Patents
Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341)
01/2007
01/31/2007CN1906315A Method of slag fuming
01/31/2007CN1904093A Method of extracting gold tail slag from arsenic containing aurin ore then extracting gold and silver
01/30/2007US7169206 Multistage process for recovering cobalt, nickel or iron and forming slags
01/25/2007WO2007009435A1 Magnesium alloy
01/25/2007WO2006105536A3 Method of treatment, stabilization and heave control for chromite ore processing residues (copr) and chromium contaminated soils
01/25/2007CA2615835A1 Magnesium alloy
01/24/2007EP1746375A2 Oxy-fuel combustion system and uses therefor
01/24/2007EP1565585A4 Process and apparatus for extracting zinc
01/17/2007EP1743044A1 Method for recovery of palladium
01/17/2007EP1648840B1 Reducing agent for the soluble chromate content of cement and methods for the production thereof
01/17/2007CN1898400A Steel manufacturing dust solidified, process for producing the same and production apparatus therefor
01/17/2007CN1295362C Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide particularly mill scale sludges and coal fines
01/17/2007CN1295361C Production method of regenerating metal alloy from imperfect fine powder using nickel aluminium alloy catalyst
01/17/2007CN1295360C Method of handling spent catalyst
01/16/2007US7162785 Method of recycling a process cartridge
01/11/2007WO2007004664A1 Process for recovery of metals and equipment therefor
01/11/2007US20070007878 Method of recycling an exhausted selenium filter mass
01/10/2007EP1741797A1 Installation for the recovery of metals included in laminated materials in a rotary-drum furnace
01/10/2007EP1740731A1 Iron oxide precipitation from acidic iron salt solutions
01/10/2007EP1627085B1 Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace
01/10/2007CN1891840A Valuable metal concentration and comprehensive utilization method for baking red mud by halogen-ammonia salt
01/09/2007US7160501 Method for the salt-free, non-oxidizing remelting of aluminium
01/04/2007DE102005030147A1 Removal of cutting oil from recycled waste magnesium particles generated during vehicle manufacture, washes them using carbon dioxide under high pressure
01/03/2007EP1737993A1 Improved recycling method for al-b, c composite materials
01/03/2007EP1737990A1 Vessel for preventing or minimizing the melting loss of aluminum drosses and/or aluminum alloy drosses
01/03/2007CN1888100A Regeneration process of zinc plated steel wire with drawing peeled-off zinc
01/03/2007CN1888099A Harmful impurity eliminating and density increasing roasting process for activated zinc oxide powder and zinc scum
01/02/2007US7157415 Post etch cleaning composition for dual damascene system
01/02/2007US7157064 Preparing an aqueous suspension of the solid or semisolid waste material, separating the solid and liquid material to obtain solid waste and liquid waste solution, collecting solid waste, repeating above steps, acidifying liquid waste
01/02/2007US7157042 Dross compression apparatus including a cooling system for cooling the compression head and cooling method
12/2006
12/28/2006US20060292309 Method for clarification of wood having been treated with chemical containing copper, chromium or arsenic
12/28/2006DE202004021087U1 Producing a reducing agent containing iron(II) sulfate, used for reducing the soluble chromate content of cement, comprises concentrating spent sulfuric acid and separating the sulfuric acid from the precipitate
12/28/2006DE10225279B4 Verfahren zum präparativen Aufschließen von schwermetallhaltigen Gläsern A method for preparative digestion of heavy metal-containing glasses
12/27/2006EP1735475A1 Device and method for oxidizing, reducing, calcining, sintering, or melting dusts using a dosing cyclone with a fuel lance
12/27/2006CN1884586A Method for direct steel-making from waste steel charging using converter blowing steam
12/27/2006CN1292080C Method for treating slags on and iron bath
12/26/2006US7153541 Method for inhibiting oxidation of metal sulfide-containing material
12/21/2006WO2006133777A1 Separation of metal values in zinc leaching residues
12/21/2006CA2611925A1 Separation of metal values in zinc leaching residues
12/20/2006EP1734321A1 Process and shaft furnace for heating and melting down waste materials such as shredded scrap
12/20/2006EP1734138A1 Briquette for raw material of metal and method for production thereof
12/20/2006EP1733451A1 Method for the mixed recycling of lithium-based anode batteries and cells
12/20/2006CN1879990A Metal-rich component manufacturing method and titanium alloy powder prepared thereby
12/19/2006CA2113319C Carbon burn-off process
12/14/2006WO2006131371A1 Method for reducing and/or refining a metal-containing slag
12/14/2006WO2005101564A8 Method for the mixed recycling of lithium-based anode batteries and cells
12/14/2006US20060278042 Method of producing stainless steel by re-using waste material of stainless steel producing process
12/14/2006DE102005027320A1 Chargenschmelzen von Aluminium-Legierungsschrott in einem Drehtrommelofen Batch melting aluminum alloy scrap in a rotary furnace
12/14/2006CA2605390A1 Method for reducing and/or refining a metal-containing slag
12/13/2006CN2846437Y Metal sodium slag recovery and treating device
12/13/2006CN2846436Y Metal sodium slag recovery and treating system
12/13/2006CN1878879A Process and apparatus for recovery of non-ferrous metals from zinc residues
12/13/2006CN1876850A Direct iron making method utilizing waste furnace charge and converter steam blowing
12/13/2006CN1289856C Ash melting furnace and method
12/13/2006CN1289855C Ash melting furnace and method
12/13/2006CN1289714C Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
12/12/2006US7147782 Method and apparatus for metal removal by ion exchange
12/07/2006US20060273497 Method and installation for utilizing hydrocarbon-containing and iron-oxide-containing waste materials, in particular rolling scale sludges, and fine coals
12/06/2006EP1727916A1 Recovery of metals from oxidised metalliferous materials
12/06/2006EP1727629A1 Method of processing multicomponent, composite and combined materials and use of so separated components
12/06/2006CN1872992A Breeding method for sludge in granules, and method for retreaving gold from waste liquor of containing gold by using the breeding method
12/06/2006CN1288778C Method for manufacturing core material for electrode plate and method for manufacturing alkali storage battery
12/06/2006CN1288258C Method for preparing silumin and Al-Si-Mn-Fe-Ti alloy by using high-aluminum fly ash
12/05/2006US7144493 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor
11/2006
11/29/2006EP1726666A1 Briquette as steelmaking raw material and process for producing the same
11/29/2006CN2841673Y Regenerated aluminium smelter hearth
11/29/2006CN1871363A Use of TiO2 residues from a sulfate method
11/29/2006CN1870207A Image display apparatus, disassembly processing method therefor, and component recovery method
11/29/2006CN1869260A Method and device of refining separating zinc by bismuth method
11/23/2006WO2005035804A9 Recovery of precious metals from waste catalysts
11/22/2006EP1576200B1 A process for the recovery of adsorbed palladium from spent silica
11/22/2006CN1865460A Method for extracting vanadium,molybdenum,nickel,cobalt,aluminium from waste aluminium base catalyst
11/22/2006CN1285769C Electrochemical decomposition method for high-temp. alloy
11/22/2006CN1285743C Method for recovering titanium dioxide from titanium dioxide bearing materials like steel making slags
11/16/2006WO2006120181A2 Method to reduce the amount of dust formation of metal oxides
11/16/2006WO2006119861A1 Method for recovering metals from waste and other materials comprising organic components
11/16/2006US20060258531 Method for manufacturing hydrorefining catalyst, and metal recovery method
11/16/2006US20060254388 Method of removing coating form coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating
11/16/2006CA2607797A1 Method for recovering metals from waste and other materials comprising organic components
11/15/2006EP1721677A2 Method for processing of shredder residues and use of a sand fraction so produced
11/15/2006EP1721676A2 Method for processing shredder residues and use of a lint fraction so produced
11/15/2006EP1721675A2 Method for the treatment of shredder residues and use of granulate fractions so produced
11/14/2006US7134619 separating waste catalysts of an internal-combustion engine having metallic catalyst carriers, without chemicals and toxic substances
11/09/2006WO2006117424A1 Method for the recovery of valuable metals and arsenic from a solution
11/09/2006WO2006117101A1 Cleaning of oil- contaminated granular solids, in particular spent catalysts
11/09/2006WO2006041281A8 Method and device for recovering stainless steel from steel slags under dry conditions
11/09/2006DE102005021656A1 Verfahren zur Rückgewinnung von Metallen aus Abfällen und anderen Materialien mit organischen Bestandteilen A process for the recovery of metals from waste and other materials with organic components
11/09/2006CA2605005A1 Method for the recovery of valuable metals and arsenic from a solution
11/08/2006EP1718776A1 Ironmaking and steelmaking
11/08/2006CN1858277A Method for extracting metal from printed circuit board
11/02/2006US20060243604 Method and apparatus for treating waste water
11/01/2006CN1856585A Method for processing anode sludge
10/2006
10/31/2006US7128840 Ultrasound enhanced process for extracting metal species in supercritical fluids
10/26/2006US20060239904 Utilization of lead shavings in abrasion mills for the production of lead oxide
10/26/2006US20060236894 Use of tio2 residues from a sulfate method
10/25/2006EP1488015B1 Process for the recovery of nickel from spent catalyst
10/25/2006CN2830415Y Bearing alloy filtering machine
10/25/2006CN1851016A Silicon waste-slice surface metal removal and noblemetal silver-platinum-gold recovery method
10/19/2006DE112004001718T5 Verfahren zum Verarbeiten von Anodenschlamm A method for processing anode sludge
10/18/2006EP1328357B1 Process for the treatment of bottom ash from waste incineration plants
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