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)
03/2003
03/25/2003CA2199268C Method for recovering metal and chemical values
03/20/2003WO2003023078A1 Molten metal pump and furnace for use therewith
03/20/2003WO2002075005A3 Method for the use of electric steel plant slag for self-reducing agglomerates
03/20/2003CA2459889A1 Molten metal pump and furnace for use therewith
03/19/2003EP1292718A2 Method for depositing metal and metal oxide films and patterned films
03/19/2003EP1292716A2 Method of processing zinc, cadmium and lead bearing furnace flue dust by heating in the presence of carbonaceous material
03/19/2003CN1404529A Method for upgrading steel plant dust
03/19/2003CN1403604A Method of recovering metal rhodium from waste olefine carbonylating catalyst liquid
03/18/2003US6533990 Apparatus for distilling molten baths
03/18/2003US6533837 Method of recovering and recycling magnetic powder from rare earth bond magnet
03/13/2003WO2003021708A2 Recycling used electric cells by hydrometallurgical treatment
03/13/2003WO2003020989A1 High temperature metal recovery process
03/13/2003WO2003020987A1 Method of treating steelmaking waste, and movable hearth furnace therefor
03/13/2003WO2003020647A1 Method of treating heavy-metal-containing wastewater with sulfidizing agent and treatment apparatus
03/13/2003US20030047850 Molten metal pump and furnace for use therewith
03/13/2003US20030047035 High temperature metal recovery process
03/12/2003EP1290272A1 Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals
03/12/2003EP1290232A1 Method of producing a metallized briquette
03/12/2003EP1289893A1 Device and method for treating a refuse material containing hydrocarbons
03/12/2003CN1402368A Recovery of dry cell by leaching process
03/12/2003CN1401801A Preparation of active zinc oxide from zinc dross by ultrasonic-microwave process
03/12/2003CN1401800A Six valence chromium ion-contg. waste slag comprehensive utilization and harmless treatment method
03/12/2003CN1401798A Method for separating cobalt and zirconium from Co/ZrO2-SiO2 waste catalyst
03/06/2003WO2003018850A1 Method in the manufacture of steel
03/06/2003US20030044335 Using oxidizer
03/06/2003US20030041994 Recovery method of compact disc
03/06/2003US20030041693 Agglomerating and sintering iron and zinc ore and ore concentrates, steel mill ferrous waste and zinc mill waste, includes mixing with agglomeration agent sodium silicate, water soluble polymers, or aqueous emulsions of oils
03/05/2003EP1286740A1 Method and device for separating by sedimentation physically detectable particles from a particle flow
03/05/2003CN1401010A Method for reprocessing dust or dust mixtures
03/05/2003CN1401009A Method for treating slags or slag mixtures on and iron bath
03/05/2003CN1400323A Separation process of rare metal regenerated alloy by using chloridization method
02/2003
02/26/2003CN1398996A Waste magnesium alloy vacuum recovering process and equipment
02/25/2003US6524737 Method for crushing cell
02/25/2003US6524366 Tungsten carbide grains free from any binding metal comprising oxidizing tungsten carbide to form tungsten oxide; dissolving in acid, dissolving in alkaline solution, spray drying to powder, carburizing said precursor powder
02/25/2003US6523764 Heating, pulverization, separation of wastes from printed circuits
02/25/2003US6523597 Recovery method of compact disc
02/20/2003WO2002042502A8 Method and equipment for handling dross and recovering the non-ferrous metals contained therein
02/18/2003US6521040 Method for processing chromium oxide-containing substances in large quantities, method for utilizing the processed substances, and products comprising the processed substances
02/13/2003US20030029782 Solder dross removal apparatus and method
02/12/2003EP1283273A2 Apparatus for distilling molten metal
02/12/2003EP1283086A2 Solder dross removal apparatus and method
02/12/2003EP1017511B1 Process for cleaning mercury-contaminated soils
02/12/2003CN1396961A Method for removing chrome and/or nickel from liquid slags
02/12/2003CN1396959A Method for producing pozzolanic binders for cement industry from steel slags using reduction metal bath
02/12/2003CN1396282A Equipment for preparing regenerated fluoride salt or alumina from waste of aluminium electrolysis
02/12/2003CN1396281A Process for recovering metal and non-metal materials from copper enriched electronic waste
02/11/2003US6517789 Method for reclaiming constituents from an industrial waste stream
02/11/2003US6517701 Sequential solvent extraction steps; substituted monothiophosphinic acids
02/11/2003CA2292563C Method for processing material comprising aluminium and plastic
02/06/2003WO2003010346A2 Wet process and reactor for the recovery of platinum group metals from automobile catalytic converters
02/06/2003WO2002009852A3 System and process for removal of pollutants from a gas stream
02/06/2003US20030027503 Grinding sludge compacting machine
02/06/2003US20030025253 Apparatus for distilling molten baths
02/06/2003US20030024353 Gelatin encapsulated metal powder for silver recovery from processing solutions
02/06/2003US20030024349 Melting iron material and carbon material to produce a high-carbon molten iron whose carbon content is not lower than 1%
02/05/2003EP1281779A2 Selective metal leaching process
02/05/2003EP1280593A1 Process for the purification of flue gas
02/05/2003EP0946300B1 Process for the RECOVERY OF CO/MN FROM ASH
02/05/2003CN1394973A Production method for extracting high-purity silver bead from waste material containing lead and silver
02/04/2003US6514311 Clean process of recovering metals from waste lithium ion batteries
02/03/2003CA2396665A1 Selective metal leaching process
01/2003
01/30/2003WO2003008651A1 Steel making material recycling system
01/30/2003WO2003008119A1 Stabilisation treatment, in particular for waste incineration residues
01/30/2003WO2002090604A3 Method and installation for utilizing waste products, which contain hydrocarbons and iron oxide, particularly mill scale sludges and coal fines
01/30/2003CA2459112A1 Steel making material recycling system
01/29/2003EP1278896A1 A method and an apparatus for recovery of metals
01/29/2003CN1393570A Process for removing and recovering Hg from waste battery
01/29/2003CN1393295A Environment protection method for recovering optical discs
01/28/2003US6511639 Lithium/transition-metal mixed oxide compounds from spent lithium batteries can be resynthesized after solvent extraction, grinding, and heat treatment
01/23/2003WO2003006714A1 System and method for removing a solution phase metal from process liquor
01/23/2003WO2003006694A1 Process for passivating sulfidic iron-containing rock
01/23/2003US20030015063 Steel making material recycling system
01/23/2003CA2452496A1 Process for passivating sulfidic iron-containing rock
01/22/2003EP1277789A2 Apparatus and method for treatment of organic waste material containing metal
01/21/2003US6508993 Steam heating in aqueous concentrated nonacid oxidizer such as sodium chlorate containing solid sodium chloride then adding hydrochloric acid at rate sufficient to prevent outgassing of hydrogen
01/16/2003WO2003004710A1 Method for producing briquettes from finely dispersed metal oxides
01/16/2003WO2001083844A3 Method for depositing metal and metal oxide films and patterned films
01/16/2003US20030012716 Solvent extraction using an organic solution of an oxine i.e. an 8-hydroxy quinoline and substituted 8-hydroxy quinoline that may be alkyl or alkylene-substituted.
01/16/2003US20030010647 System and method for removing a solution phase metal from process liquor
01/16/2003US20030010156 Method for upgrading steel plant dust
01/16/2003US20030010060 Method for treating steel plant slag
01/15/2003EP1275741A1 Remelting of rare earth magnet scrap and/or sludge, magnet-forming alloy, and sintered rare earth magnet
01/15/2003EP1275443A2 Method for the physical and chemical treatment, and the separation of industrial and/or domestic waste
01/15/2003CN1390967A Process for regenerating used Mg-alloy
01/09/2003WO2003002775A2 Method and plant for treating flue gas dust of electric steelmaking furnaces and steel mills using pelletization
01/09/2003WO2002036834A8 Method and apparatus for utilising recyclings containing iron and heavy metals while involving the use of a melting cyclone, a separating vessel, and a vessel for carrying out metallurgical treatment
01/08/2003EP1273414A1 Method for recycling compact disks
01/08/2003EP1273393A2 Grinding sludge compacting machine
01/08/2003EP1272679A2 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
01/08/2003EP1144696A4 Method of producing molten iron in duplex furnaces
01/02/2003US20030000552 process for removing oil containing machining fluid from machined chips
01/02/2003EP1270751A1 Process of purifying and remelting of contaminated light metals and light metal alloys
01/02/2003EP1270093A1 System and process for removing oil containing machining fluid from machined chips
01/02/2003EP1269554A1 A method for recycling spent lithium metal polymer rechargeable batteries and related materials
01/02/2003EP1268867A1 Method and a plant for removing mercury contamination from metal with a reducing liquid
12/2002
12/31/2002US6500395 Removing metals such as lead, cadmium and mercury from air pollution control residues using alkaline wash followed by acid wash
12/31/2002US6500229 Method for treating steel works dust by wet process
12/29/2002CA2389960A1 System and process for removing oil containing machining fluid from machined chips
12/27/2002WO2002042502B1 Method and equipment for handling dross and recovering the non-ferrous metals contained therein
12/27/2002CA2448381A1 Method for manufacturing metal nuggets
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