DE69110761D1 - Reiningung von niederen Alkylenoxiden. - Google Patents
Reiningung von niederen Alkylenoxiden.Info
- Publication number
- DE69110761D1 DE69110761D1 DE69110761T DE69110761T DE69110761D1 DE 69110761 D1 DE69110761 D1 DE 69110761D1 DE 69110761 T DE69110761 T DE 69110761T DE 69110761 T DE69110761 T DE 69110761T DE 69110761 D1 DE69110761 D1 DE 69110761D1
- Authority
- DE
- Germany
- Prior art keywords
- cleaning
- lower alkylene
- alkylene oxides
- oxides
- alkylene
- 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 - Fee Related
Links
- 125000002947 alkylene group Chemical group 0.000 title 1
- 238000004140 cleaning Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/32—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Epoxy Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49187490A | 1990-03-12 | 1990-03-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69110761D1 true DE69110761D1 (de) | 1995-08-03 |
DE69110761T2 DE69110761T2 (de) | 1995-11-16 |
Family
ID=23954026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69110761T Expired - Fee Related DE69110761T2 (de) | 1990-03-12 | 1991-03-12 | Reiningung von niederen Alkylenoxiden. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5129996A (de) |
EP (1) | EP0457421B1 (de) |
JP (1) | JP3038351B2 (de) |
DE (1) | DE69110761T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5340446A (en) * | 1992-10-23 | 1994-08-23 | Texaco Chemical Company | Purification of propylene oxide by cosolvent extractive distillation |
US5354431A (en) * | 1993-09-23 | 1994-10-11 | Texaco Chemical Company | Plural stage drying and purification of propylene oxide |
US5354430A (en) * | 1993-10-26 | 1994-10-11 | Texaco Chemical Company | Staged purification of contaminated propylene oxide |
JP3301245B2 (ja) * | 1994-03-24 | 2002-07-15 | 住友化学工業株式会社 | プロピレンオキシドの回収方法 |
US5453160A (en) * | 1994-05-31 | 1995-09-26 | Texaco Chemical Inc. | Use of mixed polyoxypropylene glycols in the extractive distillation of propylene oxide |
US5464505A (en) * | 1994-05-31 | 1995-11-07 | Texaco Chemical Inc. | Use of propylene oxide adducts in the purification of propylene oxide by extractive distillation |
US5620568A (en) | 1996-06-03 | 1997-04-15 | Texaco Chemical, Inc. | Extractive distillation of propylene oxide using propanol |
US6582565B1 (en) * | 2002-01-17 | 2003-06-24 | Eastman Chemical Company | Recovery of 3,4-epoxy-1-butene by extractive distillation |
BRPI0408730B1 (pt) * | 2003-03-18 | 2016-03-22 | Dow Global Technologies Inc | processo e aparelhagem para separar um óxido de propileno purificado |
US7105687B1 (en) | 2005-12-22 | 2006-09-12 | Lyondell Chemical Technology, L.P. | Propylene oxide purification and recovery |
US8207360B2 (en) * | 2010-01-29 | 2012-06-26 | Lyondell Chemical Technology, L.P. | Propylene oxide process |
CN102993128B (zh) * | 2012-11-26 | 2015-01-28 | 中国化学赛鼎宁波工程有限公司 | 从环氧丙烷-二氧化碳共聚物洗涤液中回收环氧丙烷的设备及其方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1204181A (en) * | 1967-01-04 | 1970-09-03 | Ici Ltd | Process for the recovery of propylene oxide |
US3909366A (en) * | 1967-09-07 | 1975-09-30 | Halcon International Inc | Purification of propylene oxide by distillation |
US3578568A (en) * | 1968-11-29 | 1971-05-11 | Atlantic Richfield Co | Purification of low molecular weight epoxides by extractive distillation with a glycol or glycol ether |
JPS512443B2 (de) * | 1971-12-03 | 1976-01-26 | ||
US4402794A (en) * | 1982-05-24 | 1983-09-06 | Atlantic Richfield Company | Purification of butylene oxides by extractive distillation with selected extractive distillation solvents |
JPH02268174A (ja) * | 1989-03-23 | 1990-11-01 | Arco Chem Technol Inc | モノエポキシドの精製 |
-
1991
- 1991-03-12 DE DE69110761T patent/DE69110761T2/de not_active Expired - Fee Related
- 1991-03-12 JP JP3070416A patent/JP3038351B2/ja not_active Expired - Fee Related
- 1991-03-12 EP EP91302062A patent/EP0457421B1/de not_active Expired - Lifetime
- 1991-04-08 US US07/681,794 patent/US5129996A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0457421B1 (de) | 1995-06-28 |
JPH0597831A (ja) | 1993-04-20 |
JP3038351B2 (ja) | 2000-05-08 |
US5129996A (en) | 1992-07-14 |
EP0457421A1 (de) | 1991-11-21 |
DE69110761T2 (de) | 1995-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |