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)
08/2001
08/02/2001WO2001055457A1 Method for producing pozzolanic binders for the cement industry from steel slags using a reduction metal bath
08/02/2001WO2001054800A1 Method for processing metalliferous secondary raw materials in a combustible composite
08/02/2001WO2001054799A1 Method and plant for purifying fumes containing condensable pollutants
08/02/2001CA2398352A1 Method for removing chrome and/or nickel from liquid slags
08/02/2001CA2398349A1 Method for reprocessing dust or dust mixtures
08/01/2001EP1119646A1 Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material
08/01/2001EP1119645A1 Process and apparatus for recovering metal material from waste material
08/01/2001EP0948654B1 Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method
08/01/2001EP0861337B1 Method for decarburizing steels melts
08/01/2001CN1069090C Overall recovery method for wet-process zinc smelting clear liquid dregs
07/2001
07/31/2001US6268590 Apparatus and method for continuous retorting of mercury from ores and others mercury contaminated materials
07/26/2001WO2001053547A1 Method for separating a fraction containing ne metals into the respective ne metals by means of surface colouring
07/26/2001WO2001053543A1 Method for treating steel plant slag
07/25/2001EP1119014A1 Image display, method for disassembling the same, and method for recovering part
07/25/2001EP0934432B1 METHOD OF DE-CHROMING AND/OR DEPLETING THE MgO CONTENT OF STEEL SLAG
07/25/2001CN1305537A Process to recover molybdenum and vanadium metal from spent catalyst by alkaline leaching
07/24/2001US6264909 Nitric acid production and recycle
07/24/2001US6264903 Leaching; zinc displacement
07/24/2001US6264725 Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method
07/24/2001US6264720 Extracting metal from substrate by contacting with aqueous treatment solution containing (s,s)-ethylene diamine disuccinic acid and (s,s)-di-imine butane dioic acid acting as chelating agent to form extract solution; separating
07/24/2001US6264039 Method for precious metal recovery from slag
07/19/2001WO2001051676A2 Device and method for obtaining raw materials from liquid slag
07/18/2001EP1115890A1 Method for producing directly reduced metal in a multi-tiered furnace
07/18/2001EP0975816B1 Method for recycling brass foundry waste
07/18/2001CN1304387A Method for treating stainless steel refining slag
07/17/2001US6261712 Method of reclaiming cathodic active material of lithium ion secondary battery
07/17/2001US6261340 Method for transforming slag derived from non-iron metallurgy
07/12/2001WO2001049389A1 Method and apparatus for metal removal by ion exchange
07/11/2001EP1114873A1 Biological method of dezincifying galvanised scrap metal
07/11/2001EP1114193A1 Method for heat-treating recyclings containing oil and iron oxide
07/11/2001EP1114190A1 Blast furnace with narrowed top section and method of using
07/10/2001US6258150 Process for the beneficiation of waste material and the product developed therefrom
07/05/2001WO2001048254A1 Method for the utilisation of plastic waste in the thermal treatment of metalliferous recyclings
07/05/2001US20010006606 Aluminium base alloy of scrap metal and casting alloy produced from this
07/05/2001US20010006012 Continuous metal melting apparatus
07/04/2001EP0954616B1 Method and device for separating metals and/or metal alloys of different melting points
07/04/2001CN1302338A Method for processing steel slags
07/04/2001CN1068058C Method for separating titanium and/or vanadium from pig iron
07/03/2001US6255510 Production of aromatic carboxylic acids and recovery of Co/Mn catalyst from ash
06/2001
06/28/2001WO2001046481A2 Thermodestruction and inertisation of halogenated wasted in a metallurgical reactor
06/28/2001US20010005496 Adding a first fraction of a zinc oxide (ZnO)/ammonium chloride (NH4Cl) solution to given amount of water to form an intermediate solution and ZnO precipitate, and the second fraction to the intermediate solution; from industrial waste
06/27/2001EP1111077A1 Aluminium alloy produced from scrap metal and casting alloy so produced
06/27/2001EP1111076A2 Telescopic dross pot
06/27/2001CN1301312A Continuous metal melting process and apparatus
06/26/2001US6251160 Method of de-chroming and/or depleting the MgO content of steel slag
06/26/2001US6251156 Method of producing molten iron in duplex furnaces
06/26/2001CA2192084C Hydrometallurgical treatment for the purification of waelz oxides through lixiviation with sodium carbonate
06/24/2001CA2329561A1 Aluminium base alloy of scrap metal and casting alloy produced from this
06/21/2001WO2001044521A1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
06/20/2001EP1108070A1 Method for the thermal processing of residues containing heavy metals and iron oxide
06/20/2001CN1067440C Method for treating lead-containing soot
06/20/2001CN1067439C Treatment method for high zinc containing iron dust
06/20/2001CN1067438C Method and devie for decarburizing molten steel
06/19/2001US6248302 Digestion, heating, dissolving water soluble salts, separation
06/13/2001EP1105544A1 Method for producing zinc using the is process in an is shaft furnace and corresponding is shaft furnace
06/13/2001EP1017502B1 Process for recycling old cars
06/13/2001CN1067112C Method for veduction and melting of compounds contg. metallic elements
06/13/2001CN1067107C Equipment and method for producing sponge iron
06/12/2001US6245123 Safe separation of noxious substances and, in particular, the separation of copper prior to the aftertreatment of the slag
06/12/2001US6245122 Apparatus and method for reclaiming scrap metal
06/07/2001WO2001041151A2 Nuclear fuel dissolution
06/07/2001WO2001040551A1 Method of electrochemical in situ disposal of metal structures
06/07/2001WO2001040528A1 Post-treatment method for deoxidizing metallurgical slag
06/07/2001WO2001040523A1 Apparatus and process to extract heat and to solidify molten material particles
06/05/2001US6241806 Recovering vanadium from petroleum coke as dust
06/05/2001US6241805 Combining a wet scrubber sludge with hot slags to form a mixture, making steel using the mixture in the process
06/05/2001US6241800 Acid fluxes for metal reclamation from contaminated solids
06/05/2001US6241797 Process for reducing oxidic slags
06/05/2001CA2191227C Fluid extraction of metals and/or metalloids
06/05/2001CA2140262C Treatment of polyvinylchloride
05/2001
05/29/2001US6238633 Process for preparing calcium aluminate from aluminum dross
05/25/2001WO2001036694A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes
05/22/2001US6235253 Recovering vanadium oxides from petroleum coke by melting
05/22/2001US6235234 Device and method for enhancing zinc yield from dross
05/22/2001US6235084 Vacuum treatment, filling with steel melt, pressure adjustment and replenishing oxygen
05/22/2001US6235074 An enameled copper wire having a polyester and/or a polyurethane based insulating coating thereon, and the process includes the steps of immersing the winding into an alkali solution, removing alkali attaching to the winding, and
05/17/2001WO2001034856A1 Recovery of metal values from aqueous solutions and slurries
05/17/2001CA2389658A1 Recovery of metal values from aqueous solutions and slurries
05/16/2001EP1099767A1 Method and device for induction-heating and melting metal oxides-containing powder and granular material
05/16/2001EP1099746A2 Continuous process for transforming material and apparatus apt to carry out such process
05/15/2001US6231640 Exothermic oxidation
05/15/2001US6231634 Solid waste mixture containing metal and water; uniform particle sizes; drying
05/09/2001EP0897429B1 Method and device for direct reduction of ore fines
05/09/2001EP0754245B1 Method of manufacturing pig iron or steel and cement clinker from slags
05/09/2001CN1294035A Method for prepn. of adhered magnet of recovered raw material powder and recovering and utilizing adhered magnet
05/08/2001US6228319 Portable dross press with rising and dumping pot
05/08/2001US6228143 Via preheating the sweep gas above auto-ignition temperature of polymers and controlling the oxygen content within oxidizer to reduce risk of explosion; cadmium, nickel, and iron remain for subsequent processing; pyrometallurgy
05/03/2001WO2001031073A1 A process and apparatus for the removal of a contaminant from slag
05/03/2001CA2388458A1 A process and apparatus for the removal of a contaminant from slag
05/02/2001EP1096517A2 Method of producing recycled raw material powder for use in bonded magnet and method of recycling bonded magnet
05/02/2001EP1095235A2 Coke-heated circulating gas cupola furnace for material and/or energetic recycling of waste materials having different compositions
05/02/2001CN1293260A Process for recovering Co and Mn catalyst from oxidized dregs of terephthalic acid
05/01/2001US6224648 Method and device for separating metals and/or metal alloys of different melting points
05/01/2001CA2156295C Process for the treatment of electric arc furnace dust
05/01/2001CA2011855C Process of treating metal chloride wastes
04/2001
04/26/2001WO2001029275A1 Recovery of precious metals from coal burning slag by multiple crushing/suspension stages
04/25/2001EP1094122A1 Process for melting of heavy metal bearing residues
04/25/2001EP1094043A1 Method for treating stainless steel refining slag
04/25/2001EP0840808B1 Method of purifying gold
04/24/2001US6221124 Fluidized bed treatment of EAF dust
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