BE871961A - Procede ameliore pour la production d'alkylene-glycols - Google Patents
Procede ameliore pour la production d'alkylene-glycolsInfo
- Publication number
- BE871961A BE871961A BE191684A BE191684A BE871961A BE 871961 A BE871961 A BE 871961A BE 191684 A BE191684 A BE 191684A BE 191684 A BE191684 A BE 191684A BE 871961 A BE871961 A BE 871961A
- Authority
- BE
- Belgium
- Prior art keywords
- glycols
- alkylene
- production
- improved process
- improved
- Prior art date
Links
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
- C07C29/76—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
- C07C29/82—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation by azeotropic distillation
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 |
|---|---|---|---|
| US05/851,025 US4187153A (en) | 1977-11-14 | 1977-11-14 | Production of alkylene glycols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE871961A true BE871961A (fr) | 1979-05-14 |
Family
ID=25309757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE191684A BE871961A (fr) | 1977-11-14 | 1978-11-13 | Procede ameliore pour la production d'alkylene-glycols |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4187153A (fr) |
| JP (1) | JPS5479213A (fr) |
| BE (1) | BE871961A (fr) |
| DE (1) | DE2849249A1 (fr) |
| FR (1) | FR2408569A1 (fr) |
| GB (1) | GB2007650B (fr) |
| IT (1) | IT1109325B (fr) |
| NL (1) | NL7810594A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3227759A1 (de) * | 1982-07-24 | 1984-01-26 | Rütgerswerke AG, 6000 Frankfurt | Verfahren zur isolierung von basen aus gemischen mit aromatischen kohlenwasserstoffen |
| US4830712A (en) * | 1987-09-29 | 1989-05-16 | Union Carbide Corporation | Process for refining ethylene glycol |
| US4966658A (en) * | 1989-12-27 | 1990-10-30 | Lloyd Berg | Recovery of ethylene glycol from butanediol isomers by azeotropic distillation |
| ES2124928T3 (es) | 1994-04-18 | 1999-02-16 | Basf Ag | Recuperacion de glicoles de fluidos industriales que contienen glicol usados. |
| WO2005032687A2 (fr) * | 2003-09-30 | 2005-04-14 | Clark Arthur F | Procede de separation de composants volatils par distillation dans laquelle intervient une dilution |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA888749A (en) | 1971-12-21 | Halcon International | Process for preparing glycol type carboxylic acid esters | |
| BE548336A (fr) * | ||||
| NL289217A (fr) * | 1962-02-22 | |||
| US4052442A (en) | 1966-01-21 | 1977-10-04 | Kuraray Co., Ltd. | Process for preparing glycol esters |
| US3689535A (en) * | 1968-09-26 | 1972-09-05 | John Kollar | Process for preparing ethylene glycol esters |
| US3778468A (en) * | 1968-09-26 | 1973-12-11 | Halcon International Inc | Process for preparing ethylene glycol esters |
| US3668239A (en) * | 1970-04-23 | 1972-06-06 | Halcon International Inc | Process for preparing glycol esters from olefinically unsaturated compounds |
| US3743672A (en) * | 1970-05-27 | 1973-07-03 | Halcon International Inc | Separation of water in alkylene glycol mono and diester purification by azeotropic distillation |
| US3715389A (en) * | 1971-03-01 | 1973-02-06 | Halcon International Inc | Process for preparing glycol esters from olefinically unsaturated compounds |
| US3809724A (en) * | 1971-09-08 | 1974-05-07 | Halcon International Inc | Preparation and recovery of alkylene glycols |
| US3859368A (en) * | 1971-09-08 | 1975-01-07 | Halcon International Inc | Method of producing polyhydric compounds such as ethylene glycol by disproportionation of its monoacetate |
| US3968175A (en) * | 1971-09-08 | 1976-07-06 | Halcon International, Inc. | Method of producing polyhydric compounds |
| US3770813A (en) * | 1971-10-26 | 1973-11-06 | Halcon International Inc | Process for producing glycol esters |
| US3872164A (en) * | 1973-12-12 | 1975-03-18 | Halcon International Inc | Preparation of glyocol acetates |
| US4021311A (en) * | 1975-09-12 | 1977-05-03 | Halcon International, Inc. | Recovery of alkylene glycols by azeotropic distillation with 1,2,3-trimethyl benzene |
| US4028195A (en) * | 1975-09-12 | 1977-06-07 | Halcon International, Inc. | Recovery of alkylene glycols by distillation with aqueous organic acid |
| US4057471A (en) * | 1975-09-12 | 1977-11-08 | Halcon International, Inc. | Recovery of alkylene glycols |
| US4045294A (en) * | 1975-09-12 | 1977-08-30 | Halcon International, Inc. | Process for the recovery of alkylene glycols |
| US4151048A (en) * | 1977-06-06 | 1979-04-24 | Halcon Research And Development Corporation | Recovery of alkylene glycols by azeotropic distillation |
| NL7810869A (nl) * | 1977-11-14 | 1979-05-16 | Halcon Res & Dev | Verbeterde werkwijze voor het bereiden van meerwaardige hydroxyverbindingen. |
-
1977
- 1977-11-14 US US05/851,025 patent/US4187153A/en not_active Expired - Lifetime
-
1978
- 1978-10-24 NL NL7810594A patent/NL7810594A/xx not_active Application Discontinuation
- 1978-11-13 BE BE191684A patent/BE871961A/fr unknown
- 1978-11-13 FR FR7832006A patent/FR2408569A1/fr not_active Withdrawn
- 1978-11-14 GB GB7844389A patent/GB2007650B/en not_active Expired
- 1978-11-14 IT IT51894/78A patent/IT1109325B/it active
- 1978-11-14 DE DE19782849249 patent/DE2849249A1/de not_active Withdrawn
- 1978-11-14 JP JP14039578A patent/JPS5479213A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1109325B (it) | 1985-12-16 |
| GB2007650B (en) | 1982-04-28 |
| US4187153A (en) | 1980-02-05 |
| GB2007650A (en) | 1979-05-23 |
| FR2408569A1 (fr) | 1979-06-08 |
| DE2849249A1 (de) | 1979-05-17 |
| NL7810594A (nl) | 1979-05-16 |
| JPS5479213A (en) | 1979-06-25 |
| IT7851894A0 (it) | 1978-11-14 |
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