| 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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| 11/25/2004 | WO2004101828A1 Method for utilizing slag |
| 11/25/2004 | WO2004101202A1 Method for recycling rare earth-transition metal based scrap, magnetic powder for absorbing radio wave and radio wave absorbing material using the same |
| 11/25/2004 | US20040232084 Adding a sulfiding agent to the wastewater, while detecting generated hydrogen sulfide gas to maintain a state in which hydrogen sulfide gas is just starting to be generated from the wastewater; the acidity of the wastewater is adjusted to within a range suitable for the metal to be separated |
| 11/25/2004 | CA2525926A1 Process for the utilization of slag |
| 11/24/2004 | EP1204998B1 High efficiency process for treating mixed metal waste |
| 11/24/2004 | CN1549794A Method of treating heavy-metal-containing wastewater with sulfidizing agent and treatment apparatus |
| 11/24/2004 | CN1548580A Hydrogen peroxide soaking process for separating waste zinc containing nickel alloy sheet |
| 11/24/2004 | CN1548564A Weathered chromium residue detoxicating and utilizing techn |
| 11/24/2004 | CN1177071C Process for regenerating used Mg-alloy |
| 11/23/2004 | CA2279964C Metal recovery from salt cake and other compositions |
| 11/17/2004 | EP1476405A1 Facility for melting dusts |
| 11/17/2004 | CN1176232C Method of recovering rhodium from spent rhodium catalyst in carbonyl group synthesis reaction |
| 11/16/2004 | US6818176 Oxy-fueled waste incinerator and method |
| 11/16/2004 | US6818042 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 |
| 11/11/2004 | WO2004096717A2 Method and apparatus for treating waste water |
| 11/11/2004 | WO2004096711A1 Methods and devices for recycling copper from a discarded circuit board and a discarded fluid containing copper |
| 11/11/2004 | WO2004096707A1 Process for the treatment of waste metal chlorides |
| 11/11/2004 | WO2004081245A8 Method for the fine refinement of gold |
| 11/11/2004 | US20040222575 Shredder dust feeding device, reverberatory furnace provided with this feeding device, and furnace for burning shredder dust |
| 11/11/2004 | DE10317762A1 Metal melt processing machine has a feed unit with heater close to the plasticizing barrel and utilizes material blocks of a specific shape |
| 11/10/2004 | CN1544666A Method for recovering nickel and aluminum from waste aluminum based nickel-containing catalyst |
| 11/10/2004 | CN1175117C Process for preparing Mn-Si alloy from slags generated by smelting medium and low-carbon ferromanganese |
| 11/09/2004 | CA2142893C Charging metal solids into molten metal |
| 11/04/2004 | US20040219082 Selective recovery of aluminium, cobalt and platinum values from a spent catalyst composition |
| 11/04/2004 | US20040216280 Method for making metal oxide agglomerates |
| 11/03/2004 | EP1408127B1 Method for recovering germanium and other metals from fly ash generated in an integrated gasification combined cycle-type (igcc) thermal station |
| 11/03/2004 | CN1174107C Method for recycling valuable metal from stainless steel dust |
| 10/28/2004 | WO2004092690A1 Determining gas volume, porosity, and intrinsic oxidation rate |
| 10/28/2004 | US20040213719 Mercury recovery method and mercury recovery apparatus |
| 10/28/2004 | US20040213717 Process for separating and recovering valuable metals |
| 10/27/2004 | CN1540006A Technique for integrated treatment for fuming of dregs of lead/stibium blast furnace |
| 10/27/2004 | CN1173051C Regeneration method of rare earth permanent magnet material |
| 10/27/2004 | CN1172756C Innocuous recovering process for waste dry battery |
| 10/26/2004 | CA2126147C Method of producing cold-moulded iron-containing briquettes |
| 10/21/2004 | WO2004090179A1 Method of recovering vanadium oxide flake from diesel oil fly-ash or orimulsion fly-ash |
| 10/21/2004 | US20040205962 Wire processing apparatus and wire processing method |
| 10/20/2004 | CN1539024A Method for direct metal making by microwave energy |
| 10/19/2004 | CA2098695C Process for recovery of free aluminum from aluminum dross or aluminum scrap using plasma energy with oxygen second stage treatment |
| 10/14/2004 | US20040202594 Coal gasification with alkali additives to reduce emissions of mercury to the atmosphere |
| 10/13/2004 | EP1465746A1 Solder-dross mixture separation method and apparatus |
| 10/13/2004 | EP1465709A1 Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment |
| 10/13/2004 | CN1170630C Catalysis type ammonia prepn. method, and method of prepn. and recovery of catalyst of ammonia synthesis |
| 10/12/2004 | US6802886 Method of producing a metallized briquette |
| 10/07/2004 | WO2004085686A2 Method of recovering a metal from a mixture by melt freeze fractionation |
| 10/07/2004 | WO2004063227A9 Solvent extraction landfill system and method |
| 10/07/2004 | US20040194578 Briquette for raw material for iron manufacture and briquette for introduction into slag generating apparatus |
| 10/06/2004 | EP1464713A1 Process and system for working-up iron-containing, oil-contaminated waste |
| 10/06/2004 | EP1366218B1 Electrorefining process for separating metals |
| 10/06/2004 | EP1303640B1 Processing elemental sulfur-bearing materials using high temperature pressure leaching for sulfuric acid production and metal recovery |
| 10/06/2004 | CN1534111A Method of recovering copper metal from waste printed circuit board and copper containing waste liquid and its device |
| 10/05/2004 | US6800112 Mercury recovery method |
| 10/05/2004 | US6800111 Concentrating the catalytic metal colloid on a filter; removing the catalytic metal of the catalytic metal colloid from the filter with an oxidizer; collecting the catalytic metal |
| 09/30/2004 | WO2004083470A1 Raw material for aluminum refining and method for refining aluminum, high purity aluminum material, method for producing aluminum material for electrode of electrolytic capacitor, and aluminum material for electrode of electrolytic capacitor |
| 09/30/2004 | WO2004083469A1 Process for melting an aluminum charge containing organic material |
| 09/30/2004 | WO2004083467A2 Recovery of metal values from cermet |
| 09/30/2004 | WO2004024634A3 Mediated electrochemical oxidation of inorganic materials |
| 09/30/2004 | WO2004018717A9 Electrostatically enhanced tribochemical methods and apparatus |
| 09/30/2004 | US20040191143 Process for the dissolution of copper metal |
| 09/30/2004 | US20040191138 Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment |
| 09/30/2004 | US20040187642 Filling vessel with load of brazing sheet or metallic waste pieces; heating, liquefaction, rotation; removing molten alloy |
| 09/30/2004 | DE10310699A1 Verfahren zur Feinstraffination von Gold Method for Feinstraffination of gold |
| 09/30/2004 | DE10231228B4 Rückgewinnung von Wertstoffen aus Zündkerzen und Glühkerzen Recovery of valuable materials from spark plugs and glow plugs |
| 09/30/2004 | DE102004013531A1 Verfahren zur Wiederaufbereitung von Altbatterien Method for recycling of waste batteries |
| 09/28/2004 | US6797228 Oxy-fueled aluminum recovery method |
| 09/28/2004 | US6797033 Method for recovering catalytic metals |
| 09/23/2004 | WO2004081245A1 Method for the fine refinement of gold |
| 09/23/2004 | WO2004081242A1 Recovery of metals from industrial dusts |
| 09/23/2004 | WO2004081240A1 Method for recycling converter dust to rotary hearth reducing furnace |
| 09/23/2004 | WO2004080596A1 Method for recovering catalyst material, catalyst material recovered by said recovering method, method for recovering substrate, substrate recovered by said recovering method |
| 09/22/2004 | EP1458474A1 Pretreatment and regeneration of oxides of manganese |
| 09/22/2004 | EP1251940B1 A method for treatment of flue gas cleaning products |
| 09/22/2004 | CN1530453A Treatment of slag from smelting lead and antimony |
| 09/22/2004 | CN1167817C Process for recovering metal and non-metal materials from copper enriched electronic waste |
| 09/16/2004 | WO2004079024A1 Aluminium dross cooling method and installation |
| 09/16/2004 | US20040179985 a leaching phase in which the electronic scrap is treated with a leaching solution based on cupric chloride and an alkaline chloride to dissolve the metals exposed to said solution, with the exception of gold, and a subsequent recovery phase of gold in solid form. |
| 09/16/2004 | US20040177722 Recovery of metal values from cermet |
| 09/16/2004 | US20040177721 Recovery of metal values from cermet |
| 09/15/2004 | EP1457577A1 Process for recovering metals, in particular precious metals, from electronic scrap |
| 09/09/2004 | DE19500962B4 Verfahren und Vorrichtung zur Hochtemperaturbehandlung von feinkörnigen Feststoffen in einem Schmelzzyklon Method and apparatus for high temperature treatment of fine-grained solids in a melting cyclone |
| 09/08/2004 | EP1454996A2 Briquette for raw material for iron manufacture and briquette for introduction into slag generating apparatus |
| 09/08/2004 | EP1454376A2 Recycling used electric cells by hydrometallurgical treatment |
| 09/08/2004 | EP1333890B1 Method for rendering inert dust residue containing silicon metal |
| 09/08/2004 | CN1526840A Germanium recovering method |
| 09/08/2004 | CN1526838A Selecting processing method for catalyst carrier |
| 09/08/2004 | CN1526837A Block mass for iron-making raw material and block mass thrown in slag generating apparatus |
| 09/08/2004 | CN1526546A Composit Pd-containing material wire and its prepn and use |
| 09/02/2004 | WO2004074523A2 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 09/01/2004 | CN1164776C Preparation of active zinc oxide from zinc dross by ultrasonic-microwave process |
| 09/01/2004 | CN1164774C Method for separating cobalt and zirconium from Co/ZrO2-SiO2 waste catalyst |
| 09/01/2004 | CN1164376C Environment protection method for recovering optical discs |
| 08/31/2004 | US6783744 For recovery of high purity zinc oxide products and optionally iron carbon feedstocks from industrial waste streams containing zinc oxide and/or iron; waste streams treated by adding carbon and ammonium chloride displacing undesired metal |
| 08/26/2004 | US20040163669 Cleaning chamber surfaces to recover metal-containing compounds |
| 08/26/2004 | US20040163492 Method for producing foamed aluminum products |
| 08/25/2004 | CN1523125A Method for recovering economic metal bacteria from slag |
| 08/24/2004 | US6780222 Method of sintering and sinter bed composition |
| 08/19/2004 | US20040159655 Wire processing apparatus and wire processing method |
| 08/19/2004 | DE10305367A1 Verfahren und Anlage zur Wärmebehandlung von mineralischen Rohstoffen Method and apparatus for heat treatment of mineral resources |
| 08/18/2004 | EP1060126A4 Recovery of products from non-metallic products derived from aluminum dross |
| 08/12/2004 | WO2004067449A1 Modular device and methods for copper exploitation from waste, flotation waste, mine waters and waste waters |
| 08/12/2004 | WO2004067172A1 Metal catalyst recovery system |