BE636169A - Procédé pour la purification des glycols - Google Patents
Procédé pour la purification des glycolsInfo
- Publication number
- BE636169A BE636169A BE636169A BE636169A BE636169A BE 636169 A BE636169 A BE 636169A BE 636169 A BE636169 A BE 636169A BE 636169 A BE636169 A BE 636169A BE 636169 A BE636169 A BE 636169A
- Authority
- BE
- Belgium
- Prior art keywords
- glycols
- purification
- Prior art date
Links
- 150000002334 glycols Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/88—Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1962V0023155 DE1198337C2 (de) | 1962-10-18 | 1962-10-18 | Verfahren zur reinigung von glykolen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE636169A true BE636169A (fr) | 1963-12-02 |
Family
ID=7580337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE636169A BE636169A (fr) | 1962-10-18 | 1963-08-14 | Procédé pour la purification des glycols |
Country Status (8)
Country | Link |
---|---|
US (1) | US3311544A (fr) |
AT (1) | AT239206B (fr) |
BE (1) | BE636169A (fr) |
CH (1) | CH429686A (fr) |
DE (1) | DE1198337C2 (fr) |
GB (1) | GB990612A (fr) |
NL (1) | NL299082A (fr) |
SE (1) | SE321669B (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1282632B (de) * | 1966-04-16 | 1968-11-14 | Glanzstoff Ag | Verfahren zur Aufarbeitung von Glykolen, die durch Oxydationsprodukte verunreinigt sind |
US3525774A (en) * | 1967-08-02 | 1970-08-25 | Jefferson Chem Co Inc | Ethylene glycol recovery |
US3489655A (en) * | 1967-12-26 | 1970-01-13 | Celanese Corp | Method of decreasing the odor of 1,3-butylene glycol |
US3970711A (en) * | 1971-07-19 | 1976-07-20 | Ppg Industries, Inc. | Method of producing glycols |
US3929586A (en) * | 1973-05-07 | 1975-12-30 | Organic Chemicals Company Inc | Process for treatment of organic solvent-containing waste sludges |
US4830712A (en) * | 1987-09-29 | 1989-05-16 | Union Carbide Corporation | Process for refining ethylene glycol |
IT1263158B (it) * | 1993-02-05 | 1996-08-01 | Montefibre Spa | Processo per il recupero di residui di fondo colonna prodotti dalla distillazione frazionata del glicole etilenico |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA574079A (fr) * | 1959-04-14 | L. Heath Royden | Epuration de glycol | |
US1903472A (en) * | 1930-04-30 | 1933-04-11 | Kalk Chemische Fabrik Gmbh | Process for the extraction of ethylene glycol or its homologues |
DE866339C (de) * | 1941-11-04 | 1953-02-09 | Henkel & Cie Gmbh | Verfahren zur Abtrennung von hoehermolekularen Alkoholen, Ketonen oder Aldehyden aus Gemischen |
DE919884C (de) * | 1944-04-02 | 1954-11-08 | Basf Ag | Verfharen zur Reinigung von Ionenaustauschern |
DE862151C (de) * | 1949-06-21 | 1953-01-08 | Ruhrchemie Ag | Verfahren zur Abtrennung sauerstoffhaltiger Verbindungen, vorwiegend Carbonsaeuren, aus den Produkten der katalytischen Kohlenoxydhydrierung |
US2788373A (en) * | 1953-05-12 | 1957-04-09 | Union Carbide & Carbon Corp | Ethylene glycol purification |
US2793235A (en) * | 1954-09-27 | 1957-05-21 | Du Pont | Recovery of glycols from polyester production |
-
0
- NL NL299082D patent/NL299082A/xx unknown
-
1962
- 1962-10-18 DE DE1962V0023155 patent/DE1198337C2/de not_active Expired
-
1963
- 1963-08-06 CH CH971763A patent/CH429686A/de unknown
- 1963-08-14 BE BE636169A patent/BE636169A/fr unknown
- 1963-08-22 AT AT674363A patent/AT239206B/de active
- 1963-10-11 GB GB40253/63A patent/GB990612A/en not_active Expired
- 1963-10-15 US US316429A patent/US3311544A/en not_active Expired - Lifetime
- 1963-10-17 SE SE11403/63A patent/SE321669B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1198337B (de) | 1975-10-09 |
AT239206B (de) | 1965-03-25 |
DE1198337C2 (de) | 1975-10-09 |
NL299082A (fr) | |
SE321669B (fr) | 1970-03-16 |
CH429686A (de) | 1967-02-15 |
GB990612A (en) | 1965-04-28 |
US3311544A (en) | 1967-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1520361A (fr) | Procédé pour fabriquer des nouvelles dihalogéno-amino-benzylamines | |
BE636169A (fr) | Procédé pour la purification des glycols | |
FR1506255A (fr) | Procédé pour fabriquer des polyméthylènetétrahydroquinoléines basiquement substituées | |
FR1396197A (fr) | Procédé pour l'épuration de diméthyl-2, 6 phénol | |
FR1397940A (fr) | Procédé d'épuration des mélanges aqueux | |
FR1319025A (fr) | Procédé de déshydrogénation des tétrahydroanthraquinones | |
FR1367276A (fr) | Procédé pour le traitement des filtres | |
FR1383287A (fr) | Procédé de production de 4-sulfanilamidopyrimidines | |
FR1371700A (fr) | Procédé pour la production de polyamides | |
FR1348911A (fr) | Procédé pour la production de polyamides basiques | |
FR1379767A (fr) | Procédé de purification du d(-) thréo-2-dichloroacétamido-1-p-nitrophényl-1-3-propanediol | |
FR1277938A (fr) | Procédé pour la purification de phénanthrène | |
FR1362689A (fr) | Procédé de purification de c-alkylimidazoles | |
FR1367687A (fr) | Procédé de purification de mélanges gazeux | |
FR1275570A (fr) | Procédé de purification de la 1-déhydro-17alpha-méthyl-testostérone | |
FR1320416A (fr) | Procédé de production de dipyrazolopyridines | |
FR1355669A (fr) | Procédé de purification des alcoylarylsulfonates | |
CH404367A (fr) | Procédé de mouture pour céréales | |
BE599551A (fr) | Procédé pour la purification de phénanthrène | |
FR1329241A (fr) | Procédé pour préparer des triamino-triazols | |
FR1434109A (fr) | Procédé pour accroître la pureté des héparinoïdes duodénaux | |
FR1292063A (fr) | Procédé de purification des oléfines | |
FR1329285A (fr) | Procédé pour l'épuration d'oléfines | |
FR1353152A (fr) | Procédé pour la production de thiadiazoles-1-3-4 | |
FR1281166A (fr) | Procédé pour épurer les saccharoesters |