BE720958A - - Google Patents
Info
- Publication number
- BE720958A BE720958A BE720958DA BE720958A BE 720958 A BE720958 A BE 720958A BE 720958D A BE720958D A BE 720958DA BE 720958 A BE720958 A BE 720958A
- Authority
- BE
- Belgium
- Prior art keywords
- glycol
- spent
- ethylene glycol
- water
- distillation
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/20—Dihydroxylic alcohols
- C07C31/202—Ethylene glycol
-
- 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
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
-
- 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
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66867167A | 1967-09-18 | 1967-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE720958A true BE720958A (forum.php) | 1969-03-17 |
Family
ID=24683292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE720958D BE720958A (forum.php) | 1967-09-18 | 1968-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE720958A (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0000159A1 (de) * | 1977-06-24 | 1979-01-10 | BASF Aktiengesellschaft | Verfahren zur Behandlung von Butandiol, das als Kondensat bei der Herstellung von Polybutylenterephthalaten erhalten wurde |
-
1968
- 1968-09-17 BE BE720958D patent/BE720958A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0000159A1 (de) * | 1977-06-24 | 1979-01-10 | BASF Aktiengesellschaft | Verfahren zur Behandlung von Butandiol, das als Kondensat bei der Herstellung von Polybutylenterephthalaten erhalten wurde |
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