| 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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| 10/10/1996 | WO1996031631A1 Treatment of fly ash |
| 10/10/1996 | WO1996031630A1 Reuse of metallurgical fines |
| 10/10/1996 | WO1996031629A2 Process for treating impurity streams for disposal |
| 10/10/1996 | DE19512560A1 Converting metal-contg. heavy dust or sludge into form suitable for blowing into a metallurgical furnace |
| 10/10/1996 | CA2217350A1 Treatment of fly ash |
| 10/10/1996 | CA2216119A1 Process for treating impurity streams for disposal |
| 10/10/1996 | CA2215409A1 Reuse of metallurgical fines |
| 10/09/1996 | CN1133071A Recovery of palladium catalyst |
| 10/02/1996 | EP0734355A1 Recovery of spent catalyst |
| 10/02/1996 | EP0734354A1 Recovery of spent catalyst |
| 09/18/1996 | EP0731851A1 Method of processing solid residues from waste-incineration plants and a device for carrying out the method |
| 09/18/1996 | EP0662159B1 Method for producing electrorefined aluminium with low uranium, thorium and rare earth content |
| 09/18/1996 | CN1131199A Method for leaching nickel-copper matte |
| 09/17/1996 | US5556457 Recovery of steel plant revert materials through cementitious agglomeration |
| 09/17/1996 | US5556447 Detoxification of mercury contaminated soils with vaporization, contacting with carbon, separation and recovering mercury by heating, purging and condensing |
| 09/17/1996 | US5555822 Apparatus for dissociating bulk waste in a molten metal bath |
| 09/17/1996 | CA2014733C Treatment of high nickel slimes |
| 09/11/1996 | CN1032764C Method for extracting noble metal and valueable metal from tin anode mud |
| 09/10/1996 | US5554207 Process of recycling iron oxides and plastics in steelmaking |
| 09/03/1996 | CA1338567C Method of recycling steel belted tires |
| 08/29/1996 | DE19529217C1 Agglomeration of roller scale sludge |
| 08/28/1996 | EP0728221A1 Process for combined decoating and melting of aluminum scrap contaminated with organics |
| 08/27/1996 | US5549811 Process for decontamination soils polluted with metals |
| 08/27/1996 | US5549206 Nonferrous metal separator |
| 08/22/1996 | WO1996025526A1 Process for separating uranium, radium and arsenic from solutions of their compounds |
| 08/21/1996 | EP0727499A1 Method for removing at least one coating from metal scrap parts |
| 08/21/1996 | CN1032597C Method for recovering gold of low concentration |
| 08/20/1996 | US5548611 Method for the melting, combustion or incineration of materials and apparatus therefor |
| 08/20/1996 | US5547490 Heat-vaporizing of lead compounds leaves zinc-containing residues which are chemically reduced to zinc vapors, then cooling, filtration |
| 08/20/1996 | US5547487 From impure by-products of electric-furnace process for making phosphorous |
| 08/15/1996 | WO1996024696A1 Method of manufacturing pig iron or steel and cement clinker from slags |
| 08/14/1996 | DE19528328A1 Method for re-mfr. of tungsten-contg. hard metals from secondary raw materials |
| 08/14/1996 | CN1128961A Solvent extraction for metalic matter |
| 08/13/1996 | US5545800 Decomposition using a reducing agent |
| 08/08/1996 | WO1996023905A1 Hydrometallurgical processing of flue dust |
| 08/01/1996 | WO1996022950A1 Method of utilizing dusts produced during the reduction of iron ore |
| 07/31/1996 | EP0724306A1 Process for the hydrometallurgical and electrochemical treatment of the active mass of exhausted lead batteries, to obtain electrolytic lead and elemental sulphur |
| 07/31/1996 | EP0723599A1 Recovery of palladium catalyst |
| 07/31/1996 | CN1127792A Method for processing metallic waste |
| 07/30/1996 | US5540752 Method for recovery of non-ferrous metals from scrap and dross |
| 07/30/1996 | US5540751 Method for recovering zinc from zinc containing dust |
| 07/26/1996 | CA2141099A1 Process for the hydrometallurgical and electrochemical treatment of the active mass of exhausted lead batteries, to obtain electrolytic lead and elemental sulphur |
| 07/25/1996 | WO1996022398A1 Method for purification of saline minerals |
| 07/25/1996 | WO1996022397A1 Apparatus and method for metal chip reclamation |
| 07/24/1996 | EP0722376A1 Treatment of particulate matter by electrical discharge |
| 07/23/1996 | US5538552 Waste treatment process |
| 07/23/1996 | US5538532 Methods for recycling electric arc furnace dust |
| 07/23/1996 | US5537940 Waste treatment in metal bath to form hydrogen and carbon oxide gas after oxidation then decarbonization |
| 07/18/1996 | DE19505045C1 Verfahren zur Abtrennung von Uran, Radium und Arsen aus Lösungen ihrer Verbindungen Process for the separation of uranium, radium and arsenic from solutions of their compounds |
| 07/17/1996 | EP0722001A1 A method of selectively removing zinc from acid effluents |
| 07/09/1996 | US5535235 Melting furnace having preheating vessel |
| 07/09/1996 | US5535234 Process for the simultaneous smelting of dust and incinerator slag |
| 07/03/1996 | EP0639091B1 Method for indirect chemical reduction of metals in waste |
| 07/03/1996 | CN1125962A Method for treatment of residues from organochlorosilane and/or chlorosilansynthesis |
| 07/02/1996 | US5531805 Mixing with sewage sludge carbon material; pelletization, chemical reduction, and carburization |
| 06/27/1996 | WO1996019841A1 Process for recovery of metals from used nickel-metal hydride accumulators |
| 06/27/1996 | WO1996019840A1 Process for recovery of metals from used nickel-metal hydride accumulators |
| 06/27/1996 | DE4445496A1 Verfahren zur Rückgewinnung von Metallen aus gebrauchten Nickel-Metallhydrid-Akkumulatoren A process for the recovery of metals from used nickel-metal hydride storage batteries |
| 06/27/1996 | DE4445495A1 Verfahren zur Rückgewinnung von Metallen aus gebrauchten Nickel-Metallhydrid-Akkumulatoren A process for the recovery of metals from used nickel-metal hydride storage batteries |
| 06/27/1996 | CA2208320A1 Process for recovery of metals from used nickel/metal hydride storage batteries |
| 06/26/1996 | EP0718251A2 A method of aging steel-making slag and an apparatus for use in such a method |
| 06/26/1996 | CN1125262A Regenerative process and device for tinned copper wire spent material and tin-aluminium waste slag |
| 06/26/1996 | CN1032144C Purifying method of waste slag containing industrial alumina |
| 06/20/1996 | WO1996018746A1 Method of recovering reclaimed aluminum material from substances containing metallic aluminum |
| 06/20/1996 | CA2201743A1 Method for recovering aluminium from materials containing metallic aluminium |
| 06/19/1996 | EP0717117A1 Method for the recovery of silver value from aqueous solution |
| 06/19/1996 | EP0716715A1 Recovery of aluminum and/or fluoride values from used aluminum chlorofluorides |
| 06/18/1996 | US5527380 Recovery of non-ferrous metals from dross |
| 06/13/1996 | DE19544277A1 Sepn. of non-ferrous metals from iron phosphate contg. slurries |
| 06/12/1996 | EP0716153A1 Method and furnace for disposal of steel-making waste, and operating method of the furance |
| 06/12/1996 | EP0489083B1 Smelting of metallurgical waste materials containing iron compounds and toxic elements |
| 06/12/1996 | CN1124233A Method for water-granulating calcium ferrite slag |
| 06/11/1996 | US5525141 Separation of metallic and nonmetallic phase; purity |
| 06/11/1996 | CA1338370C Process for recovering non-ferrous metal values, especially nickel, cobalt, copper and zinc, by using melt and melt coating sulphation, from raw materials containing said metals |
| 06/06/1996 | WO1996017090A1 Method for producing iron feedstock |
| 06/06/1996 | CA2206555A1 Method for producing iron feedstock |
| 06/05/1996 | EP0714860A1 Method for preparing the residues from an apparatus for burning waste products and apparatus used therefor |
| 06/05/1996 | EP0632843B1 Process for removing lead and zinc from metallurgical-works dust |
| 06/05/1996 | DE4437138C1 Verfahren zur Aufarbeitung und Verwertung von Bortrifluorid-Katalysatorrückständen Method for processing and utilization of boron trifluoride catalyst residues |
| 06/05/1996 | CN1123843A Recovery of platinum family elements from waste catalysts |
| 05/29/1996 | EP0713536A1 A process for recovering metals |
| 05/26/1996 | CA2163847A1 Process for the treatment of solid residues from refuse incineration plants, and apparatus for applying the process |
| 05/22/1996 | EP0713054A1 Process and device for the thermal destruction of waste |
| 05/22/1996 | EP0712446A1 Process for producing briquettes from smelting residues |
| 05/22/1996 | CN1122836A Method for recovering silver from waste liquor containing silver chloride |
| 05/21/1996 | US5518518 Amorphous metal alloy and method of producing same |
| 05/17/1996 | WO1996014440A1 Process for decomposing and recovering the metal components from superalloys |
| 05/17/1996 | WO1996014173A1 Method of recovering metal materials from gas generator for air bag |
| 05/14/1996 | US5516976 Sulphate agglomeration |
| 05/14/1996 | US5516968 Methods of decontaminating mercury-containing soils |
| 05/14/1996 | US5516408 Below the melting point, leaching, solvent extraction, electrodeposition |
| 05/09/1996 | WO1996013624A1 Process for making copper wire |
| 05/09/1996 | DE4439041A1 Verfahren zum Aufschluß und Rückgewinnung der metallischen Bestandteile aus Superlegierungen Method for the decomposition and recovery of metallic components from superalloys |
| 05/08/1996 | CA2161831A1 Process for the recovery of metallic iron from slags and other residues |
| 05/07/1996 | US5514203 Adding quicklime binder and coal dust to dehydrated sludge, granulation, charging to melting/gasification zone while increasing basicity of slag |
| 05/02/1996 | DE19507066C1 Removing residual nickel@ from used electroless nickel@ coating bath |
| 05/01/1996 | EP0709472A1 Method for Waelz treatment of metalliferous sludge |
| 04/30/1996 | US5512257 Treating with acidic aqueous solution to dissolve zinc,cadmium, mercury and lead compounds, then filtration and treating solid residue with precipitating agent to bind heavy metal compounds before disposal |
| 04/30/1996 | US5511496 Method of recovering glass and metal from solid residues produced in refuse incineration plants |
| 04/30/1996 | CA2029623C Method for selectively separating a non-ferrous metal |