WO2002064539A3 - Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid - Google Patents

Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid Download PDF

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Publication number
WO2002064539A3
WO2002064539A3 PCT/EP2002/001196 EP0201196W WO02064539A3 WO 2002064539 A3 WO2002064539 A3 WO 2002064539A3 EP 0201196 W EP0201196 W EP 0201196W WO 02064539 A3 WO02064539 A3 WO 02064539A3
Authority
WO
WIPO (PCT)
Prior art keywords
phthalic anhydride
column
production
withdrawal
head
Prior art date
Application number
PCT/EP2002/001196
Other languages
English (en)
French (fr)
Other versions
WO2002064539A2 (de
Inventor
Walter Disteldorf
Jarren Peters
Bernd Morsbach
Matthias Kummer
Thomas Ruehl
Original Assignee
Basf Ag
Walter Disteldorf
Jarren Peters
Bernd Morsbach
Matthias Kummer
Thomas Ruehl
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, Walter Disteldorf, Jarren Peters, Bernd Morsbach, Matthias Kummer, Thomas Ruehl filed Critical Basf Ag
Priority to KR10-2003-7010541A priority Critical patent/KR20030078907A/ko
Priority to AU2002244704A priority patent/AU2002244704A1/en
Priority to JP2002564475A priority patent/JP2004517962A/ja
Priority to MXPA03006520A priority patent/MXPA03006520A/es
Priority to US10/467,236 priority patent/US20040060809A1/en
Publication of WO2002064539A2 publication Critical patent/WO2002064539A2/de
Publication of WO2002064539A3 publication Critical patent/WO2002064539A3/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/87—Benzo [c] furans; Hydrogenated benzo [c] furans
    • C07D307/89—Benzo [c] furans; Hydrogenated benzo [c] furans with two oxygen atoms directly attached in positions 1 and 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • 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
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225—Dual-flow sieve trays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid durch destillacive Reinigung von rohem Phthalsäurean hydrid, wobei man rohes Phthalsäureanhydrid einer Destillations. kolonne, die bei vermindertem Druck betrieben wird, zuführt, die Leichtsieder am Kopf oder in der Nähe des Kopfes der Destillationskolonne und das spezifikationsgerechte Phthalsäureanhydrid über einen Seitenabzug aus der Kolonne entnimmt, indem man die Kolonne bei einern Rücklaufverhältnis x mit 1 : 1,7 < x < 1 : 3 betreibt.
PCT/EP2002/001196 2001-02-12 2002-02-06 Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid WO2002064539A2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR10-2003-7010541A KR20030078907A (ko) 2001-02-12 2002-02-06 규격에 따른 프탈산 무수물의 제조 방법
AU2002244704A AU2002244704A1 (en) 2001-02-12 2002-02-06 Method for the production of phthalic anhydride to a specification
JP2002564475A JP2004517962A (ja) 2001-02-12 2002-02-06 規格に適合した無水フタル酸を製造する方法
MXPA03006520A MXPA03006520A (es) 2001-02-12 2002-02-06 Procedimiento para la obtencion de anhidrido de acido ftalico conforme a la especificacion.
US10/467,236 US20040060809A1 (en) 2001-02-12 2002-02-06 Method for the production of phthalic anhydride to a specification

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10106664A DE10106664A1 (de) 2001-02-12 2001-02-12 Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid
DE10106664.3 2001-02-12

Publications (2)

Publication Number Publication Date
WO2002064539A2 WO2002064539A2 (de) 2002-08-22
WO2002064539A3 true WO2002064539A3 (de) 2002-11-21

Family

ID=7673900

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/001196 WO2002064539A2 (de) 2001-02-12 2002-02-06 Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid

Country Status (9)

Country Link
US (1) US20040060809A1 (de)
JP (1) JP2004517962A (de)
KR (1) KR20030078907A (de)
CN (1) CN1527826A (de)
AU (1) AU2002244704A1 (de)
DE (1) DE10106664A1 (de)
MX (1) MXPA03006520A (de)
TW (1) TWI229071B (de)
WO (1) WO2002064539A2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005000957A1 (de) * 2005-01-07 2006-07-20 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid
CN104496950B (zh) * 2014-11-27 2017-03-22 上海沃凯生物技术有限公司 一种提升工业邻苯二甲酸酐品质的方法
CN110015954A (zh) * 2019-01-31 2019-07-16 武汉有机实业有限公司 食品添加剂苯甲酸钠的生产方法
CN110665450B (zh) * 2019-09-30 2021-05-18 东营市科德化工有限公司 一种顺酐生产中轻组分脱除装置
BE1030125B1 (nl) * 2021-12-28 2023-07-26 De Neef Chemical Proc N V Batch-destillatiewerkwijze en batch-destillatiekolom met zij-afvoerpunt

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540987A (en) * 1967-07-07 1970-11-17 Metallgesellschaft Ag Purification of phthalic anhydride by batch distillation,accumulation and continuous distillation
US3699008A (en) * 1968-07-03 1972-10-17 Zieren Chemiebau Gmbh Dr A Process for the purification of crude phthalic anhydride by plural stage vacuum distillation with side stream product recovery
US4008255A (en) * 1973-03-17 1977-02-15 Basf Aktiengesellschaft Recovery of phthalic anhydride
US4547578A (en) * 1983-03-16 1985-10-15 Chemische Werke Huls Aktiengesellschaft Process for removing naphthoquinone from phthalic anhydride produced through air oxidation of naphthalene
DE19939629A1 (de) * 1999-08-20 2001-02-22 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid
EP1233012A1 (de) * 2001-02-12 2002-08-21 Basf Aktiengesellschaft Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3540987A (en) * 1967-07-07 1970-11-17 Metallgesellschaft Ag Purification of phthalic anhydride by batch distillation,accumulation and continuous distillation
US3699008A (en) * 1968-07-03 1972-10-17 Zieren Chemiebau Gmbh Dr A Process for the purification of crude phthalic anhydride by plural stage vacuum distillation with side stream product recovery
US4008255A (en) * 1973-03-17 1977-02-15 Basf Aktiengesellschaft Recovery of phthalic anhydride
US4547578A (en) * 1983-03-16 1985-10-15 Chemische Werke Huls Aktiengesellschaft Process for removing naphthoquinone from phthalic anhydride produced through air oxidation of naphthalene
DE19939629A1 (de) * 1999-08-20 2001-02-22 Basf Ag Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid
EP1233012A1 (de) * 2001-02-12 2002-08-21 Basf Aktiengesellschaft Verfahren zur Herstellung von spezifikationsgerechtem Phthalsäureanhydrid

Also Published As

Publication number Publication date
JP2004517962A (ja) 2004-06-17
MXPA03006520A (es) 2003-09-25
WO2002064539A2 (de) 2002-08-22
TWI229071B (en) 2005-03-11
AU2002244704A1 (en) 2002-08-28
DE10106664A1 (de) 2002-08-14
KR20030078907A (ko) 2003-10-08
US20040060809A1 (en) 2004-04-01
CN1527826A (zh) 2004-09-08

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