EG21657A - Method for recovering methyl acetate and residual acetic acid in the production of pure terephthabic acid - Google Patents

Method for recovering methyl acetate and residual acetic acid in the production of pure terephthabic acid

Info

Publication number
EG21657A
EG21657A EG99399A EG99399A EG21657A EG 21657 A EG21657 A EG 21657A EG 99399 A EG99399 A EG 99399A EG 99399 A EG99399 A EG 99399A EG 21657 A EG21657 A EG 21657A
Authority
EG
Egypt
Prior art keywords
acid
methyl acetate
terephthabic
pure
production
Prior art date
Application number
EG99399A
Other languages
English (en)
Inventor
William David Parten
Original Assignee
Du Pont
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
Priority claimed from US09/257,275 external-priority patent/US6150553A/en
Application filed by Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of EG21657A publication Critical patent/EG21657A/xx

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Luminescent Compositions (AREA)
EG99399A 1998-08-11 1999-08-10 Method for recovering methyl acetate and residual acetic acid in the production of pure terephthabic acid EG21657A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13229798A 1998-08-11 1998-08-11
US09/257,275 US6150553A (en) 1998-08-11 1999-02-24 Method for recovering methyl acetate and residual acetic acid in the production acid of pure terephthalic acid

Publications (1)

Publication Number Publication Date
EG21657A true EG21657A (en) 2002-02-27

Family

ID=26830244

Family Applications (1)

Application Number Title Priority Date Filing Date
EG99399A EG21657A (en) 1998-08-11 1999-08-10 Method for recovering methyl acetate and residual acetic acid in the production of pure terephthabic acid

Country Status (14)

Country Link
EP (1) EP1104396B1 (xx)
JP (1) JP4246393B2 (xx)
CN (1) CN1135215C (xx)
AT (1) ATE225763T1 (xx)
BR (1) BR9914302A (xx)
CA (1) CA2337502C (xx)
DE (1) DE69903450T2 (xx)
DZ (1) DZ2868A1 (xx)
EG (1) EG21657A (xx)
ES (1) ES2182553T3 (xx)
ID (1) ID27786A (xx)
TR (1) TR200100436T2 (xx)
TW (1) TW483886B (xx)
WO (1) WO2000009468A1 (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6143926A (en) * 1999-09-21 2000-11-07 E. I. Du Pont De Nemours And Company Process for producing pure terephthalic acid with improved recovery of precursors, solvent and methyl acetate
CN1226267C (zh) * 2001-02-27 2005-11-09 三菱化学株式会社 共沸蒸馏方法
ITMI20021423A1 (it) * 2002-06-27 2003-12-29 Eurotecnica Dev & Licensing S Processo per la separazione dell'acqua prodotta nella ossidazione catalitica di idrocarburi aromatici ad acidi aromatici policarbossilici
CN1300088C (zh) * 2005-03-25 2007-02-14 扬子石油化工股份有限公司 一种回收芳香族羧酸生产过程中原料、溶剂和副产物的方法
CN100519503C (zh) * 2005-08-31 2009-07-29 株式会社日立工业设备技术 在芳香族羧酸的制备工序中回收醋酸的方法
US8382961B2 (en) * 2010-06-07 2013-02-26 Amt International, Inc. System and method for reduction of water consumption in purified terephthalic acid production
US20140121406A1 (en) * 2012-10-31 2014-05-01 Invista North America S.A.R.L. Pure plant mother liquor solvent extraction system and method
GB201417735D0 (en) * 2014-10-07 2014-11-19 Invista Tech Sarl Production of an aromatic dicarboxylic acid
CN105463540B (zh) * 2015-11-26 2017-12-15 湖南永盛新材料股份有限公司 一种用于电池壳体的镀覆镍钴/镍/镍磷多层膜不锈钢带及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1075317B (it) * 1977-04-13 1985-04-22 Montedison Spa Metodo per l'anidrificazione del solvente e per il ricupero del sottoprodotto acetato di metile in un processo di sintesi dell'acido tereftalico
US4172209A (en) * 1978-08-23 1979-10-23 Uop Inc. Process for producing dicarboxylic acids by the oxidation of xylene
GB9104776D0 (en) * 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
US5980696A (en) * 1994-08-23 1999-11-09 E. I. Du Pont De Nemours And Company Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid

Also Published As

Publication number Publication date
JP4246393B2 (ja) 2009-04-02
DZ2868A1 (fr) 2004-09-05
ES2182553T3 (es) 2003-03-01
CA2337502A1 (en) 2000-02-24
ATE225763T1 (de) 2002-10-15
BR9914302A (pt) 2001-06-26
DE69903450D1 (de) 2002-11-14
CN1135215C (zh) 2004-01-21
EP1104396A1 (en) 2001-06-06
EP1104396B1 (en) 2002-10-09
ID27786A (id) 2001-04-26
TW483886B (en) 2002-04-21
JP2002522519A (ja) 2002-07-23
CN1312787A (zh) 2001-09-12
WO2000009468A1 (en) 2000-02-24
CA2337502C (en) 2009-03-24
DE69903450T2 (de) 2003-06-18
TR200100436T2 (tr) 2001-06-21

Similar Documents

Publication Publication Date Title
MY125445A (en) Method for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid
ZA976939B (en) Integrated process for the production of vinyl acetate and/or acetic acid.
AU4878097A (en) Process for the production of acetic acid
AU5490899A (en) Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids
EG21657A (en) Method for recovering methyl acetate and residual acetic acid in the production of pure terephthabic acid
CA2380625A1 (en) Process for producing pure terephthalic acid with improved recovery of precursors, solvent and methyl acetate
EP0548793A3 (en) Ethylenic-unsaturated bile acid derivatives, process for their production and preliminary processes therefor
AU5707000A (en) Process for producing l-amino acid
EP0895985A3 (en) Method for producing bis(3-amino-4-hydroxyphenyl) compounds
AU7876200A (en) Method for purifying acetone
AU3703199A (en) Process for production of acetic acid
AU8769698A (en) Improved process for producing pure carboxylic acids
AU8569998A (en) Improved process for recovering hydrogen in producing pure terephthalic acid
EP0561614A3 (en) Process for producing alpha, beta-unsaturated carboxylic acid esters
AU1919497A (en) Production of acetic acid from methane
AU1725401A (en) Process for the recovery of purified terephthalic acid (pta)
WO1995021145A3 (en) FERMENTATION PRODUCTION OF LONG CHAIN α,φ-DICARBOXYLIC ACIDS FROM ALKANES BY USE OF A MICROORGANISM
EP0881208A4 (en) NAPHTHALINDICARBONIC ACID PARTICLES AND METHOD FOR THE PRODUCTION THEREOF
HUP0201424A3 (en) Process for regenerating and recovering periodic acid and process for producing dialdehyde-carbohidrates
MY117386A (en) Process for the production of ruthenium (iii) acetate solution
CA2428308A1 (en) Process for preparing acetic acid
AU5707100A (en) Process for producing l-amino acid
AU3451097A (en) A process for the recovery of dicarboxylic acid
GB9913653D0 (en) Carbonylation process for the production of acetic acid
AU2001286241A1 (en) Process for producing lower aliphatic carboxylic acid ester