SG122892G - Process for exchanging dispersing medium of terephthalic acid slurry - Google Patents

Process for exchanging dispersing medium of terephthalic acid slurry

Info

Publication number
SG122892G
SG122892G SG1228/92A SG122892A SG122892G SG 122892 G SG122892 G SG 122892G SG 1228/92 A SG1228/92 A SG 1228/92A SG 122892 A SG122892 A SG 122892A SG 122892 G SG122892 G SG 122892G
Authority
SG
Singapore
Prior art keywords
terephthalic acid
exchanging
dispersing medium
stage column
acid slurry
Prior art date
Application number
SG1228/92A
Other languages
English (en)
Original Assignee
Mitsui Petrochemical Ind
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 Ind filed Critical Mitsui Petrochemical Ind
Publication of SG122892G publication Critical patent/SG122892G/en

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)
SG1228/92A 1987-12-17 1992-12-03 Process for exchanging dispersing medium of terephthalic acid slurry SG122892G (en)

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
SG122892G true SG122892G (en) 1993-02-19

Family

ID=18115365

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1228/92A SG122892G (en) 1987-12-17 1992-12-03 Process for exchanging dispersing medium of terephthalic acid slurry

Country Status (13)

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

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 (ja) * 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
US6818132B2 (en) * 1999-12-17 2004-11-16 Ticona Gmbh Method and device for separating solids from a liquid 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
US7161027B2 (en) * 2002-12-09 2007-01-09 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
US7074954B2 (en) * 2002-12-09 2006-07-11 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
US7132566B2 (en) * 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
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
KR101107927B1 (ko) * 2003-10-02 2012-01-25 미츠비시 가스 가가쿠 가부시키가이샤 고순도 테레프탈산의 제조 방법
EP1669140B1 (en) * 2003-10-03 2010-11-03 Mitsubishi Gas Chemical Company, Inc. Method of washing solid grain
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
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8455680B2 (en) 2008-01-15 2013-06-04 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
US4201871A (en) * 1978-02-23 1980-05-06 Asahi Kasei Kogyo Kabushiki Kaisha Process for recovering 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
EP0321272A1 (en) 1989-06-21
CN1029844C (zh) 1995-09-27
DE3871351D1 (de) 1992-06-25
JPH01160942A (ja) 1989-06-23
ES2037248T3 (es) 1993-06-16
CA1316939C (en) 1993-04-27
KR910003255B1 (ko) 1991-05-25
DD280096A5 (de) 1990-06-27
JP2545103B2 (ja) 1996-10-16
CN1033619A (zh) 1989-07-05
US5008450A (en) 1991-04-16
GR3005279T3 (ja) 1993-05-24
EP0321272B1 (en) 1992-05-20
ATE76397T1 (de) 1992-06-15
RU2002731C1 (ru) 1993-11-15
KR890009839A (ko) 1989-08-04

Similar Documents

Publication Publication Date Title
SG122892G (en) Process for exchanging dispersing medium of terephthalic acid slurry
ZA881568B (en) Process for recovering regenerated adsorbent particles and separating ash therefrom
PT83678A (en) Process and apparatus for lignin recovery
HU913145D0 (en) Process for the production of carbonic acid anhydrides
EP0277704A3 (en) Separation of ash from regenerated adsorbent
FR2587628B1 (fr) Procede pour la production d'une suspension de particules d'eau ultrafines dans l'air
EP0128589A3 (en) Method for the purification of smoke and plant for realization of the method
IN164451B (ja)
GR3017113T3 (en) Process for catalyst recovery.
GB1466182A (en) Method and apparatus for removing cadmium from aqueous solution
ES480302A1 (es) Un metodo de purificacion de sustancias que contienen uranio
AU8297282A (en) Manufacture of gas by partial oxidation of slag-rich raw materials
DE3062959D1 (en) Process for the biological purification of waste water
DE2960233D1 (en) Process for the preparation of alpha-hydroxycarboxylic acid amides
JPS57140697A (en) Aeration in active sludge process
TH9785EX (th) ขบวนการสำหรับการแลกเปลี่ยนสื่อการกระจายตัวของสเลอรี่เทอราพาลิก แอชิต
JPS5236689A (en) Novel synthetic penicillins and their preparation process
Matushevskii Automation of the Control of the Continuous Synthesis of Plasticizers
ATE150445T1 (de) Kontinuierliche herstellung von oxamid durch die katalytische oxydation von hcn
JPS5618930A (en) Production of alkylene glycol
Sazhin et al. Technology of the Autoclave Leaching of Nepheline Rocks of the Sea of Azov Region
JPS56113296A (en) Preparation of d(-)-beta-hydroxyisobutyric acid
ES8205742A1 (es) Un procedimiento para separar el agua de una corriente de acido acrilico acuoso.
JPS6461316A (en) Alpha-type hemihydrate gypsum and production thereof
GB798881A (en) Method of purifying sugar-containing liquids