FR2540105B1 - Procede pour la purification de solutions aqueuses de glyoxal - Google Patents
Procede pour la purification de solutions aqueuses de glyoxalInfo
- Publication number
- FR2540105B1 FR2540105B1 FR8400782A FR8400782A FR2540105B1 FR 2540105 B1 FR2540105 B1 FR 2540105B1 FR 8400782 A FR8400782 A FR 8400782A FR 8400782 A FR8400782 A FR 8400782A FR 2540105 B1 FR2540105 B1 FR 2540105B1
- Authority
- FR
- France
- Prior art keywords
- purification
- aqueous glyoxal
- glyoxal solutions
- solutions
- aqueous
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3303010 | 1983-01-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2540105A1 FR2540105A1 (fr) | 1984-08-03 |
FR2540105B1 true FR2540105B1 (fr) | 1986-02-14 |
Family
ID=6189549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8400782A Expired FR2540105B1 (fr) | 1983-01-29 | 1984-01-19 | Procede pour la purification de solutions aqueuses de glyoxal |
Country Status (3)
Country | Link |
---|---|
US (1) | US4521632A (fr) |
JP (1) | JPS59141533A (fr) |
FR (1) | FR2540105B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3536263A1 (de) * | 1985-10-11 | 1987-04-16 | Basf Ag | Verfahren zur entfaerbung waessriger glyoxalloesungen |
DE3900379A1 (de) * | 1989-01-09 | 1990-07-12 | Basf Ag | Verfahren zur reinigung waessriger glyoxalloesungen |
CN111606788B (zh) * | 2020-05-27 | 2023-03-17 | 杭州富阳永星化工有限公司 | 乙二醇催化氧化制备乙二醛的后处理系统及后处理方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1154081B (de) * | 1962-02-03 | 1963-09-12 | Basf Ag | Verfahren zum Reinigen von rohen waessrigen Loesungen von Dialdehyden und Diketonen |
US3860656A (en) * | 1972-06-08 | 1975-01-14 | Union Carbide Corp | Purification of glyoxal |
US3860156A (en) * | 1974-04-05 | 1975-01-14 | Frederick R Lawrence | Dressing aid |
DE2428081C3 (de) * | 1974-06-11 | 1981-02-19 | Chemische Werke Huels Ag, 4370 Marl | Kontinuierliches Verfahren zum Reinigen von Glyoxal |
DE2501743C2 (de) * | 1975-01-17 | 1982-07-15 | Haarmann & Reimer Gmbh, 3450 Holzminden | Verfahren zur Abtrennung von Glyoxylsäure aus wässrigen, Glyoxylsäure und Glyoxal enthaltenden Gemischen |
-
1984
- 1984-01-19 FR FR8400782A patent/FR2540105B1/fr not_active Expired
- 1984-01-23 US US06/572,948 patent/US4521632A/en not_active Expired - Lifetime
- 1984-01-27 JP JP59012200A patent/JPS59141533A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2540105A1 (fr) | 1984-08-03 |
US4521632A (en) | 1985-06-04 |
JPS59141533A (ja) | 1984-08-14 |
JPH0461859B2 (fr) | 1992-10-02 |
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