KR101034964B1 - 테레프탈산의 산화적 정제 방법 - Google Patents

테레프탈산의 산화적 정제 방법 Download PDF

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Publication number
KR101034964B1
KR101034964B1 KR1020057010419A KR20057010419A KR101034964B1 KR 101034964 B1 KR101034964 B1 KR 101034964B1 KR 1020057010419 A KR1020057010419 A KR 1020057010419A KR 20057010419 A KR20057010419 A KR 20057010419A KR 101034964 B1 KR101034964 B1 KR 101034964B1
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KR
South Korea
Prior art keywords
carboxylic acid
zone
product
slurry
acid slurry
Prior art date
Application number
KR1020057010419A
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English (en)
Korean (ko)
Other versions
KR20050084213A (ko
Inventor
로날드 버포드 셉파드
브렌트 앨런 텐난트
토마스 얼 우드러프
로버트 린
Original Assignee
이스트만 케미칼 컴파니
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.)
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Priority claimed from US10/645,734 external-priority patent/US7161027B2/en
Application filed by 이스트만 케미칼 컴파니 filed Critical 이스트만 케미칼 컴파니
Publication of KR20050084213A publication Critical patent/KR20050084213A/ko
Application granted granted Critical
Publication of KR101034964B1 publication Critical patent/KR101034964B1/ko

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    • 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
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
KR1020057010419A 2002-12-09 2003-12-03 테레프탈산의 산화적 정제 방법 KR101034964B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31529402A 2002-12-09 2002-12-09
US10/315,294 2002-12-09
US10/645,734 US7161027B2 (en) 2002-12-09 2003-08-21 Process for the oxidative purification of terephthalic acid
US10/645,734 2003-08-21

Publications (2)

Publication Number Publication Date
KR20050084213A KR20050084213A (ko) 2005-08-26
KR101034964B1 true KR101034964B1 (ko) 2011-05-17

Family

ID=32511021

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057010419A KR101034964B1 (ko) 2002-12-09 2003-12-03 테레프탈산의 산화적 정제 방법

Country Status (6)

Country Link
EP (1) EP1569889A1 (de)
KR (1) KR101034964B1 (de)
AU (1) AU2003293252A1 (de)
BR (1) BR0316461A (de)
MX (1) MXPA05005979A (de)
WO (1) WO2004052822A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047076A1 (de) 2004-09-28 2006-04-06 Zimmer Ag Verfahren zur Herstellung von Polyestern
US7557243B2 (en) 2005-05-19 2009-07-07 Eastman Chemical Company Enriched terephthalic acid composition
US7834208B2 (en) 2005-05-19 2010-11-16 Eastman Chemical Company Process to produce a post catalyst removal composition
US7741516B2 (en) * 2005-05-19 2010-06-22 Eastman Chemical Company Process to enrich a carboxylic acid composition
US7432395B2 (en) 2005-05-19 2008-10-07 Eastman Chemical Company Enriched carboxylic acid composition
US7919652B2 (en) 2005-05-19 2011-04-05 Eastman Chemical Company Process to produce an enriched composition through the use of a catalyst removal zone and an enrichment zone
US7897809B2 (en) 2005-05-19 2011-03-01 Eastman Chemical Company Process to produce an enrichment feed
US7884231B2 (en) 2005-05-19 2011-02-08 Eastman Chemical Company Process to produce an enriched composition
US7880031B2 (en) 2005-05-19 2011-02-01 Eastman Chemical Company Process to produce an enrichment feed
US7304178B2 (en) 2005-05-19 2007-12-04 Eastman Chemical Company Enriched isophthalic acid composition
US7888529B2 (en) 2006-03-01 2011-02-15 Eastman Chemical Company Process to produce a post catalyst removal composition
US20120302773A1 (en) 2011-05-24 2012-11-29 Eastman Chemical Company Oxidation process to produce a crude and/or purified carboxylic acid product

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170768A (en) * 1959-04-22 1965-02-23 Standard Oil Co System for continuous preparation of terephthalic acid
GB2072162B (en) * 1980-03-21 1984-03-21 Labofina Sa Process for the production and the recovery of terephthalic acid
GB9302333D0 (en) * 1993-02-05 1993-03-24 Ici Plc Filtration process
KR970000136B1 (ko) * 1993-09-28 1997-01-04 브이.피. 유리예프 고순도 벤젠디카르복실산 이성질체의 제조방법

Also Published As

Publication number Publication date
KR20050084213A (ko) 2005-08-26
EP1569889A1 (de) 2005-09-07
MXPA05005979A (es) 2005-08-18
AU2003293252A1 (en) 2004-06-30
BR0316461A (pt) 2005-10-11
WO2004052822A1 (en) 2004-06-24

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