| Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924) |
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| 10/07/2008 | US7431812 Surface oxidised nickel-iron metal anodes for aluminium production |
| 10/07/2008 | US7431810 Apparatus for controlling flow in an electrodeposition process |
| 10/02/2008 | US20080237058 Method for Producing Aluminum and Method for Producing a Gas-Tight Electrode for Carbothermic Reduction Furnace |
| 10/01/2008 | EP1974075A2 Cathodes for aluminium electrolysis cell with expanded graphite lining |
| 10/01/2008 | CN201125275Y Corrosion resistance and antioxidation insulated sealing device for fused salt electrolysis |
| 10/01/2008 | CN201125274Y Duplex metal crust breaking chisel for aluminum cell |
| 10/01/2008 | CN201125273Y Aluminum cell fluoride salt constant volume blanking device |
| 10/01/2008 | CN201125272Y Electrolytic tank anode position limiting pulse counting device |
| 10/01/2008 | CN201125271Y Steel claw heads on two ends of crossbeam with anode steel claws of vertical seam welding type composite aluminum and steel structure |
| 10/01/2008 | CN201125270Y Anode assembling guide-bar unit correcting bracket |
| 10/01/2008 | CN201125269Y Structure for preventing deform of large-sized aluminum cell case |
| 10/01/2008 | CN101275251A Method for preparing titanium alloy by fused salt electrolysis |
| 10/01/2008 | CN101275250A Method for detecting damage of cathode carbon block on bottom of aluminum cell |
| 10/01/2008 | CN101275249A Method for real-time detection of concentration of aluminum oxide in aluminum cell |
| 10/01/2008 | CN101275248A Method for controlling materials balance of electrolytic cell |
| 10/01/2008 | CN101275247A Method for controlling energetic balance of aluminum cell |
| 10/01/2008 | CN101275246A Fault real-time detection method for aluminum cell supplying system |
| 10/01/2008 | CN101275245A Residual anode automatic pressure-disengaging method and device for double anode carbon block |
| 10/01/2008 | CN101275244A Cathode impregnating device |
| 10/01/2008 | CN101275243A Cleaning method and device for residual anodolyte |
| 10/01/2008 | CN101274728A Connecting apparatus for catenary and aluminum guide stem |
| 10/01/2008 | CN101274446A Multi-beater head electric tank tamping tool |
| 09/30/2008 | US7429314 Device for controlling the travel distance of a chisel in a feeding system for an aluminium production electrolytic cell |
| 09/25/2008 | WO2008113496A1 Flue gas cooling and cleaning system |
| 09/25/2008 | WO2008002834A3 Systems and methods useful in controlling operations of metal electrolysis cells |
| 09/24/2008 | EP1971708A2 Methods of recovering and purifying secondary aluminum |
| 09/24/2008 | CN201121213Y Horizontal bar type fluidization feed divider |
| 09/24/2008 | CN201121212Y Transportation and uniform feed divider for aluminium electrolysis flue gas dry purification |
| 09/24/2008 | CN101270485A Control method for electroanalysis of degree of superheat |
| 09/24/2008 | CN101270484A Inside lining building method for aluminium electrolysis two-man ladle |
| 09/24/2008 | CN101270483A Mending and ramming method for after reigniting electrolytic tank and clearing tank |
| 09/24/2008 | CN101270482A Starting method for aluminum cell |
| 09/24/2008 | CN101270481A Reignition method for base aluminum groove |
| 09/24/2008 | CN100420617C Aluminum oxide storage bunker bottom discharging structure and discharging method |
| 09/23/2008 | CA2341233C Multi-layer non-carbon metal-based anodes for aluminium production cells |
| 09/17/2008 | CN101265600A Aluminum electrolysis production cell controlling machine data replenishing system |
| 09/17/2008 | CN101265599A Aluminum electrolysis digitalized production management control system |
| 09/17/2008 | CN101265598A Aluminum electrolysis cell controlling machine voltage swing control method and control system |
| 09/17/2008 | CN101265597A Aluminum electrolysis control system chip version recording system |
| 09/17/2008 | CN101265596A Aluminum electrolysis control system communication quality rapid debugging system |
| 09/17/2008 | CN101265595A Aluminum electrolysis control data accounting logging system |
| 09/17/2008 | CN101265594A Aluminum cell manual operation switch detection system |
| 09/17/2008 | CN101265593A Electric tank working control device |
| 09/17/2008 | CN101265592A Over voltage and under voltage protection device in aluminum electrolysis |
| 09/17/2008 | CN101265591A System and method for pneumatic conveying of fluoride salt to aluminum cell |
| 09/17/2008 | CN100419127C Alumina quantity uniform distribution method and device in fume dry purification |
| 09/16/2008 | US7425284 Inert anode for the production of aluminium by fused bath electrolysis and method of making this anode |
| 09/12/2008 | WO2008106849A1 Electrolytic cells for aluminum having cathode carbon blocks with heterotypic structure |
| 09/12/2008 | WO2007141412A3 Method of measuring, on the fly, the height of an electrolysis anode |
| 09/11/2008 | US20080217184 Calcium is dissolved in calcium chloride melt electrolyte ; supplying titanium chloride to tank |
| 09/10/2008 | CN201111513Y Slag separation stove |
| 09/10/2008 | CN101260547A Method for preparing AB5 type hydrogen-storage alloy directly from metal oxide mixture |
| 09/10/2008 | CN101260546A Aluminum electrolysis prebake anode roasting 24 hours period production technique |
| 09/10/2008 | CN101260545A Energy-saving aluminum electrolysis bath |
| 09/10/2008 | CN101260544A Method and device for reclaiming residual heat emitted by aluminum electrolysis bath |
| 09/10/2008 | CN101260543A Method for adjusting aluminum electrolysis production technique |
| 09/10/2008 | CN101260542A Low polar distance energy-saving production method for aluminum electrolysis bath |
| 09/10/2008 | CN101260541A Fast voltage-reducing energy-saving starting method for aluminum electrolysis bath |
| 09/10/2008 | CN101260481A Method for producing high-purity lead |
| 09/09/2008 | US7422675 Process for changing anodes in an electrolytic aluminum production cell including adjustment of the position of the anode and device for implementing the process |
| 09/09/2008 | US7422624 Method for operating one or more electrolysiscells for production of aluminium |
| 09/04/2008 | WO2007116320A3 System and process for collecting effluents from an electrolytic cell |
| 09/03/2008 | CN201109799Y Forced cooling system for aluminum electrolytic tank |
| 09/03/2008 | CN101255577A Metal ceramic inert anode for molten salt electrolysis and preparation method thereof |
| 09/03/2008 | CN101255576A Method for improving efficiency of zirconium electroextraction by molten salt electrolysis |
| 09/03/2008 | CN101255575A Electrolyte for aluminium electrolysis |
| 09/03/2008 | CN101255574A Potassium salt system electrolyte for aluminium electrolysis |
| 09/03/2008 | CN101255573A Method for avoiding adhesion and deformation when baking charcoal anode |
| 09/03/2008 | CN101255572A Method for making charcoal anode of aluminium by employing calcined anthracite |
| 09/03/2008 | CN101255571A Treatment method for preparing pre-baking charcoal anode petroleum coke used for aluminium electrolysis |
| 09/03/2008 | CN101255570A Inert anode material for aluminium electrolysis and method for manufacturing same |
| 09/03/2008 | CN101255569A Nanao metal ceramic inert anode material for aluminium electrolysis and preparation method thereof |
| 09/03/2008 | CN101255568A Particle gradation functional gradient TiB2/C composite cathode for aluminium electrolysis and preparation method thereof |
| 09/03/2008 | CN101255567A Method for optimizing aluminium electrolysis slot field |
| 09/03/2008 | CN101255566A Method for reclaiming electrolyte in carbon dross of aluminium electrolysis |
| 09/03/2008 | CN101255565A aluminum cell graphite blanket baking method |
| 09/03/2008 | CN101255564A Drying method for ring-form calcining furnace |
| 09/03/2008 | CN101255563A Method for testing aluminum cell anode voltage drop |
| 09/03/2008 | CN100415941C Preparation method of multicomponent microalloying aluminium alloy containing titanium, zirconium and scandium |
| 09/03/2008 | CN100415940C Pure titanium production method from titanium monoxide/titanium carbide soluble solid anode electrolysis |
| 09/03/2008 | CN100415939C Cathode impregnation method and apparatus |
| 09/03/2008 | CN100415938C Lining structure of aluminium electrolytic bath |
| 09/03/2008 | CN100415907C Producing metallic articles by reduction of nonmetallic precursor compounds and melting |
| 08/28/2008 | WO2008102520A1 Apparatus for producing metal by molten salt electrolysis, and process for producing metal using the apparatus |
| 08/28/2008 | WO2008101283A1 Electrochemical reduction of metal oxides |
| 08/28/2008 | US20080202939 Process For the Electrolysis of Aluminiumsulfide |
| 08/27/2008 | EP1960569A2 Method for removing anode residues attached to spent anodes coming from melt bath electrolysis potlines |
| 08/27/2008 | CN101250724A Method for producing one-dipping two-baking anode carbon block |
| 08/27/2008 | CN101250723A Carbon element anode oxidation resistance layer for aluminium electrolysis, preparation method and coating method thereof |
| 08/27/2008 | CN101250722A Carbon element anode oxidation resistance layer for aluminium electrolysis and coating method thereof |
| 08/27/2008 | CN101249585A Electrified welding method of aluminum cell cathode steel bar |
| 08/21/2008 | WO2008099748A1 Method for recovering/purifying platinum group metal by molten salt electrolysis |
| 08/21/2008 | WO2008098489A1 An aluminum electrolytic cell |
| 08/21/2008 | WO2008098488A1 A side-end heat-preservation structure for aluminum electrolytic cell |
| 08/20/2008 | EP1957683A2 Thermal and electrochemical process for metal production |
| 08/20/2008 | CN201103576Y Yoke four-vat steep-lifting mechanism for anode transport vehicle |
| 08/20/2008 | CN201102028Y Aluminum absorbing tube descaling machine |
| 08/20/2008 | CN101248218A Module busbar arrangement for powerful aluminum electrolytic cells |
| 08/20/2008 | CN101248217A Method for electrolysis of molten salt, electrolytic cell, and process for producing ti using said method |
| 08/20/2008 | CN101245477A Method and apparatus for automatically filling material for anode block stick hole |