| 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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| 04/19/1995 | EP0648848A1 Process for the recovery of platinum group metals from exhaust gas catalysts for motor vehicles |
| 04/19/1995 | EP0648255A1 Treatment of waste |
| 04/19/1995 | CN1101678A A method of producing cold-moulded iron-containing briquettes |
| 04/13/1995 | DE4334345A1 Process for recovering metals from an acidic metal salt solution |
| 04/11/1995 | US5405429 Method for treatment and conversion of refuse incineration residues into environmentally acceptable and reusable material, especially for construction purposes |
| 04/11/1995 | US5405428 Controlled heating using a halogenated compound as a protective agent; oxidation resistance |
| 04/05/1995 | EP0646654A1 Method and apparatus for treating mixtures of light metal |
| 04/04/1995 | US5403991 Reactor and method for the treatment of particulate matter by electrical discharge |
| 04/04/1995 | CA1335041C Process of dezincifying a material flow when operating a pig-iron production plant |
| 03/22/1995 | CN1027979C Silica-heating method for extracting metal magnesium from boron mud |
| 03/22/1995 | CN1027978C Method and apparatus for manufacturing of high-grade nickel matte |
| 03/22/1995 | CN1027977C Wet-way treating method of high-arsenic-lead anode mud |
| 03/21/1995 | US5399322 Selective recovery of dissolved metals and preparation of metal salt products |
| 03/15/1995 | EP0642394A1 Process for decontamination of metal-polluted earth |
| 03/15/1995 | CN1100147A Method for treatment of waste low-cobalt alloy by electro-dissolving and crushing-magnetic selection |
| 03/09/1995 | WO1995006757A1 Recovery of aluminum and/or fluoride values from used aluminum chlorofluorides |
| 03/08/1995 | CN1027821C Method for extracting silver on anode mud from tin containing low silver |
| 03/02/1995 | DE4329415A1 Process for recovering metals from an acid-containing metal salt solution |
| 03/01/1995 | CN1099424A Method for treating blast furnace slag with diluted chlorhydric acid |
| 02/23/1995 | WO1995005263A1 Treatment of particulate matter by electrical discharge |
| 02/22/1995 | EP0639091A1 Method for indirect chemical reduction of metals in waste. |
| 02/16/1995 | WO1995004899A1 Process and device for the thermal destruction of waste |
| 02/16/1995 | WO1995004835A1 A process for recovering metals |
| 02/16/1995 | CA2168036A1 A process for recovering metals |
| 02/15/1995 | EP0497759B1 Process for the recovery of catalyst values |
| 02/15/1995 | CN1098747A Method of preparation of metallic phase from light metal and non-metallic dispersed mixture |
| 02/14/1995 | US5389124 Heating in solvent; cooling to precipitate |
| 02/08/1995 | CN1027597C Method for comprehensive utilization of chrome slag by back-melting |
| 02/07/1995 | US5387276 Method of leaching mineral values from oil sand tailings |
| 02/02/1995 | WO1995003434A1 Electrorefined aluminium with low uranium, thorium and rare earth content |
| 02/02/1995 | WO1995003433A1 Process for producing briquettes from smelting residues |
| 02/02/1995 | CA2142874A1 Low uranium, thorium and rare-earth metals content electrorefined aluminium |
| 02/01/1995 | EP0636699A2 Thermal reclamation method for the recovery of metals from air bag inflators |
| 02/01/1995 | EP0636697A1 Apparatus for water-granulating slag |
| 01/31/1995 | US5385602 Agglomerating by extrusion |
| 01/31/1995 | US5385598 Varying heating of upper and lower zones to obtain temperature gradients which cause migration of one metal to hotter zone, then cooling to cause formation of intermetallic which will rise or settle according to its density, then removal |
| 01/25/1995 | EP0635070A1 Process for recycling dust collected during the production of steel in an electric arc furnace |
| 01/19/1995 | DE4319679C1 Process for high-temperature gasification of mixed waste material, melting out the mineral constituents and if appropriate the metallic constituents |
| 01/18/1995 | EP0633947A1 Method and device for processing free-flowing materials |
| 01/18/1995 | CN1027457C Flame furnace for melting Pb containing materials of waste batteries continuously |
| 01/17/1995 | US5382279 Method and apparatus for combustion of steel plant wastes |
| 01/17/1995 | CA1333960C Hydrometallurgical process for an overall recovery of the components of exhausted lead-acid batteries |
| 01/12/1995 | WO1995001461A1 Method for extracting metals from catalysts on the basis of al2o¿3? |
| 01/11/1995 | EP0632843A1 Process and plant for removing lead and zinc from metallurgical-works dust. |
| 01/10/1995 | US5380500 Process for separating vaporous heavy metal compounds from a carrier gas and apparatus for carrying out the process |
| 01/10/1995 | US5380351 Mixing with water |
| 01/04/1995 | CN1027292C Mixed with reaction hydrogen and floating by air to obtain copper powder and the replacement equipment |
| 01/03/1995 | US5377920 Method for the disposal of nickel-cadmium or nickel-hydride cells |
| 12/31/1994 | CA2127017A1 Apparatus for water-granulating slag |
| 12/28/1994 | EP0630980A1 A method of producing cold-moulded iron-containing briquettes |
| 12/28/1994 | CN2186247Y Equipment for complex hot-close treatment of block steel slag |
| 12/27/1994 | US5376000 Apparatus and process for extracting metal values from foundry sands |
| 12/21/1994 | EP0629712A1 A process for treating compositions containing noble metals and, optionally, other valuable elements in order to recover said valuables |
| 12/15/1994 | DE4331948C1 Process for recovering platinum metals from motor vehicle exhaust catalysts |
| 12/13/1994 | US5372717 Separation of metal ions on an anion exchange resin by chromatographic elution |
| 12/13/1994 | US5372630 Contacting a mixture of slag and molten matte containing zinc sulfide and iron sulfide with an oxygen-containing carrier gas |
| 12/08/1994 | WO1994028183A1 Method and facility for recovering at least one metal contained in waste and scrap from industrial products |
| 12/08/1994 | WO1994027725A1 Beneficiation of saline minerals |
| 12/08/1994 | DE4416699A1 Process for the utilization of metallic residual material, in particular turnings material, in melting furnaces |
| 12/07/1994 | EP0627014A1 Recovery of non-ferrous metals from dross. |
| 12/06/1994 | US5370724 Pyrolysis in a plasma arc furnace to form vitrified slag and a combustible gas |
| 11/30/1994 | EP0626458A1 Process for recovering the metallic phase from dispersed mixtures of light metals and non-metallic components |
| 11/30/1994 | EP0626457A1 Method for working up zinc- and lead-bearing steel plant residues |
| 11/30/1994 | CN1026799C Prodn. of high-chromium, low-phosphorus, and low carbon chromium-iron |
| 11/29/1994 | CA1333217C Apparatus for successively fusing small particles of nonferrous metal |
| 11/28/1994 | CA2123378A1 Method of reprocessing residual metallurgical materials which contain zinc and lead |
| 11/25/1994 | CA2124024A1 Method for the extraction of the metallic phase from dispersed mixtures of light metals and nonmetallic components |
| 11/24/1994 | WO1994026941A1 Method and equipment for thermolytic vacuum processing of solid products, with continuous separation and recovery of a liquid fraction of these products |
| 11/23/1994 | EP0625869A2 Method for the melting, combustion or incineration of materials and apparatus therefor |
| 11/23/1994 | EP0625216A1 Process for remediation of lead-contaminated soil and waste battery casings |
| 11/22/1994 | US5366599 Recovering copper, leaching with copper/II/ amine complex, electrowinning |
| 11/22/1994 | US5366538 Process for the production of a metal melt |
| 11/17/1994 | EP0624656A1 Process and installation for the treatment of solid products by vacuumthermolysis with continuously separation and recovery of a liquid fraction of these products |
| 11/16/1994 | CN1095112A Device and process for the recovery of cadmium and nickel |
| 11/15/1994 | US5364822 Process for the recovery of group VIII noble metals |
| 11/15/1994 | US5364443 Recycling aluminum foil, heating in fluidized bed, melting |
| 11/15/1994 | US5364441 Cotreatment of sewage and steelworks wastes |
| 11/10/1994 | WO1994025628A1 Method for accelerated bioremediation and method of using an apparatus therefor |
| 11/09/1994 | EP0489808B1 Dry cold process for making foundry dusts into briquettes |
| 11/09/1994 | CN1026501C Directly alloying process in vanadium slag furnace |
| 10/27/1994 | WO1994024317A1 Agglomerating by extrusion |
| 10/25/1994 | US5358549 Method of indirect chemical reduction of metals in waste |
| 10/19/1994 | EP0619764A1 Process for removing heavy metals from soils. |
| 10/19/1994 | CN1093756A Method for recovering tin, copper, lead, zinc etc. from copper-smelting offscum |
| 10/18/1994 | US5356601 Using thermostated column in flow communication with air supply source; heating, supplying air, adding bisulfites, mineral acids, sands and cationic surfactant, processing, extracting, filtering |
| 10/18/1994 | US5356455 Process for recovering lead from lead-containing raw materials |
| 10/18/1994 | US5356082 Incinerated waste material treatment |
| 10/13/1994 | WO1994023073A1 Method for collecting valuable metal from nickel-hydrogen secondary cell |
| 10/13/1994 | DE4311769A1 Process for clearing and disposing of waste landfills |
| 10/05/1994 | EP0618633A1 Lithium cell treating method and lithium cell treating apparatus |
| 10/05/1994 | EP0618419A1 Process and device for the disposal of dust in a cupola by combustion/slag production |
| 10/05/1994 | EP0617739A1 Method for continuously melting down scrap metal |
| 10/05/1994 | CN1093117A Recovery method for smoke containing iron, manganese, zinc, lead and other elements |
| 10/04/1994 | US5352419 Recovery of aluminium and fluoride values from spent pot lining |
| 10/04/1994 | US5352270 Method for recycling metal containing electrical components |
| 10/03/1994 | CA2120079A1 Dust injection via an oxy-fuel burner into the melting zone of a cupola furnace |
| 09/29/1994 | WO1994021831A1 Briquette to be used as slag-forming material in smelting furnaces and process for producing it |
| 09/28/1994 | EP0617137A1 Method and apparatus for treating filter residues |
| 09/27/1994 | US5350440 Furnace with deflecting surface and method of charging metal solids |
| 09/27/1994 | US5350438 Method and apparatus for removing plated metal from steel sheet scraps |