DE69818652D1 - Verfahren zur wasserabtrennung - Google Patents

Verfahren zur wasserabtrennung

Info

Publication number
DE69818652D1
DE69818652D1 DE69818652T DE69818652T DE69818652D1 DE 69818652 D1 DE69818652 D1 DE 69818652D1 DE 69818652 T DE69818652 T DE 69818652T DE 69818652 T DE69818652 T DE 69818652T DE 69818652 D1 DE69818652 D1 DE 69818652D1
Authority
DE
Germany
Prior art keywords
water separation
separation method
water
separation
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.)
Expired - Lifetime
Application number
DE69818652T
Other languages
English (en)
Other versions
DE69818652T2 (de
Inventor
David Parten
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.)
La Seda de Barcelona SA
Original Assignee
EI Du Pont de Nemours and Co
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 GBGB9707177.3A external-priority patent/GB9707177D0/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69818652D1 publication Critical patent/DE69818652D1/de
Publication of DE69818652T2 publication Critical patent/DE69818652T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07C51/42—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
DE69818652T 1997-04-09 1998-04-07 Verfahren zur wasserabtrennung Expired - Lifetime DE69818652T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9707177.3A GB9707177D0 (en) 1997-04-09 1997-04-09 Water separation process
GB9707177 1997-04-09
US4384197P 1997-04-11 1997-04-11
US43841P 1997-04-11
PCT/US1998/006740 WO1998045239A1 (en) 1997-04-09 1998-04-07 Water separation process

Publications (2)

Publication Number Publication Date
DE69818652D1 true DE69818652D1 (de) 2003-11-06
DE69818652T2 DE69818652T2 (de) 2004-07-29

Family

ID=26311343

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69818652T Expired - Lifetime DE69818652T2 (de) 1997-04-09 1998-04-07 Verfahren zur wasserabtrennung

Country Status (14)

Country Link
EP (1) EP0973717B1 (de)
KR (1) KR100513187B1 (de)
CN (1) CN1134402C (de)
AR (1) AR012579A1 (de)
AU (1) AU6884898A (de)
BR (1) BR9807964A (de)
CA (1) CA2284019C (de)
CO (1) CO5021153A1 (de)
DE (1) DE69818652T2 (de)
ES (1) ES2205470T3 (de)
ID (1) ID22632A (de)
MY (1) MY128934A (de)
TR (1) TR199902492T2 (de)
WO (1) WO1998045239A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002068083A1 (fr) * 2001-02-27 2002-09-06 Mitsubishi Chemical Corporation Methode de distillation azeotropique
US6982026B2 (en) * 2001-03-15 2006-01-03 Tate & Lyle Ingredients Americas, Inc. Azeotropic distillation process for producing organic acids or organic acid amides
US6504051B1 (en) 2001-06-04 2003-01-07 Eastman Chemical Company Process for production of aromatic carboxylic acids with improved water removal technique
US7048835B2 (en) 2002-02-12 2006-05-23 Amt International, Inc. System and method for acetic acid recovery during terephthalic acid production
JP4050184B2 (ja) * 2003-05-13 2008-02-20 株式会社日本触媒 脂肪族カルボン酸の製造方法
WO2005019149A1 (en) * 2003-08-12 2005-03-03 Amt International, Inc. System and method for acetic acid recovery during terephthalic acid production
ES2302470B1 (es) * 2003-08-12 2009-06-09 Amt International, Inc. Sistema y metodo para recuperacion de acido acetico durante la produccion de acido tereftalico.
WO2005075404A1 (ja) * 2004-02-05 2005-08-18 Mitsubishi Chemical Corporation 共沸蒸留方法
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
KR100733400B1 (ko) * 2005-08-01 2007-06-29 아신기술 주식회사 아세트산, 메틸아세테이트 및 물을 분리하기 위한공비증류공정
CN101854989A (zh) * 2007-07-18 2010-10-06 因维斯塔技术有限公司 共沸剂再生的共沸蒸馏
CN101811965B (zh) * 2010-05-07 2013-07-10 南京大学 共沸精馏分离回收废水中的醋酸丁酯和丁醇的工艺
US8382961B2 (en) 2010-06-07 2013-02-26 Amt International, Inc. System and method for reduction of water consumption in purified terephthalic acid production
GB201015986D0 (en) 2010-09-23 2010-11-03 Davy Process Techn Ltd Process and apparatus
CN102766036B (zh) * 2012-05-27 2014-05-07 中国石油化工股份有限公司 一种乙酸、水分离系统中水回收利用的方法
CN103848733B (zh) * 2012-12-04 2015-12-23 新鼎系统股份有限公司 芳香羧酸的回收脱水共沸蒸馏工艺
GB201417735D0 (en) * 2014-10-07 2014-11-19 Invista Tech Sarl Production of an aromatic dicarboxylic acid
CN106591041A (zh) * 2016-12-08 2017-04-26 彭万洪 一种黄水再利用的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB273744A (en) * 1926-07-01 1928-11-01 Distilleries Des Deux Sevres Improved process for the separation in the anhydrous state of fatty acids contained in dilute aqueous solutions
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
MX9701355A (es) * 1994-08-23 1997-05-31 Ici Plc Deshidratacion de acido acetico mediante destilacion azeotropica en la produccion de un acido aromatico.
GB9602680D0 (en) * 1996-02-09 1996-04-10 Ici Plc Distillation process

Also Published As

Publication number Publication date
KR100513187B1 (ko) 2005-09-08
EP0973717B1 (de) 2003-10-01
AR012579A1 (es) 2000-11-08
MY128934A (en) 2007-03-30
KR20010006138A (ko) 2001-01-26
TR199902492T2 (xx) 2000-04-21
EP0973717A1 (de) 2000-01-26
CA2284019C (en) 2008-03-18
ID22632A (id) 1999-12-02
BR9807964A (pt) 2000-03-08
AU6884898A (en) 1998-10-30
ES2205470T3 (es) 2004-05-01
WO1998045239A1 (en) 1998-10-15
DE69818652T2 (de) 2004-07-29
CN1134402C (zh) 2004-01-14
CA2284019A1 (en) 1998-10-15
CN1264359A (zh) 2000-08-23
CO5021153A1 (es) 2001-03-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ADVANSA BV, HOOFDDORP, NL

8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE ZELLENTIN & PARTNER GBR, 80331 MUENCHEN

8327 Change in the person/name/address of the patent owner

Owner name: LA SEDA DE BARCELONA S.A., BARCELONA, ES