ATE275138T1 - Trennung von 2,5-dihydrofuran und wasser aus ihren mischungen durch extractivdestillation - Google Patents

Trennung von 2,5-dihydrofuran und wasser aus ihren mischungen durch extractivdestillation

Info

Publication number
ATE275138T1
ATE275138T1 AT02717429T AT02717429T ATE275138T1 AT E275138 T1 ATE275138 T1 AT E275138T1 AT 02717429 T AT02717429 T AT 02717429T AT 02717429 T AT02717429 T AT 02717429T AT E275138 T1 ATE275138 T1 AT E275138T1
Authority
AT
Austria
Prior art keywords
dihydrofuran
extractive distillation
mixtures
separation
water
Prior art date
Application number
AT02717429T
Other languages
English (en)
Inventor
Scott Donald Barnicki
Original Assignee
Eastman Chem Co
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 Eastman Chem Co filed Critical Eastman Chem Co
Application granted granted Critical
Publication of ATE275138T1 publication Critical patent/ATE275138T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/26Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D307/28Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
AT02717429T 2001-02-22 2002-02-14 Trennung von 2,5-dihydrofuran und wasser aus ihren mischungen durch extractivdestillation ATE275138T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/791,055 US6353121B1 (en) 2001-02-22 2001-02-22 Separation of 2,5-dihydrofuran from water by extractive distillation
PCT/US2002/004367 WO2002068402A2 (en) 2001-02-22 2002-02-14 Separation of 2,5-dihydrofuran and water from mixtures thereof by extractive distillation

Publications (1)

Publication Number Publication Date
ATE275138T1 true ATE275138T1 (de) 2004-09-15

Family

ID=25152542

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02717429T ATE275138T1 (de) 2001-02-22 2002-02-14 Trennung von 2,5-dihydrofuran und wasser aus ihren mischungen durch extractivdestillation

Country Status (5)

Country Link
US (1) US6353121B1 (de)
EP (1) EP1383755B1 (de)
AT (1) ATE275138T1 (de)
DE (1) DE60201131T2 (de)
WO (1) WO2002068402A2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230295065A1 (en) * 2022-03-16 2023-09-21 New Jersey Institute Of Technology System for Ultrapurification of Organic Solvent

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165536A (en) 1965-01-12 Certificate of correction
GB510949A (de)
GB510365A (en) 1937-02-20 1939-08-01 Voldemar Borsakovsky Improvements in or relating to the preparation of whole meal and products obtained therefrom
US3812158A (en) 1970-12-17 1974-05-21 Petro Tex Chem Corp Preparation of dihydrofuran from 3,4-epoxy-1-butene,3,4-dihydroxy-1-butene,or 1,4-dihydroxy-2-butene
US4231941A (en) 1979-06-25 1980-11-04 E. I. Du Pont De Nemours And Company Synthesis of 2,5-dihydrofuran
US4636284A (en) * 1984-05-18 1987-01-13 English John C Process for the separation of water from a water-containing mixture or azeotrope with an extractant, and for the separation of water from said extractant

Also Published As

Publication number Publication date
DE60201131T2 (de) 2005-09-01
US6353121B1 (en) 2002-03-05
EP1383755A2 (de) 2004-01-28
WO2002068402A2 (en) 2002-09-06
WO2002068402A3 (en) 2003-01-23
DE60201131D1 (de) 2004-10-07
EP1383755B1 (de) 2004-09-01

Similar Documents

Publication Publication Date Title
DE50210198D1 (de) Verfahren zur gewinnung von roh-1,3-butadien durch extraktivdestillation aus einem c4-schnitt
DE59911906D1 (de) Rektifizierkolonne für die extraktivdestillation von eng- oder azeotrop siedenden gemischen
ATE319676T1 (de) Verfahren zur auftrennung von wasserhaltigen rohamingemischen aus der aminsynthese
DE50113177D1 (de) Verfahren und vorrichtung zur destillativen gewinnung von 1,3-reinbutadien aus 1,3-rohbutadien
ATE273268T1 (de) Verfahren zur auftrennung von wasserhaltigen rohamingemischen aus der aminsynthese
DE60321318D1 (de) Gewinnung von delta-9 tetrahydrocannabinol
DK1809663T3 (da) Fremgangsmåde til oprensning af FSH
FI20031642A0 (fi) Oksapuu-uutteiden uusi käyttö
BR0108063A (pt) Processo para epoxidação de olefinas
ATE414069T1 (de) Abtrennung von propylenoxid aus einer propylenoxid und methanol enthaltenden mischung
DE60006151D1 (de) Tocotrienole und geranylgeraniol aus nebenprodukten von bixa orellana
DE60015040D1 (de) Verfahren zur Abscheidung und Rückgewinnung von Öl aus Bohrklein
ATE279414T1 (de) Verfahren zur herstellung von reinem triethylendiamin (teda)
ATE275138T1 (de) Trennung von 2,5-dihydrofuran und wasser aus ihren mischungen durch extractivdestillation
BR0116544A (pt) Processo para preparação de hidroperóxido orgánico contendo um teor reduzido de contaminantes
WO2002076915A3 (en) Purification of difluoromethane
WO2004076408A3 (en) Process
ATE366236T1 (de) Reinigungsverfahren von 1,4-butanediol mononitrat
EA200501175A1 (ru) Способ выделения акрилонитрила или метакрилонитрила
DK1583748T3 (da) Fremgangsmåde til fremstilling af 1,2-dichlorethanfrie krystaller af zonisamid og særdeles rene krystaller af zonisamid
WO2003043960A3 (en) IMPROVED PURIFICATION OF 4, 4'(5')-DI-t-BUTYLCYCLOHEXANO-18-CROWN-6
KR960022431A (ko) 미나리로부터 카페익산을 추출하는 방법
RU2002109490A (ru) Способ разделения C4углеводородных фракций
DE60105451D1 (de) Verfahren zur entfernung von reaktionsnebenprodukten aus dem ablauf einer selektiven hydrierung
TH39016A (th) ขบวนการแยกไดเมทธิลอีเธอร์ และคลอโรมีเทนในของผสม

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties