20040131424 Solvent extraction landfill system and method |
| 07/08/2004 | DE10261705A1 Process to remove heavy metals from contaminated soil by planting or seeding with plants of the Thlapsi variety with Mycorrhiza fungal spores |
| 07/07/2004 | EP1435674A1 Integrated fixation systems |
| 07/07/2004 | EP1225236B1 Process and apparatus for continuous vacuum purification of molten metal |
| 07/07/2004 | CN1510151A Cobalt slag containing treating method |
| 07/01/2004 | WO2004033748A3 Method to recover spent components of a sputter target |
| 07/01/2004 | US20040126292 Using carbon material; oxidation to carbon dioxide; exothermic reaction |
| 07/01/2004 | US20040124569 invention relates to an apparatus and method for treating containerized feed materials without having to first remove the materials from the containers. |
| 06/30/2004 | EP1432837A1 Integrated prefabrication of reinforced concrete elements including production of concrete reinforcing bars and upgrading of the slag produced |
| 06/30/2004 | EP0627014B2 Recovery of non-ferrous metals from dross |
| 06/30/2004 | CN1155728C 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 |
| 06/30/2004 | CN1155534C Method of utilizing dusts produced during the reduction of iron ore |
| 06/29/2004 | US6755901 Ammonia removal from fly ash |
| 06/29/2004 | US6755891 Process for the treatment or removal of impurities in a hydrometallurgical extraction process |
| 06/29/2004 | US6755887 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 |
| 06/24/2004 | WO2004053174A1 Method and system for extracting metal from glass waste |
| 06/24/2004 | WO2004053173A1 METHOD FOR RECOVERING VALUABLE METAL FROM WASTE CONTAINING V, Mo AND Ni |
| 06/24/2004 | US20040118248 Dissolving; alkaline treatment in brine solutions, then acidification |
| 06/23/2004 | EP1431464A1 Counterweight and method for recycling the same |
| 06/23/2004 | EP1430960A1 Method of recycling process cartridge and method of recycling metal materials constituting process cartridge containing toner |
| 06/23/2004 | CN1507498A Method and installation for utilziing waste products, which contain hydrocarbons and iron oxide particularly mill scale sludges and coal fines |
| 06/17/2004 | WO2004050927A1 Method for separating platinum group element |
| 06/17/2004 | WO2004050926A1 A process for the recovery of adsorbed palladium from spent silica |
| 06/17/2004 | WO2004050925A1 Method for treating slag |
| 06/17/2004 | WO2004050924A1 Cold briquetting and pelletisation of mineral fines using an iron-bearing hydraulic binder |
| 06/17/2004 | WO2003021708A3 Recycling used electric cells by hydrometallurgical treatment |
| 06/17/2004 | US20040111854 Method and appratus of recycling printed circuit board |
| 06/16/2004 | EP1428798A1 Method of treating heavy-metal-containing wastewater with sulfidizing agent and treatment apparatus |
| 06/16/2004 | EP1222019B1 Method for separation of a molten mixture |
| 06/16/2004 | CN1505689A Method of recycling metallic coated scrap pieces |
| 06/10/2004 | WO2004048636A2 Method of cleaning a coated process chamber component |
| 06/10/2004 | WO2004048621A1 Production of metals and alloys using solid carbon produced from carbon-containing gas |
| 06/10/2004 | US20040109800 System and process for removal of pollutants from a gas stream |
| 06/10/2004 | US20040108633 Method and system for extracting metal from glass waste |
| 06/10/2004 | US20040108632 Method and system for extracting metal from glass waste |
| 06/10/2004 | US20040107800 Process for cold briquetting and pelletisation of ferrous or non-ferrous ores or mineral fines by iron bearing hydraulic mineral binder |
| 06/08/2004 | US6745679 Grinding sludge compacting machine |
| 06/03/2004 | US20040103512 Method and apparatus for reclamation of precious metals from circuit board scrap |
| 06/02/2004 | EP1423546A1 Molten metal pump and furnace for use therewith |
| 06/01/2004 | CA2393187C Oxy-fuel combustion system and uses therefor |
| 05/27/2004 | WO2004044578A1 Separating vessel |
| 05/27/2004 | US20040102658 For recovering rhodium catalysts from homogeneously catalysed hydroformylation reactions of olefins with carbon monoxide |
| 05/27/2004 | US20040099396 Method for forming consumable electrodes from metallic chip scraps |
| 05/27/2004 | US20040099285 Method of cleaning a coated process chamber component |
| 05/26/2004 | EP1216312B1 Process for manufacturing corrosion resistant composite metal products |
| 05/25/2004 | US6740138 Melting iron material and carbon material to produce a high-carbon molten iron whose carbon content is not lower than 1% |
| 05/19/2004 | DE10249520A1 Dissolving iron out of an iron-based collector alloy, especially in mobilization of noble metals from spent catalysts, involves addition of ferric chloride and chlorine |
| 05/19/2004 | CN1150341C Vacuum distiller for reclaiming used batteries |
| 05/13/2004 | WO2004040027A1 A process for simultaneous recovery of chromium and iron from chromite ore processing residue |
| 05/13/2004 | WO2004039492A2 Gas cleaning process and equipment therefor |
| 05/13/2004 | US20040092782 Generation of a creosote-like mixture, or recovery of metals, or both from preserved wood by reaction in supercritical water |
| 05/13/2004 | US20040091014 Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials |
| 05/13/2004 | US20040089841 Compositions for improved recovery of metals |
| 05/13/2004 | US20040089102 Unit and method for the treatment of shredder residues and use of granulate fraction thus produced |
| 05/13/2004 | DE10251163A1 Process for recovering transition metals from organic solvents acting as catalysts comprises using ligand systems to desorb the metals from sulfur-containing exchange materials, and expelling the exchange materials with heterocycles |
| 05/13/2004 | CA2505935A1 Gas cleaning process and equipment therefor |
| 05/12/2004 | CN1496420A Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes |
| 05/12/2004 | CN1496415A A method for precipitation of silica in connection with zinc ore leaching |
| 05/12/2004 | CN1149294C Method of extracting metal gallium forjm smelting smoke dust of corundum arc funace |
| 05/11/2004 | US6733564 Leaching with sulphuric acid in presence of small amount of an additive |
| 05/11/2004 | US6732547 Method for the treating stainless steel refining slag |
| 05/06/2004 | WO2004038047A1 Process for magnesium granules |
| 05/06/2004 | WO2004037453A1 Method for clarifying soil |
| 05/06/2004 | WO2004037369A2 System and process for removal of pollutants from a gas stream |
| 05/06/2004 | WO2002018663A8 Selective recovery of aluminium, cobalt and platinum values from a spent catalyst composition |
| 05/06/2004 | US20040086438 Process for simultaneous recovery of chromium and iron from Chromite Ore Processing Residue |
| 05/06/2004 | US20040083856 Contacting mineral ore with aqueous solution of silica and sodium hydroxide, potassium hydroxide, and/or ammonium hydroxide; breaking structural arrangement; releasing, solubilizing, extraction |
| 05/06/2004 | CA2503431A1 Method for clarifying soil |
| 05/05/2004 | CN1493707A New technology of copper convertor flue dust slag cluster smelting lead and its cluster formale |