DD156966A5 - Verfahren zur herstellung von hochreinem monoethylenglykol - Google Patents

Verfahren zur herstellung von hochreinem monoethylenglykol Download PDF

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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
Application number
DD81227060A
Other languages
German (de)
English (en)
Inventor
S Rebsdat
Siegmund Mayer
Josef Alfranseder
Iwo Schaffelhofer
Original Assignee
Hoechst Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6092389&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DD156966(A5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of DD156966A5 publication Critical patent/DD156966A5/de

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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)
DD81227060A 1980-01-18 1981-01-16 Verfahren zur herstellung von hochreinem monoethylenglykol DD156966A5 (de)

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 (pt)
EP (1) EP0032665B1 (pt)
JP (1) JPS56104829A (pt)
BR (1) BR8100239A (pt)
CA (1) CA1157051A (pt)
DD (1) DD156966A5 (pt)
DE (2) DE3001727A1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4831196A (en) * 1982-08-20 1989-05-16 Chemrox, Inc. Process for olefin oxide detoxification
EP0116624B1 (en) * 1982-08-20 1987-04-15 Buonicore-Cashman Associates, 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
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
US6437199B1 (en) * 1999-07-14 2002-08-20 Nippon Shokubai Co., Ltd. Method for production of high-purity monoethylene glycol
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
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
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
WO2010053900A2 (en) * 2008-11-10 2010-05-14 Dow Technology Investments, Llc Process for producing low color glycols
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
CN103339092B (zh) 2011-01-31 2015-10-14 国际壳牌研究有限公司 用于生产乙二醇的方法
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS56104829A (en) 1981-08-20
BR8100239A (pt) 1981-08-04
DE3001727A1 (de) 1981-07-23
EP0032665A1 (de) 1981-07-29
US4349417A (en) 1982-09-14
DE3160020D1 (en) 1983-02-17
CA1157051A (en) 1983-11-15
EP0032665B1 (de) 1983-01-12

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