CA983944A - Maleic anhydride recovery method - Google Patents

Maleic anhydride recovery method

Info

Publication number
CA983944A
CA983944A CA157,921A CA157921A CA983944A CA 983944 A CA983944 A CA 983944A CA 157921 A CA157921 A CA 157921A CA 983944 A CA983944 A CA 983944A
Authority
CA
Canada
Prior art keywords
maleic anhydride
recovery method
anhydride recovery
maleic
recovery
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
CA157,921A
Other languages
English (en)
Other versions
CA157921S (en
Inventor
David M. Marquis
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 CA983944A publication Critical patent/CA983944A/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
CA157,921A 1971-12-17 1972-11-30 Maleic anhydride recovery method Expired CA983944A (en)

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
CA983944A true CA983944A (en) 1976-02-17

Family

ID=22777197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA157,921A Expired CA983944A (en) 1971-12-17 1972-11-30 Maleic anhydride recovery method

Country Status (9)

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

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 (fr) 1998-03-23 2001-06-06 Basf Aktiengesellschaft Procédé pour la préparation de 1,4-butanediol, butyrolactone et 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 (fr) 2010-12-13 2012-06-21 Conser Spa Procédé amélioré de récupération d'anhydride maléique par utilisation de solvant organique
WO2024054352A1 (fr) * 2022-09-09 2024-03-14 Huntsman Petrochemical Llc Récupération d'anhydride maléique

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 (fr) * 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 (fr) 1976-10-29
FR2163495A1 (fr) 1973-07-27
DE2261044A1 (de) 1973-06-20
BE792879A (fr) 1973-03-30
IT971933B (it) 1974-05-10
GB1382739A (en) 1975-02-05
US3818680A (en) 1974-06-25
JPS4867219A (fr) 1973-09-13
NL7216855A (fr) 1973-06-19

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