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
Authority: DZ; Algeria
Prior art keywords: methyl acetate; production; acetic acid; residual acetic; pure terephthalic
Prior art date: 1998-08-11

Application number

DZ990168A

Other languages

English (en)

French (fr)

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

2004-09-05

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

2004-09-05 Application granted granted Critical

2004-09-05 Publication of DZ2868A1 publication Critical patent/DZ2868A1/xx

Links

QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 title abstract 6
KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 4
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
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)
Luminescent Compositions (AREA)
Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Treatment Of Liquids With Adsorbents In General (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 (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
MX9701355A (es) *	1994-08-23	1997-05-31	Ici Plc	Deshidratacion de acido acetico mediante destilacion azeotropica en la produccion de un acido aromatico.

1999
- 1999-07-06 TW TW088111466A patent/TW483886B/zh not_active IP Right Cessation
- 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 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 ES ES99937312T patent/ES2182553T3/es not_active Expired - Lifetime
- 1999-07-26 CA CA002337502A patent/CA2337502C/en not_active Expired - Fee Related
- 1999-07-26 CN CNB998095818A patent/CN1135215C/zh not_active Expired - Fee Related
- 1999-07-26 DE DE69903450T patent/DE69903450T2/de not_active Expired - Lifetime
- 1999-07-26 EP EP99937312A patent/EP1104396B1/de not_active Expired - Lifetime
- 1999-07-26 TR TR2001/00436T patent/TR200100436T2/xx unknown
- 1999-07-26 BR BR9914302-0A patent/BR9914302A/pt not_active Application Discontinuation
- 1999-08-10 EG EG99399A patent/EG21657A/xx active
- 1999-08-10 DZ DZ990168A patent/DZ2868A1/xx active

Also Published As

Publication number	Publication date
TW483886B (en)	2002-04-21
ATE225763T1 (de)	2002-10-15
DE69903450D1 (de)	2002-11-14
BR9914302A (pt)	2001-06-26
EG21657A (en)	2002-02-27
CN1135215C (zh)	2004-01-21
EP1104396A1 (de)	2001-06-06
EP1104396B1 (de)	2002-10-09
WO2000009468A1 (en)	2000-02-24
JP2002522519A (ja)	2002-07-23
CA2337502A1 (en)	2000-02-24
CN1312787A (zh)	2001-09-12
CA2337502C (en)	2009-03-24
DE69903450T2 (de)	2003-06-18
ES2182553T3 (es)	2003-03-01
JP4246393B2 (ja)	2009-04-02
TR200100436T2 (tr)	2001-06-21
ID27786A (id)	2001-04-26

Similar Documents

Publication	Publication Date	Title
MY125445A (en)	2006-08-30	Method for recovering methyl acetate and residual acetic acid in the production of pure terephthalic acid
DE69318529D1 (de)	1998-06-18	Zweistufiges verfahren zur herstellung von alkenylbernsteinsäureanhydrid
DE69318528D1 (de)	1998-06-18	Zweistufiges von freien radikalen katalysiertes verfahren zur herstellung von alkenylbernsteinsäureanhydrid
DE69505190D1 (de)	1998-11-12	Verfahren zur Herstellung von hochreiner Essigsäure
ATE287387T1 (de)	2005-02-15	Verbessertes verfahren für die herstellung von methacrylsäure und methacrylsäureester
CA2062063A1 (en)	1992-09-08	Process for the production of terephthalic acid
ATE101591T1 (de)	1994-03-15	Herstellung von ultrahochreinem methylacetat.
ATE137488T1 (de)	1996-05-15	Verfahren zur herstellung von reiner hydroxyessigsäure
ATE196458T1 (de)	2000-10-15	Verfahren zur herstellung von xylitol
HUT60712A (en)	1992-10-28	Process for producing aspartame from diketopiperazine and process for producing intermediates
ATE204283T1 (de)	2001-09-15	Verfahren zur herstellung von 2,2- difluorketensilylacetalen und alpha,alpha-difluor-beta -silyloxy-1,3-dioxolan-4-propansäureestern
EG21657A (en)	2002-02-27	Method for recovering methyl acetate and residual acetic acid in the production of pure terephthabic acid
HUT77183A (hu)	1998-03-02	Eljárás 2,6-diizopropil-fenol tisztítására
DE69415345D1 (de)	1999-01-28	Verfahren zur herstellung von bisnoraldehyden aus bisnoralkohol
DE59000702D1 (de)	1993-02-11	Verfahren zur fermentativen herstellung von 2-(4-hydroxiphenoxi-)propionsaeure.
ATE116636T1 (de)	1995-01-15	Verfahren zur herstellung von 2,6- dichlordiphenylaminessigsäurederivaten.
WO1995021145A3 (en)	1995-08-24	FERMENTATION PRODUCTION OF LONG CHAIN α,φ-DICARBOXYLIC ACIDS FROM ALKANES BY USE OF A MICROORGANISM
DE69011833D1 (de)	1994-09-29	Verfahren zur Herstellung von Ätherkarbonsäurenreinigungsverstärkern.
NO965280D0 (no)	1996-12-10	Fremgangsmåte for fremstilling av en spesielt ren monokloreddiksyre
ATE161051T1 (de)	1997-12-15	Verfahren zur herstellung aktivierter sialinsäuren
ATE259772T1 (de)	2004-03-15	Verfahren zum herstellen von trimethylhydroquinondiacetat und trimethylhydroquinon
DE69628433D1 (de)	2003-07-03	Verfahren zur gewinnung von pivalinsäure aus abfallreaktionsgemischen
DE68912236D1 (de)	1994-02-24	Verfahren zur Herstellung von hochgradig ungesättigten Fettsäuren.
ATE127470T1 (de)	1995-09-15	Verfahren zur herstellung von phosphatidylcholinderivaten.
ATE323760T1 (de)	2006-05-15	Verfahren zur herstellung eines eine hyaluronidase enthaltenden präparats