DZ2868A1 - Méthode de récupération d'acétate de methyle et d'acide acétique résiduel au cours de la production d'acide téréphtalique pur. - Google Patents

Méthode de récupération d'acétate de methyle et d'acide acétique résiduel au cours de la production d'acide téréphtalique pur.

Info

Publication number
DZ2868A1
DZ2868A1 DZ990168A DZ990168A DZ2868A1 DZ 2868 A1 DZ2868 A1 DZ 2868A1 DZ 990168 A DZ990168 A DZ 990168A DZ 990168 A DZ990168 A DZ 990168A DZ 2868 A1 DZ2868 A1 DZ 2868A1
Authority
DZ
Algeria
Prior art keywords
methyl acetate
production
acetic acid
residual acetic
pure terephthalic
Prior art date
Application number
DZ990168A
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 DZ2868A1 publication Critical patent/DZ2868A1/fr

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)
DZ990168A 1998-08-11 1999-08-10 Méthode de récupération d'acétate de methyle et d'acide acétique résiduel au cours de la production d'acide téréphtalique pur. DZ2868A1 (fr)

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
DZ2868A1 true DZ2868A1 (fr) 2004-09-05

Family

ID=26830244

Family Applications (1)

Application Number Title Priority Date Filing Date
DZ990168A DZ2868A1 (fr) 1998-08-11 1999-08-10 Méthode de récupération d'acétate de methyle et d'acide acétique résiduel au cours de la production d'acide téréphtalique pur.

Country Status (14)

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

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
ES2182553T3 (es) 2003-03-01
CA2337502A1 (fr) 2000-02-24
ATE225763T1 (de) 2002-10-15
BR9914302A (pt) 2001-06-26
DE69903450D1 (de) 2002-11-14
CN1135215C (zh) 2004-01-21
EG21657A (en) 2002-02-27
EP1104396A1 (fr) 2001-06-06
EP1104396B1 (fr) 2002-10-09
ID27786A (id) 2001-04-26
TW483886B (en) 2002-04-21
JP2002522519A (ja) 2002-07-23
CN1312787A (zh) 2001-09-12
WO2000009468A1 (fr) 2000-02-24
CA2337502C (fr) 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
DE69505190D1 (de) Verfahren zur Herstellung von hochreiner Essigsäure
ATE287387T1 (de) Verbessertes verfahren für die herstellung von methacrylsäure und methacrylsäureester
DZ2868A1 (fr) Méthode de récupération d'acétate de methyle et d'acide acétique résiduel au cours de la production d'acide téréphtalique pur.
ATE101591T1 (de) Herstellung von ultrahochreinem methylacetat.
DE69518901D1 (de) Verfahren zur Herstellung von Xylitol
ATE137488T1 (de) Verfahren zur herstellung von reiner hydroxyessigsäure
ATE204283T1 (de) Verfahren zur herstellung von 2,2- difluorketensilylacetalen und alpha,alpha-difluor-beta -silyloxy-1,3-dioxolan-4-propansäureestern
DE69415345T2 (de) Verfahren zur herstellung von bisnoraldehyden aus bisnoralkohol
WO1995021145A3 (fr) PRODUCTION D'ACIDES α,φ-DICARBOXYLIQUES A CHAINE LONGUE PAR FERMENTATION A PARTIR D'ALCANES ET AU MOYEN D'UN MICRO-ORGANISME
DE59000702D1 (de) Verfahren zur fermentativen herstellung von 2-(4-hydroxiphenoxi-)propionsaeure.
DE69011833T2 (de) Verfahren zur Herstellung von Ätherkarbonsäurenreinigungsverstärkern.
NO307212B1 (no) Fremgangsmåte for fremstilling av en spesielt ren monokloreddiksyre
ATE161051T1 (de) Verfahren zur herstellung aktivierter sialinsäuren
DE68912236T2 (de) Verfahren zur Herstellung von hochgradig ungesättigten Fettsäuren.
ATE127470T1 (de) Verfahren zur herstellung von phosphatidylcholinderivaten.
ATE146471T1 (de) Verfahren zur herstellung eines benzothiadiazolderivats
DE69628433D1 (de) Verfahren zur gewinnung von pivalinsäure aus abfallreaktionsgemischen
DE69214937T3 (de) Verfahren zur herstellung von gereinigten 2,6-naphthalindicarbonsäuren
ATE223901T1 (de) Verfahren zur herstellung von 5,7 dichlor-4- hydroxychinolin
DE69714971T2 (de) Verfahren zur herstellung von purin-derivaten
DE69720432D1 (de) Verfahren zur herstellung von 2-hydroxynaphtalin-3,6-dicarbonsaure
DE50010982D1 (de) Verfahren zur herstellung von spezifikationsgerechtem phthalsäureanhydrid
ATE151428T1 (de) Verfahren zur herstellung von 3- exomethylencephamsulfoxydderivate und zwischenverbindungen
TH39474A3 (th) วิธีการสำหรับการนำกลับคืนเมธิลอะซิเตต และ อะซิติกแอซิกเหลือค้าง ในกรรมวิธีการผลิตเทอร์ฟธาลิกแอซิกบริสุทธิ์