EP0097991A1 - Cellule d'électrolyse à membrane avec électrodes disposées verticalement - Google Patents
Cellule d'électrolyse à membrane avec électrodes disposées verticalement Download PDFInfo
- Publication number
- EP0097991A1 EP0097991A1 EP83200883A EP83200883A EP0097991A1 EP 0097991 A1 EP0097991 A1 EP 0097991A1 EP 83200883 A EP83200883 A EP 83200883A EP 83200883 A EP83200883 A EP 83200883A EP 0097991 A1 EP0097991 A1 EP 0097991A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrode
- membrane
- electrodes
- units
- divided
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- 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
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/02—Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
Definitions
- the invention relates to a membrane electrolysis cell with vertically arranged electrodes for electrochemical processes.
- electrodes with openings for the removal of the reaction gases are generally used, for example perforated electrodes, wire mesh or expanded metal.
- the disadvantages include the reduced active surface, the lack of mechanical stability and the loss of high-quality coating material on the back of the electrodes.
- membrane cells with ion exchange membranes are provided with a frame construction that is as rigid as possible, in which the electrodes are rigid, in the majority of cases by welded connections.
- the electrodes are rigid, in the majority of cases by welded connections.
- the object of the invention is therefore to avoid the mentioned and other disadvantages and to provide an electrode arrangement for a membrane electrolysis cell which, under technical operating conditions, ensures a secure plane parallelism of the electrode surfaces and an energetically favorable minimum electrode spacing and ensures safe and rapid gas removal.
- the two geometric reference systems in the cell namely frame / frame and anode / cathode
- the one electrode such as the cathode
- the electrode of the opposite polarity such as anode divided vertically into several plate or strip units
- This flexible design is brought about by spring elements.
- the spring elements are expediently attached to the current leads to the electrodes and, via contact pressure or welding, bring about the electrical contact with the individual strip units of the electrode (anode).
- the cathode in the above-mentioned arrangement, can also be set up flexibly when the anode is rigidly fixed.
- both electrodes which are divided into individual units, can also be made displaceable by spring elements. In this way, the unevenness of the contact surfaces of the cell frame which is inevitably present and can only be removed with a great deal of work is not transferred to the positioning of the electrode. Rather, the tolerances occurring in the area of the cell frame are bridged by means of the movable connection of the current distributor to the active surface of the electrode.
- the spring force of the spring elements is dimensioned so that it allows the relative spatial position of the anode and cathode to be adjusted.
- the frames can advantageously be made from commercially available, drawn material without substantial post-processing, and the required tight tolerances can be achieved using spacers.
- the movable or displaceable arrangement of the electrode active surfaces is used to discharge developed and accumulated gas, such as chlorine gas, and is designed accordingly.
- the spring elements designed as flexible power supply lines form a concave curvature directed towards the cell bottom or an angle which is open there.
- that Spring element be a leaf spring welded to the power supply.
- the chlorine gas collected under the individual flexible spring elements or current feeders is discharged upwards at one point by gas discharge elements arranged laterally in the electrolysis room. In this way, partial degassing of the electrode space or anode space takes place. This partial degassing in turn causes convection flows in the electrolyte and an improved electrolyte exchange in the active area of the electrodes, which leads to considerable improvements in the energy yield.
- spacers are attached to the horizontal or vertical separation points between the individual units of the electrode on which the membrane is not in contact. Due to the different densities of catholyte and anolyte, the membrane rests on an electrode at the same hydrostatic heights, i. that is, a lateral force acts on the electrode.
- the spacer in the case of gas-developing processes, is designed as a guide element for discharging the developed gas from the electrode space.
- the spacer functions as a gas separation unit when arranged horizontally. It then consists of stripes, for example fen-shaped plates with serrated edges or strips with slit or circular openings or from lattice or net-shaped strips. Such spacers bring about a complete gas withdrawal from the electrode gap after each division of the multiple horizontally divided electrode (cathode).
- FIGS. 1 to 4 of the drawing The invention is illustrated in more detail and by way of example in FIGS. 1 to 4 of the drawing.
- FIG. 1 shows a front view of an electrode frame F with a horizontally divided cathode plate 2.
- FIG. 1b is a similar view of an electrode frame with anode 3 divided vertically and horizontally.
- Fig. La is a section along the line I - I in Fig. 1 and shows the horizontally designed cathode plate 2 with spacer 1st
- Fig. 2 is an enlarged view of section "A" in Fig. La.
- the spacer 2 illustrates a gas discharge member.
- the horizontally divided electrode 2 (cathode) and the vertically divided counter electrode 3 (anode) are also shown.
- the arrows 5 and 6 indicate the electrolyte entry or exit of the gas-electrolyte mixture from the cell.
- Fig. 3 shows a plan view of a displaceable electrode combination of horizontally divided cathode 2 and vertically divided anode 3 and spring elements 7, which are connected to the power supply-8.
- FIG. 4 shows a displaceable anode 3 in a top view.
- This figure is an enlarged view of the detail "B" in FIG. 1c and shows spring elements 7 which are connected to the power supply 8 and the anode 3. In the working position, the anode is pressed against the membrane 4.
- the electrolysis cell according to the invention has the following advantages, among others. Due to the movable electrode combination with spring elements caused by multiple divisions, the smallest critical electrode spacing can be changed at any time during loading Drive of the electrolytic cell are observed. This combination saves a considerable amount of technical production effort for the electrodes as well as for the electrode frames with regard to compliance with tight manufacturing tolerances. Furthermore, a limitation of the height construction of the electrolysis cell is practically eliminated, since developed gas is removed from the electrode gap in each division, ie gas accumulation is avoided.
- the total power consumption is 1.860, ie the voltage is reduced to the current density on the non-raised surface the current density on the raised surface
- the temperature difference between the membrane and the electrolyte increases by approx. 20%.
- Example 2 shows the limitations in the construction of large-scale electrolytic cells due to power warps. ⁇ 0.75 mm are tolerances that can just be maintained with reasonable effort. For a 1 m wide or tall cell, this tolerance means an accuracy of 0.075% based on the gauge block. Furthermore, 30 to 50% free area for the gas discharge is the maximum of the tolerable, because otherwise the effective current density increases too much.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT83200883T ATE30252T1 (de) | 1982-06-25 | 1983-06-16 | Membran-elektrolysezelle mit vertikal angeordneten elektroden. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3223701 | 1982-06-25 | ||
DE19823223701 DE3223701A1 (de) | 1982-06-25 | 1982-06-25 | Membran-elektrolysezelle mit vertikal angeordneten elektroden |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0097991A1 true EP0097991A1 (fr) | 1984-01-11 |
EP0097991B1 EP0097991B1 (fr) | 1987-10-14 |
Family
ID=6166805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP83200883A Expired EP0097991B1 (fr) | 1982-06-25 | 1983-06-16 | Cellule d'électrolyse à membrane avec électrodes disposées verticalement |
Country Status (11)
Country | Link |
---|---|
US (1) | US4502935A (fr) |
EP (1) | EP0097991B1 (fr) |
JP (1) | JPS5913085A (fr) |
AT (1) | ATE30252T1 (fr) |
AU (1) | AU553793B2 (fr) |
BR (1) | BR8303395A (fr) |
CA (1) | CA1214750A (fr) |
DE (2) | DE3223701A1 (fr) |
FI (1) | FI73471C (fr) |
IN (1) | IN156644B (fr) |
ZA (1) | ZA834630B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0468285A1 (fr) * | 1990-07-25 | 1992-01-29 | Eltech Systems Corporation | Anode soutenue par des ressorts |
WO2000039361A2 (fr) * | 1998-12-23 | 2000-07-06 | Krupp Uhde Gmbh | Cellule a membrane echangeuse d'ions a fort debit de produit |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE8400459L (sv) * | 1984-01-30 | 1985-07-31 | Kema Nord Ab | Elektrod for elektrolysorer |
DE3726674A1 (de) * | 1987-08-11 | 1989-02-23 | Heraeus Elektroden | Elektrodenstruktur fuer elektrochemische zellen |
DE3808495A1 (de) * | 1988-03-15 | 1989-09-28 | Metallgesellschaft Ag | Membranelektrolysevorrichtung |
US5254233A (en) * | 1990-02-15 | 1993-10-19 | Asahi Glass Company Ltd. | Monopolar ion exchange membrane electrolytic cell assembly |
US5221452A (en) * | 1990-02-15 | 1993-06-22 | Asahi Glass Company Ltd. | Monopolar ion exchange membrane electrolytic cell assembly |
EP1397531A1 (fr) * | 2001-06-15 | 2004-03-17 | Akzo Nobel N.V. | Cellule d'electrolyse |
US7141147B2 (en) * | 2001-06-15 | 2006-11-28 | Akzo Nobel N.V. | Electrolytic cell |
WO2003023090A1 (fr) * | 2001-09-07 | 2003-03-20 | Akzo Nobel N.V. | Cellule d'electrolyse |
US6797136B2 (en) * | 2001-09-07 | 2004-09-28 | Akzo Nobel N.V. | Electrolytic cell |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE563393C (de) * | 1929-02-05 | 1932-11-04 | I G Farbenindustrie Akt Ges | Elektrolytische Zelle |
FR2080780A1 (fr) * | 1970-02-26 | 1971-11-19 | Diamond Shamrock Corp | |
US3960699A (en) * | 1974-12-23 | 1976-06-01 | Basf Wyandotte Corporation | Self supporting electrodes for chlor-alkali cell |
US4075077A (en) * | 1977-05-16 | 1978-02-21 | Pennwalt Corporation | Electrolytic cell |
FR2486105A1 (fr) * | 1980-07-03 | 1982-01-08 | Kanegafuchi Chemical Ind | Cellule electrolytique du type digitiforme et a membrane echangeuse de cations pour l'electrolyse d'une solution aqueuse de chlorure d'un metal alcalin |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE793122A (fr) * | 1971-12-22 | 1973-06-21 | Rhone Progil | Electrodes bipolaires demontables |
US4056458A (en) * | 1976-08-26 | 1977-11-01 | Diamond Shamrock Corporation | Monopolar membrane electrolytic cell |
DE2642559B1 (de) * | 1976-09-22 | 1978-02-23 | Heraeus Elektroden | Verfahren zur erneuerung wirksamer elektrodenflaechen von metallelektroden fuer elektrolysezellen |
IT1114623B (it) * | 1977-07-01 | 1986-01-27 | Oronzio De Nora Impianti | Cella elettrolitica monopolare a diaframma |
US4154667A (en) * | 1978-01-03 | 1979-05-15 | Diamond Shamrock Corporation | Method of converting box anodes to expandable anodes |
JPS5629683A (en) * | 1979-08-17 | 1981-03-25 | Toagosei Chem Ind Co Ltd | Anode structure for diaphragmatic electrolysis cell |
IT1163737B (it) * | 1979-11-29 | 1987-04-08 | Oronzio De Nora Impianti | Elettrolizzatore bipolare comprendente mezzi per generare la ricircolazione interna dell'elettrolita e procedimento di elettrolisi |
-
1982
- 1982-06-25 DE DE19823223701 patent/DE3223701A1/de not_active Withdrawn
- 1982-09-22 IN IN1097/CAL/82A patent/IN156644B/en unknown
-
1983
- 1983-06-16 EP EP83200883A patent/EP0097991B1/fr not_active Expired
- 1983-06-16 DE DE8383200883T patent/DE3374072D1/de not_active Expired
- 1983-06-16 AT AT83200883T patent/ATE30252T1/de not_active IP Right Cessation
- 1983-06-23 FI FI832313A patent/FI73471C/fi not_active IP Right Cessation
- 1983-06-23 CA CA000431098A patent/CA1214750A/fr not_active Expired
- 1983-06-24 ZA ZA834630A patent/ZA834630B/xx unknown
- 1983-06-24 BR BR8303395A patent/BR8303395A/pt not_active IP Right Cessation
- 1983-06-24 AU AU16260/83A patent/AU553793B2/en not_active Ceased
- 1983-06-24 US US06/507,840 patent/US4502935A/en not_active Expired - Fee Related
- 1983-06-25 JP JP58114997A patent/JPS5913085A/ja active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE563393C (de) * | 1929-02-05 | 1932-11-04 | I G Farbenindustrie Akt Ges | Elektrolytische Zelle |
FR2080780A1 (fr) * | 1970-02-26 | 1971-11-19 | Diamond Shamrock Corp | |
US3960699A (en) * | 1974-12-23 | 1976-06-01 | Basf Wyandotte Corporation | Self supporting electrodes for chlor-alkali cell |
US4075077A (en) * | 1977-05-16 | 1978-02-21 | Pennwalt Corporation | Electrolytic cell |
FR2486105A1 (fr) * | 1980-07-03 | 1982-01-08 | Kanegafuchi Chemical Ind | Cellule electrolytique du type digitiforme et a membrane echangeuse de cations pour l'electrolyse d'une solution aqueuse de chlorure d'un metal alcalin |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0468285A1 (fr) * | 1990-07-25 | 1992-01-29 | Eltech Systems Corporation | Anode soutenue par des ressorts |
WO2000039361A2 (fr) * | 1998-12-23 | 2000-07-06 | Krupp Uhde Gmbh | Cellule a membrane echangeuse d'ions a fort debit de produit |
WO2000039361A3 (fr) * | 1998-12-23 | 2001-08-09 | Krupp Uhde Gmbh | Cellule a membrane echangeuse d'ions a fort debit de produit |
Also Published As
Publication number | Publication date |
---|---|
JPS5913085A (ja) | 1984-01-23 |
ATE30252T1 (de) | 1987-10-15 |
CA1214750A (fr) | 1986-12-02 |
FI73471B (fi) | 1987-06-30 |
DE3374072D1 (en) | 1987-11-19 |
DE3223701A1 (de) | 1983-12-29 |
US4502935A (en) | 1985-03-05 |
FI73471C (fi) | 1987-10-09 |
ZA834630B (en) | 1985-02-27 |
IN156644B (fr) | 1985-09-28 |
EP0097991B1 (fr) | 1987-10-14 |
AU553793B2 (en) | 1986-07-24 |
BR8303395A (pt) | 1984-02-07 |
AU1626083A (en) | 1984-01-05 |
FI832313A0 (fi) | 1983-06-23 |
FI832313L (fi) | 1983-12-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0591293B1 (fr) | Procede d'electrolyse, cellule d'electrolyse et electrode capillaire a fente pour reactions electrolytiques degageant ou consommant des gaz | |
EP0687312B1 (fr) | Agencement d'electrode pour processus electrolytiques formant des gaz dans des cellules a membrane ou a diaphragme | |
EP0717130A1 (fr) | Cellule électrochimique à compensation de pression | |
DE2656650A1 (de) | Bipolare elektrode fuer eine elektrolysezelle | |
DE3439265A1 (de) | Elektrolyseapparat mit horizontal angeordneten elektroden | |
EP1747304A1 (fr) | Cellule electrolytique comprenant des electrodes de metal etire multicouche | |
EP0097991B1 (fr) | Cellule d'électrolyse à membrane avec électrodes disposées verticalement | |
DE2856882A1 (de) | Vorrichtung zum elektrolysieren und verfahren zum herstellen von chlor durch elektrolysieren | |
EP0095039A2 (fr) | Cellule d'électrolyse à membrane | |
DE2059868B2 (de) | Vertikal anzuordnende Elektrodenplatte für eine gasbildende Elektrolyse | |
EP0102099B1 (fr) | Plaque d'électrode verticale pour électrolyseurs à dégagement gazeux | |
DE3519573A1 (de) | Elektrode fuer die membran-elektrolyse | |
EP0274138B1 (fr) | Agencement d'électrode, pour électrolyseurs produisant des gaz, présentant des plaques d'électrode disposées verticalement | |
DE2538000B2 (de) | Bipolare Elektrodenkonstruktion für eine membranlose Elektrolysezelle | |
EP0306627B1 (fr) | .Cellule électrochimique à membrane avec des electrodes plates disposées de chaque côté de la membrane | |
DE2816152B1 (de) | Verfahren zur Herstellung von Chlor aus Salzsaeure durch Elektrolyse und Salzsaeure-Elektrolysezelle | |
DE19740673C2 (de) | Elektrolyseapparat | |
DE2845832A1 (de) | Vorrichtung zur diaphragma-elektrolyse | |
DE60008599T2 (de) | Endkasten für einen elektrodialysator und elektro-dialyse-verfahren | |
DE2510396B2 (de) | Verfahren zur Elektrolyse wäßriger Elektrolytlösungen | |
DE2709093A1 (de) | Elektrode fuer die erzeugung eines gases in einer zelle mit einer membran | |
EP0071754A1 (fr) | Cellule électrolytique du type filtre-presse monopolaire | |
DE1261832B (de) | Elektrolysezelle mit regelbaren Vielfachelektroden | |
DE3123665A1 (de) | Vertikal angeordnete plattenelektrode fuer gasbildende elektrolyseure | |
DE659877C (de) | Vorrichtung fuer die Elektrolyse waessriger Natriumsulfatloesungen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
17P | Request for examination filed |
Effective date: 19840706 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
REF | Corresponds to: |
Ref document number: 30252 Country of ref document: AT Date of ref document: 19871015 Kind code of ref document: T |
|
REF | Corresponds to: |
Ref document number: 3374072 Country of ref document: DE Date of ref document: 19871119 |
|
ET | Fr: translation filed | ||
ITF | It: translation for a ep patent filed |
Owner name: STUDIO JAUMANN |
|
GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19880630 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19890101 |
|
NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee | ||
ITTA | It: last paid annual fee | ||
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19940527 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19940615 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 19940617 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19940621 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19940624 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19940629 Year of fee payment: 12 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 19940718 Year of fee payment: 12 |
|
EAL | Se: european patent in force in sweden |
Ref document number: 83200883.3 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Effective date: 19950616 Ref country code: AT Effective date: 19950616 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19950617 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Effective date: 19950630 Ref country code: CH Effective date: 19950630 Ref country code: BE Effective date: 19950630 |
|
BERE | Be: lapsed |
Owner name: METALLGESELLSCHAFT A.G. Effective date: 19950630 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19950616 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19960229 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Effective date: 19960301 |
|
EUG | Se: european patent has lapsed |
Ref document number: 83200883.3 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |