AU2001240503A1 - Method for producing phthalic acid anhydride - Google Patents

Method for producing phthalic acid anhydride

Info

Publication number
AU2001240503A1
AU2001240503A1 AU2001240503A AU4050301A AU2001240503A1 AU 2001240503 A1 AU2001240503 A1 AU 2001240503A1 AU 2001240503 A AU2001240503 A AU 2001240503A AU 4050301 A AU4050301 A AU 4050301A AU 2001240503 A1 AU2001240503 A1 AU 2001240503A1
Authority
AU
Australia
Prior art keywords
acid anhydride
phthalic acid
producing phthalic
producing
anhydride
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.)
Abandoned
Application number
AU2001240503A
Inventor
Thomas Heidemann
Ulrich Kammel
Andreas Walch
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.)
BASF SE
Original Assignee
BASF SE
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 SE filed Critical BASF SE
Publication of AU2001240503A1 publication Critical patent/AU2001240503A1/en
Abandoned 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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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
    • B01D3/141—Fractional distillation or use of a fractionation or rectification column where at least one distillation column contains at least one dividing wall
    • 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
    • C07C51/46—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by azeotropic distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AU2001240503A 2000-01-24 2001-01-11 Method for producing phthalic acid anhydride Abandoned AU2001240503A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE2000102810 DE10002810A1 (en) 2000-01-24 2000-01-24 Production of phthalic anhydride from o-xylene includes removing toluene from xylene recycle stream to increase selectivity
DE10002810 2000-01-24
PCT/EP2001/000303 WO2001055072A2 (en) 2000-01-24 2001-01-11 Method for producing phthalic acid anhydride

Publications (1)

Publication Number Publication Date
AU2001240503A1 true AU2001240503A1 (en) 2001-08-07

Family

ID=7628477

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001240503A Abandoned AU2001240503A1 (en) 2000-01-24 2001-01-11 Method for producing phthalic acid anhydride

Country Status (3)

Country Link
AU (1) AU2001240503A1 (en)
DE (1) DE10002810A1 (en)
WO (1) WO2001055072A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2952237A1 (en) * 2014-06-02 2015-12-09 Sulzer Chemtech AG Method for purification of benzoic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1098514A (en) * 1951-04-13 1955-08-01 Imhausen & Co Gmbh Process for the preparation of aromatic polycarboxylic acid derivatives
IT1213483B (en) * 1986-08-14 1989-12-20 Sisas Spa PROCEDURE FOR THE PRODUCTION OF PHTHALIC ANHYDRIDE.

Also Published As

Publication number Publication date
WO2001055072A2 (en) 2001-08-02
WO2001055072A3 (en) 2001-12-20
DE10002810A1 (en) 2001-07-26

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