BE806942A - Recuperation d'anhydride maleique avec utilisation d'un milieu non aqueux - Google Patents

Recuperation d'anhydride maleique avec utilisation d'un milieu non aqueux

Info

Publication number
BE806942A
BE806942A BE137433A BE137433A BE806942A BE 806942 A BE806942 A BE 806942A BE 137433 A BE137433 A BE 137433A BE 137433 A BE137433 A BE 137433A BE 806942 A BE806942 A BE 806942A
Authority
BE
Belgium
Prior art keywords
maleic anhydride
aqueous medium
anhydride recovery
recovery
aqueous
Prior art date
Application number
BE137433A
Other languages
English (en)
French (fr)
Inventor
K Katsumoto
W H Lind
Original Assignee
Chevron Res
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 Chevron Res filed Critical Chevron Res
Publication of BE806942A publication Critical patent/BE806942A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treating Waste Gases (AREA)
BE137433A 1972-11-29 1973-11-05 Recuperation d'anhydride maleique avec utilisation d'un milieu non aqueux BE806942A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US310320A US3891680A (en) 1972-11-29 1972-11-29 Maleic anhydride recovery using nonaqueous medium

Publications (1)

Publication Number Publication Date
BE806942A true BE806942A (fr) 1974-03-01

Family

ID=23201980

Family Applications (1)

Application Number Title Priority Date Filing Date
BE137433A BE806942A (fr) 1972-11-29 1973-11-05 Recuperation d'anhydride maleique avec utilisation d'un milieu non aqueux

Country Status (9)

Country Link
US (1) US3891680A (it)
JP (1) JPS4986319A (it)
BE (1) BE806942A (it)
CA (1) CA981686A (it)
DE (1) DE2356815A1 (it)
FR (1) FR2207902B1 (it)
GB (1) GB1417810A (it)
IT (1) IT1002027B (it)
NL (1) NL7316209A (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1456101A (en) * 1974-07-12 1976-11-17 Ucb Sa Process for dehydrating aqueous solutions of maleic acid to maleic anhydride
US4259246A (en) * 1975-12-31 1981-03-31 Chevron Research Company Maleic anhydride production with recycle treatment
US4071540A (en) * 1976-07-08 1978-01-31 Chevron Research Company Anhydride separation process
US4282013A (en) * 1977-11-14 1981-08-04 Chevron Research Company Vacuum pump operation in a maleic anhydride recovery system
IT1163975B (it) * 1979-03-21 1987-04-08 Ftalital Prod Chim Spec Procedimento per separare in modo continuo anidride maleica da gas di processo
JPH01231922A (ja) * 1987-11-20 1989-09-18 Sandoz Ag 溶媒組成物及びそれを使用する方法
IT1253698B (it) * 1990-05-31 1995-08-23 Sisas Spa Procedimento per il recupero di anidride maleica da miscele di reazione
IT1273980B (it) * 1993-02-08 1997-07-14 Sisas Spa Procedimento ed impianto per la purificazione di anidride maleica grezza recuperata da miscele di reazione gassose
IT1269970B (it) * 1994-06-30 1997-04-16 Sisas Spa Procedimento di riciclo di gas esausti nel processo di conversione di n-butano ad anidride maleica
US5670660A (en) * 1994-12-06 1997-09-23 Cook Composites And Polymers Co. Process for collecting airborne anhydrides
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
EP0962438B1 (en) 1998-03-23 2001-06-06 Basf Aktiengesellschaft Process for the preparation of 1,4-butanediol, butyrolactone and tetrahydrofuran.
FR2792551B1 (fr) * 1999-04-20 2001-06-08 Atochem Elf Sa Procede de sulfuration de catalyseurs d'hydrotraitement
NL1015961C2 (nl) * 2000-08-18 2002-02-19 Akzo Nobel Nv Toepassing van een adsorbens voor de verwijdering van vloeibare, gasvormige en/of opgeloste bestanddelen uit een processtroom.
KR101603824B1 (ko) 2010-12-13 2016-03-15 꼰세르 엣세.삐.아. 유기 용매를 사용하여 말레산 무수물을 회수하는 개선된 방법
RU2607762C2 (ru) 2011-05-11 2017-01-10 ХАНТСМЭН ПЕТРОКЕМИКАЛ ЭлЭлСи Усовершенствованный растворитель для извлечения малеинового ангидрида из газового потока

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574644A (en) * 1948-07-06 1951-11-13 Chempatents Inc Recovery of polycarboxylic acid anhydrides

Also Published As

Publication number Publication date
GB1417810A (en) 1975-12-17
NL7316209A (it) 1974-05-31
CA981686A (en) 1976-01-13
FR2207902A1 (it) 1974-06-21
DE2356815A1 (de) 1974-05-30
FR2207902B1 (it) 1976-11-19
IT1002027B (it) 1976-05-20
US3891680A (en) 1975-06-24
JPS4986319A (it) 1974-08-19

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