DE3871351D1 - Verfahren zum austausch eines dispersionsmediums in einer terephthalsaeureaufschaeumung. - Google Patents

Verfahren zum austausch eines dispersionsmediums in einer terephthalsaeureaufschaeumung.

Info

Publication number
DE3871351D1
DE3871351D1 DE8888311925T DE3871351T DE3871351D1 DE 3871351 D1 DE3871351 D1 DE 3871351D1 DE 8888311925 T DE8888311925 T DE 8888311925T DE 3871351 T DE3871351 T DE 3871351T DE 3871351 D1 DE3871351 D1 DE 3871351D1
Authority
DE
Germany
Prior art keywords
terephthalic acid
stage column
replacing
dispersion medium
acid foaming
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 - Fee Related
Application number
DE8888311925T
Other languages
English (en)
Inventor
Ryoichi C O Mitsui Pe Yamamoto
Hiroshi C O Mitsui Petr Suzuki
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Petrochemical Industries Ltd
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
Application filed by Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Application granted granted Critical
Publication of DE3871351D1 publication Critical patent/DE3871351D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8888311925T 1987-12-17 1988-12-16 Verfahren zum austausch eines dispersionsmediums in einer terephthalsaeureaufschaeumung. Expired - Fee Related DE3871351D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62319889A JP2545103B2 (ja) 1987-12-17 1987-12-17 テレフタル酸スラリ―の分散媒交換方法

Publications (1)

Publication Number Publication Date
DE3871351D1 true DE3871351D1 (de) 1992-06-25

Family

ID=18115365

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888311925T Expired - Fee Related DE3871351D1 (de) 1987-12-17 1988-12-16 Verfahren zum austausch eines dispersionsmediums in einer terephthalsaeureaufschaeumung.

Country Status (13)

Country Link
US (1) US5008450A (de)
EP (1) EP0321272B1 (de)
JP (1) JP2545103B2 (de)
KR (1) KR910003255B1 (de)
CN (1) CN1029844C (de)
AT (1) ATE76397T1 (de)
CA (1) CA1316939C (de)
DD (1) DD280096A5 (de)
DE (1) DE3871351D1 (de)
ES (1) ES2037248T3 (de)
GR (1) GR3005279T3 (de)
RU (1) RU2002731C1 (de)
SG (1) SG122892G (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2504545B2 (ja) * 1988-11-15 1996-06-05 三菱化学株式会社 テレフタル酸の製造法
GB9104776D0 (en) * 1991-03-07 1991-04-17 Ici Plc Process for the production of terephthalic acid
US5142097A (en) * 1991-05-31 1992-08-25 E. I. Du Pont De Nemours And Company Recovery and recycle of acetic acid in an oxidation process
GB9310070D0 (en) * 1992-05-29 1993-06-30 Ici Plc Process for the production of purified terephthalic acid
TW299318B (de) * 1994-11-15 1997-03-01 Mitsubishi Chem Corp
US5712412A (en) * 1994-12-26 1998-01-27 Mitsubishi Gas Chemical Co., Inc. Process for producing highly pure terephthalic acid
ATE515300T1 (de) * 1999-12-17 2011-07-15 Ticona Gmbh Verfahren und vorrichtung zur abtrennung von feststoffen aus einer flüssigen phase
JP4643801B2 (ja) * 2000-07-05 2011-03-02 三菱瓦斯化学株式会社 分散媒置換方法および高純度テレフタル酸の製造方法
US7276625B2 (en) * 2002-10-15 2007-10-02 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7132566B2 (en) * 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
US7074954B2 (en) * 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7161027B2 (en) * 2002-12-09 2007-01-09 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
WO2004052821A1 (en) * 2002-12-09 2004-06-24 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7193109B2 (en) 2003-03-06 2007-03-20 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7547803B2 (en) * 2003-06-20 2009-06-16 Mitsubishi Gas Chemical Company, Inc. Process for producing a high purity aromatic polycarboxylic acid
MY142126A (en) * 2003-10-02 2010-09-15 Mitsubishi Gas Chemical Co Process for producing high-purity terephthalic acid
CN1842378B (zh) * 2003-10-03 2012-06-06 三菱瓦斯化学株式会社 固体颗粒的清洗方法
US7546747B2 (en) * 2004-01-15 2009-06-16 Eastman Chemical Company Process for production of a dried carboxylic acid cake suitable for use in polyester production
US7214760B2 (en) * 2004-01-15 2007-05-08 Eastman Chemical Company Process for production of a carboxylic acid/diol mixture suitable for use in polyester production
US7615663B2 (en) 2004-09-02 2009-11-10 Eastman Chemical Company Optimized production of aromatic dicarboxylic acids
US20070179312A1 (en) * 2006-02-02 2007-08-02 O'meadhra Ruairi Seosamh Process for the purification of a crude carboxylic axid slurry
JP5162960B2 (ja) * 2007-05-22 2013-03-13 三菱瓦斯化学株式会社 イソフタル酸原スラリーの分散媒置換方法
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
CN111450787A (zh) * 2020-03-31 2020-07-28 无锡银燕化工装备科技有限公司 一种用于连续洗涤的反应器
CN111494985A (zh) * 2020-05-25 2020-08-07 张掖征峰科技有限公司 多级连续逆流洗涤浸出设备和方法
CN114917687B (zh) * 2022-06-14 2023-05-05 山东明化新材料有限公司 一种聚苯硫醚浆料洗涤塔

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3873609A (en) * 1973-01-05 1975-03-25 Phillips Petroleum Co Continuous slurry process for formation of aromatic polycarboxylic acids
JPS5931491B2 (ja) * 1977-08-12 1984-08-02 三井化学株式会社 テレフタル酸懸濁液中の母液を置換分離する方法
GB2014985B (en) * 1978-02-23 1982-12-08 Asahi Chemical Ind Purification of terephthalic acid
JPS5517309A (en) * 1978-07-21 1980-02-06 Mitsubishi Gas Chem Co Inc Preparation of high purity terephthalic acid
GB2072162B (en) * 1980-03-21 1984-03-21 Labofina Sa Process for the production and the recovery of terephthalic acid
DE3128474A1 (de) * 1980-07-21 1982-06-09 Hercofina, Wilmington, N.C. Verfahren zur gegenstromwaesche fein verteilter roher terephthalsaeure
JPS5753431A (en) * 1980-07-21 1982-03-30 Haakofuina Improved washing column washing process for crude terephthalic acid

Also Published As

Publication number Publication date
KR890009839A (ko) 1989-08-04
CN1033619A (zh) 1989-07-05
ES2037248T3 (es) 1993-06-16
JPH01160942A (ja) 1989-06-23
KR910003255B1 (ko) 1991-05-25
EP0321272B1 (de) 1992-05-20
CA1316939C (en) 1993-04-27
JP2545103B2 (ja) 1996-10-16
CN1029844C (zh) 1995-09-27
EP0321272A1 (de) 1989-06-21
US5008450A (en) 1991-04-16
DD280096A5 (de) 1990-06-27
ATE76397T1 (de) 1992-06-15
GR3005279T3 (de) 1993-05-24
RU2002731C1 (ru) 1993-11-15
SG122892G (en) 1993-02-19

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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: MITSUI CHEMICALS, INC., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee