FI80727B - Avlaegsnande av klor ur alkalimetallklorid-vattenloesning. - Google Patents
Avlaegsnande av klor ur alkalimetallklorid-vattenloesning. Download PDFInfo
- Publication number
- FI80727B FI80727B FI872232A FI872232A FI80727B FI 80727 B FI80727 B FI 80727B FI 872232 A FI872232 A FI 872232A FI 872232 A FI872232 A FI 872232A FI 80727 B FI80727 B FI 80727B
- Authority
- FI
- Finland
- Prior art keywords
- chlorine
- solution
- alkali metal
- metal chloride
- aqueous
- Prior art date
Links
- 239000000460 chlorine Substances 0.000 claims description 73
- 229910052801 chlorine Inorganic materials 0.000 claims description 73
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 71
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 59
- 239000012528 membrane Substances 0.000 claims description 51
- 239000007864 aqueous solution Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 19
- 230000002209 hydrophobic effect Effects 0.000 claims description 14
- 239000000243 solution Substances 0.000 description 71
- 238000005868 electrolysis reaction Methods 0.000 description 29
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 18
- 238000006298 dechlorination reaction Methods 0.000 description 10
- 239000011780 sodium chloride Substances 0.000 description 9
- -1 polytetrafluoroethylene Polymers 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 238000003795 desorption Methods 0.000 description 5
- 229910021645 metal ion Inorganic materials 0.000 description 5
- 239000010408 film Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000497 Amalgam Inorganic materials 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 2
- 229920000544 Gore-Tex Polymers 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000001804 chlorine Chemical class 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000000382 dechlorinating effect Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/24—Dialysis ; Membrane extraction
- B01D61/246—Membrane extraction
- B01D61/2461—Membrane extraction comprising multiple membrane extraction steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/087—Single membrane modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/30—Polyalkenyl halides
- B01D71/32—Polyalkenyl halides containing fluorine atoms
- B01D71/36—Polytetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
-
- 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
- C25B13/00—Diaphragms; Spacing elements
- C25B13/04—Diaphragms; Spacing elements characterised by the material
- C25B13/08—Diaphragms; Spacing elements characterised by the material based on organic materials
-
- 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
- C25B15/083—Separating products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/38—Hydrophobic membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Water Supply & Treatment (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Filtering Materials (AREA)
- Fire-Extinguishing Compositions (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Claims (11)
1. Förfarande för avklorering av en vattenlösning av en alkalimetallklorid, kännetecknat därav, 5 att vattenlösningen brlngas i kontakt med ytan av ett po-röst membran av ett hydrofobiskt material och en vatten-haltig vätska bringas i kontakt med membranets motsatta yta.
2. Förfarande enligt patentkravet 1, k ä n n e- 10 tecknat därav, att det porösa membranet föreligger i form av en film eller en tunn skiva.
3. Förfarande enligt patentkravet 2, kännetecknat därav, att det porösa membranet i form av en film eller en tunn skiva har en tjocklek av 1-100 pm. 15
4. Förfarande enligt nägot av patentkraven 1-3, kännetecknat därav, att det porösa membranet har en porösitet av 10-90 %.
5. Förfarande enligt nägot av patentkraven 1-4, kännetecknat därav, att det genomföres i en 20 apparatur (1) omfattande ett par avdelningar (11,12), vil-ka är skillda frän varandra med ett poröst membran (10), varvid den första avdelningen är försedd med medel (3) för matning av en klor innehällande vattenlösning av en alka-limetall tili nämnda avdelning och med medel (4) för av-25 lägsnande av en klorfri vattenlösning av alkalimetallen frän nämnda avdelning, och varvid den andra avdelningen är försedd med medel (7) för matning av en vattenhaltig vätska tili nämnda avdelning och medel (6) för avlägsnande av den vattenhaltiga vätskan innehällande klor. 30
6. Förfarande enligt patentkravet 5, känne tecknat därav, att avdelningarna (11,12) har en dimension av 0,2-10 mm i vertikal riktning mot det porösa membranet (10).
7. Förfarande enligt patentkravet 5 eller 7, k ä n-35 netecknat därav, att den klor innehällande vat- i7 80727 tenlösningen av en alkalimetall och den vattenhaltiga vätskan strömmar genom apparaturen (1) motströms.
8. Förfarande enligt nägot av patentkraven 5-7, kännetecknat därav, att det genomföres i en 5 apparatur, vilken innehäller flera par av avdelningar (11,12) och väri den första avdelningen (11) i varje av-delningspar är skilld frän den andra avdelningen (12) i varje avdelningspar medelst ett poröst membran (10).
9. Förfarande enligt patentkravet 8, k ä n n e- 10 tecknat därav, att de första avdelningarna (11) i avdelningsparen är i förbindelse med varandra och att de andra avdelningsparen är i förbindelse med varandra.
10. Förfarande enligt nägot av patentkraven 5-8, kännetecknat därav, att apparaturen har formen 15 av en filterpress.
11. Förfarande enligt nägot av patentkraven 1-11, kännetecknat därav, att den vattenhaltiga vätskan utgöres av en vattenlösning av en alkalimetallklo-rid. 20
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB868612627A GB8612627D0 (en) | 1986-05-23 | 1986-05-23 | Dechlorination of aqueous alkali metal chloride solution |
| GB8612627 | 1986-05-23 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI872232A0 FI872232A0 (fi) | 1987-05-21 |
| FI872232A FI872232A (fi) | 1987-11-24 |
| FI80727B true FI80727B (fi) | 1990-03-30 |
| FI80727C FI80727C (sv) | 1990-07-10 |
Family
ID=10598356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI872232A FI80727C (sv) | 1986-05-23 | 1987-05-21 | Avlägsnande av klor ur alkalimetallklorid-vattenlösning |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4857200A (sv) |
| EP (1) | EP0247748B1 (sv) |
| JP (1) | JPS62283813A (sv) |
| KR (1) | KR940010106B1 (sv) |
| AR (1) | AR241010A1 (sv) |
| AT (1) | ATE74383T1 (sv) |
| AU (1) | AU589772B2 (sv) |
| BR (1) | BR8702648A (sv) |
| CA (1) | CA1308034C (sv) |
| DD (1) | DD266084A5 (sv) |
| DE (1) | DE3777881D1 (sv) |
| FI (1) | FI80727C (sv) |
| GB (2) | GB8612627D0 (sv) |
| IN (1) | IN171100B (sv) |
| NO (1) | NO167258C (sv) |
| NZ (1) | NZ220327A (sv) |
| PL (1) | PL153862B1 (sv) |
| ZA (1) | ZA873390B (sv) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5049233A (en) * | 1990-07-06 | 1991-09-17 | The Graver Company | Recovery of sodium hydroxide and aluminum hydroxide from etching waste |
| CA2043717A1 (en) * | 1990-07-06 | 1992-01-07 | Thomas A. Davis | Recovery of sodium hydroxide and aluminum hydroxide from etching waste |
| CN102602963A (zh) * | 2012-03-12 | 2012-07-25 | 山东建筑大学 | 一种择优取向氯化钠薄膜的制备方法 |
| NL2014797B1 (en) * | 2015-05-12 | 2017-01-27 | Stichting Wetsus European Centre Of Excellence For Sustainable Water Tech | Bio-electrochemical system for recovery of components and/or generating electrical energy from a waste stream and method there for. |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1132164A (en) * | 1965-12-10 | 1968-10-30 | Kimura Entetsu Kagaku Kikai Co | A method for recovering an electrolyte from a highly viscous solution by dialysis, and apparatus therefor |
| US3456112A (en) * | 1967-04-18 | 1969-07-15 | Webb James E | Temperature sensitive capacitor device |
| US3673067A (en) * | 1970-11-23 | 1972-06-27 | Continental Oil Co | Removal of molecular halogen from solution by passage through a membrane |
| US4202772A (en) * | 1977-08-04 | 1980-05-13 | Ionics, Incorporated | Fluid distribution cell module |
| SE7801231L (sv) * | 1978-02-02 | 1979-08-03 | Gambro Ab | Anordning for diffusion av emnen mellan tva fluida atskilda av ett semipermeabelt membran |
| DE2905353A1 (de) * | 1978-02-24 | 1979-09-06 | Corning Glass Works | Hydrophobe anorganische membran |
| JPS551816A (en) * | 1978-06-15 | 1980-01-09 | Mitsubishi Rayon Co Ltd | Vapor-liquid contactor |
| NL7904388A (nl) * | 1978-06-15 | 1979-12-18 | Mitsubishi Rayon Co | Werkwijze en inrichting voor overdracht van gassen. |
| DE2914870A1 (de) * | 1979-04-12 | 1980-10-30 | Hoechst Ag | Verfahren zur entchlorung und kuehlung des anolyten der alkalihalogenid- elektrolyse |
| US4443307A (en) * | 1983-03-21 | 1984-04-17 | Olin Corporation | Reduction of available chlorine in alkali brines |
| JPS6064603A (ja) * | 1984-08-08 | 1985-04-13 | Mitsubishi Rayon Co Ltd | 液々接触方法 |
-
1986
- 1986-05-23 GB GB868612627A patent/GB8612627D0/en active Pending
-
1987
- 1987-05-07 DE DE8787304081T patent/DE3777881D1/de not_active Expired - Fee Related
- 1987-05-07 AT AT87304081T patent/ATE74383T1/de not_active IP Right Cessation
- 1987-05-07 GB GB878710803A patent/GB8710803D0/en active Pending
- 1987-05-07 EP EP87304081A patent/EP0247748B1/en not_active Expired - Lifetime
- 1987-05-12 IN IN413/DEL/87A patent/IN171100B/en unknown
- 1987-05-12 ZA ZA873390A patent/ZA873390B/xx unknown
- 1987-05-14 AU AU72942/87A patent/AU589772B2/en not_active Ceased
- 1987-05-15 NZ NZ220327A patent/NZ220327A/xx unknown
- 1987-05-18 US US07/050,546 patent/US4857200A/en not_active Expired - Fee Related
- 1987-05-21 FI FI872232A patent/FI80727C/sv not_active IP Right Cessation
- 1987-05-22 AR AR307636A patent/AR241010A1/es active
- 1987-05-22 JP JP62124068A patent/JPS62283813A/ja active Pending
- 1987-05-22 KR KR1019870005072A patent/KR940010106B1/ko active IP Right Grant
- 1987-05-22 NO NO872168A patent/NO167258C/no unknown
- 1987-05-22 PL PL1987265843A patent/PL153862B1/pl unknown
- 1987-05-22 DD DD87303038A patent/DD266084A5/de not_active IP Right Cessation
- 1987-05-22 BR BR8702648A patent/BR8702648A/pt not_active Application Discontinuation
- 1987-05-25 CA CA000537940A patent/CA1308034C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| AR241010A1 (es) | 1991-04-30 |
| BR8702648A (pt) | 1988-02-23 |
| AR241010A2 (es) | 1991-04-30 |
| JPS62283813A (ja) | 1987-12-09 |
| NZ220327A (en) | 1990-02-26 |
| FI872232A0 (fi) | 1987-05-21 |
| ATE74383T1 (de) | 1992-04-15 |
| DD266084A5 (de) | 1989-03-22 |
| IN171100B (sv) | 1992-07-18 |
| NO872168L (no) | 1987-11-24 |
| NO872168D0 (no) | 1987-05-22 |
| GB8612627D0 (en) | 1986-07-02 |
| GB8710803D0 (en) | 1987-06-10 |
| ZA873390B (en) | 1988-01-27 |
| US4857200A (en) | 1989-08-15 |
| EP0247748B1 (en) | 1992-04-01 |
| KR880014136A (ko) | 1988-12-23 |
| PL265843A1 (en) | 1988-07-21 |
| FI872232A (fi) | 1987-11-24 |
| NO167258C (no) | 1991-10-23 |
| FI80727C (sv) | 1990-07-10 |
| AU589772B2 (en) | 1989-10-19 |
| EP0247748A1 (en) | 1987-12-02 |
| KR940010106B1 (ko) | 1994-10-21 |
| PL153862B1 (en) | 1991-06-28 |
| NO167258B (no) | 1991-07-15 |
| AU7294287A (en) | 1987-11-26 |
| CA1308034C (en) | 1992-09-29 |
| DE3777881D1 (de) | 1992-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: IMPERIAL CHEMICAL INDUSTRIES PLC |