ATE188394T1 - Verfahren zur herstellung einer wässrigen natriumhydroxidlösung - Google Patents
Verfahren zur herstellung einer wässrigen natriumhydroxidlösungInfo
- Publication number
- ATE188394T1 ATE188394T1 AT97203255T AT97203255T ATE188394T1 AT E188394 T1 ATE188394 T1 AT E188394T1 AT 97203255 T AT97203255 T AT 97203255T AT 97203255 T AT97203255 T AT 97203255T AT E188394 T1 ATE188394 T1 AT E188394T1
- Authority
- AT
- Austria
- Prior art keywords
- sodium hydroxide
- producing
- aqueous sodium
- hydroxide solution
- compartment
- Prior art date
Links
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 title abstract 9
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- 239000012528 membrane Substances 0.000 abstract 4
- 125000002091 cationic group Chemical group 0.000 abstract 3
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 238000000909 electrodialysis Methods 0.000 abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 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
- C25B1/14—Alkali metal compounds
- C25B1/16—Hydroxides
-
- 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
- B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
- B01D61/44—Ion-selective electrodialysis
- B01D61/445—Ion-selective electrodialysis with bipolar membranes; Water splitting
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/38—Purification; Separation by dialysis
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Urology & Nephrology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT96MI002273A IT1287127B1 (it) | 1996-10-31 | 1996-10-31 | Procedimento di fabbricazione di una soluzione acquosa di idrossido di sodio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE188394T1 true ATE188394T1 (de) | 2000-01-15 |
Family
ID=11375136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97203255T ATE188394T1 (de) | 1996-10-31 | 1997-10-17 | Verfahren zur herstellung einer wässrigen natriumhydroxidlösung |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US5888368A (de) |
| EP (1) | EP0839570B1 (de) |
| JP (1) | JPH10152790A (de) |
| AT (1) | ATE188394T1 (de) |
| CA (1) | CA2217792A1 (de) |
| CZ (1) | CZ346297A3 (de) |
| DE (1) | DE69701081T2 (de) |
| ES (1) | ES2143283T3 (de) |
| HU (1) | HU220418B1 (de) |
| IT (1) | IT1287127B1 (de) |
| NO (1) | NO975005L (de) |
| PL (1) | PL322919A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7847344B2 (en) * | 2002-07-08 | 2010-12-07 | Micron Technology, Inc. | Memory utilizing oxide-nitride nanolaminates |
| EP1938406A4 (de) * | 2005-08-25 | 2010-04-21 | Ceramatec Inc | Elektrochemische zelle zur produktion von synthesegas unter verwendung von umgebungsluft und wasser |
| US7604724B2 (en) * | 2007-07-03 | 2009-10-20 | Aristos Energy Inc. | Method for sour gas treatment |
| EP2607313B1 (de) | 2011-12-23 | 2017-12-06 | Solvay SA | Lösungsabbau von erzhaltigem Natriumcarbonat und -bicarbonat |
| EP3966364A4 (de) * | 2019-05-05 | 2024-10-16 | The Governing Council of the University of Toronto | Umwandlung von carbonat in syngas oder -produkte in einer elektrolysezelle |
| WO2021144042A1 (en) | 2020-01-15 | 2021-07-22 | Shell Internationale Research Maatschappij B.V. | Water treatment process |
| KR102656514B1 (ko) * | 2024-02-29 | 2024-04-11 | 한국화학연구원 | 전기투석 스택내에서 알칼리금속 황산염의 처리 및 수소, 황산, 알칼리금속 수산화물과 고부가가치 화합물 동시생산이 가능한 전기화학적 방법 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4238305A (en) * | 1979-10-29 | 1980-12-09 | Allied Chemical Corporation | Electrodialytic process for the conversion of impure soda values to sodium hydroxide and carbon dioxide |
| US4536269A (en) * | 1983-05-02 | 1985-08-20 | Allied Corporation | Multichamber two-compartment electrodialytic water splitter and method of using same for acidification of aqueous soluble salts |
| US4636289A (en) * | 1983-05-02 | 1987-01-13 | Allied Corporation | Solution mining of sodium minerals with acids generated by electrodialytic water splitting |
| US4592817A (en) * | 1984-12-03 | 1986-06-03 | Allied Corporation | Electrodialytic water splitting process for gaseous products |
| BE1005716A3 (fr) * | 1992-03-09 | 1993-12-28 | Solvay | Procede de fabricatiion d'hydroxyde de sodium. |
| BE1006054A3 (fr) * | 1992-07-03 | 1994-05-03 | Solvay | Procede de fabrication d'une solution aqueuse d'hydroxyde de sodium. |
| BE1008471A3 (fr) * | 1994-07-05 | 1996-05-07 | Solvay | Membrane bipolaire et procede de fabrication d'une membrane bipolaire. |
-
1996
- 1996-10-31 IT IT96MI002273A patent/IT1287127B1/it active IP Right Grant
-
1997
- 1997-10-17 ES ES97203255T patent/ES2143283T3/es not_active Expired - Lifetime
- 1997-10-17 AT AT97203255T patent/ATE188394T1/de not_active IP Right Cessation
- 1997-10-17 EP EP97203255A patent/EP0839570B1/de not_active Expired - Lifetime
- 1997-10-17 DE DE69701081T patent/DE69701081T2/de not_active Expired - Fee Related
- 1997-10-28 JP JP9295645A patent/JPH10152790A/ja active Pending
- 1997-10-29 US US08/959,854 patent/US5888368A/en not_active Expired - Fee Related
- 1997-10-30 CA CA002217792A patent/CA2217792A1/fr not_active Abandoned
- 1997-10-30 PL PL97322919A patent/PL322919A1/xx unknown
- 1997-10-30 HU HU9701780A patent/HU220418B1/hu not_active IP Right Cessation
- 1997-10-30 NO NO975005A patent/NO975005L/no not_active Application Discontinuation
- 1997-10-31 CZ CZ973462A patent/CZ346297A3/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HU9701780D0 (en) | 1997-12-29 |
| HUP9701780A3 (en) | 2000-06-28 |
| ITMI962273A1 (it) | 1998-05-01 |
| EP0839570B1 (de) | 2000-01-05 |
| HUP9701780A2 (hu) | 1999-05-28 |
| DE69701081D1 (de) | 2000-02-10 |
| US5888368A (en) | 1999-03-30 |
| CZ346297A3 (cs) | 1998-07-15 |
| NO975005L (no) | 1998-05-04 |
| CA2217792A1 (fr) | 1998-04-30 |
| EP0839570A3 (de) | 1998-05-20 |
| IT1287127B1 (it) | 1998-08-04 |
| ES2143283T3 (es) | 2000-05-01 |
| PL322919A1 (en) | 1998-05-11 |
| DE69701081T2 (de) | 2000-08-24 |
| JPH10152790A (ja) | 1998-06-09 |
| EP0839570A2 (de) | 1998-05-06 |
| HU220418B1 (hu) | 2002-01-28 |
| NO975005D0 (no) | 1997-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |