CA1084866A - Process for the production of high purity aqueous alkali hydroxide solution - Google Patents
Process for the production of high purity aqueous alkali hydroxide solutionInfo
- Publication number
- CA1084866A CA1084866A CA256,725A CA256725A CA1084866A CA 1084866 A CA1084866 A CA 1084866A CA 256725 A CA256725 A CA 256725A CA 1084866 A CA1084866 A CA 1084866A
- Authority
- CA
- Canada
- Prior art keywords
- sodium chloride
- concentration
- membrane
- caustic soda
- value
- 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
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title description 10
- 150000008044 alkali metal hydroxides Chemical class 0.000 title description 7
- 229910001854 alkali hydroxide Inorganic materials 0.000 title 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 174
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 173
- 239000011780 sodium chloride Substances 0.000 claims abstract description 87
- 239000012528 membrane Substances 0.000 claims abstract description 77
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 19
- 238000005341 cation exchange Methods 0.000 claims abstract description 18
- 230000000670 limiting effect Effects 0.000 claims abstract description 10
- 229910001415 sodium ion Inorganic materials 0.000 claims abstract description 5
- 238000005342 ion exchange Methods 0.000 claims description 3
- 229920005597 polymer membrane Polymers 0.000 claims description 2
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims 1
- 210000004379 membrane Anatomy 0.000 description 57
- 235000011121 sodium hydroxide Nutrition 0.000 description 54
- 239000000243 solution Substances 0.000 description 27
- 239000007864 aqueous solution Substances 0.000 description 21
- 238000012360 testing method Methods 0.000 description 19
- 230000007423 decrease Effects 0.000 description 10
- 229910001508 alkali metal halide Inorganic materials 0.000 description 9
- 150000008045 alkali metal halides Chemical class 0.000 description 9
- 230000006870 function Effects 0.000 description 9
- 238000013508 migration Methods 0.000 description 8
- 230000005012 migration Effects 0.000 description 8
- 150000004820 halides Chemical class 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 150000001768 cations Chemical class 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 125000000542 sulfonic acid group Chemical group 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000003014 ion exchange membrane Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 238000007792 addition Methods 0.000 description 3
- GANXFQTZEVGPPI-UHFFFAOYSA-N fluorosulfonyloxyethene Chemical compound FS(=O)(=O)OC=C GANXFQTZEVGPPI-UHFFFAOYSA-N 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002843 carboxylic acid group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 241000905957 Channa melasoma Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 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
- 229920000297 Rayon Polymers 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- WICQXESQFGXSKV-UHFFFAOYSA-N disulfuryl fluoride Chemical compound FS(=O)(=O)OS(F)(=O)=O WICQXESQFGXSKV-UHFFFAOYSA-N 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- PTMHPRAIXMAOOB-UHFFFAOYSA-L phosphoramidate Chemical compound NP([O-])([O-])=O PTMHPRAIXMAOOB-UHFFFAOYSA-L 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 125000000565 sulfonamide group Chemical group 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50085777A JPS529700A (en) | 1975-07-15 | 1975-07-15 | Manufacturing method of high purity caustic soda solution |
| JP85777/75 | 1975-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1084866A true CA1084866A (en) | 1980-09-02 |
Family
ID=13868300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA256,725A Expired CA1084866A (en) | 1975-07-15 | 1976-07-09 | Process for the production of high purity aqueous alkali hydroxide solution |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4276130A (enExample) |
| JP (1) | JPS529700A (enExample) |
| BR (1) | BR7604568A (enExample) |
| CA (1) | CA1084866A (enExample) |
| DE (1) | DE2631523C3 (enExample) |
| FR (1) | FR2318240A1 (enExample) |
| GB (1) | GB1543249A (enExample) |
| IT (1) | IT1064602B (enExample) |
| NL (1) | NL168011C (enExample) |
| SE (1) | SE450498B (enExample) |
| SU (1) | SU818493A3 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE32077E (en) * | 1977-06-30 | 1986-02-04 | Oronzio Denora Impianti Elettrochimici S.P.A. | Electrolytic cell with membrane and method of operation |
| JPS5735688A (en) * | 1980-08-13 | 1982-02-26 | Toagosei Chem Ind Co Ltd | Method for electrolysis of potassium chloride brine |
| US4588483A (en) * | 1984-07-02 | 1986-05-13 | Olin Corporation | High current density cell |
| US4722772A (en) * | 1985-01-28 | 1988-02-02 | E. I. Du Pont De Nemours And Company | Process for electrolysis of sulfate-containing brine |
| GB9213220D0 (en) * | 1992-06-22 | 1992-08-05 | Langton Christian M | Ultrasound bone analyser |
| JP2737643B2 (ja) * | 1994-03-25 | 1998-04-08 | 日本電気株式会社 | 電解活性水の生成方法および生成装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB955307A (en) | 1962-01-26 | 1964-04-15 | Pittsburgh Plate Glass Co | Improvements in and relating to the electrolytic production of alkali metal hydroxide and chlorine |
| BE790369A (fr) * | 1971-10-21 | 1973-04-20 | Diamond Shamrock Corp | Procede et appareil pour la preparation d'hydroxydes de metaux alcalins de haute purete dans une cuve electrolytique. |
| US3773634A (en) * | 1972-03-09 | 1973-11-20 | Diamond Shamrock Corp | Control of an olyte-catholyte concentrations in membrane cells |
| US3933603A (en) * | 1973-04-25 | 1976-01-20 | Asahi Kasei Kogyo Kabushiki Kaisha | Electrolysis of alkali metal chloride |
| US3904496A (en) * | 1974-01-02 | 1975-09-09 | Hooker Chemicals Plastics Corp | Electrolytic production of chlorine dioxide, chlorine, alkali metal hydroxide and hydrogen |
-
1975
- 1975-07-15 JP JP50085777A patent/JPS529700A/ja active Pending
-
1976
- 1976-07-09 CA CA256,725A patent/CA1084866A/en not_active Expired
- 1976-07-12 IT IT25226/76A patent/IT1064602B/it active
- 1976-07-13 FR FR7621436A patent/FR2318240A1/fr active Granted
- 1976-07-13 BR BR7604568A patent/BR7604568A/pt unknown
- 1976-07-13 GB GB29079/76A patent/GB1543249A/en not_active Expired
- 1976-07-13 SE SE7607989A patent/SE450498B/xx not_active IP Right Cessation
- 1976-07-14 SU SU762379616A patent/SU818493A3/ru active
- 1976-07-14 DE DE2631523A patent/DE2631523C3/de not_active Expired
- 1976-07-15 NL NLAANVRAGE7607849,A patent/NL168011C/xx not_active IP Right Cessation
-
1979
- 1979-05-25 US US06/042,304 patent/US4276130A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4276130A (en) | 1981-06-30 |
| SU818493A3 (ru) | 1981-03-30 |
| NL168011C (nl) | 1984-10-16 |
| DE2631523C3 (de) | 1985-04-25 |
| DE2631523A1 (de) | 1977-01-20 |
| FR2318240B1 (enExample) | 1979-09-28 |
| JPS529700A (en) | 1977-01-25 |
| NL168011B (nl) | 1981-09-16 |
| SE7607989L (sv) | 1977-01-16 |
| NL7607849A (nl) | 1977-01-18 |
| SE450498B (sv) | 1987-06-29 |
| IT1064602B (it) | 1985-02-25 |
| BR7604568A (pt) | 1977-08-02 |
| GB1543249A (en) | 1979-03-28 |
| DE2631523B2 (de) | 1979-08-23 |
| FR2318240A1 (fr) | 1977-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |