WO2010122785A1 - Electrolyseur a membrane echangeuse d'ions - Google Patents

Electrolyseur a membrane echangeuse d'ions Download PDF

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Publication number
WO2010122785A1
WO2010122785A1 PCT/JP2010/002854 JP2010002854W WO2010122785A1 WO 2010122785 A1 WO2010122785 A1 WO 2010122785A1 JP 2010002854 W JP2010002854 W JP 2010002854W WO 2010122785 A1 WO2010122785 A1 WO 2010122785A1
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Prior art keywords
electrode
exchange membrane
flat spring
electrolytic cell
ion exchange
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Application number
PCT/JP2010/002854
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English (en)
Japanese (ja)
Inventor
隆 吉次
貞廣文夫
阿部祐紀
児玉義之
浅海清人
井口幸徳
Original Assignee
東ソー株式会社
クロリンエンジニアズ株式会社
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Publication of WO2010122785A1 publication Critical patent/WO2010122785A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/70—Assemblies comprising two or more cells
    • C25B9/73—Assemblies comprising two or more cells of the filter-press type

Definitions

  • the present invention relates to an ion exchange membrane method electrolytic cell used for electrolysis of saline solution.
  • the power consumption required for electrolysis using an ion exchange membrane electrolytic cell depends on various factors, but the electrode spacing between the anode and the cathode greatly affects the cell voltage as well as the characteristics of the electrode and ion exchange membrane. Effect. In view of this, it has been practiced to reduce the energy consumption required for electrolysis by reducing the electrode interval and decreasing the electrolytic cell voltage.
  • a large electrolytic cell having an electrode area of several square meters is used. In such a large electrolytic cell, an anode, an ion exchange membrane, and a cathode are used.
  • both electrodes are brought into close contact with the ion exchange membrane to reduce the electrode interval. Therefore, it was difficult to maintain the predetermined value.
  • an electrolytic cell in which a spring member is used as at least one of the constituent members of the anode and the cathode and the electrode interval can be adjusted.
  • an ion exchange membrane electrolytic cell in which the distance between the electrodes is set to a predetermined size by holding the electrodes using a material having a spring property, even if a pressure abnormality occurs in the electrode chamber at the start of operation, etc.
  • an ion exchange membrane method electrolytic cell provided with energizing means in which a spring-like member holding an electrode does not lose its properties as a spring material due to plastic deformation (see, for example, Patent Document 1).
  • Patent Document 2 A zero-gap electrolytic cell in which a cathode is brought into contact with an ion exchange membrane by using a mat-like material overlaid with a metal wire fabric as an elastic body in place of the spring member has been proposed (for example, Patent Document 2). And Patent Document 3).
  • the present invention is an ion exchange membrane electrolytic cell in which an electrode is held by forming an electrical connection to one electrode by a spring-like member in order to reduce the electrode interval, and the electrode interval with the counter electrode is reduced,
  • An object of the present invention is to provide an ion exchange membrane electrolytic cell capable of stable operation at a lower electrolytic cell voltage.
  • an electrode having a small thickness or a small wire diameter is held by a spring-like holding body, and the electrode surface is also pressed by the spring-like member when pressed from the back side with the counter electrode. It is an object of the present invention to provide an ion-exchange membrane electrolytic cell capable of stable operation without causing unevenness in the surface.
  • a flat spring-like body formed integrally with a flat spring-like body holding member provided in the electrode chamber and in contact with the flat-plate spring-like body extending in the electrode direction and in contact with the electrode is energized.
  • a flat spring shape with a bent portion at a position extending on the same plane as the flat spring holding member from the base of the spring holding member, and a portion extending in the electrode direction contacting the tip side.
  • the electrode that contacts the body has a step width of 0.1 mm to 0.5 mm, a minor axis of 0.5 mm to 3.0 mm, a major axis of 1.0 mm to 6.0 mm, and a plate thickness of 0.1 mm to 0 mm.
  • An expanded metal electrode that is 5 mm or less is mounted, and the area represented by the product of the mesh length of the expanded metal electrode in the short direction and the length of the mesh in the long direction is defined as a flat spring-like body and an electrode.
  • the value divided by the number of contact parts with the contact part is 0 01cm 2 ⁇ 10cm 2, an ion exchange membrane method electrolysis bath the reaction force was 0.1 N ⁇ 4.0 N per electrode contact portion 1 point.
  • the area of one hole of the expanded metal electrode is approximated by (minor axis ⁇ major axis) / 2, and is defined as 0.5 to 18 mm 2 according to the minor axis and the major axis.
  • the area of one hole of the electrode is An area within the range of 1.0 to 10 mm 2 is preferred.
  • the aperture ratio of the electrode is preferably 45 to 60%.
  • the flat spring-like body contacts the electrode at a position extending on the same plane as the flat-plate spring-like body holding member provided at a distance from the coupling portion of the flat spring-like body holding member.
  • the said ion exchange membrane method electrolytic cell which has a part extended to the opposite side to the side, and also has a part extended in the said electrode direction which contacts the front end side.
  • the ion exchange membrane method electrolytic cell has a surface pressure of 10 Pa to 10 kPa on the ion exchange membrane of the electrode before the electrolytic solution is filled in the ion exchange membrane method electrolytic cell.
  • the flat spring-like body has the above-mentioned ion in which a concave portion in a direction perpendicular to the length direction of the flat spring-like body is formed between the base portion and the bent portion.
  • This is an exchange membrane method electrolytic cell.
  • the plate spring-like body holding member is the ion exchange membrane method electrolytic cell which is joined to the electrode chamber partition wall of the bipolar electrolytic cell to form a fixed and conductive connection.
  • the ion-exchange membrane electrolytic cell of the present invention is an expanded metal electrode that is held by a plurality of spring-like bodies from the side opposite to the side facing the counter electrode, and an electrical connection is formed by the spring-like bodies
  • the number of contact portions with the electrode by the spring-like body, and the pressure at each contact portion are of a specific size.
  • FIG. 1 is a view for explaining an embodiment of the ion exchange membrane electrolytic cell of the present invention.
  • FIG. 1A is a diagram for explaining a cross section cut along a plane perpendicular to an anode and a cathode of an ion exchange membrane method electrolytic cell in which a plurality of electrolytic cell units are stacked
  • FIG. 1B is a view from the cathode side of the electrolytic cell unit.
  • FIG. 1C is a cross-sectional view taken along line AA ′ in FIG. 1B.
  • FIG. 2 is a diagram for explaining an example of a flat spring-like body of the present invention.
  • FIG. 1A is a diagram for explaining a cross section cut along a plane perpendicular to an anode and a cathode of an ion exchange membrane method electrolytic cell in which a plurality of electrolytic cell units are stacked
  • FIG. 1B is a view from the cathode side of the electrolytic cell unit.
  • FIG. 2A is a perspective view of a flat spring-like body holding member to which a flat spring-like body is attached
  • FIG. 2B is a diagram illustrating a side surface of the flat spring-like body.
  • FIG. 3 is a diagram for explaining another example of the flat spring-like body of the present invention.
  • FIG. 3A is a perspective view of a flat spring-like body holding member to which a flat spring-like body is attached
  • FIG. 3B is a diagram illustrating a side surface of the flat spring-like body.
  • a flat plate spring-like body formed integrally with a flat spring-like body holding member provided in the electrode chamber and in contact with the flat plate spring-like body extending in the electrode direction is energized.
  • a portion extending on the same plane as the flat spring-shaped member holding member from the base of the flat-shaped member holding member has a portion extending to the opposite side of the electrode with which the flat spring-shaped member is in contact, and further on the tip side in the electrode direction
  • the electrode is in contact with the electrode and is in contact with the plate.
  • the electrode that contacts the flat spring-like body is highly stable and stable by an ion-exchange membrane electrolytic cell that uses an electrode with a specific shape and size. An ion exchange membrane electrolytic cell capable of being operated is provided.
  • ion exchange membrane electrolytic cells are required to have high rigidity, and therefore, each component member generally requires high rigidity.
  • the present invention dares to maintain an electrode interval stably even when an expanded metal electrode having a small thickness, step size, etc., and a small rigidity is used.
  • Ion-exchange membrane electrolysis that enables stable electrolysis at a low electrolysis voltage without being affected by the flatness around the contact area with the body or the influence of bubbles generated by electrolysis or the flow of electrolyte It has been found that the tank can be provided.
  • FIG. 1 is a diagram illustrating an embodiment of an ion exchange membrane electrolytic cell according to the present invention
  • FIG. 1A is a diagram illustrating a cross section of an ion exchange membrane electrolytic cell in which a plurality of electrolytic cell units are stacked.
  • FIG. 1B is a plan view seen from the cathode side of the electrolytic cell unit
  • FIG. 1C is a cross-sectional view taken along line AA ′ in FIG. 1B.
  • the ion exchange membrane method electrolytic cell 1 is assembled by laminating a predetermined number of bipolar electrolytic cell units 2 via an ion exchange membrane 3.
  • an anode 5 is disposed at a distance from the anode chamber partition wall 4, and an anode chamber 6 is formed.
  • a cathode 8 is disposed at a distance from the cathode chamber partition wall 7, and a cathode chamber 9 is formed between the cathode chamber partition wall 7 and the ion exchange membrane 3.
  • an anode chamber side gas / liquid separation means 40 and a cathode chamber side gas / liquid separation means 41 are provided above the anode chamber 6 and the cathode chamber 9, respectively.
  • an anolyte supply port 31 is attached to the anode chamber 6 of the electrolytic cell unit 2, and the anolyte and gas having a reduced concentration are discharged to the anode chamber side gas-liquid separation means 40 by overflow, that is, overflow.
  • An anolyte discharge port 32 is attached.
  • the cathode chamber 9 of the electrolytic cell unit 2 is provided with a catholyte supply port 33, and the cathode chamber-side gas-liquid separation means 41 discharges the catholyte and gas having a reduced concentration by overflow, that is, overflow.
  • a catholyte outlet 34 is attached.
  • the gas-liquid mixed fluid containing the gas generated at the anode undergoes gas-liquid separation at the upper portion of the anode chamber, and a part of the electrolytic solution flows out from the anolyte discharge port 32. Then, a part thereof descends in the anode chamber and is mixed with the anolyte supplied from the anolyte supply port 31 provided in the electrolytic cell and ejected into the anode chamber, and electrolysis is performed in the anode.
  • the anolyte supply port and the anolyte discharge port are arranged on the same side, but the supply port and the discharge port may be arranged to face each other.
  • the liquid supply port and the catholyte supply port may be arranged on the same side.
  • the flat plate spring-like body holding member 11 is attached to the negative electrode chamber partition wall 7, and the flat plate spring-like body holding member 11 is attached to the flat plate spring-like body holding member 11. 12 are connected.
  • the base portions 13 of the flat spring-like body holding member 11 and the flat spring-like body 12 are formed with a line symmetry symmetrically with respect to a straight line in the height direction of the electrolytic cell, and extend from the pair of root portions 13a and 13b.
  • the flat spring-like body 12 extends in directions opposite to each other, and the flat spring-like body 12 has a bent portion 14 at a position spaced from the bases 13a, 13b of the flat spring-like body holding member 11, and The tip has an electrode contact portion 15 that contacts the electrode to form a conductive connection.
  • the bent portion 14 is a portion where the flat spring-like body is bent when a force in the flat spring-like body holding member surface direction is applied to the electrode contact portion 15 of the flat spring-like body 12.
  • the flat spring-like body shown in FIG. 1 when a force does not act on the flat spring-like body, it is formed in a portion extending in the horizontal direction from the coupling portion with the flat spring-like body holding member to form an electrode contact portion.
  • the tip portion extends from the rising portion 16 in the vertical direction.
  • the bent portion 14 is formed at a portion spaced from the root of the flat spring-like body holding member of the flat spring-like body 12, the flat spring-like body 12 is repeatedly pressed toward the flat spring-like body holding member 11 side. Even when pressed by an abnormal pressure that occurs rarely at the start of operation or the like, stress concentration on the root portion 13 to the flat spring-like body holding member of the flat spring-like body can be avoided. It is possible to prevent the joint from undergoing plastic deformation that is difficult to recover due to the concentration of stress on the surface.
  • the flat plate spring-like body 12 is formed with a concave portion 17 between the base portion 13 and the bent portion 14 and having a concave surface on the side in contact with the electrode surface, which is perpendicular to the length direction of the flat plate spring-like body. ing.
  • the concave part 17 is formed in the base part 13 of the flat spring-like body, a flat spring-like body having a great effect of preventing plastic deformation due to stress concentration on the base part 13 can be obtained.
  • the electrode contact portion 15 provided at the distal end portion of the flat spring-like body 12 is provided with an electrode contact portion 15 that is bent into an obtuse or curved shape and comes into contact with the electrode, and the electrode contact portion 15 serves as the cathode 8. Is energized in contact with.
  • the flat spring-like body 12 extends in a direction facing each other with an interval symmetrical to a straight line in the height direction of the electrolytic cell, and an electrode contact portion 15 provided at the tip thereof is in contact with the cathode 8.
  • the flat spring-like body 12 displaces the cathode 8 and the cathode surface in a direction perpendicular to the repulsive force and does not move the cathode 8 in parallel with the cathode surface, so that the ion exchange membrane surface is damaged. It is possible to adjust to a predetermined position without causing the above problem.
  • the flat spring-like body holding member 11 attached to the cathode chamber partition wall may be one member having the same size as the cathode surface, or a predetermined number of members may be arranged. Since the opening 25 is formed in the flat spring-shaped body holding member 11 when the flat plate spring-shaped body 11 is produced and cut and bent, the air bubbles rising along the electrode surface are removed.
  • the contained catholyte is subjected to electrolysis in the electrolytic cell together with the catholyte supplied through the catholyte supply port 33 through the opening 25 after the gas is separated at the upper part and descending the space on the cathode chamber partition wall 7 side. And discharged from the catholyte discharge port 34.
  • anode chamber partition 4 and the anode 5 are joined to the anode chamber partition 4 at the anode chamber partition junction 30. Both are joined by a continuous weld, a large number of spot-like welds, etc. to form a mechanical holding and conductive connection.
  • the anode chamber partition and the cathode chamber partition have a shape having irregularities such as a truss type, so that the rigidity of the electrode chamber made of a thin plate of titanium, nickel, etc. Can be increased.
  • the step contact width is 0.1 mm or more and 0.5 mm or less
  • the minor axis is 0.5 mm or more and 3.0 mm or less for the electrode in contact with the flat spring-like body.
  • An expanded metal electrode having a major axis of 1.0 mm to 6.0 mm and a plate thickness of 0.1 mm to 0.5 mm is mounted.
  • the minor axis is 0.5 mm or less
  • the major axis is 1.0 mm or less
  • the plate thickness is 0.1 mm or less
  • the rigidity of the electrode is reduced, and the flow of the electrolyte and the pressure of bubble generation This is not preferable because the retention of the affected shape deteriorates.
  • the step width is 0.5 mm
  • the minor axis is 3.0 mm
  • the major axis is 6.0 mm
  • the plate thickness exceeds 0.5 mm, it becomes difficult to precisely adjust the inter-electrode spacing by the spring-like holder.
  • the number of electrodes and the number of contact portions is increased to reduce the reaction force per flat spring-like body. It is preferable.
  • the reaction force is preferably 0.1 N or more and 4.0 N or less per location. When it is smaller than 0.1N, the conductive contact between the electrode and the flat spring-like body deteriorates, the electrolytic cell voltage increases, and stable operation becomes difficult. On the other hand, if it exceeds 4.0 N, the ion exchange membrane may be damaged when it comes into contact with the electrode and the ion exchange membrane.
  • the clamping pressure of the cathode, the ion exchange membrane and the anode is the electrode pressed by the flat spring-shaped body before filling the electrolytic solution into the ion exchange membrane method electrolytic cell.
  • the surface pressure on the ion exchange membrane is preferably 10 Pa to 1.5 kPa, more preferably 300 Pa to 1.5 kPa.
  • FIG. 2 is a diagram for explaining an example of a flat spring-like body of the present invention.
  • FIG. 2A is a perspective view of a flat spring-like body holding member to which a flat spring-like body is attached
  • FIG. 2B is a diagram illustrating a side surface of the flat spring-like body.
  • the plate spring-like body is in contact with the plate spring-like body at a position extending on the same plane as the plate spring-like body holding member provided at a distance from the coupling portion of the plate spring-like body holding member.
  • FIG. 3 is a diagram for explaining another example of the flat spring-like body of the present invention.
  • FIG. 3A is a perspective view of a flat spring-like body holding member to which a flat spring-like body is attached
  • FIG. 3B is a diagram illustrating a side surface of the flat spring-like body.
  • 3 is different from the ion exchange membrane electrolytic cell shown in FIG. 2 in that the length of the plate spring-like body in which the electrode surface side of the base portion 13 of the plate-spring-like body holding member 11 of the plate spring-like body 12 is electrically connected is depressed.
  • a concave portion 17 is formed in a direction perpendicular to the vertical direction. This is preferable because the compressed compression pressure can be absorbed more efficiently.
  • the number of electrode contact portions on the cathode is increased, and the reaction force per flat spring-like body is 0.1 N or more.
  • the reaction force is reduced when the compression pressure to the cathode suddenly increases, and the ion exchange membrane is damaged due to contact of the cathode with the ion exchange membrane, etc. The effect to prevent becomes remarkable.
  • the present invention will be described with reference to examples.
  • Example 1 A nickel expanded metal having a step width of 0.16 mm, a minor axis of 1.0 mm, a major axis of 2.0 mm and a plate thickness of 0.15 mm was cut into a length of 530 mm in the minor axis direction and a length of 400 mm in the major axis direction.
  • the short axis direction of the expanded metal was the vertical axis
  • the long axis direction was the horizontal axis.
  • the expanded metal was etched with 10% by mass hydrochloric acid at 50 ° C. for 15 minutes, washed with water and dried.
  • a platinum content of the dinitrodiammine platinum nitrate solution (manufactured by Tanaka Kikinzoku, platinum concentration: 4.5 mass%, solvent: 8 wt% nitric acid solution), nickel nitrate hexahydrate and water in a molar ratio of 0. 5.
  • a coating solution having a total concentration of platinum and nickel in the mixed solution of 5% by mass in terms of metal was prepared.
  • this coating solution was applied to the entire surface of the expanded metal using a brush, dried in a hot air dryer at 80 ° C. for 15 minutes, and then using a box-type electric furnace at 500 ° C. for 15 minutes under air circulation.
  • a thermal decomposition coating was formed by heat treatment. This series of operations was repeated 5 times, and the electrode coated with the platinum-nickel alloy was used as the cathode.
  • the area of one hole of this cathode is 1.0 mm 2 and the aperture ratio is about 51%.
  • An ion exchange membrane method electrolytic cell was assembled which was conductively connected to the cathode by a spring-like body. At this time, the electrolytic cell was tightened so that the surface pressure on the ion exchange membrane was 1.02 kPa.
  • the flat spring-like body has a total length of 100 mm, a width of 10 mm at the coupling portion 9, 5 mm at the bent portion 10, a length of 20 mm at the rising portion 11, and a length of 6 mm at the electrode contact portion, and is made of nickel.
  • the number of electrode contact portions was 316 points, and the cathode area per point was 6.7 cm 2 . At this time, the compressive stress was 0.67 N per point.
  • the pressure in the cathode chamber is set higher by 5 kPa than the pressure in the anode chamber, the ion exchange membrane is brought into close contact with the anode surface, the current density is 5 kA / m 2 , and the anode chamber outlet brine concentration:
  • the sodium chloride aqueous solution concentration was adjusted to 200 to 210 g / L and the cathode chamber outlet sodium hydroxide aqueous solution concentration range was 31 to 33% by mass.
  • the electrolytic cell voltage was measured and recorded at 1 second intervals over 5 minutes, and the voltage was stable at around 2.95V.
  • Comparative Example 1 As an expanded metal electrode, an expanded metal made of nickel having a step width of 1.5 mm, a short diameter: 6 mm, a long diameter: 15 mm, and a plate thickness: 1.5 mm is formed in the short diameter direction in the same manner as in Example 1. It was cut into a length of 530 mm and a length of 400 mm in the major axis direction. Also in this comparative example, the short diameter direction of the expanded metal was set to be vertical, and the long diameter direction was set to be horizontal. The area of one hole of this expanded metal electrode is 45 mm 2 and the aperture ratio is about 42%.
  • This expanded metal substrate was etched with 10% by mass hydrochloric acid at a temperature of 50 ° C. for 15 minutes, washed with water and dried.
  • a platinum content of the dinitrodiammine platinum nitrate solution (manufactured by Tanaka Kikinzoku, platinum concentration: 4.5% by weight, solvent: 8% by weight nitric acid solution), nickel nitrate hexahydrate and water in a molar ratio of 0. 5.
  • a coating solution having a total concentration of platinum and nickel in the mixed solution of 5% by mass in terms of metal was prepared.
  • this coating solution is applied to the fine mesh electrode by using a brush, dried at 80 ° C. for 15 minutes in a hot air dryer, and then heat-treated at 500 ° C. for 15 minutes under air circulation using a box-type electric furnace. Then, a pyrolytic film was formed.
  • a comparative example ion exchange membrane electrolytic cell was assembled in the same manner as in Example 1. The tightening force at this time was 196 Pa in terms of the surface pressure of the cation exchange membrane.
  • the cathode has a total length of 100 mm, a bent portion at the center, a width of 20 mm at the portion in contact with the electrode and a width of 25 mm at the other portion, It was energized while being held by a nickel spring having a thickness of 0.9 mm.
  • the springs are arranged at intervals of 90 mm in the vertical direction and at intervals of 250 mm in the horizontal direction.
  • the number of locations where the tip and the electrode are in contact is 10 points, and the cathode area per contact point is 212 cm 2.
  • the reaction force at that time was 4.2 N per location.
  • the ion exchange membrane method electrolytic cell of the comparative example was set to 5 kPa higher than the pressure in the anode chamber, and the ion exchange membrane was brought into close contact with the anode surface in the same manner as in Example 1, and the current density was 6 kA / m 2.
  • the electrolytic cell voltage was measured and recorded at intervals of 1 second over 5 minutes, the voltage changed in the vicinity of 3.04 V, which was 0.09 V higher than the electrolytic cell of the example.
  • the ion exchange membrane method electrolytic cell of the present invention has a great effect of reducing the electrolysis voltage, and in the case of a salt water ion exchange membrane method electrolytic cell, the power intensity can be greatly reduced. This contributes to a decrease, and is extremely useful for an ion exchange membrane method electrolytic cell typified by a salt water ion exchange membrane method electrolytic cell.

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Abstract

L'invention concerne un électrolyseur à membrane échangeuse d'ions venant en contact, au niveau d'une partie de contact d'électrodes, avec un corps de type ressort à plaque plane s'étendant dans un sens d'électrode et formé solidaire d'un élément de support de corps de type ressort disposé dans une chambre d'électrode. L'électrolyseur présente également une conduction électrique avec le corps de type ressort à plaque plane. Ce dernier comprend, à un emplacement s'étendant sur le même plan que l'élément de support, à une certaine distance du joint dudit élément, une partie s'étendant sur le côté opposé vers une électrode avec laquelle le corps de type ressort vient en contact, ainsi qu'une partie s'étendant dans le sens d'une électrode venant en contact avec un côté extrémité. L'électrode avec laquelle le corps de type ressort vient en contact est reliée à une électrode métallique allongée présentant une taille de pas de 0,1 mm ou supérieure et de 0,5 mm ou inférieure, un petit axe de 0,5 mm ou supérieur et de 3,0 mm ou inférieur, un grand axe de 1,0 mm ou supérieur et de 6,0 mm ou inférieur et une épaisseur de feuille de 0,1 mm ou supérieure et de 0,5 mm ou inférieure. Une valeur obtenue par division d'une zone donnée par le produit des largeurs et longueurs d'une maille de l'électrode métallique allongée par le nombre de parties de contact entre le corps de type ressort à plaque plane et la partie électrode de contact est comprise entre 0,01 et 10 cm2. La force de réaction par partie de contact d'électrode est comprise entre 0,1 et 4,0 N.
PCT/JP2010/002854 2009-04-21 2010-04-20 Electrolyseur a membrane echangeuse d'ions WO2010122785A1 (fr)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105531399A (zh) * 2013-11-06 2016-04-27 株式会社大阪曹达 离子交换膜电解槽以及弹性体
TWI785175B (zh) * 2018-02-22 2022-12-01 日商松下知識產權經營股份有限公司 電解用元件

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JP2001064792A (ja) * 1999-08-30 2001-03-13 Tokuyama Corp 電解槽
JP2001262387A (ja) * 2000-03-22 2001-09-26 Tokuyama Corp アルカリ金属塩電解槽
WO2004048643A1 (fr) * 2002-11-27 2004-06-10 Asahi Kasei Chemicals Corporation Cellule electrolytique bipolaire sans interstice
JP2006322018A (ja) * 2005-05-17 2006-11-30 Chlorine Eng Corp Ltd イオン交換膜型電解槽
JP2007321229A (ja) * 2006-06-05 2007-12-13 Chlorine Eng Corp Ltd イオン交換膜電解槽

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Publication number Priority date Publication date Assignee Title
JP2001064792A (ja) * 1999-08-30 2001-03-13 Tokuyama Corp 電解槽
JP2001262387A (ja) * 2000-03-22 2001-09-26 Tokuyama Corp アルカリ金属塩電解槽
WO2004048643A1 (fr) * 2002-11-27 2004-06-10 Asahi Kasei Chemicals Corporation Cellule electrolytique bipolaire sans interstice
JP2006322018A (ja) * 2005-05-17 2006-11-30 Chlorine Eng Corp Ltd イオン交換膜型電解槽
JP2007321229A (ja) * 2006-06-05 2007-12-13 Chlorine Eng Corp Ltd イオン交換膜電解槽

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105531399A (zh) * 2013-11-06 2016-04-27 株式会社大阪曹达 离子交换膜电解槽以及弹性体
EP3067441A4 (fr) * 2013-11-06 2016-09-14 Osaka Soda Co Ltd Bain électrolytique à membrane d'échange d'ions et corps élastique
US10208388B2 (en) 2013-11-06 2019-02-19 Osaka Soda Co., Ltd. Ion exchange membrane electrolyzer and elastic body
CN105531399B (zh) * 2013-11-06 2019-10-18 株式会社大阪曹达 离子交换膜电解槽以及弹性体
TWI785175B (zh) * 2018-02-22 2022-12-01 日商松下知識產權經營股份有限公司 電解用元件

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