FR2376855A1 - Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique - Google Patents

Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique

Info

Publication number
FR2376855A1
FR2376855A1 FR7700314A FR7700314A FR2376855A1 FR 2376855 A1 FR2376855 A1 FR 2376855A1 FR 7700314 A FR7700314 A FR 7700314A FR 7700314 A FR7700314 A FR 7700314A FR 2376855 A1 FR2376855 A1 FR 2376855A1
Authority
FR
France
Prior art keywords
distn
maleic anhydride
phthalic anhydride
anhydride
dehydration
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.)
Granted
Application number
FR7700314A
Other languages
English (en)
French (fr)
Other versions
FR2376855B1 (US20080094685A1-20080424-C00004.png
Inventor
Jacques Becuwe
Marc Prablanc
Jean-Michel Elene
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.)
Rhone Poulenc Industries SA
Original Assignee
Rhone Poulenc Industries SA
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 Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Priority to FR7700314A priority Critical patent/FR2376855A1/fr
Publication of FR2376855A1 publication Critical patent/FR2376855A1/fr
Application granted granted Critical
Publication of FR2376855B1 publication Critical patent/FR2376855B1/fr
Granted 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)
FR7700314A 1977-01-07 1977-01-07 Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique Granted FR2376855A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7700314A FR2376855A1 (fr) 1977-01-07 1977-01-07 Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700314A FR2376855A1 (fr) 1977-01-07 1977-01-07 Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique

Publications (2)

Publication Number Publication Date
FR2376855A1 true FR2376855A1 (fr) 1978-08-04
FR2376855B1 FR2376855B1 (US20080094685A1-20080424-C00004.png) 1979-08-24

Family

ID=9185215

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700314A Granted FR2376855A1 (fr) 1977-01-07 1977-01-07 Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique

Country Status (1)

Country Link
FR (1) FR2376855A1 (US20080094685A1-20080424-C00004.png)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2376855B1 (US20080094685A1-20080424-C00004.png) 1979-08-24

Similar Documents

Publication Publication Date Title
SU831076A3 (ru) Способ извлечени окиси этилена изгАзОВОгО пОТОКА
GB1390090A (en) Recovering anhydrous acrylic acid
PL165179B1 (pl) Sposób wytwarzania kwasu tereftalowego o srednim stopniu czystoscioraz sposób wytwarzania kwasu tereftalowego o wysokim stopniu czystosci PL PL
SU1217250A3 (ru) Способ обработки маточного раствора
US3484458A (en) Trimellitic acid production and recovery of intramolecular anhydride
RU2671210C2 (ru) Получение ароматической дикарбоновой кислоты
US5069687A (en) Process of recovery of maleic anhydride from reaction gaseous mixtures
FR2376855A1 (fr) Procede d'obtention d'anhydride maleique a partir des solutions de lavage de la fabrication d'anhydride phtalique
KR20010014093A (ko) 디카르복실산 또는 이의 무수물의 디메틸에스테르를제조하는 방법
SU479281A3 (ru) Способ непрерывного получени малеинового ангидрида
SU1205757A3 (ru) Способ получени терефталевой кислоты
US2393352A (en) Manufacture of fumaric acid
US2518312A (en) Recovery of maleic or phthalic anhydride from wet process gas mixtures
US3721708A (en) Process for the preparation of o-phthalic acid
FI61892C (fi) Ett kontinuerligt foerfarande och anordning foer framstaellning av maleinsyraanhydrid av maleinsyras vattenloesning
US4066713A (en) Process for the addition of organic acids to acetylenic compounds contained in inorganic or organic hydrocarbon streams
ES269417A1 (es) Procedimiento para la limpieza de aparatos que presenta en un depësito de acido maleico, crudo y alquitranes
GB1082572A (en) Production of carboxylic acids
US2989545A (en) Production of maleic anhydride
JPS6056127B2 (ja) 酢酸の回収法
SU923364A3 (ru) Способ получени малеинового ангидрида
US2070503A (en) Method for converting carbon monoxide into formic acid
GB970491A (en) Production of aromatic carboxylic acids
KR820001125B1 (ko) 말레인산에서 무수말레인산을 연속적으로 제조하는 방법
KR830001517B1 (ko) 디메틸 테레프탈레이트의 가수분해에 의한 테레프탈산의 제조방법

Legal Events

Date Code Title Description
ST Notification of lapse