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7338921 |
MgB2 superconductor and method for preparation thereof
An electrode is steeped in a solution of Mg and B and a negative voltage is applied to the electrode so as to precipitate superconductive MgB 2 on the electrode. Superconductive MgB 2 is easily...
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7316765 |
Apparatus and method for molten salt electrolytic bath control
An apparatus for controlling a molten salt electrolyzer in which an electrolytic bath in a solid form as contained in the electrolyzer is melted to automatically attain a state allowing...
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7288180 |
Electric current control method and apparatus for use in gas generators
The invention provides a method and apparatus for current control in gas generators capable of generating a fluorine or fluoride gas by and in which the electrolysis can be maintained in an optimum...
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6607656 |
Use of recuperative heating for start-up of electrolytic cells with inert anodes
The present invention is directed to methods for preheating a molten salt electrolysis cell having inert anodes ( 24 ) using recuperative gas heating by combusting a first gas outside the cell...
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6599413 |
Method and apparatus for the treatment of a melt
A method and apparatus for adding a metal, for example sodium, to a melt of a material, for example aluminum, in a vessel, in which a molten compound of the metal or a solution of a compound of the...
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6540902 |
Direct electrochemical reduction of metal-oxides
A method of controlling the direct electrolytic reduction of a metal oxide or mixtures of metal oxides to the corresponding metal or metals. A non-consumable anode and a cathode and a salt...
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6383360 |
Electrode and method for use in an electrolysis cell
An electrode for use in an electrolysis cell for electrolyzing a reactant product into reactants. The electrode comprises an elongated box made of graphite having a first side and a second side...
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6332969 |
Inert electrode containing metal oxides, copper and noble metal
A cermet composite material is made by treating at an elevated temperature a mixture comprising a compound of iron and a compound of at least one other metal, together with an alloy or mixture of...
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6309529 |
Method for producing sputtering target material
The invention provides a method for producing a sputtering target material including electrolyzing a molten salt mixture containing a precious metal salt and a solvent salt, to thereby deposit a...
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6156183 |
Method of processing spent reactor fuel with magnesium alloy cladding
A spent reactor fuel processing method is provided for recovering at least any one of metallic nuclear fuel materials, in which the reactor fuel is composed by covering the metallic nuclear fuel...
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6071570 |
Electrodes of improved service life
A method of preparing electrodes is now described, which electrodes have enhanced adhesion of subsequently applied coatings combined with excellent coating service life. In the method, a substrate...
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5730855 |
Hoist apparatus and method for positioning anode in smelting furnace
An anode positioning hoist supported on an overhead crane used in a smelting apparatus including a cathode with an upwardly facing surface and an anode with a downwardly facing surface. The anode...
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5505823 |
Method for the electrolytic production of aluminum
A process for smelting aluminum from a mixture of a double salt potassium-aluminum sulfate 2KAl(SO 4 ) 2 and aluminum sulfate Al 2 (SO 4 ) 3 with potassium sulfate K 2 SO 4 having a weight...
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5194124 |
Molten salt electrolytic beneficiation of iron oxide-containing titaniferous ores to produce iron and high-grade TiO.sub.2
Disclosed is a process for beneficiating titaniferous material which contains iron oxide. The titaniferous material is mixed with a molten salt or mixture or molten salts in which iron oxide...
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5015343 |
Electrolytic cell and process for metal reduction
An improved electrolytic cell and process are provided wherein metals and metal alloys are formed from oxides or nitrides in a molten salt, without the evolution of halogen or halogen compounds,...
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4908113 |
Apparatus for the electrochemical separation of oxygen
An electrochemical separation of oxygen from oxygen containing gaseous mixtures, such as air, using an oxygen containing molten inorganic salt electrolyte retained in a porous matrix between two...
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4874482 |
Process for the electroytic production of non-metals
A process for the production of non-metallic element Nm or a mixture/compound containing Nm from a non-metal halide NmX n or a coplex halide A m NmX o by electrolysis in a cell comprising an...
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4859292 |
Method and apparatus for H.sub.2 S electrolysis
A method and apparatus for refining elemental sulphur and hydrogen gas from H 2 S is disclosed. More specifically, the present invention relates to a method and apparatus for vapor phase...
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4822460 |
Electrolytic cell and method of operation
An alkali metal salt solution is electrolyzed in an electrolytic cell with at least two electrode compartments adapted to being separated by a membrane. At least one electrode compartment contains...
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4804448 |
Apparatus for simultaneous generation of alkali metal species and oxygen gas
A process and apparatus for electrochemically separating alkali oxides to simultaneously generate oxygen gas and liquid alkali metals in a high temperature electrolytic cell is provided. The high...
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4801359 |
Solid compositions based on superoxides having high ionic conductivity, their method of manufacture, and their electrochemical applications
Solid compositions based on superoxides comprise a material inert with respect to O 2 - anions playing the role of matrix with regard to these anions, and O 2 - anions, these compositions forming...
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4762596 |
Process for removal of hydrogen halides or halogens from incinerator gas
A process for reducing the amount of halogens and halogen acids in high temperature combustion gases and through their removal, the formation of halogenated organics at lower temperatures, with the...
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4738759 |
Method for producing calcium or calcium alloys and silicon of high purity
The method causes the deposition of calcium or calcium alloy to a cathode by electrolysis of a calcium derivative in a bath of molten salts based on calcium halides. The calcium derivative is in...
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4686019 |
Dissolution of PuO.sub.2 or NpO.sub.2 using electrolytically regenerated reagents
A process for dissolving PuO 2 , NpO 2 , or fuel containing PuO 2 and/or NpO 2 in acid, particularly nitric acid by electrolytically continuously maintaining an oxidizing regenerable reagent. The...
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4627897 |
Process for the electrolysis of liquid electrolytes using film flow techniques
This process, in which gas bubbles are formed in the electrolyte, is carried out in electrolytic cells which are non-partitioned or partitioned by at least one separator and in which at least one...
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4620905 |
Electrolytic production of metals using a resistant anode
An electrolytic process comprising evolving oxygen on an anode in a molten salt, the anode comprising an alloy comprising a first metal and a second metal, both metals forming oxides, the oxide of...
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4569733 |
Method of treating rock to recover metal, oxygen, and water
Rock is melted between electrodes and the resulting melt is subjected to electrolysis to recover oxygen and selected metals therefrom and to produce a melt of a unique composition so that it can be...
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4511440 |
Process for the electrolytic production of fluorine and novel cell therefor
A cell and process is provided for the production of fluorine comprising electrolyzing a liquid mixture of fluorides of alkali metal, ammonium and hydrogen fluoride. The cell anode comprises a...
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4496373 |
Diffusion membrane and process for separating hydrogen from gas mixture
For separation of hydrogen and its isotopes by diffusion through a membrane irtually impermeable to other gases, a non-porous hydrogen-permeable metallic membrane is provided on the gas access side...
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4478693 |
Inert electrode compositions
An inert type electrode composition suitable for use in the electrolytic production of metals such as aluminum is disclosed. The aluminum is produced from an aluminum-containing material dissolved...
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4400247 |
Method of producing metals by cathodic dissolution of their compounds
Metals and metalloids are produced by cathodically dissolving compounds thereof in electrolytic cells. These cells have one or more heterogenous bipolar electrodes in series, with a terminal...
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4399008 |
Composition for inert electrodes
Disclosed is a composition suitable for fabricating into an inert electrode for use in the electrolytic production of metal from a metal compound dissolved in a molten salt. The electrode comprises...
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4338167 |
Method for increasing electrolytic efficiency of a fusion electrolysis with anodic oxygen generation
A method for increasing the current yield or electrolytic efficiency of a sion electrolysis, especially water electrolysis, with which an anodic oxygen separation occurs. Lithium ions are added to...
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4297174 |
Pyroelectrochemical process for reprocessing irradiated nuclear fuels
In a method for reprocessing irradiated nuclear fuels, the fuel to be reprocessed is dissolved in a fused-salt bath while absolute sulfuric acid is added dropwise to said bath, plutonium sulfate is...
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4288302 |
Method for electrowinning metal
Novel dimensionally stable electrodes constituted by a film forming metallic material alloyed with at least one member of the group consisting of metal belonging to Groups VIB, VIIB, VIII, IIB, IB,...
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4256549 |
Hybrid process for producing hydrogen
A method for producing hydrogen according to a hybrid process. A low oxide, hich is formed at a high temperature from a higher oxide accompanied by splitting-off of oxygen, is introduced into an...
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4225401 |
Method for generating hydrogen and oxygen
Method and apparatus for generating hydrogen and oxygen. Water is electroically decomposed in an electrolysis cell having a molten electrolyte which contains alkali ions and has a high OH - ion...
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4201635 |
Method and apparatus for carrying out an electrolysis process
An electrolysis process in which the source of the voltage difference between the anode and the cathode of the electrolysis cell is an electromotive force. The electromotive force is produced in...
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4169884 |
Hydrogen production from water using copper and barium hydroxide
A process for producing hydrogen comprises the step of reacting metallic Cu with Ba(OH) 2 in the presence of steam to produce hydrogen and BaCu 2 O 2 . The BaCu 2 O 2 is reacted with H 2 O to...
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4146438 |
Sintered electrodes with electrocatalytic coating
Sintered electrodes for electrolytic processes comprising a self-sustaining body or matrix of sintered powders of an oxycompound of at least one metal selected from the group consisting of...
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3988223 |
Unplugging of electrolysis diaphragms
The diaphragm of a chlor-alkali cell has its useful life prolonged by the unplugging thereof. Unplugging is achieved by shifting the pH gradient in the diaphragm toward the catholyte side....
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3957597 |
Process for recovering tritium from molten lithium metal
Lithium tritide (LiT) is extracted from molten lithium metal that has been exposed to neutron irradiation for breeding tritium within a thermonuclear or fission reactor. The extraction is performed...
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3655537 |
PROCESS FOR SEPARATING GASES
A process for removing a gaseous constituent from a gaseous mixture involving contacting a layer of electrolyte with the gaseous mixture and then electrolytically decomposing the gaseous...
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3544374 |
FUEL CELL WITH D.C. POTENTIAL MEANS AND METHOD OF OPERATING SAME
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3531386 |
ELECTROCHEMICAL PROCESS FOR RECOVERING SULFUR VALUES
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3479261 |
ELECTROCHEMICAL METHOD FOR RECOVERY OF SULFUR OXIDES
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3463709 |
ELECTROLYSIS UTILIZING THIN FILM ELECTROLYTES
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3440153 |
ELECTROLYTIC METHOD OF PRODUCING HIGHLY ORIENTED CRYSTALLINE STRUCTURES
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3257293 |
Process and apparatus for controlling a counter-current electromigration installation
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3235474 |
Electrolytic method of producing nitrogen trifluoride
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