DD156966A5 - Verfahren zur herstellung von hochreinem monoethylenglykol - Google Patents
Verfahren zur herstellung von hochreinem monoethylenglykol Download PDFInfo
- Publication number
- DD156966A5 DD156966A5 DD81227060A DD22706081A DD156966A5 DD 156966 A5 DD156966 A5 DD 156966A5 DD 81227060 A DD81227060 A DD 81227060A DD 22706081 A DD22706081 A DD 22706081A DD 156966 A5 DD156966 A5 DD 156966A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- monoethylene glycol
- column
- water
- columns
- item
- 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
- C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
- C07C29/10—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes
- C07C29/103—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers
- C07C29/106—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of ethers, including cyclic ethers, e.g. oxiranes of cyclic ethers of oxiranes
-
- 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 |
---|---|---|---|
DE19803001727 DE3001727A1 (de) | 1980-01-18 | 1980-01-18 | Verfahren zur herstellung von hochreinem monoethylenglykol |
Publications (1)
Publication Number | Publication Date |
---|---|
DD156966A5 true DD156966A5 (de) | 1982-10-06 |
Family
ID=6092389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD81227060A DD156966A5 (de) | 1980-01-18 | 1981-01-16 | Verfahren zur herstellung von hochreinem monoethylenglykol |
Country Status (7)
Country | Link |
---|---|
US (1) | US4349417A (ja) |
EP (1) | EP0032665B1 (ja) |
JP (1) | JPS56104829A (ja) |
BR (1) | BR8100239A (ja) |
CA (1) | CA1157051A (ja) |
DD (1) | DD156966A5 (ja) |
DE (2) | DE3001727A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0116624B1 (en) * | 1982-08-20 | 1987-04-15 | Buonicore-Cashman Associates, Inc. | Process for olefin oxide detoxification |
US4831196A (en) * | 1982-08-20 | 1989-05-16 | Chemrox, Inc. | Process for olefin oxide detoxification |
FR2564458B1 (fr) * | 1984-05-15 | 1986-09-12 | Atochem | Procede de separation de l'ethyleneglycol sous forme concentree dans un procede de fabrication d'oxyde d'ethylene |
US4647705A (en) * | 1985-08-15 | 1987-03-03 | Basf Corporation | Process for improving the ultraviolet light transmittance of ethylene glycol |
US4812292A (en) * | 1987-10-26 | 1989-03-14 | Joslyn Valve Corporation | Chemical sterilant recovery and conversion |
FR2772380B1 (fr) | 1997-12-12 | 2000-03-10 | Rhodia Chimie Sa | Procede de preparation d'alkylmonohydrogenohalogenosilanes (ahhs) par redistribution puis distillation, dispositif pour la mise en oeuvre de ce procede |
DE19843652A1 (de) | 1998-09-23 | 2000-03-30 | Basf Ag | Verfahren zur Herstellung von hochreinem Monoethylenglykol |
DE19843697A1 (de) * | 1998-09-23 | 2000-03-30 | Basf Ag | Verfahren zur Herstellung von hochreinem Monoethylenglykol |
JP2001031601A (ja) * | 1999-07-14 | 2001-02-06 | Nippon Shokubai Co Ltd | 高純度モノエチレングリコールの製造方法 |
JP2001031600A (ja) * | 1999-07-14 | 2001-02-06 | Nippon Shokubai Co Ltd | 高純度モノエチレングリコールの製法 |
US6437199B1 (en) * | 1999-07-14 | 2002-08-20 | Nippon Shokubai Co., Ltd. | Method for production of high-purity monoethylene glycol |
JP4740432B2 (ja) * | 1999-07-14 | 2011-08-03 | 株式会社日本触媒 | エチレングリコールの精製方法 |
US6187973B1 (en) * | 2000-04-06 | 2001-02-13 | Scientific Design Company, Inc. | Glycol purification |
US6242655B1 (en) * | 2000-07-11 | 2001-06-05 | Scientific Design Company, Inc. | Glycol purification |
CA2469696A1 (en) * | 2003-06-06 | 2004-12-06 | Shell Internationale Research Maatschappij B.V. | Process for the production of alkylene glycols using homogeneous catalysts |
AR064958A1 (es) * | 2007-01-22 | 2009-05-06 | Shell Int Research | Procesos para la produccion de oxido de etileno y glicol de etileno |
WO2010040773A1 (en) * | 2008-10-09 | 2010-04-15 | Shell Internationale Research Maatschappij B.V. | Process for the recovery of monoethylene glycol |
CN106242945A (zh) * | 2008-11-10 | 2016-12-21 | 陶氏技术投资有限公司 | 用于生产低色素二醇的方法 |
JP5101710B2 (ja) * | 2011-01-12 | 2012-12-19 | 株式会社日本触媒 | エチレングリコールの精製方法 |
RU2599828C2 (ru) | 2011-01-31 | 2016-10-20 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Способ получения этиленгликоля |
CN103435446A (zh) * | 2013-08-31 | 2013-12-11 | 安徽淮化股份有限公司 | 一种提高乙二醇成品色度的方法和装置 |
GB201710508D0 (en) * | 2017-06-30 | 2017-08-16 | Johnson Matthey Davy Technologies Ltd | Process |
JP7505199B2 (ja) * | 2020-02-13 | 2024-06-25 | 三菱ケミカル株式会社 | エチレングリコール類の製造方法 |
CN111662162B (zh) * | 2020-05-23 | 2022-08-12 | 安阳化学工业集团有限责任公司 | 一种提高煤制乙二醇紫外透光率所用的添加剂及其利用添加剂制备聚酯级乙二醇的方法 |
CN116514637A (zh) * | 2023-03-10 | 2023-08-01 | 南京化学试剂股份有限公司 | 一种高纯高稳定的乙二醇精制工艺及应用 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3408268A (en) * | 1966-10-27 | 1968-10-29 | Jefferson Chem Co Inc | Recovery of spent glycol by distillation in the presence of water |
US3878055A (en) * | 1970-06-04 | 1975-04-15 | Ppg Industries Inc | Reclamation of spent glycol by distillation in the presence of a catalytic amount of alkali metal hydroxide |
US3970711A (en) * | 1971-07-19 | 1976-07-20 | Ppg Industries, Inc. | Method of producing glycols |
IT972794B (it) * | 1972-12-22 | 1974-05-31 | Sir Soc Italiana Resine Spa | Procedimento perfezionato per la produzione del glicole etilenico |
US3904656A (en) * | 1973-02-13 | 1975-09-09 | Ppg Industries Inc | Process for preparing monoethylene glycol and ethylene oxide |
US4225394A (en) * | 1976-04-14 | 1980-09-30 | Ppg Industries, Inc. | Reclamation of spent glycol by treatment with alkali metal hydroxide and distillation |
IT1063805B (it) * | 1976-11-17 | 1985-02-18 | Snam Progetti | Procedimento per la produzione di glicoli etilenici ad alta purezza |
-
1980
- 1980-01-18 DE DE19803001727 patent/DE3001727A1/de not_active Withdrawn
-
1981
- 1981-01-07 EP EP81100042A patent/EP0032665B1/de not_active Expired
- 1981-01-07 DE DE8181100042T patent/DE3160020D1/de not_active Expired
- 1981-01-09 US US06/223,590 patent/US4349417A/en not_active Expired - Fee Related
- 1981-01-16 DD DD81227060A patent/DD156966A5/de unknown
- 1981-01-16 BR BR8100239A patent/BR8100239A/pt unknown
- 1981-01-16 CA CA000368742A patent/CA1157051A/en not_active Expired
- 1981-01-16 JP JP395881A patent/JPS56104829A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4349417A (en) | 1982-09-14 |
EP0032665A1 (de) | 1981-07-29 |
BR8100239A (pt) | 1981-08-04 |
DE3160020D1 (en) | 1983-02-17 |
JPS56104829A (en) | 1981-08-20 |
EP0032665B1 (de) | 1983-01-12 |
DE3001727A1 (de) | 1981-07-23 |
CA1157051A (en) | 1983-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0032665B1 (de) | Verfahren zur Herstellung von hochreinem Monoethylenglykol | |
EP1893660B1 (de) | Verfahren zur herstellung von polyoxymethylendimethylethern aus methanol und formaldehyd | |
EP1893667B1 (de) | Verfahren zur herstellung von polyoxymethylendimethylethern aus methanol und formaldehyd | |
DE69710092T2 (de) | Verfahren zur ununterbrochenen herstellung von neopentylglykol | |
DE2704500C2 (de) | Verfahren zur Herstellung von Tetrahydrofuran | |
EP1242346B1 (de) | Verfahren zur reinigung von durch hydrierung hergestelltem trimethylolpropan durch kontinuierliche destillation | |
DE2827795A1 (de) | Verfahren zur gewinnung von reinem neopentylglykol | |
DE60013814T2 (de) | Behandlung einer zusammensetzung enthaltend ein trimethylolalkan-bis-monolineares formal | |
DE2054601C3 (de) | Verfahren zur Herstellung von zweiwertigen Alkoholen | |
DE2150657C3 (de) | Verfahren zur Herstellung einer Mischung aus Brenzcatechin und Hydrochinon | |
DE69006356T2 (de) | Verfahren zur herstellung von citral. | |
DE2941386A1 (de) | Verfahren zur herstellung von a-methylsubstituierten carbonylverbindungen | |
DE3403427A1 (de) | Verfahren zur herstellung von 1,4-butandial | |
EP1634862A1 (de) | Verfahren zur Dehydratisierung von 2-Methylpentan-2,4-diol | |
DE2513678C3 (de) | Verfahren zur Herstellung von praktisch ameisensäurefreier Essigsäure | |
DE3013817A1 (de) | Verfahren zur isolierung von monochlor-acetaldehyd | |
DE2724191A1 (de) | Verfahren zur herstellung von aethylenglykol | |
DE2349226A1 (de) | Verfahren zur reinigung von aceton | |
DE2045668C3 (de) | Verfahren zur Gewinnung von reinem 2,2-Dimethylpropandiol-(l,3) | |
DE2514762C3 (de) | Verfahren zur Verarbeitung von bei der Herstellung von Isopren nach dem Dioxanverfahren anfallenden hochsiedenden Nebenprodukten | |
EP0717028A1 (de) | Verfahren und Vorrichtung zur Gewinnung von Ameisensäure | |
DE2322709C3 (de) | Verfahren zur Gewinnung von im wesentlichen wasserfreiem Dioxan | |
DE892440C (de) | Verfahren zur Herstellung von substituierten Glutardialdehyden | |
AT258258B (de) | Verfahren zur Herstellung von reinen, mehrwertigen Alkoholen | |
DE3341907A1 (de) | Verfahren zur aufarbeitung von homologisierungs- und carbonylierungsprodukten |