ATE119895T1 - Verfahren zur gewinnung von maleinsäureanhydrid aus reaktionsgasgemischen. - Google Patents

Verfahren zur gewinnung von maleinsäureanhydrid aus reaktionsgasgemischen.

Info

Publication number
ATE119895T1
ATE119895T1 AT91200918T AT91200918T ATE119895T1 AT E119895 T1 ATE119895 T1 AT E119895T1 AT 91200918 T AT91200918 T AT 91200918T AT 91200918 T AT91200918 T AT 91200918T AT E119895 T1 ATE119895 T1 AT E119895T1
Authority
AT
Austria
Prior art keywords
maleic anhydride
reaction gas
gas mixtures
obtaining maleic
obtaining
Prior art date
Application number
AT91200918T
Other languages
English (en)
Inventor
Aldo Bertola
Roberto Ruggieri
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 ATE119895T1 publication Critical patent/ATE119895T1/de

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)
  • Drying Of Gases (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
AT91200918T 1990-05-31 1991-04-18 Verfahren zur gewinnung von maleinsäureanhydrid aus reaktionsgasgemischen. ATE119895T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02050490A IT1253698B (it) 1990-05-31 1990-05-31 Procedimento per il recupero di anidride maleica da miscele di reazione

Publications (1)

Publication Number Publication Date
ATE119895T1 true ATE119895T1 (de) 1995-04-15

Family

ID=11167934

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91200918T ATE119895T1 (de) 1990-05-31 1991-04-18 Verfahren zur gewinnung von maleinsäureanhydrid aus reaktionsgasgemischen.

Country Status (6)

Country Link
US (1) US5069687A (de)
EP (1) EP0459543B1 (de)
AT (1) ATE119895T1 (de)
DE (2) DE459543T1 (de)
ES (1) ES2030379T3 (de)
IT (1) IT1253698B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5631387A (en) * 1995-03-20 1997-05-20 Huntsman Petrochemical Corporation Process for the preparation and recovery of maleic anhydride
CA2243402A1 (en) * 1997-07-22 1999-01-22 Hideo Suwa Process for producing maleic anhydride
BE1012101A6 (fr) * 1998-06-23 2000-05-02 Pantochim Sa Procede de conversion a haut rendement de n-butane en anhydride maleique par recyclage des gaz uses.
DE10119737A1 (de) * 2001-04-23 2002-10-24 Basf Ag Verfahren zur Reinigung eines organischen Lösungsmittels zur Absorption von Maleinsäureanhydrid
PL2595974T3 (pl) * 2010-12-13 2016-09-30 Ulepszony proces odzyskiwania bezwodnika maleinowego z wykorzystaniem rozpuszczalnika organicznego
US8940915B2 (en) 2011-05-11 2015-01-27 Huntsman Petrochemical Llc Solvent for recovery of maleic anhydride from a gas stream
CN103193739A (zh) * 2013-04-16 2013-07-10 北京秦唐工程有限公司 一种去除顺酐系统中轻重杂质的方法
US10454658B2 (en) * 2017-02-28 2019-10-22 Qualcomm Incorporated Narrowband time-division duplex frame structure for narrowband communications
WO2024054352A1 (en) * 2022-09-09 2024-03-14 Huntsman Petrochemical Llc Recovery of maleic anhydride

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891680A (en) * 1972-11-29 1975-06-24 Chevron Res Maleic anhydride recovery using nonaqueous medium
GB1456101A (en) * 1974-07-12 1976-11-17 Ucb Sa Process for dehydrating aqueous solutions of maleic acid to maleic anhydride
CH617930A5 (en) * 1976-04-12 1980-06-30 Lonza Ag Method for preparing maleic anhydride.
US4118403A (en) * 1976-11-18 1978-10-03 Monsanto Company Recovery of maleic anhydride
JPS6054939B2 (ja) * 1977-08-04 1985-12-03 住友化学工業株式会社 粗製アクリル酸の精製方法
DE3207208A1 (de) * 1982-02-27 1983-09-08 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen gewinnung von phthalsaeureanhydrid und maleinsaeureanhydrid aus reaktionsgasen
DE3346134A1 (de) * 1983-12-21 1985-07-04 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen abscheidung von maleinsaeureanhydrid aus gasfoermigen reaktionsgemischen

Also Published As

Publication number Publication date
DE69108102D1 (de) 1995-04-20
DE69108102T2 (de) 1995-07-27
IT1253698B (it) 1995-08-23
US5069687A (en) 1991-12-03
ES2030379T1 (es) 1992-11-01
IT9020504A0 (it) 1990-05-31
EP0459543B1 (de) 1995-03-15
EP0459543A1 (de) 1991-12-04
ES2030379T3 (es) 1995-05-16
IT9020504A1 (it) 1991-12-01
DE459543T1 (de) 1992-08-13

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time