RU96113048A - METHOD FOR PRODUCING γ-BUTYROLACTON - Google Patents

METHOD FOR PRODUCING γ-BUTYROLACTON

Info

Publication number
RU96113048A
RU96113048A RU96113048/04A RU96113048A RU96113048A RU 96113048 A RU96113048 A RU 96113048A RU 96113048/04 A RU96113048/04 A RU 96113048/04A RU 96113048 A RU96113048 A RU 96113048A RU 96113048 A RU96113048 A RU 96113048A
Authority
RU
Russia
Prior art keywords
conversion
hydrogenation catalyst
catalyst
elements
hydrogen
Prior art date
Application number
RU96113048/04A
Other languages
Russian (ru)
Other versions
RU2138491C1 (en
Inventor
Пинкос Рольф
Фишер Рольф
Original Assignee
Басф Аг
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
Priority claimed from DE4339269A external-priority patent/DE4339269A1/en
Application filed by Басф Аг filed Critical Басф Аг
Publication of RU96113048A publication Critical patent/RU96113048A/en
Application granted granted Critical
Publication of RU2138491C1 publication Critical patent/RU2138491C1/en

Links

Claims (10)

1. Способ получения γ-бутиролактона, отличающийся тем, что осуществляют превращение 2,5-дигидрофурана, или 2,3-дигидрофурана, или смеси обоих дигидрофуранов в газовой фазе в присутствии воды и в присутствии или в отсутствии добавляемого водорода при повышенных температурах на катализаторе гидрирования.1. The method of producing γ-butyrolactone, characterized in that the conversion of 2,5-dihydrofuran, or 2,3-dihydrofuran, or a mixture of both dihydrofurans in the gas phase in the presence of water and in the presence or absence of added hydrogen at elevated temperatures on the catalyst hydrogenation. 2. Способ по п.1, отличающийся тем, что превращение осуществляют в присутствии добавляемого водорода. 2. The method according to claim 1, characterized in that the conversion is carried out in the presence of added hydrogen. 3. Способ по п.1 или 2, отличающийся тем, что превращение осуществляют в присутствии добавляемого водорода, который используют в качестве газа-носителя. 3. The method according to claim 1 or 2, characterized in that the conversion is carried out in the presence of added hydrogen, which is used as a carrier gas. 4. Способ по пп.1 - 3, отличающийся тем, что осуществляют превращение при температуре от 100 до 350oC и под давлением от 0,5 до 50 бар.4. The method according to claims 1 to 3, characterized in that the conversion is carried out at a temperature of from 100 to 350 o C and under a pressure of from 0.5 to 50 bar. 5. Способ по пп.1 - 4, отличающийся тем, что используют катализатор гидрирования, который содержит по крайней мере один элемент из групп Ib, VIb, VIIb и/или VIIIb Периодической системы элементов. 5. The method according to claims 1 to 4, characterized in that the use of a hydrogenation catalyst that contains at least one element from groups Ib, VIb, VIIb and / or VIIIb of the Periodic system of elements. 6. Способ по пп.1 - 5, отличающийся тем, что используют катализатор гидрирования, который наряду с по крайней мере одним элементом из групп Ib, VIb, VIIb и/или VIIIb Периодической системы элементов содержит также по крайней мере один элемент из групп IIb, Ia, IIIa, IVa, Va и/или VIa Периодической системы элементов. 6. The method according to claims 1 to 5, characterized in that the use of a hydrogenation catalyst, which along with at least one element from groups Ib, VIb, VIIb and / or VIIIb of the Periodic system of elements also contains at least one element from groups IIb , Ia, IIIa, IVa, Va and / or VIa of the Periodic system of elements. 7. Способ по пп.1 - 6, отличающийся тем, что используют катализатор гидрирования, который содержит рений. 7. The method according to claims 1 to 6, characterized in that the use of a hydrogenation catalyst that contains rhenium. 8. Способ по пп.1 - 6, отличающийся тем, что используют катализатор гидрирования, который содержит медь. 8. The method according to claims 1 to 6, characterized in that the use of a hydrogenation catalyst that contains copper. 9. Способ по пп.1 - 6, отличающийся тем, что используют катализатор гидрирования, который представляет собой нанесенный катализатор. 9. The method according to claims 1 to 6, characterized in that the use of a hydrogenation catalyst, which is a supported catalyst. 10. Способ по пп.1 и 2, отличающийся тем, что перед началом превращения катализатор гидрирования восстанавливают водородом или содержащим водород газом. 10. The method according to claims 1 and 2, characterized in that before starting the conversion, the hydrogenation catalyst is reduced with hydrogen or a gas containing hydrogen.
RU96113048A 1993-11-18 1996-06-17 γ-BUTYROLACTONE PRODUCTION PROCESS RU2138491C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4339269.5 1993-11-18
DE4339269A DE4339269A1 (en) 1993-11-18 1993-11-18 Process for the production of gamma-butyrolactone
PCT/EP1994/003683 WO1995014010A1 (en) 1993-11-18 1994-11-09 METHOD FOR PREPARING η-BUTYROLACTONE

Publications (2)

Publication Number Publication Date
RU96113048A true RU96113048A (en) 1998-09-27
RU2138491C1 RU2138491C1 (en) 1999-09-27

Family

ID=6502819

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96113048A RU2138491C1 (en) 1993-11-18 1996-06-17 γ-BUTYROLACTONE PRODUCTION PROCESS

Country Status (14)

Country Link
US (1) US5646307A (en)
EP (1) EP0729462B1 (en)
JP (1) JP3411285B2 (en)
KR (1) KR100326495B1 (en)
CN (1) CN1058493C (en)
AT (1) ATE176908T1 (en)
AU (1) AU8141294A (en)
CA (1) CA2176587C (en)
DE (2) DE4339269A1 (en)
ES (1) ES2128030T3 (en)
FI (1) FI962046A0 (en)
RU (1) RU2138491C1 (en)
TW (1) TW360649B (en)
WO (1) WO1995014010A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19636066A1 (en) * 1996-09-05 1998-03-12 Basf Ag Process for the dehydrogenation of 1,4-butanediol to gamma-butyrolactone
JP4483156B2 (en) * 2002-03-28 2010-06-16 三菱化学株式会社 Method for purifying gamma-butyrolactone
KR101103512B1 (en) * 2009-11-25 2012-01-09 에스케이종합화학 주식회사 Process for preparing of n-methyl pyrrolidone from 1,4-butanediol
CN103204835B (en) * 2012-01-13 2015-07-29 中国石油化工股份有限公司 A kind of preparation method of butyrolactone
CN103288786B (en) * 2012-02-29 2015-03-18 中国石油化工股份有限公司 Method for oxidizing tetrahydrofuran
RU2537349C2 (en) * 2013-03-29 2015-01-10 Федеральное государственное бюджетное учреждение науки Институт нефтехимии и катализа Российской академии наук Method of obtaining 3-alkyldihydrofuran--2(3h)-ones
WO2021045153A1 (en) * 2019-09-06 2021-03-11 昭和電工株式会社 Method for producing gamma-butyrolactone and method for producing n-methylpyrrolidone
CN115779957B (en) * 2022-12-10 2024-03-19 南通格瑞凯泰工程技术有限公司 Catalyst for preparing gamma-butyrolactone by low-pressure dehydrogenation of 1, 4-butanediol and application thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1139785A (en) * 1979-09-04 1983-01-18 Johannes A.M. Van Broekhoven Hydrolysis of allyl ethers and ketones thus prepared
RO91930B1 (en) * 1985-03-14 1987-07-01 Institutul De Cercetari Chimice Process for preparing y-butyrolactona
DE3926147A1 (en) * 1989-08-08 1991-02-14 Basf Ag METHOD FOR PRODUCING 2,5-DIHYDROFURANES
US5082956A (en) * 1990-03-08 1992-01-21 Eastman Kodak Company Isomerization of epoxyalkenes to 2,5-dihydrofurans

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