DE3021454C2 - - Google Patents
Info
- Publication number
- DE3021454C2 DE3021454C2 DE3021454A DE3021454A DE3021454C2 DE 3021454 C2 DE3021454 C2 DE 3021454C2 DE 3021454 A DE3021454 A DE 3021454A DE 3021454 A DE3021454 A DE 3021454A DE 3021454 C2 DE3021454 C2 DE 3021454C2
- Authority
- DE
- Germany
- Prior art keywords
- cathode
- cation exchange
- membrane
- exchange membrane
- electrolysis
- 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.)
- Expired
Links
- 239000012528 membrane Substances 0.000 claims description 103
- 238000005341 cation exchange Methods 0.000 claims description 59
- 238000005868 electrolysis reaction Methods 0.000 claims description 40
- 238000000034 method Methods 0.000 claims description 33
- 239000000126 substance Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 6
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 4
- 229920002313 fluoropolymer Polymers 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 18
- 239000001301 oxygen Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 18
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 12
- 239000000243 solution Substances 0.000 description 10
- 239000003014 ion exchange membrane Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 8
- 239000003513 alkali Substances 0.000 description 7
- 239000000843 powder Substances 0.000 description 7
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 7
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- -1 hydrogen ions Chemical class 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012256 powdered iron Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- NHJFHUKLZMQIHN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanoyl 2,2,3,3,3-pentafluoropropaneperoxoate Chemical compound FC(F)(F)C(F)(F)C(=O)OOC(=O)C(F)(F)C(F)(F)F NHJFHUKLZMQIHN-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 1
- 125000003262 carboxylic acid ester group Chemical group [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- FVJFRFUSHCIRKP-UHFFFAOYSA-N disodium;hydrogen borate Chemical compound [Na+].[Na+].OB([O-])[O-] FVJFRFUSHCIRKP-UHFFFAOYSA-N 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012527 feed solution Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- YBBRCQOCSYXUOC-UHFFFAOYSA-N sulfuryl dichloride Chemical group ClS(Cl)(=O)=O YBBRCQOCSYXUOC-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C25B1/46—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in diaphragm cells
-
- 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
- C25B9/23—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7054579A JPS55164086A (en) | 1979-06-07 | 1979-06-07 | Method for electrolysis of alkali metal chloride aqueous solution |
| JP7054479A JPS55164085A (en) | 1979-06-07 | 1979-06-07 | Method for alkali electrolysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3021454A1 DE3021454A1 (de) | 1980-12-11 |
| DE3021454C2 true DE3021454C2 (en, 2012) | 1988-04-21 |
Family
ID=26411693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803021454 Granted DE3021454A1 (de) | 1979-06-07 | 1980-06-06 | Verfahren zur elektrolyse einer waessrigen alkalichloridloesung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4526663A (en, 2012) |
| DE (1) | DE3021454A1 (en, 2012) |
| FR (1) | FR2458601A1 (en, 2012) |
| GB (1) | GB2051870B (en, 2012) |
| IT (1) | IT1131517B (en, 2012) |
| NL (1) | NL190727C (en, 2012) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4615775A (en) * | 1979-08-03 | 1986-10-07 | Oronzio De Nora | Electrolysis cell and method of generating halogen |
| US4315805A (en) * | 1979-11-08 | 1982-02-16 | Ppg Industries, Inc. | Solid polymer electrolyte chlor-alkali process |
| JPS5770144A (en) | 1980-10-17 | 1982-04-30 | Asahi Glass Co Ltd | Organic solution of fluorinated copolymer containing carboxyl group |
| US4417959A (en) * | 1980-10-29 | 1983-11-29 | Olin Corporation | Electrolytic cell having a composite electrode-membrane structure |
| FI72150C (fi) * | 1980-11-15 | 1987-04-13 | Asahi Glass Co Ltd | Alkalimetallkloridelektrolyscell. |
| US4588483A (en) * | 1984-07-02 | 1986-05-13 | Olin Corporation | High current density cell |
| US4687558A (en) * | 1984-07-02 | 1987-08-18 | Olin Corporation | High current density cell |
| US4755272A (en) * | 1986-05-02 | 1988-07-05 | The Dow Chemical Company | Bipolar electrochemical cell having novel means for electrically connecting anode and cathode of adjacent cell units |
| US4743350A (en) * | 1986-08-04 | 1988-05-10 | Olin Corporation | Electrolytic cell |
| US5041197A (en) * | 1987-05-05 | 1991-08-20 | Physical Sciences, Inc. | H2 /C12 fuel cells for power and HCl production - chemical cogeneration |
| US4770756A (en) * | 1987-07-27 | 1988-09-13 | Olin Corporation | Electrolytic cell apparatus |
| US5013414A (en) * | 1989-04-19 | 1991-05-07 | The Dow Chemical Company | Electrode structure for an electrolytic cell and electrolytic process used therein |
| US5599430A (en) * | 1992-01-14 | 1997-02-04 | The Dow Chemical Company | Mattress for electrochemical cells |
| IT1270878B (it) * | 1993-04-30 | 1997-05-13 | Permelec Spa Nora | Migliorata cella elettrochimica utilizzante membrane a scambio ionico e piatti bipolari metallici |
| DE10335184A1 (de) * | 2003-07-30 | 2005-03-03 | Bayer Materialscience Ag | Elektrochemische Zelle |
| RU2427669C2 (ru) * | 2006-09-29 | 2011-08-27 | Уденора С.П.А. | Электролитическая ячейка |
| JP4216892B1 (ja) * | 2007-04-13 | 2009-01-28 | 優章 荒井 | 電解水の製造装置、電解水の製造方法および電解水 |
| ITMI20071375A1 (it) * | 2007-07-10 | 2009-01-11 | Uhdenora Spa | Collettore di corrente elastico per celle elettrochimiche |
| CN112456607B (zh) * | 2020-10-28 | 2022-09-30 | 马鞍山市华茂机械科技有限公司 | 一种机械加工厂污水处理设备 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS491735A (en, 2012) * | 1972-04-26 | 1974-01-09 | ||
| JPS5080974A (en, 2012) * | 1973-11-19 | 1975-07-01 | ||
| JPS50109899A (en, 2012) * | 1974-02-04 | 1975-08-29 | ||
| JPS5278788A (en) * | 1975-12-04 | 1977-07-02 | Gen Electric | Gas generation electrolysis catalysts |
| JPS5343377A (en) * | 1976-09-29 | 1978-04-19 | Hitachi Ltd | Pivotally movable magnetic pole for use in apparatus for preventing occurrence of noises during |
| DE2640097A1 (de) * | 1976-09-06 | 1978-05-11 | Tokuyama Soda Kk | Neue kathodenstruktur zur elektrolyse |
| JPS5352297A (en) * | 1976-09-20 | 1978-05-12 | Gen Electric | Electrolytic method and apparatus therefore |
| JPS5447877A (en) * | 1977-09-22 | 1979-04-14 | Kanegafuchi Chem Ind Co Ltd | Electrolyzing method for alkali metal chloride |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3057794A (en) * | 1961-10-10 | 1962-10-09 | Pittsburgh Plate Glass Co | Electrolytic cell diaphragm |
| US3356538A (en) * | 1964-09-29 | 1967-12-05 | Gen Electric | Electrodeposited ion exchange membrane and method of forming |
| BE788557A (fr) * | 1971-09-09 | 1973-03-08 | Ppg Industries Inc | Diaphragmes pour cellules electrolytiques |
| US4178218A (en) * | 1974-03-07 | 1979-12-11 | Asahi Kasei Kogyo Kabushiki Kaisha | Cation exchange membrane and use thereof in the electrolysis of sodium chloride |
| JPS551351B2 (en, 2012) * | 1974-03-07 | 1980-01-12 | ||
| JPS5232866B2 (en, 2012) * | 1974-10-09 | 1977-08-24 | ||
| US4111779A (en) * | 1974-10-09 | 1978-09-05 | Asahi Kasei Kogyo Kabushiki Kaisha | Bipolar system electrolytic cell |
| US4153520A (en) * | 1975-05-20 | 1979-05-08 | E. I. Du Pont De Nemours And Company | Method for the electrolytic production of chlorine from brine |
| JPS52145398A (en) * | 1976-05-31 | 1977-12-03 | Tokuyama Soda Co Ltd | Electrolysis of alkali metal salts |
| US4101395A (en) * | 1976-08-30 | 1978-07-18 | Tokuyama Soda Kabushiki Kaisha | Cathode-structure for electrolysis |
| FR2364978A1 (fr) * | 1976-09-20 | 1978-04-14 | Tokuyama Soda Kk | Element cathodique pour electrolyse de solutions aqueuses de sels |
| JPS541735A (en) * | 1977-06-06 | 1979-01-08 | Honda Motor Co Ltd | Sound absorbing material mounting structure of sound absorber |
| GB2007260B (en) * | 1977-09-22 | 1982-02-24 | Kanegafuchi Chemical Ind | Method of electrolysis of alkai metal chloride |
| DE2844496C2 (de) * | 1977-12-09 | 1982-12-30 | General Electric Co., Schenectady, N.Y. | Verfahren zum Herstellen von Halogen und Alkalimetallhydroxiden |
| US4210501A (en) * | 1977-12-09 | 1980-07-01 | General Electric Company | Generation of halogens by electrolysis of hydrogen halides in a cell having catalytic electrodes bonded to a solid polymer electrolyte |
| US4191618A (en) * | 1977-12-23 | 1980-03-04 | General Electric Company | Production of halogens in an electrolysis cell with catalytic electrodes bonded to an ion transporting membrane and an oxygen depolarized cathode |
| IT1118243B (it) * | 1978-07-27 | 1986-02-24 | Elche Ltd | Cella di elettrolisi monopolare |
| US4209368A (en) * | 1978-08-07 | 1980-06-24 | General Electric Company | Production of halogens by electrolysis of alkali metal halides in a cell having catalytic electrodes bonded to the surface of a porous membrane/separator |
| US4204920A (en) * | 1978-12-06 | 1980-05-27 | Allied Chemical Corporation | Electrolytic production of chlorine and caustic soda |
-
1980
- 1980-06-04 GB GB8018253A patent/GB2051870B/en not_active Expired
- 1980-06-06 IT IT22630/80A patent/IT1131517B/it active
- 1980-06-06 NL NL8003324A patent/NL190727C/xx not_active IP Right Cessation
- 1980-06-06 FR FR8012614A patent/FR2458601A1/fr active Granted
- 1980-06-06 DE DE19803021454 patent/DE3021454A1/de active Granted
-
1981
- 1981-08-24 US US06/295,389 patent/US4526663A/en not_active Expired - Lifetime
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS491735A (en, 2012) * | 1972-04-26 | 1974-01-09 | ||
| JPS5080974A (en, 2012) * | 1973-11-19 | 1975-07-01 | ||
| JPS50109899A (en, 2012) * | 1974-02-04 | 1975-08-29 | ||
| JPS5278788A (en) * | 1975-12-04 | 1977-07-02 | Gen Electric | Gas generation electrolysis catalysts |
| DE2640097A1 (de) * | 1976-09-06 | 1978-05-11 | Tokuyama Soda Kk | Neue kathodenstruktur zur elektrolyse |
| JPS5352297A (en) * | 1976-09-20 | 1978-05-12 | Gen Electric | Electrolytic method and apparatus therefore |
| JPS5343377A (en) * | 1976-09-29 | 1978-04-19 | Hitachi Ltd | Pivotally movable magnetic pole for use in apparatus for preventing occurrence of noises during |
| JPS5447877A (en) * | 1977-09-22 | 1979-04-14 | Kanegafuchi Chem Ind Co Ltd | Electrolyzing method for alkali metal chloride |
Also Published As
| Publication number | Publication date |
|---|---|
| IT8022630A0 (it) | 1980-06-06 |
| IT1131517B (it) | 1986-06-25 |
| GB2051870B (en) | 1983-04-20 |
| NL8003324A (nl) | 1980-12-09 |
| GB2051870A (en) | 1981-01-21 |
| FR2458601A1 (fr) | 1981-01-02 |
| DE3021454A1 (de) | 1980-12-11 |
| NL190727C (nl) | 1994-07-18 |
| NL190727B (nl) | 1994-02-16 |
| US4526663A (en) | 1985-07-02 |
| FR2458601B1 (en, 2012) | 1984-02-03 |
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