ES2030379T3 - Procedimiento de recuperacion del anhidrido maleico de mezclas gaseosas de reaccion. - Google Patents

Procedimiento de recuperacion del anhidrido maleico de mezclas gaseosas de reaccion.

Info

Publication number
ES2030379T3
ES2030379T3 ES91200918T ES91200918T ES2030379T3 ES 2030379 T3 ES2030379 T3 ES 2030379T3 ES 91200918 T ES91200918 T ES 91200918T ES 91200918 T ES91200918 T ES 91200918T ES 2030379 T3 ES2030379 T3 ES 2030379T3
Authority
ES
Spain
Prior art keywords
maleic anhydride
recovery
procedure
reaction mixtures
gaseous reaction
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
ES91200918T
Other languages
English (en)
Other versions
ES2030379T1 (es
Inventor
Aldo Bertola
Roberto Ruggieri
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
Publication of ES2030379T1 publication Critical patent/ES2030379T1/es
Application granted granted Critical
Publication of ES2030379T3 publication Critical patent/ES2030379T3/es
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

Abstract

EN EL PROCESO DE RECUPERACION DE ANHIDRIDO MALEICO A PARTIR DE MEZCLAS GASEOSAS DE REACCION A TRAVES DE LA ABSORCION POR UN SOLVENTE ORGANICO Y LA SEPARACION DEL ANHIDRIDO MALEICO DEL SOLVENTE ENRIQUECIDO RESULTANTE , ANTES DE LA SEPARACION EL SOLVENTE ENRIQUECIDO SE DESHIDRATA PARA REDUCIR SU CONTENIDO DE AGUA.
ES91200918T 1990-05-31 1991-04-18 Procedimiento de recuperacion del anhidrido maleico de mezclas gaseosas de reaccion. Expired - Lifetime ES2030379T3 (es)

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 (2)

Publication Number Publication Date
ES2030379T1 ES2030379T1 (es) 1992-11-01
ES2030379T3 true ES2030379T3 (es) 1995-05-16

Family

ID=11167934

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91200918T Expired - Lifetime ES2030379T3 (es) 1990-05-31 1991-04-18 Procedimiento de recuperacion del anhidrido maleico de mezclas gaseosas de reaccion.

Country Status (6)

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

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
WO2012081043A1 (en) 2010-12-13 2012-06-21 Conser Spa An improved process for recovery of maleic anhydride by using organic solvent
KR20140015418A (ko) 2011-05-11 2014-02-06 헌츠만 페트로케미칼 엘엘씨 가스 스트림으로부터 말레산 무수물을 회수하기 위한 개량된 용매
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
US10454657B2 (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
EP0459543B1 (en) 1995-03-15
DE459543T1 (de) 1992-08-13
EP0459543A1 (en) 1991-12-04
ES2030379T1 (es) 1992-11-01
IT1253698B (it) 1995-08-23
DE69108102D1 (de) 1995-04-20
IT9020504A0 (it) 1990-05-31
DE69108102T2 (de) 1995-07-27
IT9020504A1 (it) 1991-12-01
US5069687A (en) 1991-12-03
ATE119895T1 (de) 1995-04-15

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