CA981686A - Maleic anhydride recovery using nonaqueous medium - Google Patents

Maleic anhydride recovery using nonaqueous medium

Info

Publication number
CA981686A
CA981686A CA183,139A CA183139A CA981686A CA 981686 A CA981686 A CA 981686A CA 183139 A CA183139 A CA 183139A CA 981686 A CA981686 A CA 981686A
Authority
CA
Canada
Prior art keywords
maleic anhydride
nonaqueous medium
anhydride recovery
recovery
nonaqueous
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA183,139A
Other languages
English (en)
Other versions
CA183139S (en
Inventor
Kiyoshi Katsumoto
Wilton H. Lind
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology 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 Chevron Research and Technology Co filed Critical Chevron Research and Technology Co
Application granted granted Critical
Publication of CA981686A publication Critical patent/CA981686A/en
Expired legal-status Critical Current

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)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA183,139A 1972-11-29 1973-10-11 Maleic anhydride recovery using nonaqueous medium Expired CA981686A (en)

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
CA981686A true CA981686A (en) 1976-01-13

Family

ID=23201980

Family Applications (1)

Application Number Title Priority Date Filing Date
CA183,139A Expired CA981686A (en) 1972-11-29 1973-10-11 Maleic anhydride recovery using nonaqueous medium

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
EP0316924B1 (en) * 1987-11-20 1992-02-26 Sandoz Ag Solvent composition and process employing same
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
DE69800886T2 (de) 1998-03-23 2001-10-11 Basf Ag Verfahren zur Herstellung von 1,4-Butandiol, Butyrolacton und 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.
BR112013001672B1 (pt) 2010-12-13 2017-11-21 Conser Spa A process for recovering malic acid from a gas-reaction mixture
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
JPS4986319A (it) 1974-08-19
US3891680A (en) 1975-06-24
IT1002027B (it) 1976-05-20
DE2356815A1 (de) 1974-05-30
BE806942A (fr) 1974-03-01
FR2207902A1 (it) 1974-06-21
FR2207902B1 (it) 1976-11-19
GB1417810A (en) 1975-12-17
NL7316209A (it) 1974-05-31

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