Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924)
09/2004
09/15/2004CN2641061Y Solid aluminum calcining appts. for aluminum electrolyzer
09/14/2004US6790337 Method and device for operating an electrolytic cell
09/09/2004US20040173470 Reduction of metal oxides in an electrolytic cell
09/08/2004CN2639317Y Material stirrer for fine aluminium production
09/08/2004CN1165638C Method for producing multi-layer cathode structures
09/07/2004US6787019 Low temperature alkali metal electrolysis
09/02/2004WO2004074552A1 Molten salt electrolytic cell and method for producing zinc
09/02/2004WO2004074551A2 Inert anode designs for reduced operating voltage of aluminum production cells
09/02/2004WO2004074549A2 Aluminium electrowinning cells with metal-based anodes
09/02/2004US20040168932 Refining, electrowinning; vapor deposition; alloy of titanium, tantalum
09/02/2004US20040168931 Forming aluminum by reduction of alumina dissolving in cryolite melt bath
09/02/2004US20040168930 Method for regulating an electrolytic cell
09/01/2004EP1451390A2 Method and device for detecting anode effects of an electrolytic cell for aluminium production
09/01/2004EP1252373B1 A method and device for operating an electrolytic cell
08/2004
08/31/2004US6783656 Low temperature operating cell for the electrowinning of aluminium
08/31/2004US6783655 Electrolytic cell lined with refractory boride; forming aluminum
08/26/2004WO2004049467A3 Inert anode assembly
08/26/2004US20040163967 Inert anode designs for reduced operating voltage of aluminum production cells
08/25/2004EP1448810A2 Alloy-based anode structures for aluminium production
08/25/2004EP1448802A2 Electrochemical processing of solid materials in fused salt
08/25/2004EP1272690B1 Electrolyte and diaphragm for fused salt electrolysis
08/25/2004EP1252372A4 Method and apparatus for removing thimbles from the stubs of an anode
08/25/2004CN1163637C Process for producing rare earth metals
08/25/2004CA2753404A1 Protecting an inert anode from thermal shock
08/24/2004CA2158719C Sensor arrangement for temperature measurement
08/19/2004WO2004070086A2 Servicing machine for electrolysis cells for producing aluminium
08/19/2004US20040161343 Process and a device for transport of gas
08/19/2004US20040159559 Electrolysis of calcium, barium, lithium, cesium, or strontium chloride; reducing level of dissolved oxygen or other elements from solid metals, metal compounds and semi-metal compounds and alloys
08/18/2004EP1446625A1 A method for operating a pre-bake electrolysis cell system and an arrangement for use in this system
08/18/2004CN2633900Y Double anode turning mechanism
08/18/2004CN1522315A Reduction of metal oxides in an electrolytic cell
08/17/2004US6776081 Pneumatic actuator system
08/12/2004DE10304315A1 Production of carnallite/sodium chloride crystals useful for magnesium production by melt electrolysis comprises two-stage crystallization of carnallite brine with addition of potassium chloride
08/11/2004EP1445350A1 Method and apparatus for smelting titanium metal
08/11/2004CN2632099Y Circular 10 thousand A electrolyzing tank for producing rare earth metals by molten salt process
08/11/2004CN2632098Y Electrolytic aluminium anode transporting devices
08/11/2004CN1520501A Process and device for transport of gas
08/11/2004CN1161498C Production process of clean anode coke
08/11/2004CA2418629A1 Green anode
08/10/2004US6773574 Controlling the ram force to a preset maximum value to stop the rams when contacting the stubs; then advancing at the same speed to push the stubs through the thimble; avoids bending of carbon anode yoke; aluminum smelting
08/10/2004CA2137817C Carbon masses in particular for use in aluminium production cells
08/05/2004US20040149569 Aluminium-wettable porous ceramic material
08/04/2004EP1443128A1 Service machine for electrolytic cells in aluminium production
08/04/2004EP1442159A1 A dimensionally stable anode for the electrowinning of aluminium
08/04/2004EP1366216B1 Cell for the electrowinning of aluminium operating with metal-based anodes
08/04/2004CN2630262Y Slag-removing mechanism with linear motion-path crab bucket
08/03/2004US6770391 Hydrogen sensor for fuel processors of a fuel cell
08/03/2004US6770187 Method for electrochemically producing an alkali metal from an aqueous solution
07/2004
07/29/2004US20040144642 Cell for the electrowinning of aluminium operating with metal-based anodes
07/29/2004US20040144641 Metal-based anodes for aluminum production cells
07/29/2004DE202004008474U1 Crust breaking cylinder with a piston rod which breaks the crust by direct impact useful for breaking the crust of a melt, especially a molten aluminum melt
07/28/2004EP1440175A2 Superconductor materials and fabrication method using electrolytic reduction and infiltration
07/27/2004US6767444 Decomposing nitrides to crystalline metals; electrolysis in bath containing chlorides of same metals
07/22/2004DE10300444A1 Collar protecting connection between anode and suspension used in electrolytic cells manufacturing aluminum, comprises dense, fired carbonaceous material
07/22/2004DE10300443A1 Process for production of granular packing material for annealing of anodes for electrolytic production of aluminum involves comminuting anode residue material so that a mean grain size fraction is precipitated
07/22/2004DE10261745B3 Kathodensystem zur elektrolytischen Aluminiumgewinnung Cathode system for electrolytic aluminum production
07/21/2004EP1438246A1 System for distributing a pulverulent material with controlled gravimetric flow rates
07/21/2004CN2627009Y An anode protecting device
07/21/2004CN1514044A Method of producing aluminium zirconium alloy by hydrolysis
07/21/2004CN1514043A Method of producing aluminium, Seandium, zirconium multielement alloy by electrolysis
07/21/2004CN1514042A Production method of high purity aluminium scandium alloy
07/21/2004CN1514041A Method of non stopping production reparing aluminium electrolysis bath side wall
07/21/2004CN1513577A Regeneration method of medium for filtering asphalt fume
07/21/2004CN1158410C Method and device for automatically measuring distribution of anode current in Al electrolyzer
07/15/2004WO2004059039A1 Cathode systems for electrolytically obtaining aluminium
07/15/2004US20040134785 Advanced high-throughput electrorefiner design
07/15/2004CA2509839A1 Cathode systems for the electrolytic production of aluminum
07/14/2004EP1436446A2 Coating precursor and method for coating a substrate with a refractory layer
07/14/2004CN1511625A Inorganic nano porous film and its forming method
07/07/2004EP1434892A1 Chloride melt process for the separation and recovery of zinc
07/07/2004CN2623704Y Crust-breaking hammerhead
07/07/2004CN2623703Y Anode carbon block with gain groove
07/07/2004CN2623702Y Joining structure for jack pull-rod of anode lifting gearing
07/07/2004CN2623661Y Turntable device for truck conveying aluminium pad bag
07/06/2004US6758991 Stable inert anodes including a single-phase oxide of nickel and iron
07/06/2004CA2361610C Graphite cathode for electrolysis of aluminium
07/01/2004US20040124092 Inorganic nanoporous membranes and methods to form same
06/2004
06/30/2004EP1433861A2 Methods for producing a metallic alloy
06/30/2004CN1509347A Arrangement of anode for utilization in electrolysis cell
06/30/2004CN1509346A Electrolytic reduction of metal oxides
06/30/2004CN1508293A Coke particle roasting and diverting method for two-end-supply aluminium electrolytic tank and current diverter
06/29/2004CA2152048C Electrolysis cell for metal production
06/24/2004WO2004033761A3 Point feeder and use of point feeder
06/24/2004US20040118700 Isolation of lithium
06/24/2004US20040118246 Oxidation; forming metal oxide chemical intermediate ; reducing metal oxide to alloy
06/23/2004EP1431423A1 Method for manufacturing a lithium ion-conductor
06/23/2004EP1431422A1 Method for manufacturing lithium
06/17/2004WO2004050957A1 Electrolytic cell with improved feed device
06/17/2004WO2004050956A1 A method of conditioning iron alloy-based anodes for aluminium electrowinning cells
06/17/2004WO2004050955A2 Separation of metals
06/17/2004US20040115085 Method for producing a metallic alloy by dissolution, oxidation and chemical reduction
06/17/2004US20040112757 Forming molten aluminum by electrolysis of corresponding alumina ore
06/17/2004US20040111874 Preparation of a lithium ion conductor
06/17/2004CA2503902A1 Electrolytic cell with improved feed device
06/17/2004CA2503131A1 A method of conditioning iron alloy-based anodes for aluminium electrowinning cells
06/16/2004EP1428896A2 Method for producing a metallic alloy by dissolution, oxidation and chemical reduction
06/16/2004CN1505586A A method and a system for distribution of fluidisable materials
06/15/2004US6749373 Installation for feeding a plurality of loads/cells of aluminum melting furnaces with bulk material such as aluminum oxide
06/10/2004WO2004049467A2 Inert anode assembly
06/10/2004WO2004019430A3 Hydrogen/oxygen generating system with temperature control
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