Patents for C25C 3 - Electrolytic production, recovery or refining of metals by electrolysis of melts (10,924)
11/1986
11/11/1986US4622111 Production of aluminum
11/11/1986US4621674 Means of anchorage of anode pins or stubs in a carbon anode
11/05/1986CN86103165A Process for accurately maintaining a low alumina content in an electrolytic smelting cell for the production of aluminium
11/05/1986CN85108786A Process for electrolysis of rare-earth metals or their alloys and apparatus therefor
11/04/1986US4620905 Electrolytic reduction of oxides or salts
10/1986
10/29/1986CN85103452A Process and apparatus of auto-reinforcing suction for alumminum electrolysing tanks
10/28/1986US4619750 Cathode pot for an aluminum electrolytic cell
10/22/1986EP0198775A1 Process for the continuous monitoring of the dissolved metal concentration in a molten salts bath and its use in the continuous feeding of these metal salts to an electrolysis cell
10/22/1986CN85205776U Tib2 composite layers-type cathode for ai electrolysis
10/15/1986EP0197887A1 Protector sleeve
10/15/1986EP0197867A1 Process for improving the purity of transition metals obtained by electrolysis of their halides in molten salts baths
10/15/1986EP0135516B1 Control method and device for a feeding or crust breaking device
10/14/1986US4617100 Non-conductive plugger foot
10/14/1986US4617098 Continuous electrolysis of lithium chloride into lithium metal
10/08/1986EP0197004A1 Decentralized automatic operation control of an aluminium plant
10/08/1986EP0197003A1 Electrolysis vat for the production of aluminium
09/1986
09/30/1986US4614569 Protective coating anode with fluorine containing cerium oxycompound
09/30/1986CA1212078A1 Anode positioning system
09/24/1986EP0195143A1 Controlling aluminium reduction cell operation
09/24/1986EP0195142A1 Controlling ALF 3 addition to Al reduction cell electrolyte
09/24/1986CN85102460A Electrolysis-crystalization method for producing high purity gallium
09/23/1986US4613418 Antideposit
09/23/1986US4613414 Method for magnesium production
09/23/1986US4613375 Carbon paste and process for its manufacture
09/17/1986EP0194979A1 Electrolytic cell for a molten salt comprising alkali- or alkaline earth metal chloride
09/16/1986US4612151 Method for continuous production of elongated carbon bodies
09/16/1986US4612105 Carbonaceous anode with partially constricted round bars intended for cells for the production of aluminium by electrolysis
09/16/1986US4612103 Aluminium reduction cells
09/16/1986CA1211474A1 Reaction sintered oxide-boride
09/09/1986US4610726 Dense cermets containing fine grained ceramics and their manufacture
09/09/1986CA1211075A2 Electrolytic cell with conductor through anodic body of metal compound and reducing agent
09/03/1986EP0193491A1 Electrolytic cell
09/02/1986US4609249 Electrically conductive connection for an electrode
08/1986
08/28/1986WO1986005008A1 Method of controlling the alumina feed into reduction cells for producing aluminium
08/28/1986WO1986004839A1 Powered vehicle for operation of ladles, in particular for tapping aluminium
08/27/1986EP0192603A1 Method of producing aluminum, aluminum production cell and anode for aluminum electrolysis
08/27/1986EP0192602A1 Low temperature alumina electrolysis
08/27/1986EP0191954A1 Anode block remnant breaker
08/26/1986US4608135 Hall cell
08/26/1986US4608134 Hall cell with inert liner
08/19/1986US4606257 Electropneumatic drive system for crust breaking devices and process for operating the same
08/12/1986US4605634 Particle size of reactants critical for controlling process and product properties; cutting tools;
08/12/1986US4605633 Metal nitrides, silicides, carbides, borides, sulfides
08/12/1986US4605481 Modular cathodic block and cathode having a low voltage drop for Hall-Heroult electrolysis tanks
08/12/1986CA1209593A1 Refractory products made up of residual carbon bounded grains and powdered metallic silicon, and their manufacture
08/12/1986CA1209526A1 Cathode for a fused salt electrolytic cell used to produce aluminum
08/06/1986EP0190097A1 Process for working up waste products from the production of carbon electrodes, and adsorbant therefor
08/06/1986EP0190082A1 Distribution device with a controlled flow for fluidizable bulk material
08/06/1986CN85102283A Method for making nd-ferro master alloy
08/05/1986US4604178 Anode
08/05/1986US4604177 Producing magnesium from molten chloride, surface level control, bipolar electrodes
07/1986
07/30/1986EP0188643A1 Method of reducing the loss of carbon from anodes when producing aluminium by electrolytic smelting, and an inert anode top for performing the method
07/29/1986US4602990 Low energy aluminum reduction cell with induced bath flow
07/29/1986CA1208598A1 Aluminum cell with gas conduit through anode with upper unbaked layer
07/22/1986US4601805 Preparation of lead or copper
07/22/1986US4601804 Cell for electrolytic purification of aluminum
07/22/1986US4601798 Continuous preparation of silane, SiH4
07/16/1986EP0187730A2 Fluidized-bed device for continuously separating two mixed solid phases
07/15/1986US4600481 Aluminum production cell components
07/09/1986EP0186734A2 Method of producing carbonaceous bodies
07/09/1986EP0122925B1 Closed device with potential fluidization for conveying powdery materials
07/08/1986US4599320 Transition metal boride
07/02/1986EP0185822A1 Busbar arrangement for aluminium electrolytic cells
07/02/1986CN86100066A Apparatus for disposing fluidizable powder material with an adjusted speed
07/02/1986CN86100050A Fluidised-bed apparatus for continuous separating mixture of two kinds of solid
07/02/1986CN85100748A Electrolysis tank for continuous production of nd-metal and nd-fe alloy
07/01/1986US4597840 Process for the continuous production of aluminum by the carbochlorination of alumina and igneous electrolysis of the chloride obtained
07/01/1986US4597839 Method and apparatus for production of a metal from metallic oxide ore
06/1986
06/24/1986US4596637 Apparatus and method for electrolysis and float
06/17/1986US4595545 Mixing carbon with solution of alkoxides of titanium and boron, hydrolyzing, gelling to produce glass or oxide gel, grinding, pressing, heating
06/17/1986US4595475 Solid cathode in a fused salt reduction cell
06/17/1986US4595466 Metal electrolysis using a low temperature bath
06/11/1986EP0184515A1 Process for the electrolytic preparation of rare-earth elements or their alloys, and apparatus for carrying out the process
06/03/1986US4592882 Method of making aluminum-resistant titanium diboride articles
06/03/1986US4592821 Electrolysis tank with a current strength of greater than 250,000 amperes for the production of aluminum by means of the Hall-Heroult process
06/03/1986US4592820 Reduction of alumina in molten fluoride electrolyte
06/03/1986US4592813 Full pot anode change in the production of aluminum
06/03/1986US4592812 Method and apparatus for electrolytic reduction of alumina
05/1986
05/28/1986EP0182014A1 Process for continuously treating material for electrodes and device for performing the process
05/27/1986US4591419 Borosilicate glass to prevent degradation of insulation
05/22/1986WO1986002912A1 A particulate solid feeding device
05/21/1986EP0181544A1 Apparatus for molten salt electrolysis
05/20/1986US4589967 Lining for an electrolysis cell for the production of aluminum
05/20/1986CA1204704A1 Diffusion welded nonconsumable electrode assembly
05/13/1986US4588485 Process for the production of a metal by electrolyzing halides in a molten salt bath, comprising a simultaneous and continuous double deposit
05/13/1986CA1204409A1 Apparatus for cleaning components used in electrolytic smelting
05/10/1986CN85106577A Aluminium electrolyte containing lithium fluoride and magnesium fluoride in electrolytic aluminnm
05/06/1986CA1204076A1 Process and device for the continuous preparation of silane
04/1986
04/30/1986EP0179115A1 Method and device for the automatic oversuction on electrolysis containers for the production of aluminum.
04/30/1986EP0179055A1 Closed device with potential fluidization for horizontally conveying pulverulent materials in a dense bed.
04/29/1986US4585618 Electrowinning aluminum
04/29/1986US4585538 Method and apparatus of cleaning residual anodes employed for fused-salt electrolysis
04/23/1986EP0179040A2 A method for the purification of gases containing mercury and simultaneous recovery of the mercury in metallic form
04/23/1986EP0178766A1 Anode clamp
04/22/1986US4584172 Reaction of metal and metal compound to form network of metal oxide and metal alloy
04/22/1986US4584068 Electron pair in refractory lined vessel with covering, double botton, heat exchanging zones
04/22/1986CA1203614A1 Sonic resonator control and method for determining component concentration in multiple component liquid
04/22/1986CA1203498A1 Device for controlled batch feeding of a fluidizible particulate material and process for its operation
04/15/1986US4582585 Inert electrode composition having agent for controlling oxide growth on electrode made therefrom
04/15/1986US4582584 Electrolytic cells