| 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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| 05/25/2005 | CN1203197C Method for preparing nickel and aluminium chemical product from catalyst refuse containing nickel and AL2O3 |
| 05/24/2005 | US6896808 Recovery of metal values from aqueous solutions and slurries |
| 05/19/2005 | WO2005045079A1 Method for fire refining of metals in the thermodynamically equilibrium system of a drip-gas medium |
| 05/19/2005 | US20050103402 Contacting with magnesium oxide, hydroxide, chloride,nitrate or carbonate to reduce the acid generation potential of rock; useful to reduce the amount of acid rock drainage from mine waste tailings and other areas where formation of acid products is a problem |
| 05/19/2005 | US20050103157 Recovering metals trapped in ores and slags by reacting laterites, magnetites or iron oxides with carbon, chloride and water using microwave radiation as the primary energy source; the water, carbon and chloride can be recycled |
| 05/18/2005 | CN1202271C Techniques of exhausting fume, electrostatic dust collection, lead powder granulation in cone stove for glass bulb of color picture tube |
| 05/17/2005 | US6893862 The paddle is connectable to and extending outwardly from the periphery of an elongate cylindrical drum |
| 05/17/2005 | US6893607 Elevated discharge gas lift bubble pump and furnace for use therewith |
| 05/17/2005 | US6893606 Method and system for extracting metal from glass waste |
| 05/17/2005 | US6893605 Method and system for extracting metal from glass waste |
| 05/17/2005 | US6893570 Running water through open pond structure including alkaline steel slag bed and vertical flush flow paths; cleaning mine drainage of large concentrations of manganese |
| 05/12/2005 | WO2005042792A1 Filter extraction mechanism |
| 05/12/2005 | WO2005042791A1 Method for decontaminating material containing hexavalent chrome |
| 05/12/2005 | US20050098930 Dross compression apparatus including a cooling system for cooling the compression head and cooling method |
| 05/11/2005 | CN1614311A Ash melting furnace and method |
| 05/11/2005 | CN1614310A Ash melting furnace and method |
| 05/11/2005 | CN1614309A Ash melting furnace and method |
| 05/11/2005 | CN1614045A Recovering method for waste magnesium alloy |
| 05/10/2005 | US6890430 Solder dross removal apparatus and method |
| 05/10/2005 | US6890371 Method for processing elemental sulfur-bearing materials using high temperature pressure leaching |
| 05/10/2005 | CA2385775C Production of zinc oxide from complex sulfide concentrates using chloride processing |
| 05/06/2005 | WO2005040437A1 Method of wet treatment of fly ash |
| 05/06/2005 | WO2005040436A1 Method for processing heavy metal chloride residues |
| 05/03/2005 | US6887298 Injecting carbonaceous reducing agent via tuyeres into throttle point |
| 05/03/2005 | CA2350726C Process and apparatus for treating foundry sludge to recover magnesium |
| 04/28/2005 | US20050089460 Method of removing mercury from mercury contaminated materials |
| 04/28/2005 | US20050087107 Building and other materials containing treated bauxite tailings and process for making same |
| 04/28/2005 | US20050087040 Method for recycling metals from swarf |
| 04/28/2005 | DE202004018827U1 Reduktionsmittel für den löslichen Chromatgehalt in Zement Reducing agent for the soluble chromate in cement |
| 04/27/2005 | CN1609242A Process for recovering strontium and aluminium from metal strontium residue |
| 04/27/2005 | CN1198951C Treating process for lead anode mud |
| 04/26/2005 | US6884387 Empty-can treatment system and empty-can treatment method |
| 04/21/2005 | WO2005035804A1 Recovery of precious metals from waste catalysts |
| 04/21/2005 | US20050083988 System and method of processing electric arc furnace dust |
| 04/21/2005 | US20050081683 Process for extracting platinum group metals |
| 04/19/2005 | US6881321 Reacting chlorine gas with ore of metal to form chloride of metallic element; mixing metallic chloride in ionic liquid to form electrolyte; electrodepositing metallic element from electrolyte; and releasing a chlorine gas |
| 04/19/2005 | CA2347552C Recovery of zinc from galvanized coatings |
| 04/14/2005 | WO2005011847A8 Metal oxide processing methods and systems |
| 04/14/2005 | US20050077658 Fume treatment system and method |
| 04/14/2005 | US20050076487 Method of recycling process cartridge and method of recycling metal materials constituting process cartridge containing toner |
| 04/13/2005 | EP1522789A2 Ash melting furnace and method |
| 04/13/2005 | CN1605638A Process for recovering rare earth from neodymium-ion-boron waste materials |
| 04/13/2005 | CN1196530C Unit and method for sorting shredded residues |
| 04/13/2005 | CN1196529C Unit and method for sorting shredded residues and use of granulate fractions thus produced |
| 04/12/2005 | US6878356 Recovery of zinc from galvanized coatings |
| 04/07/2005 | WO2005031014A1 Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 04/07/2005 | WO2005031013A1 Platinum group metal extraction by ore smelting and conversion |
| 04/07/2005 | WO2005031011A1 Method for smelting inert material |
| 04/07/2005 | US20050075236 Mercury removal from activated carbon and/or fly ash |
| 04/07/2005 | DE102004043499A1 Process to clean oil-contaminated industrial waste e.g. steel mill slag or machine tool swarf including aluminum involves caustic treatment, after which the contaminated waste is wetted and then subsequently dried |
| 04/07/2005 | CA2539166A1 Process and apparatus for recovery of non-ferrous metals from zinc residues |
| 04/06/2005 | EP1520052A1 Method for fractional crystallisation of a molten metal |
| 04/06/2005 | CN1195881C Method for removing chrome and/or nickel from liquid slags |
| 04/06/2005 | CN1195880C Method of recovering waste copper foil |
| 04/06/2005 | CN1195879C Method of recovering metal from metal-containing sludge |
| 04/05/2005 | US6874411 Recycle of grinding sludge |
| 03/31/2005 | WO2005029044A1 Conditioning system and method for use in the measurement of mercury in gaseous emissions |
| 03/31/2005 | WO2005028686A1 Method for processing anode sludge |
| 03/31/2005 | WO2005028379A1 Method and apparatus for treating drain water from step of washing fly ash with water |
| 03/30/2005 | CN1602363A Method for producing titanium oxide containing slag |
| 03/30/2005 | CN1600880A Smelting technique for blowing fine coal into blast furnace in stead of part of coke |
| 03/24/2005 | WO2005025774A2 Method and apparatus for optimized mixing in a common hearth in plasma furnace |
| 03/24/2005 | WO2005025768A1 Method and apparatus for treating incineration fly ash |
| 03/24/2005 | WO2005017217A3 Recycling process for steel works coarse sludge or dusts using gravimetric concentration |
| 03/24/2005 | WO2005017216A3 Recycling process for sludges and dusts from blast furnace and steel works |
| 03/24/2005 | US20050061110 improved pyrolyzer design; pyrolysis unit containing a tailpiece that allows water (or other reagent) to be injected at a heated exit of the thermal pyrolysis unit, facilitates prompt and efficient removal of offending gases before recombination can occur; minimizes buildup of residual mercury chloride |
| 03/23/2005 | CN1598064A Process for separating and purifying ziuc and manganese dioxide in comprehensiv treating waste battery |
| 03/23/2005 | CN1598016A Process for comprehensive recovering gallium and arsenic from industrial waste material of gallium arsenide |
| 03/23/2005 | CN1598014A Process for innocuous treatment and recovering alumina of aluminium phosphide fumigated slag |
| 03/23/2005 | CN1194110C Metellurgical technology for regenerating pure lead from Pb-contained waste without pollution |
| 03/22/2005 | US6868599 Coated wire is separated into a decomposed coating insulator and a molten electric conductor by microwave |
| 03/22/2005 | CA2351082C Method for accelerated remediation & method of using an apparatus therefor |
| 03/17/2005 | WO2005024074A1 Process for extracting crystalline titanium oxides |
| 03/17/2005 | WO2005023429A1 Method for recycling aluminum alloy wheels |
| 03/17/2005 | DE10338106A1 Process for removing organic constituents from a process bath comprises pyrolyzing a sand bed to which a concentrate obtained by vaporizing a starting solution is added |
| 03/15/2005 | US6866814 Mercury recovery apparatus |
| 03/10/2005 | WO2005022062A1 Electric reducing furnace |
| 03/10/2005 | WO2005021639A1 Treatment of aqueous compositions containing contaminants |
| 03/10/2005 | US20050051647 comprises providing a feed of aluminum alloy wheels of a particular alloy, fragmenting the wheels into pieces, subjecting the pieces to magnetic separation to produce pieces having a reduced iron content, and then shot blasting them |
| 03/10/2005 | US20050051645 a particular alloy (A356.2) is subjected to x-ray separation to remove contaminants, fragmented and shot blasted |
| 03/10/2005 | CA2537603A1 Treatment of aqueous compositions containing contaminants |
| 03/09/2005 | EP1512764A1 Molten metal pump and furnace for use therewith |
| 03/08/2005 | US6863873 Process to produce simonkolleite, zinc oxide and zinc hydroxide |
| 03/03/2005 | WO2005019481A2 Methods and systems for removing copper from ferrous scrap |
| 03/03/2005 | WO2004096717A3 Method and apparatus for treating waste water |
| 03/03/2005 | CA2439436A1 Treatment of aqueous compositions containing contaminants |
| 03/02/2005 | EP1403389A4 Method for producing briquettes from finely dispersed metal oxides |
| 03/02/2005 | EP1292716B1 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material |
| 03/02/2005 | CN1191380C Method for extracting indium concentrate form indium and tin oxide waste |
| 02/24/2005 | WO2005017217A2 Recycling process for steel works coarse sludge or dusts using gravimetric concentration |
| 02/24/2005 | WO2005017216A2 Recycling process for sludges and dusts from blast furnace and steel works |
| 02/24/2005 | US20050039578 Controlling crystals |
| 02/24/2005 | DE10336650A1 Verwendung von TiO2-Rückständen aus dem Sulfatverfahren Use of TiO2 residues from the sulphate process |
| 02/23/2005 | CN1584073A Zinc leaching-out slag treating process with vertical retort zinc refining residue as fuel |
| 02/17/2005 | WO2005014888A1 Oxide electrolyzing electrolysis device |
| 02/17/2005 | WO2005014867A2 Use of tio2 residues from a sulfate method |
| 02/17/2005 | WO2004106233A3 A process for recovering phosphorus from phosphorous production sludge |
| 02/17/2005 | US20050036930 coating pyrites, marcasites, galenas, sphalerites or arsenopyrites, with lipid such as phospholipids, sphingolipids or glycolipids; protective coatings; pollution control |
| 02/17/2005 | US20050034563 Process for the dissolution of copper metal |
| 02/17/2005 | DE10335847A1 Electric arc reduction furnace for reducing slag in the recovery of metallic components comprises a charging opening for charging material which simultaneously acts as an exhaust gas line opening for the gas produced |