IN178033B - - Google Patents

Info

Publication number
IN178033B
IN178033B IN617MA1990A IN178033B IN 178033 B IN178033 B IN 178033B IN 617MA1990 A IN617MA1990 A IN 617MA1990A IN 178033 B IN178033 B IN 178033B
Authority
IN
India
Prior art keywords
zone
pct
thf
sec
vapor
Prior art date
Application number
Other languages
English (en)
Inventor
Andrew George Hiles
Michael William Marshall Tuck
Original Assignee
Davy Process Tech Ltd
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
Application filed by Davy Process Tech Ltd filed Critical Davy Process Tech Ltd
Publication of IN178033B publication Critical patent/IN178033B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C07D307/08—Preparation of tetrahydrofuran

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Furan Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Glass Compositions (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
IN617MA1990 1989-08-04 1990-07-30 IN178033B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898917864A GB8917864D0 (en) 1989-08-04 1989-08-04 Process

Publications (1)

Publication Number Publication Date
IN178033B true IN178033B (zh) 1997-03-01

Family

ID=10661169

Family Applications (1)

Application Number Title Priority Date Filing Date
IN617MA1990 IN178033B (zh) 1989-08-04 1990-07-30

Country Status (15)

Country Link
US (1) US5310954A (zh)
EP (1) EP0485484B1 (zh)
JP (1) JP2809875B2 (zh)
KR (1) KR0162234B1 (zh)
CN (1) CN1034172C (zh)
AT (1) ATE129495T1 (zh)
AU (1) AU638737B2 (zh)
BR (1) BR9007574A (zh)
CA (1) CA2064561A1 (zh)
DE (1) DE69023243T2 (zh)
ES (1) ES2081373T3 (zh)
GB (1) GB8917864D0 (zh)
IN (1) IN178033B (zh)
MX (1) MX170889B (zh)
WO (1) WO1991001981A1 (zh)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5425854A (en) * 1995-01-17 1995-06-20 Lloyd Berg Separation of methylene chloride from tetrahydrofuran by extractive distillation
US5679117A (en) * 1995-02-08 1997-10-21 Research Octane Inc. Refining process and apparatus
USRE37142E1 (en) 1995-02-08 2001-04-24 Millennium Fuels Usa Llc Refining process and apparatus
USRE37089E1 (en) 1995-02-08 2001-03-13 Millennium Fuels Usa Llc Refining process and apparatus
US5679118A (en) * 1995-02-08 1997-10-21 Research Octane Inc. Refining process and apparatus
ZA973972B (en) * 1996-05-14 1998-03-23 Kvaerner Process Tech Ltd A process for the production of at least one C4 compound selected from butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran.
ZA973971B (en) * 1996-05-15 1998-03-23 Kvaerner Process Tech Ltd A process for the production of at least one C4 compound selected from butane-1,4-diol, gamma-butyrolactone and tetrahydrofuran.
GB9724004D0 (en) 1997-11-13 1998-10-21 Kvaerner Process Tech Ltd Process
GB9724195D0 (en) 1997-11-14 1998-01-14 Kvaerner Process Tech Ltd Process
DE69800886T2 (de) 1998-03-23 2001-10-11 Basf Ag Verfahren zur Herstellung von 1,4-Butandiol, Butyrolacton und Tetrahydrofuran
US6159345A (en) * 1998-11-06 2000-12-12 Mitsubishi Chemical America, Inc. Method and apparatus for recovering and/or recycling solvents
EP1108702A1 (en) * 1999-12-13 2001-06-20 Kvaerner Process Technology Limited Process for the co-production of aliphatic diols and cyclic ethers
DE10021703A1 (de) * 2000-05-04 2001-11-08 Basf Ag Verfahren zur destillativen Trennung von Tetrahydrofuran, gamma-Butyrolacton und/oder 1,4-Butandiol enthaltenden Gemischen
GB0117090D0 (en) * 2001-07-12 2001-09-05 Kvaerner Process Tech Ltd Process
DE102004047201A1 (de) * 2004-09-29 2006-03-30 Basf Ag Verfahren zur destillativen Aufarbeitung von Tetrahydrofuran
CN101195608B (zh) * 2006-12-06 2011-05-11 上海焦化有限公司 一种分离四氢呋喃和1，4-丁二醇的方法和装置
GB0803663D0 (en) * 2008-02-28 2008-04-09 Davy Process Techn Ltd Process
KR101127160B1 (ko) * 2008-10-17 2012-03-20 금호석유화학 주식회사 분리벽형 칼럼을 이용한 공비 혼합물의 분리 방법
US9186599B2 (en) 2010-09-24 2015-11-17 Basf Se Process for isolating tetrahydrofuran
MY157438A (en) * 2010-09-24 2016-06-15 Basf Se Process for the production of tetrahydrofuran
GB201115617D0 (en) 2011-09-09 2011-10-26 Davy Process Techn Ltd Proacess
CN103012332B (zh) * 2012-12-07 2016-03-02 江苏阿尔法药业有限公司 使用填料塔精馏分离四氢呋喃-甲醇-水废溶剂的方法
CN103408513B (zh) * 2013-07-22 2015-04-08 青岛科技大学 高低压双塔精馏分离乙醇和四氢呋喃共沸物系的方法
CN103394209B (zh) * 2013-07-22 2015-07-08 青岛科技大学 低高压双塔精馏分离乙醇和四氢呋喃共沸物系的方法
GB201318175D0 (en) 2013-10-14 2013-11-27 Johnson Matthey Davy Technologies Ltd Process
GB201321611D0 (en) 2013-12-06 2014-01-22 Johnson Matthey Davy Technologies Ltd Process
GB201321627D0 (en) 2013-12-06 2014-01-22 Johnson Matthey Davy Technologies Ltd Process
GB201507234D0 (en) 2015-04-28 2015-06-10 Johnson Matthey Davy Technologies Ltd Process
EP3348551A1 (en) 2017-01-16 2018-07-18 Basf Se Process for preparing an organic heterocyclic compound
CN111943915B (zh) * 2020-08-19 2024-03-29 上海立得催化剂有限公司 一种适用于聚烯烃催化剂生产企业的含醇的四氢呋喃溶液分离系统及其应用
KR102365548B1 (ko) 2021-11-09 2022-02-23 임영주 슬라이드 인출형 치실대를 포함하는 치실기구

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4105667A (en) * 1970-07-17 1978-08-08 Minnesota Mining And Manufacturing Company Imidazole type curing agents
US4175009A (en) * 1977-12-15 1979-11-20 E. I. Du Pont De Nemours And Company Separation of alcohol from tetrahydrofuran
GB8331793D0 (en) * 1983-11-29 1984-01-04 Davy Mckee Ltd Process
JPS6140278A (ja) * 1984-08-01 1986-02-26 Idemitsu Petrochem Co Ltd テトラヒドロフランの製造方法
JPH0655684B2 (ja) * 1984-11-21 1994-07-27 デイビ− マツキ− （ロンドン） リミテツド ブタン−１，４−ジオ−ルの生成方法
GB8514001D0 (en) * 1985-06-04 1985-07-10 Davy Mckee Ltd Process
GB2175894A (en) * 1985-06-04 1986-12-10 Davy Mckee Process for the recovery of gamma-butyrolactone
EP0277168A1 (en) * 1986-08-01 1988-08-10 DAVY McKEE (LONDON) LIMITED PROCESS FOR THE CO-PRODUCTION OF BUTANE-1,4-DIOL AND $i(GAMMA)-BUTYROLACTONE
GB8618890D0 (en) * 1986-08-01 1986-09-10 Davy Mckee Ltd Process
GB8717990D0 (en) * 1987-07-29 1987-09-03 Davy Mckee Ltd Process
GB8717993D0 (en) * 1987-07-29 1987-09-03 Davy Mckee Ltd Process
DE3726805A1 (de) * 1987-08-12 1989-02-23 Basf Ag Verfahren zur destillativen reinigung von tetrahydrofuran

Also Published As

Publication number Publication date
JP2809875B2 (ja) 1998-10-15
MX170889B (es) 1993-09-21
CA2064561A1 (en) 1991-02-05
CN1034172C (zh) 1997-03-05
EP0485484B1 (en) 1995-10-25
DE69023243D1 (de) 1995-11-30
KR920703562A (ko) 1992-12-18
ES2081373T3 (es) 1996-03-01
KR0162234B1 (ko) 1998-12-01
EP0485484A1 (en) 1992-05-20
CN1049339A (zh) 1991-02-20
BR9007574A (pt) 1992-06-30
GB8917864D0 (en) 1989-09-20
AU638737B2 (en) 1993-07-08
JPH04507417A (ja) 1992-12-24
WO1991001981A1 (en) 1991-02-21
ATE129495T1 (de) 1995-11-15
DE69023243T2 (de) 1996-06-05
AU6168890A (en) 1991-03-11
US5310954A (en) 1994-05-10

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