KR100282769B1 - 막과 산소환원 음극을 지닌 전해전지의 차단 방법 - Google Patents
막과 산소환원 음극을 지닌 전해전지의 차단 방법 Download PDFInfo
- Publication number
- KR100282769B1 KR100282769B1 KR1019980054257A KR19980054257A KR100282769B1 KR 100282769 B1 KR100282769 B1 KR 100282769B1 KR 1019980054257 A KR1019980054257 A KR 1019980054257A KR 19980054257 A KR19980054257 A KR 19980054257A KR 100282769 B1 KR100282769 B1 KR 100282769B1
- Authority
- KR
- South Korea
- Prior art keywords
- cathode
- compartment
- membrane
- oxygen
- sodium hydroxide
- 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 - Fee Related
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 239000001301 oxygen Substances 0.000 title claims abstract description 32
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 32
- 239000012528 membrane Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 17
- 230000009467 reduction Effects 0.000 title abstract description 12
- 230000000903 blocking effect Effects 0.000 title description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 89
- 239000007789 gas Substances 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 9
- 239000003792 electrolyte Substances 0.000 claims description 4
- 210000004027 cell Anatomy 0.000 description 29
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 238000005868 electrolysis reaction Methods 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000011780 sodium chloride Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 7
- 239000012267 brine Substances 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000003014 ion exchange membrane Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 229920000557 Nafion® Polymers 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229920003935 Flemion® Polymers 0.000 description 1
- -1 Hydroxide ions Chemical class 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JUWSSMXCCAMYGX-UHFFFAOYSA-N gold platinum Chemical compound [Pt].[Au] JUWSSMXCCAMYGX-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 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
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/023—Measuring, analysing or testing during electrolytic production
-
- 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
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
-
- 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)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Automation & Control Theory (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
Description
운전 중지 | 운전 중지 기간(일) | Ei - Ef (mV) | Ea - Ef (mV) |
1 | 1 | 30 | 30 |
2 | 10 | 120 | 90 |
3 | 4 | 260 | 140 |
운전 중지 | 운전 중지 기간(일) | Ei - Ef (mV) | Ea - Ef (mV) |
4 | 1 | 10 | 10 |
5 | 1 | 30 | 20 |
6 | 4 | 60 | 30 |
7 | 1 | 74 | 14 |
8 | 2 | 74 | 0 |
운전 중지 | 차단 조건 | 운전 중지 기간(일) | Ei - Ef (mV) | Ea - Ef (mV) |
9 | II | 5 | 10 | 10 |
10 NC | I | 2 | 160 | 150 |
11 | II | 1 | 160 | 0 |
12 | III | 4 | 80 | -80 |
Claims (4)
- 전지에 전력 및 산소 공급을 단절시킨후, 기체 구획을 비우고 pH 7 이하의 탈염수로 채우고, pH 도입된 탈염수의 것과 동일한 pH 를 수득할 때까지 음극을 기체 구획으로부터 탈염수로 헹구고, 상기 기체 구획을 차단 기간 내내 상기 탈염수가 채워진 채로 유지시키는 것을 특징으로 하는, 막과 산소환원 음극을 지닌 전해 전지의 차단 방법.
- 제 1 항에 있어서, 탈염수가 pH 7 을 갖는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 탈염수가 pH 0 내지 7 을 갖는 것을 특징으로 하는 방법.
- 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 또한 양극 구획을 비운후 동일한 형태 및 동일한 농도의 깨끗한 양극 전해액으로 채우고, 수산화나트륨 구획을 비운후 몰농도 0.5 내지 5 몰-g/l 의 수산화나트륨 용액으로 채우는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9715607A FR2772051B1 (fr) | 1997-12-10 | 1997-12-10 | Procede d'immobilisation d'une cellule d'electrolyse a membrane et a cathode a reduction d'oxygene |
FR9715607 | 1997-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990062970A KR19990062970A (ko) | 1999-07-26 |
KR100282769B1 true KR100282769B1 (ko) | 2001-05-02 |
Family
ID=9514399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980054257A Expired - Fee Related KR100282769B1 (ko) | 1997-12-10 | 1998-12-10 | 막과 산소환원 음극을 지닌 전해전지의 차단 방법 |
Country Status (13)
Country | Link |
---|---|
US (1) | US6203687B1 (ko) |
EP (1) | EP0922789B1 (ko) |
JP (1) | JP3140743B2 (ko) |
KR (1) | KR100282769B1 (ko) |
CN (1) | CN1106458C (ko) |
AT (1) | ATE223522T1 (ko) |
BR (1) | BR9805256A (ko) |
CA (1) | CA2254001C (ko) |
DE (1) | DE69807638T2 (ko) |
ES (1) | ES2182247T3 (ko) |
FR (1) | FR2772051B1 (ko) |
NO (1) | NO320764B1 (ko) |
PT (1) | PT922789E (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001020089A (ja) * | 1999-07-07 | 2001-01-23 | Toagosei Co Ltd | 塩化アルカリ電解槽の保護方法及び保護装置 |
US7769355B2 (en) * | 2005-01-19 | 2010-08-03 | Micro Mobio Corporation | System-in-package wireless communication device comprising prepackaged power amplifier |
DE102007005541A1 (de) * | 2007-02-03 | 2008-08-07 | Bayer Materialscience Ag | Verfahren zur elektrochemischen Entchlorung von Anolytsole aus der NaCI-Elektrolyse |
US7819932B2 (en) * | 2008-04-10 | 2010-10-26 | Carbon Blue-Energy, LLC | Method and system for generating hydrogen-enriched fuel gas for emissions reduction and carbon dioxide for sequestration |
DE102012204041A1 (de) * | 2012-03-15 | 2013-09-19 | Bayer Materialscience Aktiengesellschaft | Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden, die Öffnungen aufweisen |
DE102012204040A1 (de) * | 2012-03-15 | 2013-09-19 | Bayer Materialscience Aktiengesellschaft | Verfahren zur Elektrolyse von Alkalichloriden mit Sauerstoffverzehrelektroden |
DE102013226414A1 (de) * | 2013-12-18 | 2015-06-18 | Evonik Industries Ag | Vorrichtung und Verfahren zum flexiblen Einsatz von Strom |
JP6322558B2 (ja) * | 2014-11-28 | 2018-05-09 | 富士フイルム株式会社 | 水素発生電極の再生方法 |
CN105355991A (zh) * | 2015-10-29 | 2016-02-24 | 广州道动新能源有限公司 | 一种利用电解液的导通实现多电解液电池电芯开关的方法 |
EP3670706B1 (de) * | 2018-12-18 | 2024-02-21 | Covestro Deutschland AG | Verfahren zur membran-elektrolyse von alkalichloridlösungen mit gasdiffusionselektrode |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4185142A (en) * | 1978-08-09 | 1980-01-22 | Diamond Shamrock Corporation | Oxygen electrode rejuvenation methods |
JPS6017279A (ja) * | 1983-07-11 | 1985-01-29 | Tamagawa Seiki Kk | 電歪振動子を用いる気体ポンプ |
JP3192763B2 (ja) * | 1992-06-30 | 2001-07-30 | 旭硝子株式会社 | 電解槽を再起用する方法 |
-
1997
- 1997-12-10 FR FR9715607A patent/FR2772051B1/fr not_active Expired - Fee Related
-
1998
- 1998-12-03 PT PT98403036T patent/PT922789E/pt unknown
- 1998-12-03 DE DE69807638T patent/DE69807638T2/de not_active Expired - Fee Related
- 1998-12-03 AT AT98403036T patent/ATE223522T1/de not_active IP Right Cessation
- 1998-12-03 EP EP98403036A patent/EP0922789B1/fr not_active Expired - Lifetime
- 1998-12-03 ES ES98403036T patent/ES2182247T3/es not_active Expired - Lifetime
- 1998-12-08 CA CA002254001A patent/CA2254001C/fr not_active Expired - Fee Related
- 1998-12-09 BR BR9805256-0A patent/BR9805256A/pt not_active IP Right Cessation
- 1998-12-10 NO NO19985785A patent/NO320764B1/no unknown
- 1998-12-10 CN CN98111667A patent/CN1106458C/zh not_active Expired - Fee Related
- 1998-12-10 KR KR1019980054257A patent/KR100282769B1/ko not_active Expired - Fee Related
- 1998-12-10 JP JP10351489A patent/JP3140743B2/ja not_active Expired - Fee Related
- 1998-12-10 US US09/208,586 patent/US6203687B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH11269690A (ja) | 1999-10-05 |
CN1224082A (zh) | 1999-07-28 |
ES2182247T3 (es) | 2003-03-01 |
US6203687B1 (en) | 2001-03-20 |
NO320764B1 (no) | 2006-01-23 |
CA2254001C (fr) | 2002-04-23 |
BR9805256A (pt) | 1999-12-14 |
NO985785L (no) | 1999-06-11 |
FR2772051B1 (fr) | 1999-12-31 |
FR2772051A1 (fr) | 1999-06-11 |
NO985785D0 (no) | 1998-12-10 |
DE69807638D1 (de) | 2002-10-10 |
ATE223522T1 (de) | 2002-09-15 |
EP0922789A1 (fr) | 1999-06-16 |
EP0922789B1 (fr) | 2002-09-04 |
JP3140743B2 (ja) | 2001-03-05 |
DE69807638T2 (de) | 2003-05-22 |
PT922789E (pt) | 2003-01-31 |
CN1106458C (zh) | 2003-04-23 |
CA2254001A1 (fr) | 1999-06-10 |
KR19990062970A (ko) | 1999-07-26 |
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