FR1346194A - épuration de solutions de glyoxal brutes aqueuses - Google Patents
épuration de solutions de glyoxal brutes aqueusesInfo
- Publication number
- FR1346194A FR1346194A FR923473A FR923473A FR1346194A FR 1346194 A FR1346194 A FR 1346194A FR 923473 A FR923473 A FR 923473A FR 923473 A FR923473 A FR 923473A FR 1346194 A FR1346194 A FR 1346194A
- Authority
- FR
- France
- Prior art keywords
- purification
- aqueous crude
- glyoxal solutions
- crude glyoxal
- solutions
- 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
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
-
- 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
- C07C45/002—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by dehydrogenation
-
- 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
- C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB65803A DE1154081B (de) | 1962-02-03 | 1962-02-03 | Verfahren zum Reinigen von rohen waessrigen Loesungen von Dialdehyden und Diketonen |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1346194A true FR1346194A (fr) | 1963-12-13 |
Family
ID=6974914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR923473A Expired FR1346194A (fr) | 1962-02-03 | 1963-02-01 | épuration de solutions de glyoxal brutes aqueuses |
Country Status (4)
Country | Link |
---|---|
US (1) | US3270062A (fr) |
DE (1) | DE1154081B (fr) |
FR (1) | FR1346194A (fr) |
GB (1) | GB1024863A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3948997A (en) * | 1968-05-06 | 1976-04-06 | Laporte Industries Limited | Vapour phase oxidation process |
FR2540105B1 (fr) * | 1983-01-29 | 1986-02-14 | Basf Ag | Procede pour la purification de solutions aqueuses de glyoxal |
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 |
EP2382175B1 (fr) | 2008-12-29 | 2015-02-25 | Basf Se | Procédé de purification de solutions aqueuses de glyoxal |
US8461396B2 (en) | 2010-10-01 | 2013-06-11 | Basf Se | Process for purifying aqueous glyoxal solutions |
EP2621878B1 (fr) | 2010-10-01 | 2016-06-01 | Basf Se | Procédé de purification de solutions aqueuses de glyoxal |
RU2510616C2 (ru) * | 2011-05-12 | 2014-04-10 | Сергей Александрович Сосновский | Способ очистки водного раствора глиоксаля |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB573051A (en) * | 1941-08-30 | 1945-11-05 | American Cyanamid Co | Purification and stabilization of formaldehyde |
DE1034634B (de) * | 1953-05-12 | 1958-07-24 | Dow Chemical Co | Verfahren zur Abtrennung einer starken Saeure aus der waessrigen Loesung eines geloesten organischen Stoffes |
US3079985A (en) * | 1959-09-29 | 1963-03-05 | Ethicon Inc | Process for preparing soluble, sporicidally active solid polyglyoxals |
-
1962
- 1962-02-03 DE DEB65803A patent/DE1154081B/de active Pending
-
1963
- 1963-01-31 US US255223A patent/US3270062A/en not_active Expired - Lifetime
- 1963-01-31 GB GB3946/63A patent/GB1024863A/en not_active Expired
- 1963-02-01 FR FR923473A patent/FR1346194A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3270062A (en) | 1966-08-30 |
DE1154081B (de) | 1963-09-12 |
GB1024863A (en) | 1966-04-06 |
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