DE69407834T2 - Verfahren und Vorrichtung zur Reinigung des aus gasförmigen Reaktionsgemischen regenerierten rohen Maleinsäureanhydrids - Google Patents

Verfahren und Vorrichtung zur Reinigung des aus gasförmigen Reaktionsgemischen regenerierten rohen Maleinsäureanhydrids

Info

Publication number
DE69407834T2
DE69407834T2 DE69407834T DE69407834T DE69407834T2 DE 69407834 T2 DE69407834 T2 DE 69407834T2 DE 69407834 T DE69407834 T DE 69407834T DE 69407834 T DE69407834 T DE 69407834T DE 69407834 T2 DE69407834 T2 DE 69407834T2
Authority
DE
Germany
Prior art keywords
maleic anhydride
purification
fractionating column
overhead
crude maleic
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 - Lifetime
Application number
DE69407834T
Other languages
English (en)
Other versions
DE69407834D1 (de
Inventor
Roberto Ruggieri
Sergio Conni
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.)
SISAS SpA
Original Assignee
SISAS SpA
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 SISAS SpA filed Critical SISAS SpA
Application granted granted Critical
Publication of DE69407834D1 publication Critical patent/DE69407834D1/de
Publication of DE69407834T2 publication Critical patent/DE69407834T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
DE69407834T 1993-02-08 1994-02-05 Verfahren und Vorrichtung zur Reinigung des aus gasförmigen Reaktionsgemischen regenerierten rohen Maleinsäureanhydrids Expired - Lifetime DE69407834T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI930208A IT1273980B (it) 1993-02-08 1993-02-08 Procedimento ed impianto per la purificazione di anidride maleica grezza recuperata da miscele di reazione gassose

Publications (2)

Publication Number Publication Date
DE69407834D1 DE69407834D1 (de) 1998-02-19
DE69407834T2 true DE69407834T2 (de) 1998-06-04

Family

ID=11364901

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69407834T Expired - Lifetime DE69407834T2 (de) 1993-02-08 1994-02-05 Verfahren und Vorrichtung zur Reinigung des aus gasförmigen Reaktionsgemischen regenerierten rohen Maleinsäureanhydrids

Country Status (5)

Country Link
US (1) US5585502A (de)
EP (1) EP0612714B1 (de)
AT (1) ATE162171T1 (de)
DE (1) DE69407834T2 (de)
IT (1) IT1273980B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5972174A (en) * 1998-01-13 1999-10-26 Huntsman Petrochemical Corporation Process for the purification of maleic anhydride
DE19806038A1 (de) * 1998-02-13 1999-08-19 Basf Ag Verfahren zur Abtrennung von Maleinsäureanhydrid aus maleinsäureanhydridhaltigen Gemischen durch Strippung
US7589217B2 (en) * 2006-04-24 2009-09-15 Sd Lizenzverwertungsgesellschaft Mbh & Co. Kg Yield improvement in the production of maleic anhydride
US8461356B2 (en) * 2007-03-23 2013-06-11 Basf Se Process for obtaining maleic anhydride by distillation
BRPI1006870A2 (pt) 2009-01-12 2016-03-15 Basf Se processo para recuperar componentes de uma mistura de baixo ponto de ebulição

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA722169A (en) * 1965-11-23 F. Vinci Gregory Process for the recovery of maleic anhydride
US2574644A (en) * 1948-07-06 1951-11-13 Chempatents Inc Recovery of polycarboxylic acid anhydrides
GB763339A (en) * 1953-03-23 1956-12-12 Chempatents Inc Improvements in recovery of maleic and phthalic acid anhydrides
US2942005A (en) * 1954-05-24 1960-06-21 Scient Design Co Recovery of phthalic and maleic anhydrides
GB798456A (en) * 1956-04-30 1958-07-23 Monsanto Chemicals Maleic anhydride recovery
US3891680A (en) * 1972-11-29 1975-06-24 Chevron Res Maleic anhydride recovery using nonaqueous medium
US3965123A (en) * 1974-06-10 1976-06-22 Chevron Research Company Maleic anhydride recovery
US4118403A (en) * 1976-11-18 1978-10-03 Monsanto Company Recovery of maleic anhydride
US4364748A (en) * 1977-06-24 1982-12-21 Chevron Research Company Process for recovering maleic anhydride by condensation
DE2750284A1 (de) * 1977-11-10 1979-05-17 Bayer Ag Verfahren zur gewinnung von maleinsaeureanhydrid aus destillationsrueckstaenden
US4282013A (en) * 1977-11-14 1981-08-04 Chevron Research Company Vacuum pump operation in a maleic anhydride recovery system
DE2910385C2 (de) * 1979-03-16 1982-10-21 Davy McKee AG, 6000 Frankfurt Verfahren zur Absaugung von Gasen und Dämpfen im Zuge der Maleinsäureanhydrid-Gewinnung
IT1163975B (it) * 1979-03-21 1987-04-08 Ftalital Prod Chim Spec Procedimento per separare in modo continuo anidride maleica da gas di processo
DE3015988A1 (de) * 1980-04-25 1981-11-05 Akzo Gmbh, 5600 Wuppertal Verfahren zur herstellung bzw. reinigung von di- und polycarbonsaeureanhydriden
DE3346134A1 (de) * 1983-12-21 1985-07-04 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen abscheidung von maleinsaeureanhydrid aus gasfoermigen reaktionsgemischen
US4571426A (en) * 1984-08-31 1986-02-18 Chemische Werke Huls Ag Process for the production of maleic anhydride
DE3504146A1 (de) * 1985-02-07 1986-08-07 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von hochreinem maleinsaeureanhydrid aus rohem maleinsaeureanhydrid
CA2008178C (en) * 1989-01-25 1994-02-08 Harusige Sugawara Process for producing maleic anhydride
IT1253698B (it) * 1990-05-31 1995-08-23 Sisas Spa Procedimento per il recupero di anidride maleica da miscele di reazione

Also Published As

Publication number Publication date
US5585502A (en) 1996-12-17
IT1273980B (it) 1997-07-14
EP0612714A1 (de) 1994-08-31
ITMI930208A1 (it) 1994-08-08
ATE162171T1 (de) 1998-01-15
EP0612714B1 (de) 1998-01-14
DE69407834D1 (de) 1998-02-19
ITMI930208A0 (it) 1993-02-08

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