ATE162171T1 - 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: ATE162171T1
Authority: AT; Austria
Prior art keywords: maleic anhydride; purification; fractionating column; overhead; regenerated
Prior art date: 1993-02-08

Application number

AT94200221T

Other languages

English (en)

Inventor

Roberto Ruggieri

Sergio Conni

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.)

1993-02-08

Filing date

1994-02-05

Publication date

1998-01-15

1994-02-05 Application filed by Sisas Spa filed Critical Sisas Spa

1998-01-15 Application granted granted Critical

1998-01-15 Publication of ATE162171T1 publication Critical patent/ATE162171T1/de

Links

FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 title abstract 4
238000000034 method Methods 0.000 title abstract 2
239000011541 reaction mixture Substances 0.000 title abstract 2
238000000746 purification Methods 0.000 abstract 6
238000010521 absorption reaction Methods 0.000 abstract 3
239000003960 organic solvent Substances 0.000 abstract 2
SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 abstract 1
238000009825 accumulation Methods 0.000 abstract 1
238000005194 fractionation Methods 0.000 abstract 1
239000007791 liquid phase Substances 0.000 abstract 1
VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 abstract 1
239000011976 maleic acid Substances 0.000 abstract 1
230000003647 oxidation Effects 0.000 abstract 1
238000007254 oxidation reaction Methods 0.000 abstract 1
VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1

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)

AT94200221T 1993-02-08 1994-02-05 Verfahren und vorrichtung zur reinigung des aus gasförmigen reaktionsgemischen regenerierten rohen maleinsäureanhydrids ATE162171T1 (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 (1)

Publication Number	Publication Date
ATE162171T1 true ATE162171T1 (de)	1998-01-15

Family

ID=11364901

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT94200221T ATE162171T1 (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
CN101675022B (zh) *	2007-03-23	2013-01-23	巴斯夫欧洲公司	通过蒸馏获得马来酸酐的方法
KR20110110303A (ko)	2009-01-12	2011-10-06	바스프 에스이	폴리메틸올의 제조 방법

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

1993
- 1993-02-08 IT ITMI930208A patent/IT1273980B/it active IP Right Grant
- 1993-07-09 US US08/087,854 patent/US5585502A/en not_active Expired - Lifetime
1994
- 1994-02-05 AT AT94200221T patent/ATE162171T1/de active
- 1994-02-05 DE DE69407834T patent/DE69407834T2/de not_active Expired - Lifetime
- 1994-02-05 EP EP94200221A patent/EP0612714B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ITMI930208A0 (it)	1993-02-08
IT1273980B (it)	1997-07-14
DE69407834T2 (de)	1998-06-04
US5585502A (en)	1996-12-17
EP0612714B1 (de)	1998-01-14
ITMI930208A1 (it)	1994-08-08
DE69407834D1 (de)	1998-02-19
EP0612714A1 (de)	1994-08-31

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Legal Events

Date	Code	Title	Description
1998-07-15	UEP	Publication of translation of european patent specification