PT1233012E - Processo para o fabrico de anidrido do acido ftalico de acordo com as especificacoes - Google Patents

Processo para o fabrico de anidrido do acido ftalico de acordo com as especificacoes

Info

Publication number
PT1233012E
PT1233012E PT01103224T PT01103224T PT1233012E PT 1233012 E PT1233012 E PT 1233012E PT 01103224 T PT01103224 T PT 01103224T PT 01103224 T PT01103224 T PT 01103224T PT 1233012 E PT1233012 E PT 1233012E
Authority
PT
Portugal
Prior art keywords
anidridal
specifications
manufacture
phthalic acid
column
Prior art date
Application number
PT01103224T
Other languages
English (en)
Inventor
Matthias Kummer
Thomas Ruhl
Walter Disteldorf
Bernd Morsbach
Jarren Peters
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of PT1233012E publication Critical patent/PT1233012E/pt

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
PT01103224T 2001-02-12 2001-02-12 Processo para o fabrico de anidrido do acido ftalico de acordo com as especificacoes PT1233012E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01103224A EP1233012B1 (de) 2001-02-12 2001-02-12 Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid

Publications (1)

Publication Number Publication Date
PT1233012E true PT1233012E (pt) 2003-10-31

Family

ID=8176456

Family Applications (1)

Application Number Title Priority Date Filing Date
PT01103224T PT1233012E (pt) 2001-02-12 2001-02-12 Processo para o fabrico de anidrido do acido ftalico de acordo com as especificacoes

Country Status (6)

Country Link
EP (1) EP1233012B1 (pt)
AT (1) ATE240927T1 (pt)
DE (1) DE50100259D1 (pt)
ES (1) ES2199903T3 (pt)
PT (1) PT1233012E (pt)
SI (1) SI1233012T1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10106664A1 (de) * 2001-02-12 2002-08-14 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid
DE10207460C1 (de) * 2002-01-22 2003-06-05 Lurgi Ag Kolonne zur Aufkonzentration von Phthalsäureanhydrid
DE102005000957A1 (de) * 2005-01-07 2006-07-20 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1768817B1 (de) * 1968-07-03 1972-04-27 Zieren Chemiebau Gmbh Dr A Verfahren zur Reinigung von rohem Phthalsaeureanhydrid durch Destillation
US4008255A (en) * 1973-03-17 1977-02-15 Basf Aktiengesellschaft Recovery of phthalic anhydride
AU564712B2 (en) * 1983-03-16 1987-08-20 Chemische Werke Huls A.G. Method for separating naphthoquinone from phthalic anhydride
DE19939629A1 (de) * 1999-08-20 2001-02-22 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid

Also Published As

Publication number Publication date
EP1233012A1 (de) 2002-08-21
ES2199903T3 (es) 2004-03-01
DE50100259D1 (de) 2003-06-26
SI1233012T1 (en) 2003-10-31
EP1233012B1 (de) 2003-05-21
ATE240927T1 (de) 2003-06-15

Similar Documents

Publication Publication Date Title
WO2008033687A3 (en) Process for producing acrylic acid
BR0304818B1 (pt) processos de produÇço de Ácido carboxÍlico aromÁtico e de controle de quantidades de ferro dissolvido em correntes lÍquidas
ATE469116T1 (de) Verfahren zur kontinuierlichen herstellung von ungesättigten carbonsäureanhydriden
WO2004002926A3 (en) Purification of n,n-dimethylacetamide
WO2004052826A3 (fr) Procede continu de preparation de lactate d'ethyle
BR0204032A (pt) Processo para purificar acroleìna ou propionaldeìdo
DE502005004980D1 (de) Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid
PT1233012E (pt) Processo para o fabrico de anidrido do acido ftalico de acordo com as especificacoes
WO2004054948A8 (de) Verfahren zur herstellung von 1,6-hexandiol
FR2861724B1 (fr) Procede de purification de l'acide (meth)acrylique obtenu par oxydation d'un substrat gazeux
BR0214543A (pt) Processo para isolar trimetilolpropano a partir de uma mistura de reação
BR9810581B1 (pt) processos para a remoção de espécie formaldeìdo de uma mistura orgánica lìquida e para a produção de metacrilato de metila.
BR9906366A (pt) Processo e unidade de destilação de ar com produção de argÈnio
BR0115224B1 (pt) processo para a peparaÇço de Ácido acÉtico.
BR0307450A (pt) Processo contìnuo e instalação para fabricação de mtpa e processo para purificação de acroleìna
FR2822825B1 (fr) Procede de fabrication d'acrylate de 2-ethylhexyle comportant le lavage a l'eau du brut
WO2002083554A3 (de) Verfahren zur herstellung von hochreiner salpetersäure
DE50010982D1 (de) Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid
WO2002064539A3 (de) Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid
BRPI0416962A8 (pt) Método de purificação de ácido (met) acrílico
AR030079A1 (es) Reciclado de las corrientes que contienen nitroxilo a baja temperatura
ATE268321T1 (de) Kontinuierliches isothermes verfahren zur herstellung von mononitrotoluolen in gegenwart vor phosphorsäure
TW200704637A (en) Method for producing acrylic ester
ATE334111T1 (de) Aufreinigung einer rohen säuremischung
WO2002048031A3 (de) Verfahren zur kontinuierlichen herstellung von hydroxylammoniumsalzen