FR2457911A1 - Procede de production de glycol a partir de formaldehyde par electrolyse - Google Patents
Procede de production de glycol a partir de formaldehyde par electrolyseInfo
- Publication number
- FR2457911A1 FR2457911A1 FR8011709A FR8011709A FR2457911A1 FR 2457911 A1 FR2457911 A1 FR 2457911A1 FR 8011709 A FR8011709 A FR 8011709A FR 8011709 A FR8011709 A FR 8011709A FR 2457911 A1 FR2457911 A1 FR 2457911A1
- Authority
- FR
- France
- Prior art keywords
- formaldehyde
- glycol
- production
- electrolysis
- propyleneglycol
- 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.)
- Granted
Links
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
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/29—Coupling reactions
- C25B3/295—Coupling reactions hydrodimerisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
PROCEDE DE PRODUCTION D'UN GLYCOL TEL QUE L'ETHYLENEGLYCOL OU LE PROPYLENEGLYCOL A PARTIR DU FORMALDEHYDE. IL CONSISTE A ELECTROLYSER LE FORMALDEHYDE EN SOLUTION ALCALINE EN UTILISANT COMME CATHODE UNE ELECTRODE DU TYPE CARBONE. PRODUCTION DES GLYCOLS POUR LES UTILISATIONS INDUSTRIELLES NORMALES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6751179A JPS55161080A (en) | 1979-06-01 | 1979-06-01 | Manufacture of glycols |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2457911A1 true FR2457911A1 (fr) | 1980-12-26 |
FR2457911B1 FR2457911B1 (fr) | 1985-07-26 |
Family
ID=13347071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR808011709A Expired FR2457911B1 (fr) | 1979-06-01 | 1980-05-27 | Procede de production de glycol a partir de formaldehyde par electrolyse |
Country Status (6)
Country | Link |
---|---|
US (1) | US4270992A (fr) |
JP (1) | JPS55161080A (fr) |
BE (1) | BE883560A (fr) |
DE (1) | DE3018844A1 (fr) |
FR (1) | FR2457911B1 (fr) |
GB (1) | GB2053273B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4375394A (en) * | 1982-03-11 | 1983-03-01 | Eastman Kodak Company | Electrolytic process for the preparation of ethylene glycol and glycerine |
JPS59107434U (ja) * | 1983-01-11 | 1984-07-19 | 株式会社東海理化電機製作所 | スイツチ構造 |
US4478694A (en) * | 1983-10-11 | 1984-10-23 | Ska Associates | Methods for the electrosynthesis of polyols |
US4517062A (en) * | 1983-11-03 | 1985-05-14 | The Halcon Sd Group, Inc. | Process for the electrochemical synthesis of ethylene glycol from formaldehyde |
JPS62150822U (fr) * | 1986-03-14 | 1987-09-24 | ||
JPS64226U (fr) * | 1987-06-22 | 1989-01-05 | ||
DE3837954A1 (de) * | 1988-11-09 | 1990-05-10 | Basf Ag | Verfahren zur herstellung von dihydroxydionen |
US4950368A (en) * | 1989-04-10 | 1990-08-21 | The Electrosynthesis Co., Inc. | Method for paired electrochemical synthesis with simultaneous production of ethylene glycol |
DE4023255A1 (de) * | 1990-07-21 | 1992-01-23 | Basf Ag | Verfahren zur herstellung von glykolen, insbesondere propylenglykol aus formaldehyd |
EP2985364A1 (fr) * | 2014-08-14 | 2016-02-17 | Basf Se | Procédé de préparation d'alcools par couplage réductive électrochimique |
CN113416977B (zh) * | 2021-06-22 | 2022-12-30 | 中国科学技术大学 | 一种KRu4O8纳米棒材料、其制备方法及其应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE277392C (fr) * | ||||
US3899401A (en) * | 1973-08-25 | 1975-08-12 | Basf Ag | Electrochemical production of pinacols |
US4157286A (en) * | 1978-04-04 | 1979-06-05 | Monsanto Company | Production of 1,2-bis(hydroxyphenyl)ethane-1,2-diols by electrolytic reduction |
-
1979
- 1979-06-01 JP JP6751179A patent/JPS55161080A/ja active Granted
-
1980
- 1980-05-08 US US06/147,959 patent/US4270992A/en not_active Expired - Lifetime
- 1980-05-16 DE DE19803018844 patent/DE3018844A1/de not_active Ceased
- 1980-05-27 FR FR808011709A patent/FR2457911B1/fr not_active Expired
- 1980-05-30 BE BE0/200826A patent/BE883560A/fr not_active IP Right Cessation
- 1980-06-02 GB GB8018039A patent/GB2053273B/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE277392C (fr) * | ||||
US3899401A (en) * | 1973-08-25 | 1975-08-12 | Basf Ag | Electrochemical production of pinacols |
US4157286A (en) * | 1978-04-04 | 1979-06-05 | Monsanto Company | Production of 1,2-bis(hydroxyphenyl)ethane-1,2-diols by electrolytic reduction |
Non-Patent Citations (2)
Title |
---|
CA1974 * |
EXBK/ * |
Also Published As
Publication number | Publication date |
---|---|
DE3018844A1 (de) | 1980-12-11 |
JPS55161080A (en) | 1980-12-15 |
JPS5651234B2 (fr) | 1981-12-03 |
BE883560A (fr) | 1980-12-01 |
FR2457911B1 (fr) | 1985-07-26 |
GB2053273A (en) | 1981-02-04 |
US4270992A (en) | 1981-06-02 |
GB2053273B (en) | 1983-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |