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WO/1994/024336A1 |
Described is a method of preparing an aqueous alkali-metal peroxide solution in which the molar ratio of alkali metal to H2O2 lies between 0.5 and 2.5 in an electrochemical cell consisting of a porous oxygen diffusion cathode, a cation-e...
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WO/1994/021844A1 |
Electrolytic gas producer apparatus is provided wherein a water inlet has a pressure sensor (31) and solenoid valve (32) control passes water through a filter (33) by pump (34) to a reservoir (35). Cell chambers (13) maintain electrolyte...
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WO/1994/010359A1 |
An electrode (4, 10) and an electrolytic cell in which the electrode includes a plate (22, 106) having electrode material (82, 142) attached to at least one side thereof. A header opening (38, 40, 130, 136) is provided in the electrode p...
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WO/1994/005832A1 |
The present invention relates to a feeding system for electrolytic liquid in a pressurized electrolysis apparatus used for producing hydrogen, in which electrolysis apparatus electrolytic liquid is decomposed into hydrogen and oxygen in ...
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WO/1994/005831A1 |
The present invention relates to a procedure for controlling pressure in an electrolysis apparatus and to an electrolysis apparatus for producing hydrogen and oxygen. The electrolysis apparatus produces hydrogen and oxygen by decomposing...
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WO/1994/005830A1 |
In an electrolysis apparatus according to the invention for producing hydrogen by decomposing electrolysis liquid with the aid of electric current into hydrogen and oxygen in a pressurized electrolytic cell (11), an electrolytic cell (11...
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WO/1994/004719A1 |
In an electrolyzer system having metallic supply and discharge piping subjected to shunt currents, the improvement which comprises a removable target electrode in the section of said piping subjected to said shunt currents, said target e...
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WO/1994/004720A1 |
A process for removing ferrous ions from a solution comprising the steps of: (a) introducing the solution into an electrolytic cell having an anode and a cathode, (b) electrolytically oxidising ferrous ions in the presence of hydroxyl io...
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WO/1993/007985A1 |
A method for electrolytically obtaining a gas consists in feeding an electrolyzer with direct electric current with stabilized average value, which is determined operationally, automatically monitored during the process and maintained un...
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WO/1993/005204A1 |
A process of operating an electrochemical cell (10) with a particular catholyte flow pattern is disclosed wherein the cell (10) is angled from the horizontal and the catholyte is fed into a gap (58) in the cathode compartment between the...
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WO/1993/005202A1 |
A particular side frame (19) design for use in an electrochemical cell (10) with a catholyte flow pattern is disclosed wherein the cell (10) is angled from the horizontal and the catholyte is fed into a gap (58) in the cathode compartmen...
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WO/1993/000460A1 |
The present invention relates to an electrolyzer comprising at least one elementary cell equipped with a novel hydrogen-depolarized anode assembly and the relevant method to produce the parent base and acid of a salt by means of electrol...
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WO/1993/000459A1 |
The invention relates to an electrolytic cell and a capillary slit electrode for gas-developing or gas-consuming electrolytic processes and reactions, and an electrolysis process therefor. According to the invention, the capillary slit e...
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WO/1992/022681A1 |
The invention relates to an electrolysis cell for gas-emitting or gas dissipating electrolytic processes using at least one electrode having a capillary structure in its edge region (51, 52) on the reaction side such that the gas (6) and...
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WO/1992/015725A1 |
A box-type electrolytic vessel (1) comprises an electrolyte cooling chamber (11a) on at least either the electrolyte flow-in side or the flow-out side of a plurality of multi-electrode type unit electrolytic vessels (2a - 2f) arranged in...
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WO/1992/003374A1 |
Chlorine dioxide, useful as a pulp mill chemical, is produced without producing sodium sulfate effluent for disposal, by effecting reduction of chloric acid in an aqueous reaction medium in a reaction zone at a total acid normality of up...
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WO/1991/019022A1 |
A molded, one piece electrolytic cell head is provided which is obtained from a closed mold. The structure weighs more than 100 pounds and is comprised of bulk polymerized monomers having norbornene functionality. The structure provides ...
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WO/1991/019020A2 |
A process in which an electrochemical cell is used to simultaneously conduct a product synthesis and purification while also regenerating conductive material. The improved process is applied to an electrochemical synthesis which is condu...
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WO/1991/018830A1 |
The formation of sodium sulfate by-product in sulfuric acid-based chlorine dioxide generating processes is decreased and preferably eliminated entirely, by effecting electrochemical treatment of sodium ion-containing feed materials for t...
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WO/1991/017117A1 |
In the electrochemical regeneration of chromic-sulphuric acid, the sulphuric acid chromium-III-sulphate solution is fed into the electrolysis cells under pressure. This reduces production breakdowns. Fluctuations in the flow available ca...
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WO/1991/015017A1 |
Method and apparatus (11) for promoting electrolyte ionization of heavy water to thereby produce deuterium ions that are accelerated by an electric field and collected in the interior of an accumulator. Negative and positive electrodes (...
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WO/1991/007525A2 |
An electrolytic gas generating apparatus for producing a combustible mixture of hydrogen and oxygen by electrolysis of water is disclosed, for particular use in a gas welding apparatus. The generating apparatus comprises a d.c. power sup...
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WO/1990/008634A1 |
A harvester (10) for removing a substance deposited on the surface of a plate comprising a tool (12) having a strike end (16) and means for supporting the tool near the surface of the plate so the strike end of the tool strikingly engage...
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WO/1989/012705A1 |
A process control system for a filter press membrane electrochemical cell (10) is provided that utilizes a microcomputer for multi-tasking functions to concurrently execute four programs to control the cell operation and self-correct out...
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WO/1989/006290A1 |
The invention is a dampening device for use in a vertically disposed electrochemical cell and having: (a) a peripheral flange (1) which defines at least one electrode chamber (12), said peripheral flange (1) having an upper, substantiall...
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WO/1989/005873A1 |
The present invention discloses a method for identifying defective ion exchange membranes installed in monopolar and/or bipolar electrolyzers for chlor-alkali production. The method of the present invention comprises reducing the electri...
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WO/1987/007653A1 |
Method and plant for carrying out an electrolysis by seeping through at least one porous voluminal electrode in order to effect an electrochemical reaction. Said method is of the type comprising the electrical polarization of each volumi...
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WO/1986/004932A1 |
The solid compositions based on superoxides of the invention comprise a material inert vis-�-vis the anions O2- acting as a matrix with respect to said anions, and anions O2-, said compositions forming a material which is stable up to ...
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WO/1985/001072A1 |
Compartmentalized gas electrode, preferably for use in a chlor-alkali cell (10), containing at least one compartmented oxygen (air) cathode (17) wherein oxygen or air is contacted in liquid media with an electrode active layer so as to c...
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WO/1983/001464A1 |
The precipitation or deposition of particles from a solution in a cell (61) which an electric field is applied between an anode (65, 67, 68) and a cathode (66), typically an electrolysis cell for the co-precipitation of mixed oxides but ...
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WO/1983/000052A1 |
Methods of membrane regeneration of permselective ion-exchange membranes of a brine electrolysis cell are greatly improved when the cells are fed brine which contains little or no carbon dioxide, carbonate anions or bicarbonate anions du...
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WO/1980/002571A1 |
A method of operating a plurality of electrolytic diaphragm cells utilizing interruptable or off-peak electrical power varying from a higher electrical load level to a lesser electrical load level and subsequently returning to a selected...
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WO/1979/000613A1 |
A liquid-phase electrochemical synthesis is possible wherein a desired charged intermediate would normally be undesirably immediately electrolysed, by covalently trapping the charged intermediate onto particles of a sulphonated polystyre...
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WO/1979/000258A1 |
In the production of electrolytic manganese dioxide, the anodically deposted product is removed by cathodically polarizing the electrode, possibly assisted by impact or vibration. Typically, the current is reversed periodically when the ...
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JP3246942U |
【課題】電解槽から離れた距離にある電解液
の温度変化をより正確に検知することができ
、酸水素ガスを効率的に生成する温度管理を
可能とした酸水素ガス生成装置を提供す...
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JP7496480B2 |
An alkali water electrolytic cell comprising: a first frame that is provided with a conductive first partition wall and a first flange part having a first gasket contact surface, and that demarcates an anode chamber; a second frame provi...
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JP2024521622A |
A method for producing ultra-high purity hydrogen is provided, comprising heating water to desorb argon from the water and separating the argon-desorbed water into an oxygen stream and a hydrogen stream, the hydrogen stream comprising an...
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JP2024521700A |
The present invention relates to an electrochemical cell (1) comprising a first reaction chamber with a first electrode (104a), a second reaction chamber with a second electrode (104b), and a membrane-electrode assembly (106) arranged be...
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JP7494406B1 |
To operate a water electrolysis cell stack efficiently without wasting circulating water. [Solution] The water electrolysis system 10A includes a water electrolysis cell stack 12, a water separator 14 connected to the water electrolysis ...
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JP7494140B2 |
The main purpose of the present invention is to provide a carburizing gas supply system with which it is possible to reduce the carbon dioxide emission amount, to reduce the usage amount of new carburizing gas, and to supply an optimum g...
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JP2024073960A |
[Issue] CO2, H2The present invention provides an electrolysis device capable of reducing the potential difference between both electrodes required for producing a carbon dioxide reduction product. [Solution] The electrolysis device 1 inc...
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JP2024074025A |
A carbon compound obtained by an electrolytic reaction is reacted with hydrogen in an appropriate ratio. [Solution] The device 100 includes an electrolysis stack 10 that performs electrolysis using electricity generated from , a carbon d...
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JP2024073918A |
A water electrolysis system capable of improving the efficiency of the water electrolysis reaction is provided. The present invention comprises a water electrolysis apparatus for performing water electrolysis, a water supply device for s...
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JP2024074024A |
To shorten the start-up time of an electrolysis stack without deteriorating an AEM. [Solution] The carbon dioxide electrolysis device 100 includes a diaphragm 12 including an anion-exchange type solid polymer electrolyte membrane, an ele...
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JP7492281B2 |
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JP2024521040A |
Within the present disclosure is a method for increasing carbon monoxide (CO) production and recycling carbon dioxide when processing syngas using a carbon dioxide to carbon monoxide conversion unit such as a reverse water gas shift (RWG...
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JP7490006B2 |
A carbon dioxide treatment apparatus includes: a capturing device that captures carbon dioxide; and an electrochemical reaction unit that electrochemically reduces the carbon dioxide captured by the capturing device, and the electrochemi...
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JP2024520877A |
A containerized system for producing anhydrous ammonia from air, water, and a power source includes a containerized hydrogen production unit that produces hydrogen gas from a water source by a low temperature electrolyzer, a high tempera...
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JP2024070433A |
The present invention provides a water vapor generator, a water vapor supply system, a water vapor generating method, a method for utilizing water vapor, a method for using a water vapor generator, and a water vapor generating system tha...
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JP2024069688A |
[Problem] To provide a transportation system that can efficiently transport renewable energy from power generation facilities located in remote areas to hydrogen energy consumption areas with low environmental impact. The system comprise...
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