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
Authority: EG; Egypt
Prior art keywords: acid; methyl acetate; terephthabic; pure; production
Prior art date: 1998-08-11

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.)

1998-08-11

Filing date

1999-08-10

Publication date

2002-02-27

1999-02-24 Priority claimed from US09/257,275 external-priority patent/US6150553A/en

1999-08-10 Application filed by Du Pont filed Critical Du Pont

2002-02-27 Application granted granted Critical

2002-02-27 Publication of EG21657A publication Critical patent/EG21657A/xx

Links

QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 3
XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 title abstract 2
KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 title abstract 2
239000002253 acid Substances 0.000 title 1
KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
230000003647 oxidation Effects 0.000 abstract 1
238000007254 oxidation reaction Methods 0.000 abstract 1
238000000746 purification Methods 0.000 abstract 1

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

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
WO2002068375A1 (fr) *	2001-02-27	2002-09-06	Mitsubishi Chemical Corporation	Procede de distillation azeotropique
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
WO1996006065A1 (en) *	1994-08-23	1996-02-29	Imperial Chemical Industries Plc	Dehydration of acetic acid by azeotropic distillation in the production of an aromatic acid

1999
- 1999-07-06 TW TW088111466A patent/TW483886B/zh not_active IP Right Cessation
- 1999-07-26 ES ES99937312T patent/ES2182553T3/es not_active Expired - Lifetime
- 1999-07-26 CN CNB998095818A patent/CN1135215C/zh not_active Expired - Fee Related
- 1999-07-26 ID IDW20010312A patent/ID27786A/id unknown
- 1999-07-26 AT AT99937312T patent/ATE225763T1/de not_active IP Right Cessation
- 1999-07-26 DE DE69903450T patent/DE69903450T2/de not_active Expired - Lifetime
- 1999-07-26 TR TR2001/00436T patent/TR200100436T2/xx unknown
- 1999-07-26 WO PCT/US1999/016295 patent/WO2000009468A1/en not_active Ceased
- 1999-07-26 JP JP2000564923A patent/JP4246393B2/ja not_active Expired - Fee Related
- 1999-07-26 CA CA002337502A patent/CA2337502C/en not_active Expired - Fee Related
- 1999-07-26 BR BR9914302-0A patent/BR9914302A/pt not_active Application Discontinuation
- 1999-07-26 EP EP99937312A patent/EP1104396B1/de not_active Expired - Lifetime
- 1999-08-10 DZ DZ990168A patent/DZ2868A1/xx active
- 1999-08-10 EG EG99399A patent/EG21657A/xx active

Also Published As

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

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