BE792879A - Procede d'isolement de l'anhydride maleique - Google Patents

Procede d'isolement de l'anhydride maleique

Info

Publication number
BE792879A
BE792879A BE792879DA BE792879A BE 792879 A BE792879 A BE 792879A BE 792879D A BE792879D A BE 792879DA BE 792879 A BE792879 A BE 792879A
Authority
BE
Belgium
Prior art keywords
maleic anhydride
isolation process
isolation
maleic
anhydride
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
D M Marquis
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.)
Publication date
Publication of BE792879A publication Critical patent/BE792879A/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
BE792879D 1971-12-17 Procede d'isolement de l'anhydride maleique BE792879A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00209069A US3818680A (en) 1971-12-17 1971-12-17 Maleic anhydride recovery method

Publications (1)

Publication Number Publication Date
BE792879A true BE792879A (fr) 1973-03-30

Family

ID=22777197

Family Applications (1)

Application Number Title Priority Date Filing Date
BE792879D BE792879A (fr) 1971-12-17 Procede d'isolement de l'anhydride maleique

Country Status (9)

Country Link
US (1) US3818680A (xx)
JP (1) JPS4867219A (xx)
BE (1) BE792879A (xx)
CA (1) CA983944A (xx)
DE (1) DE2261044A1 (xx)
FR (1) FR2163495B1 (xx)
GB (1) GB1382739A (xx)
IT (1) IT971933B (xx)
NL (1) NL7216855A (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3948623A (en) * 1972-08-29 1976-04-06 Chevron Research Company Anhydride separation
US4364748A (en) * 1977-06-24 1982-12-21 Chevron Research Company Process for recovering maleic anhydride by condensation
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
DE3504146A1 (de) * 1985-02-07 1986-08-07 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid
US4941895A (en) * 1989-08-23 1990-07-17 Amoco Corporation Process for the continuous separation of maleic anhydride from process gases
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
US5972174A (en) * 1998-01-13 1999-10-26 Huntsman Petrochemical Corporation Process for the purification of maleic anhydride
EP0962438B1 (en) 1998-03-23 2001-06-06 Basf Aktiengesellschaft Process for the preparation of 1,4-butanediol, butyrolactone and tetrahydrofuran.
US8461356B2 (en) 2007-03-23 2013-06-11 Basf Se Process for obtaining maleic anhydride by distillation
US8933277B2 (en) 2009-01-12 2015-01-13 Basf Se Process for preparing polymethylols
WO2012081043A1 (en) 2010-12-13 2012-06-21 Conser Spa An improved process for recovery of maleic anhydride by using organic solvent
WO2024054352A1 (en) * 2022-09-09 2024-03-14 Huntsman Petrochemical Llc Recovery of maleic anhydride

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2294130A (en) * 1935-12-02 1942-08-25 Solvay Process Co Manufacture of dicarboxylic acid anhydride
US2140140A (en) * 1936-11-30 1938-12-13 Nat Aniline & Chem Co Inc Recovery of maleic anhydride
US2574644A (en) * 1948-07-06 1951-11-13 Chempatents Inc Recovery of polycarboxylic acid anhydrides
BE547079A (xx) * 1955-04-20
DE1274107B (de) * 1965-02-05 1968-08-01 Gelsenberg Benzin Ag Verfahren zur Reinigung von Pyromellithsaeuredianhydrid

Also Published As

Publication number Publication date
FR2163495B1 (xx) 1976-10-29
FR2163495A1 (xx) 1973-07-27
DE2261044A1 (de) 1973-06-20
CA983944A (en) 1976-02-17
IT971933B (it) 1974-05-10
GB1382739A (en) 1975-02-05
US3818680A (en) 1974-06-25
JPS4867219A (xx) 1973-09-13
NL7216855A (xx) 1973-06-19

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