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)
01/2004
01/14/2004EP1379712A2 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
01/14/2004EP0883427B1 Metallurgical dust recycle process
01/14/2004CN1134548C Zinc oxide producing method from slag of zinc white furnace
01/13/2004US6676747 Wherein basicities of liquid slags are adjusted to values 0.1 to 0.5 below basicity value (calcium oxide/silicon oxide) of target slag prior to reduction by adding acidic corrective substances such as quartz sand and/or blast furnace slag
01/13/2004US6676725 Can be used as the feed material to a furnace for producing iron; for use in blast furnaces, basic oxygen furnaces, and in direct reduced iron procedures
01/08/2004US20040005167 Toner recycling method and toner recycling system
01/08/2004US20040003681 Method for recovering catalytic metals using a porous metal filter
01/07/2004CN1465747A Method for removing coating, method for preparing regenrrated magnesium alloy and regenerated paint
01/06/2004US6673732 Washing off promoters using bases, then dissolving the magnesium oxide catalyst support in acids and separating ruthenium from the solutions
01/02/2004EP1375686A1 Method of producing stainless steel by re-using waste material of a stainless steel producing process
01/02/2004EP1372878A1 Method of applying marking agent to aluminum sheet for scrap sorting purposes
01/02/2004EP1372860A1 Facility and method for treating muck containing metal
01/01/2004US20040002276 Image display apparatus, disassembly processing method therefor, and component recovery method
12/2003
12/31/2003WO2004001077A1 A method of extracting at least zinc oxide from a material and a plant for use therein
12/31/2003WO2003069025A3 Process for the dissolution of copper metal
12/31/2003WO2002028513A8 Systems and processes for removal of pollutants from a gas stream
12/31/2003CN1132946C Noble metal smelting slag wet metallurgical process
12/30/2003US6669895 Tilting rotary furnace system for recovery of non-ferrous metals from scrap or dross and method of operation
12/30/2003US6669864 Compositions for improved recovery of metals
12/30/2003US6669757 Method for extracting metal from glass waste
12/30/2003US6669755 Apparatus and method for treating containerized feed materials in a liquid reactant metal
12/30/2003US6668752 Mixed frequency RF generator coupled to the gas distribution system
12/25/2003US20030236345 A resin with a softening point suitable as a binder resin for toners, preferably <100 degrees C.; e.g., polyethers, acrylic acid-styrene copolymer, polyestesr; anhydrous; waterproofing; high strength; steel-making flux from aluminum residues
12/25/2003US20030233912 Method of producing stainless steel by re-using waste material of stainless steel producing process
12/24/2003CN1131984C Method for cleaning slag in electric furnace
12/23/2003US6666904 Method and system for extracting metal from glass waste
12/23/2003US6666903 Method for improved recovery of metals
12/23/2003US6666370 Solder-dross mixture separation method and apparatus
12/18/2003WO2003105256A1 Method for manufacturing core material for electrode plate and method for manufacturing alkali storage battery
12/18/2003WO2003104502A1 Apparatus and method for treating containerized feed materials in a liquid reactant metal
12/18/2003WO2003104149A1 Process for recovering rare earth oxide from waste liquid containing rare earth element, and process for producing rare earth oxide using same
12/18/2003DE20316169U1 Device for low temperature pyrolysis of steel-rubber composite products to recover carbon granules, pyrolysis oil, residual gas and metallic components comprises a pyrolysis oven, a preheating chamber and a cooling chamber
12/17/2003EP1370699A1 A method for the precipitation of silica in connection with zinc ore leaching
12/17/2003EP1080239B1 Process to recover molybdenum and vanadium metals from spent catalyst by alkaline leaching
12/17/2003CN1461814A Method of recovery copper from copper coated plate without pollution to environment
12/11/2003WO2003102254A1 Method of metal recovery
12/11/2003US20030226424 Method of removing coating from coated magnesium alloy product, method of making recycled magnesium alloy and method of recycling coating
12/10/2003EP1368503A2 Method for increasing the dry residue in processed cyclone dust
12/10/2003CN1460725A Comprehensive recovery technique of zinc vertical retorting residue
12/09/2003US6660632 Applying amorphous film of metal complex to substrate, converting to metal or its oxides by thermal, photochemical or electron beam irradiation
12/04/2003WO2003100412A2 Method of ore treatment
12/04/2003WO2003099916A1 Method for removing heavy metals from a polymer substrate
12/04/2003US20030222382 Without having to first remove the materials from the containers
12/04/2003US20030222020 Apparatus and method of recovering lithium cobalt oxide from spent lithium batteries
12/04/2003US20030221517 Article and method for treating molten metal bath
12/03/2003EP1367141A1 Method of granulation treatment of raw material for iron making and granulation treatment agent for iron making
12/03/2003EP1366218A1 Electrorefining process for separating metals
12/02/2003US6656415 Process and device for precipitating compounds from zinc metal baths by means of a hollow rotary body that can be driven about an axis and is dipped into the molten zinc
12/02/2003CA2117155C Separation and recovery of metal values from natural bitumen ash
11/2003
11/27/2003US20030219368 Air pollution control
11/26/2003CN1458291A Noble metalregeneration recovering method for electronic waste material
11/25/2003US6652819 Combusting the carbonaceous residues at 500-690 degrees C.; heating the residues at a specific temperature and oxygen partial pressure to obtain a tetravalent vanadium compound; leaching with sulfuric acid; basification to precipitate
11/25/2003US6652623 Method and kit for working up a gold bath
11/20/2003WO2003002775A3 Method and plant for treating flue gas dust of electric steelmaking furnaces and steel mills using pelletization
11/20/2003WO2002072921A3 Method and device for recovering metals with pulsating cathode currents also combined with anode coupling processes
11/19/2003EP1242638B1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
11/19/2003CN1457369A Method of granulation treatment of raw material for iron making and granulation treatment agent for iron making
11/13/2003US20030209106 Filtration of colloids; combustion
11/12/2003EP1289893B1 Device and method for treating a refuse material containing hydrocarbons
11/12/2003EP1280593B1 Process for the purification of flue gas
11/12/2003EP1183400B1 Method for separating in an aqueous medium lanthanides and/or actinides by combined complexing-nanofiltration, and novel complexing agents therefor
11/12/2003CN1455854A Oxy-fuel combution system and uses thereof
11/12/2003CN1127378C Aluminium recovering method and system from salt cake
11/11/2003US6646147 Wood treatment
11/06/2003US20030206850 Method and apparatus for processing ashes of incinerator plants
11/06/2003US20030205184 Ammonia removal from fly ash
11/05/2003CN1453379A Wet process of extracting vanadium and/or molybdenum from waste catalyst
11/05/2003CN1126638C Method for removing metal coating layer from metal wastes
11/04/2003US6642199 For selectively removing materials containing nickel from substrates
11/04/2003CA2156823C Method and system for removing and/or causing recycling of materials
10/2003
10/30/2003WO2003089677A1 Process for the treatment or removal of impurities in a hydrometallurgical extraction process
10/29/2003EP1357195A2 Method for reducing wet waste from metal refining processes
10/29/2003EP1235952B1 Method of electrochemical in situ disposal of metal structures
10/29/2003CN1452605A Method for recovery of metals by incineration of metal contg. basic ion exchange resin
10/29/2003CN1451787A Electrochemical powder decomposing method and eleclrotyzer adapted for same
10/28/2003US6639222 Device and method for extracting a constituent from a chemical mixture
10/23/2003WO2003087416A1 Process for extracting platinum group metals
10/23/2003US20030197313 Elevated discharge gas lift bubble pump and furnace for use therewith
10/23/2003US20030196902 In particular high melting alloys such as rhenium/tungsten alloys, rhenium/molybdenum alloys, rhenium/molybdenum/tungsten alloys, superalloys, and alloy systems containing noble metals
10/23/2003US20030196517 Method of treating heavy metal and/or organic compound
10/22/2003EP1354969A2 Method for conditioning of a liquid blast furnace slag
10/22/2003EP1354968A2 Process for electrochemical dissolution of high-melting point special alloy powders and electrolytic cell suitable therefor
10/22/2003EP1354646A1 Method of treating heavy metal and/or organic compound
10/22/2003EP1354073A2 Method for the treatment of work pieces with a palladium colloid solution
10/22/2003CN1125472C Feedstock powder for R-Fe-B magnet and process for producing R-Fe-B magnet
10/21/2003US6635219 Method of regenerating a phase-change sputtering target for optical storage media
10/21/2003CA2319896C Method for removing metals from air pollution control residues
10/17/2003CA2425504A1 Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor
10/16/2003US20030192404 Process for the treatment or removal of impurities in a hydrometallurgical extraction process
10/15/2003CN1449308A Unit and method for processing of shredder residues and use of a sand fraction produced thus
10/14/2003US6632113 Image display apparatus, disassembly processing method therefor, and component recovery method
10/08/2003CN1446930A Techniques of exhausting fume, electrostatic dust collection, lead powder granulation in cone stove for glass bulb of color picture tube
10/07/2003US6630099 Facilitates continuous melting while retaining the options of discharging product by continuously, also facilitates high heat transfer rate throughout the reaction zones and avoids localized overheating or undercooling
10/02/2003WO2003080879A1 Process for the recovery of gold and silver from used refractory bricks
10/02/2003WO2003080878A1 Process for the recovery of nickel from spent catalyst
10/02/2003US20030185733 Oxidising "organics" in precious metal organic compositions such as heterogeneous Pt/C or homogeneous precious metal catalysts and producing a precious metal oxide with few by-products and low losses of precious metal.
10/02/2003US20030183043 Ultrasound enhanced process for extracting metal species in supercritical fluids
10/01/2003EP1135537B1 Treating niobium and/or tantalum containing raw materials
10/01/2003CN1445381A Method for recovering catalytic metal using porous metal filter
10/01/2003CN1445380A Method for recovering catalytic metal
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