| 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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| 12/26/2002 | US20020195754 Shredder dust feeding device, reverberatory furnace provided with this feeding device, and furnace for burning shredder dust |
| 12/26/2002 | US20020195376 Method for the separation of a mixture of differing particulate types |
| 12/26/2002 | US20020194960 Thermally treating the valuables recovered from the scrap containing the valuable metals in the non-oxidizing atomopshere, after carbon removal step, metling thus obtained decarbonized metal |
| 12/26/2002 | US20020194959 Heat treatment method for treating mobile waste |
| 12/25/2002 | CN1096893C Lightweight compact waste treatment furnace |
| 12/24/2002 | US6497745 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 12/24/2002 | US6497023 Apparatus for forming metal feedstock from waste metal products |
| 12/19/2002 | WO2002101102A1 Method of recycling metallic coated scrap pieces |
| 12/19/2002 | WO2002100563A1 Method and apparatus for decomposing material containing organic substance |
| 12/19/2002 | US20020190442 Oxy-fueled aluminum recovery method |
| 12/17/2002 | US6494933 Method of utilizing secondary raw materials containing iron, zinc and lead |
| 12/12/2002 | WO2002099145A1 Method for recovering metals from the flying ashes generated in an integrated gasification combined cycle-type (igcc) thermal station |
| 12/12/2002 | US20020185791 Oxy-fueled waste incinerator and method |
| 12/12/2002 | DE10134286C1 Device for distilling molten metal comprises a pot-like lower housing part for receiving a melt crucible and an upper housing part connected to the lower housing part |
| 12/11/2002 | EP1264643A1 Heat treatment method for treating waste |
| 12/11/2002 | EP1263995A1 Method of sintering and sinter bed composition |
| 12/11/2002 | CN1383956A Welding flux and welding slag separator |
| 12/10/2002 | CA2237173C Apparatus and method for use in waste recycling and conversion |
| 12/06/2002 | WO2001096249A1 Device and method for treating a refuse material containing hydrocarbons |
| 12/06/2002 | CA2411066A1 Apparatus and process for treating a hydrocarbonaceous waste material |
| 12/05/2002 | WO2002097142A1 Device and method for treating oil-adhered particles |
| 12/05/2002 | US20020182710 Bioremediation of manure to generate fertilizer; obtain manure, acidify, particularize, mix with nutrients, recover fertilizer |
| 12/05/2002 | US20020180122 Method for oxy-fueled combustion |
| 12/05/2002 | US20020179751 Method of recovery of precious metals & heavy minerals |
| 12/04/2002 | EP1262567A2 Molten steel producing method |
| 11/28/2002 | DE10204831A1 Verfahren zur Herstellung indiumhaltiger wässriger Lösungen, die verminderte Mengen an metallischen Verunreinigungen enthalten A process for the preparation of aqueous solutions indiumhaltiger which reduced amounts of metallic contaminants |
| 11/27/2002 | EP1260599A2 Rotary drum furnace for the pyrometallurgical treatment of waste in fluidised bed |
| 11/27/2002 | EP0951571B1 Fluid extraction of metals or metalloids |
| 11/27/2002 | CN1382227A Production of zinc oxide from complex sulfide concentrates using chloride processing |
| 11/27/2002 | CN1382226A Recovery of precious metals from coal barning slag by multiple crushing/suspension stages |
| 11/27/2002 | CN1382225A Process and apparatus for removal of contaminant from slag |
| 11/27/2002 | CN1381601A Regenrated Si-Mn alloy |
| 11/27/2002 | CN1381600A Process for preparing permanent-magnet rare-earth powder from regenerated permananent-magnet rare-earth material |
| 11/27/2002 | CN1381402A Method for preparing aqueous solution container indium with low-content metal impurities |
| 11/27/2002 | CN1094985C High-silicon low-vanadium iron smelting technology using high-vanadium iron slag as material and its technology |
| 11/26/2002 | US6485696 Recovery/removal of metallic elements from waste water using ozone |
| 11/26/2002 | US6485629 Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant |
| 11/26/2002 | CA2335866C Blast furnace with narrowed top section and method of using |
| 11/21/2002 | DE10212416A1 Recovery of copper hydroxide, useful as raw material for copper, and filtrate containing nitrogen compounds useful in denitrification of combustion exhaust gas, comprises mixing acid and alkaline copper concentrates |
| 11/21/2002 | DE10128335C1 Process for cleaning and re-melting contaminated light metals in fine form or light metal alloys comprises heating the metals in a crucible while mechanically stirring, evacuating the crucible, increasing the temperature etc. |
| 11/20/2002 | EP1257674A1 Method for upgrading steel plant dust |
| 11/19/2002 | US6482371 Process for separation of heavy metals and halogen from waste material or residue |
| 11/19/2002 | CA2257157C Method for accelerated chemical and/or biological remediation and method of using an apparatus therefor |
| 11/14/2002 | WO2002090604A2 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines |
| 11/14/2002 | WO2002012573A3 Use of oil-charged mill-scale in shaft furnaces and converters after chemical binding and pelleting thereof |
| 11/14/2002 | US20020168309 Method for recovering catalytic metals |
| 11/14/2002 | US20020168302 For removal of pollutants, such as oxides of sulfur, oxides of nitrogen, fly ash, mercury compounds, and elemental mercury from gases generated from the burning of fossil fuels |
| 11/14/2002 | US20020167120 Mercury recovery method and mercury recovery apparatus |
| 11/13/2002 | EP1042842B1 Recycling of galvanic cells |
| 11/13/2002 | EP0764042B1 Fluid extraction |
| 11/13/2002 | CN1379430A Method and device for separating and recovering mercury |
| 11/12/2002 | US6478839 Method of induction-heat melting treatment of metal-oxide-containing powders and device therefor |
| 11/07/2002 | US20020162780 Solder dross removal apparatus |
| 11/07/2002 | US20020162420 Providing re-concentrating mineral table arranged to separate concentrate ore at a concentrate discharge from middlings and tailings; setting table such that concentrate forms a smeltable concentrate; feeding ore material to table,operating |
| 11/07/2002 | DE10127457A1 Working up waste metallic magnesium from casting involves treatment with alkaline medium, e.g. carbonate or aqueous caustic alkali |
| 11/06/2002 | EP1254734A1 Solder dross removal apparatus |
| 11/06/2002 | CN1377982A Process for treating ore-smelting furnace dust removing matter by double smelting in ore-smelting furnace and medium frequency industry frequency furnace |
| 11/05/2002 | US6476286 Reclaiming TNT and aluminum from tritonal and tritonal-containing munitions |
| 10/31/2002 | DE10112075C1 Verfahren und Vorrichtung zur Rückgewinnung von Metallen, auch in Kombination mit anodischen Koppelprozessen Method and apparatus for recovery of metals, in combination with anodic coupling processes |
| 10/30/2002 | EP1252347A1 Method for removing chrome and/or nickel from liquid slags |
| 10/30/2002 | EP1252346A1 Method for reprocessing dust or dust mixtures |
| 10/30/2002 | EP1252343A1 Method for treating slags or slag mixtures on an iron bath |
| 10/30/2002 | EP1252341A1 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath |
| 10/30/2002 | EP1251940A2 A method for treatment of flue gas cleaning products |
| 10/30/2002 | EP1251920A1 Method and apparatus for metal removal by ion exchange |
| 10/30/2002 | CN1376803A Recovery method for catalytic metal |
| 10/29/2002 | US6471922 Dissolving waste in water; precipitating thorium and uranium as oxides by addition of reducing agent including metal hydroxide; filtering, drying and packaging radioactive waste for disposal |
| 10/27/2002 | WO2002088400A1 Oxy-fuel combustion system and uses therefor |
| 10/24/2002 | WO2002083333A1 Circuit member processor |
| 10/24/2002 | US20020155048 For selectively removing materials containing nickel from substrates |
| 10/24/2002 | US20020153521 Methods for producing indium-containing aqueous solutions containing reduced amounts of metal impurities |
| 10/24/2002 | US20020152839 Cold bonded iron particulate pellets |
| 10/23/2002 | EP1251185A2 Gelatin encapsulated metal powder for silver recovery from processing solutions |
| 10/23/2002 | EP1250465A2 Thermodestruction and inertisation of halogenated waste in a metallurgical reactor |
| 10/23/2002 | EP1009552B1 Method and arrangement for destruction of hazardous waste |
| 10/23/2002 | CN1376210A Process for manufacturing corrosion resistant metal products |
| 10/23/2002 | CN1375564A Method of extracting metal gallium frojm smelting smoke dust of corundum arc furnace |
| 10/23/2002 | CN1375454A Method for separating boron from mud containing boron alloy |
| 10/22/2002 | US6468483 Process for treating alumina-bearing ores to recover metal values therefrom |
| 10/22/2002 | US6468327 Purification of dusts containing zinc, lead, copper, cadmium, nickel and iron, using mixtures of acid salts and alcohols, aldehydes, ketones or esters; electrolysis; solvent extraction; precipitation; distillation |
| 10/19/2002 | CA2344511A1 Method of recovery of precious metals and heavy minerals |
| 10/17/2002 | US20020150783 Deformable coated wick liquid spilled material transfer |
| 10/17/2002 | US20020150516 System and process for removal of pollutants from a gas stream |
| 10/16/2002 | EP1248861A1 Method for treating steel plant slag |
| 10/16/2002 | CN2516563Y Nobal metal obtaining apparatus of nitric acid device |
| 10/15/2002 | US6464929 Dross processing system |
| 10/15/2002 | US6464753 Furnace flue dust processing method |
| 10/15/2002 | US6463864 Gasification melting furnace for wastes and gasification melting method |
| 10/10/2002 | WO2002079527A1 Method for compacting rolling-mill scale |
| 10/10/2002 | WO2002079521A1 Method for recovering recyclable metals contained in solid residues from iron and steel industries by means of carbothermic reduction and distillation, in solid and liquid states |
| 10/10/2002 | WO2002036504A3 Method for cleaning blinded filter media and preventing filter blinding |
| 10/09/2002 | EP1108070B1 Method for the thermal processing of residues containing heavy metals and iron oxide |
| 10/09/2002 | EP1105544B1 Method for producing zinc using the is process in an is shaft furnace |
| 10/08/2002 | US6461576 Pyroprocess for processing spent nuclear fuel |
| 10/03/2002 | WO2002076648A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes |
| 10/03/2002 | WO2002042502A3 Method and equipment for handling dross and recovering the non-ferrous metals contained therein |
| 10/03/2002 | WO2002036834A3 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 |
| 10/02/2002 | EP1245687A2 Method and apparatus for mercury recovery from waste fluorescent lamps |
| 10/02/2002 | CN1372653A Method to extract silver from photographic developer |
| 09/26/2002 | WO2002075005A2 Method for the use of electric steel plant slag for self-reducing agglomerates |