| 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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| 10/18/2006 | CN1280863C Method and device for separating and recovering mercury |
| 10/18/2006 | CN1280434C Process for the treatment or removal of impurities in a hydrometallurgical extraction process |
| 10/18/2006 | CN1280433C Chlorination treatment process of Se contg. substance |
| 10/17/2006 | US7122167 Precious metal recovery from organics-precious metal compositions with supercritical water reactant |
| 10/17/2006 | US7121995 Method for stabilization of lead smelter slag and matte |
| 10/11/2006 | EP1579016B1 Cold briquetting and pelletisation of mineral fines using an iron-bearing hydraulic binder |
| 10/11/2006 | CN1846005A Process for the high yield recovery of lead from spent lead-acid batteries with reduced associated production of slag and gaseous emissions |
| 10/11/2006 | CN1846004A Method for recovery of palladium from spent catalyst |
| 10/11/2006 | CN1844422A Method for extracting copper from organic silicon chemical waste residue leaching liquid of chloride and mixed salts containing copper |
| 10/11/2006 | CN1279192C Technology of producing oxygenless copper using waste red copper |
| 10/10/2006 | CA2207575C Process for recovery of metals from used nickel-metal hydride storage batteries |
| 10/05/2006 | WO2006105536A2 Method of treatment, stabilization and heave control for chromite ore processing residues (copr) and chromium contaminated soils |
| 10/04/2006 | EP1409754A4 Method for direct metal making by microwave energy |
| 10/04/2006 | CN1842608A Iron oxide precipitation from acidic iron salt solutions |
| 09/28/2006 | WO2006101042A1 Compression molding machine for metal material briquette, manufacturing apparatus for metal material briquette, and compression molding method for metal material briquette |
| 09/27/2006 | CN1837384A Method for separating Te from Rh solution |
| 09/27/2006 | CN1837381A Highly-efficiency process for extracting fine nickel from waste electrolyte |
| 09/21/2006 | WO2005083131A8 Extractants for palladium and process for separation and recovery of palladium |
| 09/20/2006 | EP1702994A1 Steel manufacturing dust solidified, process for producing the same and production apparatus therefor |
| 09/20/2006 | CN1276106C Recovering method for waste magnesium alloy |
| 09/20/2006 | CN1276105C Method for smelting main machine plate and waste hardwares and its equipment |
| 09/19/2006 | US7107661 Method of recycling printed circuit board |
| 09/19/2006 | CA2346977C Method of producing molten iron in duplex furnaces |
| 09/14/2006 | WO2006096125A1 A method of feeding raw materials |
| 09/13/2006 | EP1490375A4 Process for the dissolution of copper metal |
| 09/13/2006 | EP1235941A4 Recovery of metal values from aqueous solutions and slurries |
| 09/13/2006 | CN1274608C Method of treating heavy-metal-containing wastewater with sulfidizing agent and treatment apparatus |
| 09/13/2006 | CN1274428C Recovering used diamond sawweb by inert gas atomization condensation method |
| 09/12/2006 | US7105084 Hybrid flow pond |
| 09/07/2006 | US20060196308 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 09/06/2006 | EP1697275A1 Free flowing dry back-up insulating material |
| 09/06/2006 | CN1829891A Electric reducing furnace |
| 09/06/2006 | CN1829811A Utilization of lead shavings in abrasion mills for the production of lead oxide |
| 09/06/2006 | CN1829810A A process for reclaiming phosphorus |
| 09/06/2006 | CN1829808A Method and apparatus for processing metalline sludge |
| 09/06/2006 | CN1827806A Method for extracting tungsten and other rare metals from waste hard alloy |
| 09/06/2006 | CN1827802A Method for recovering valuable metals from electroplating sludge |
| 08/31/2006 | US20060191377 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 08/31/2006 | DE20221612U1 Oxygen fueled combustion system e.g. for scrap aluminum recovery plant, has delivery unit to deliver oxygen and carbon based fuel in stoichiometric proportion, to furnace |
| 08/30/2006 | EP1694425A1 A method of recycling an exhausted selenium filter mass |
| 08/23/2006 | EP1693130A1 Isostat for processing materials and method for removing ceramic material from metallic articles by using said isostat |
| 08/23/2006 | EP1691929A1 Method for recycling aluminum alloy wheels |
| 08/23/2006 | CN1823175A Mechanical separation of volatile metals at high temperatures |
| 08/23/2006 | CN1823024A Reducing agent for the soluble chromate content of cement and methods for the production thereof |
| 08/23/2006 | CN1821427A Hydrothermal method for recovering metal from waste hard alloy |
| 08/17/2006 | WO2006085712A1 Abrasive material made of atomized slag, manufacturing facility and method for the same |
| 08/17/2006 | WO2005118893A3 Method of recycling brazing sheet |
| 08/17/2006 | US20060183958 Process for the treatment of waste metal chlorides |
| 08/16/2006 | EP1689894A2 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 08/16/2006 | CN1818101A Method for recovering metallic elements from mixed gas containing carbonyl substances |
| 08/16/2006 | CN1818100A Supercritical separating method and system for waste printing circuit boards |
| 08/16/2006 | CN1818099A High-efficient metallurgical furnace and process thereof |
| 08/16/2006 | CN1818085A Iron smelting and casting process by waste ferro-silicon alloy and ferromanganese scraps |
| 08/16/2006 | CN1269991C Method for depositing metal and metal oxide films and patterned films |
| 08/09/2006 | EP1687102A1 Device and method for removing mercury from residues |
| 08/09/2006 | EP1278896B1 A method and an apparatus for recovery of metals |
| 08/09/2006 | CN1814813A Method for separating and extracting iron, vanadium and titanium from vanadium-titanium magnetite |
| 08/09/2006 | CN1268446C Harmless treatment system for harmful organic compound and its recycling method of resultant |
| 08/08/2006 | US7086618 a particular alloy (A356.2) is subjected to x-ray separation to remove contaminants, fragmented and shot blasted |
| 08/08/2006 | CA2346478C Ammonia removal from fly ash |
| 08/03/2006 | WO2006080565A1 Method for recovering indium |
| 08/03/2006 | WO2006079132A1 Method for reducing metal oxide slags or glasses and/or for degassing mineral melts and device for carrying out said method |
| 08/03/2006 | WO2005100620A3 Dross removal system and method |
| 08/03/2006 | US20060170139 Separating vessel |
| 08/02/2006 | CN1813075A Recovery of non-ferrous metals from zinc residues |
| 08/02/2006 | CN1267568C Direct-reduction method and equipment for production of iron, molten, cast iron and steel |
| 08/01/2006 | US7083758 Free flowing dry back-up insulating material |
| 08/01/2006 | US7083731 Binding to polymer fibers |
| 08/01/2006 | CA2237291C Method and apparatus for removing mercury and organic contaminants from soils, sludges and sediments and other inert materials |
| 07/27/2006 | WO2006078901A2 Process for the recovery of materials from a desulfurization reaction |
| 07/27/2006 | US20060162491 Layer of at most partially solidified molten metal to be crystallized is cooled by a layer of cooling liquid, which is present above and/or below the layer of at most partially solidified molten metal so as to crystallize the molten metal |
| 07/27/2006 | DE10297680B4 Extraction of nickel from spent nickel catalyst involves direct leaching with sulfuric acid in presence of small amount of persulfate-based additive |
| 07/26/2006 | CN2799580Y Secondary lead processing apparatus |
| 07/19/2006 | EP1606424B1 Method for the fine refinement of gold |
| 07/19/2006 | CN1805903A Extraction process for reactive metal oxides |
| 07/19/2006 | CN1265002C Remolten rareearth magnet waste and/or scraps, magnet forming alloy and sintered rare earth magnets |
| 07/19/2006 | CN1264993C Method for separating and extracting metal element from varadium-titanium magnetite |
| 07/18/2006 | US7078122 Contacting wastes with aqueous solution of hydrogen halide; forming halide |
| 07/13/2006 | WO2006073807A1 Platinum recovery from fuel cell stacks |
| 07/13/2006 | US20060151399 Metal compound removal |
| 07/13/2006 | US20060151326 Electrolytic apparatus for use in oxide electrowinning method |
| 07/12/2006 | EP1501952A4 Process for extracting platinum group metals |
| 07/12/2006 | EP1144696B1 Method of producing molten iron in duplex furnaces |
| 07/12/2006 | CN1800423A Process for producing antimony white using slag from lead anode mud processing |
| 07/12/2006 | CN1800421A Recovering process of valent metal from crude bismuth |
| 07/12/2006 | CN1263874C Process for direct reduction of lead from high content of liquid lead dreg in bottom blowing furnace |
| 07/12/2006 | CN1263556C Wet method for treating petroleum-originated combustion ash |
| 07/06/2006 | US20060148933 Treatment of aqueous compositions containing contaminants |
| 07/06/2006 | US20060147791 Platinum recovery from fuel cell stacks |
| 07/06/2006 | US20060143977 Apparatus and process for the treatment of a material under pyrolytical conditions, and use thereof |
| 07/06/2006 | DE102004061944A1 Treating melt or slag using injection lance, with automatic readjustment of lance dependence on chronological wear to ensure location at constant depth and homogeneous distribution of treating agent |
| 07/05/2006 | EP1121179B1 Ammonia removal from fly ash |
| 07/05/2006 | CN1262509C Method for treating stainless steel refining slag |
| 06/29/2006 | US20060138050 Method and apparatus for metal removal by ION exchange |
| 06/28/2006 | EP1373581B1 Reduction smelting method in a shaft furnace with recovery of volatile secondary metals |
| 06/28/2006 | CN1795276A Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 06/21/2006 | EP1670960A1 Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 06/21/2006 | CN1791685A Method for utilizing slag |
| 06/21/2006 | CN1789445A Method for separating copper, arsenic and zinc from copper-smelting high-arsenic flue dust sulphuric acid leach liquor |
| 06/21/2006 | CN1260381C Process for comprehensive recovering gallium and arsenic from industrial waste material of gallium arsenide |