BE740615A - Préparation de propylène glycol pur - Google Patents
Préparation de propylène glycol purInfo
- Publication number
- BE740615A BE740615A BE740615DA BE740615A BE 740615 A BE740615 A BE 740615A BE 740615D A BE740615D A BE 740615DA BE 740615 A BE740615 A BE 740615A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation
- propylene glycol
- pure propylene
- pure
- glycol
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/19—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with organic hydroperoxides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/32—Separation; Purification
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US77056868A | 1968-10-25 | 1968-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE740615A true BE740615A (fr) | 1970-04-22 |
Family
ID=25089007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE740615D BE740615A (fr) | 1968-10-25 | 1969-10-22 | Préparation de propylène glycol pur |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3574772A (fr) |
| JP (1) | JPS4933170B1 (fr) |
| BE (1) | BE740615A (fr) |
| DE (1) | DE1953856B2 (fr) |
| ES (1) | ES372885A1 (fr) |
| FR (1) | FR2021573A1 (fr) |
| GB (1) | GB1278617A (fr) |
| NL (1) | NL171353C (fr) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49109962U (fr) * | 1973-01-11 | 1974-09-19 | ||
| DE3820040A1 (de) * | 1988-06-13 | 1989-12-14 | Henkel Kgaa | Verfahren und vorrichtung zum abtrennen von propylenglykol |
| DE4130661C1 (fr) * | 1991-09-14 | 1993-05-19 | Dornier Gmbh, 7990 Friedrichshafen, De | |
| US6528665B1 (en) * | 2002-04-03 | 2003-03-04 | Albemarle Corporation | Preventing undesired odor in and/or purifying alkanediols |
| DE10233382A1 (de) * | 2002-07-23 | 2004-01-29 | Basf Ag | Verfahren zur kontinuierlich betriebenen Reindestillation des bei der koppel-produktfreien Synthese von Propylenoxid anfallenden 1.2-Propylenglykols |
| ES2275211T3 (es) * | 2003-02-26 | 2007-06-01 | Shell Internationale Research Maatschappij B.V. | Procedimiento para la preparacion de polieter polioles. |
| KR20060120012A (ko) * | 2003-10-10 | 2006-11-24 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | 폴리에테르 폴리올의 제조방법 |
| AU2007260016A1 (en) * | 2006-06-13 | 2007-12-21 | Shell Internationale Research Maatschappij B.V. | Glycol separation and purification |
| US20080179247A1 (en) * | 2007-01-30 | 2008-07-31 | Eastman Chemical Company | Elimination of Wastewater Treatment System |
| EP2108639A1 (fr) | 2008-04-07 | 2009-10-14 | Shell Internationale Researchmaatschappij B.V. | Procédé pour la préparation de monopropylène glycol |
| DE102009038398A1 (de) | 2009-08-24 | 2011-03-03 | Uhde Gmbh | Verfahren und Vorrichtung zur Herstellung von Alkylenoxiden und von Alkylenglykolen |
| US9233900B2 (en) * | 2012-05-11 | 2016-01-12 | Sumitomo Chemical Company, Limited | Method for producing glycols from oxirane compound |
| CN102898276A (zh) * | 2012-09-29 | 2013-01-30 | 天津大学 | 回收丙二醇釜残液中丙二醇及一缩二丙二醇的方法及装置 |
| US11806701B2 (en) | 2020-06-26 | 2023-11-07 | Lyondell Chemical Technology, L.P. | Use of monopropylene glycol from purge streams in epoxidation catalyst preparation |
-
1968
- 1968-10-25 US US770568A patent/US3574772A/en not_active Expired - Lifetime
-
1969
- 1969-10-13 NL NLAANVRAGE6915440,A patent/NL171353C/xx not_active IP Right Cessation
- 1969-10-22 BE BE740615D patent/BE740615A/fr not_active IP Right Cessation
- 1969-10-24 GB GB52238/69A patent/GB1278617A/en not_active Expired
- 1969-10-24 FR FR6936484A patent/FR2021573A1/fr not_active Withdrawn
- 1969-10-25 ES ES372885A patent/ES372885A1/es not_active Expired
- 1969-10-25 DE DE1953856A patent/DE1953856B2/de not_active Withdrawn
- 1969-10-25 JP JP44085634A patent/JPS4933170B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| ES372885A1 (es) | 1971-11-16 |
| DE1953856A1 (de) | 1970-05-06 |
| NL171353B (nl) | 1982-10-18 |
| US3574772A (en) | 1971-04-13 |
| DE1953856B2 (de) | 1978-10-26 |
| NL6915440A (fr) | 1970-04-28 |
| FR2021573A1 (fr) | 1970-07-24 |
| GB1278617A (en) | 1972-06-21 |
| NL171353C (nl) | 1983-03-16 |
| JPS4933170B1 (fr) | 1974-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: ATLANTIC RICHFIELD CY Effective date: 19861031 |