RU2005121568A - Способ окислительной очистки терефталевой кислоты - Google Patents

Способ окислительной очистки терефталевой кислоты Download PDF

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Publication number
RU2005121568A
RU2005121568A RU2005121568/04A RU2005121568A RU2005121568A RU 2005121568 A RU2005121568 A RU 2005121568A RU 2005121568/04 A RU2005121568/04 A RU 2005121568/04A RU 2005121568 A RU2005121568 A RU 2005121568A RU 2005121568 A RU2005121568 A RU 2005121568A
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RU
Russia
Prior art keywords
suspension
carboxylic acid
purified
solid phase
zone
Prior art date
Application number
RU2005121568/04A
Other languages
English (en)
Russian (ru)
Inventor
Рональд Бафорд ШЕППАРД (US)
Рональд Бафорд ШЕППАРД
Брент Алан ТЕННАНТ (US)
Брент Алан ТЕННАНТ
Томас Ирл ВУДРАФФ (US)
Томас Ирл ВУДРАФФ
Роберт ЛИН (US)
Роберт ЛИН
Original Assignee
Истман Кемикал Компани (US)
Истман Кемикал Компани
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 US10/645,737 external-priority patent/US7074954B2/en
Application filed by Истман Кемикал Компани (US), Истман Кемикал Компани filed Critical Истман Кемикал Компани (US)
Publication of RU2005121568A publication Critical patent/RU2005121568A/ru

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
    • C07C51/47—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

Landscapes

  • 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)
RU2005121568/04A 2002-12-09 2003-12-03 Способ окислительной очистки терефталевой кислоты RU2005121568A (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US31529502A 2002-12-09 2002-12-09
US10/315,295 2002-12-09
US10/645,737 2003-08-21
US10/645,737 US7074954B2 (en) 2002-12-09 2003-08-21 Process for the oxidative purification of terephthalic acid

Publications (1)

Publication Number Publication Date
RU2005121568A true RU2005121568A (ru) 2006-01-20

Family

ID=32511022

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005121568/04A RU2005121568A (ru) 2002-12-09 2003-12-03 Способ окислительной очистки терефталевой кислоты

Country Status (11)

Country Link
US (1) US7358392B2 (enExample)
EP (1) EP1569888A1 (enExample)
JP (1) JP2006509045A (enExample)
KR (1) KR101004217B1 (enExample)
AU (1) AU2003293251A1 (enExample)
BR (1) BR0316462A (enExample)
CA (1) CA2505977C (enExample)
MX (1) MXPA05006120A (enExample)
PL (1) PL375596A1 (enExample)
RU (1) RU2005121568A (enExample)
WO (1) WO2004052821A1 (enExample)

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US7495125B2 (en) * 2004-09-02 2009-02-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7615663B2 (en) * 2004-09-02 2009-11-10 Eastman Chemical Company Optimized production of aromatic dicarboxylic acids
JP2008511665A (ja) * 2004-09-02 2008-04-17 イーストマン ケミカル カンパニー 最適化液相酸化
CN101766979B (zh) * 2004-09-02 2012-12-26 奇派特石化有限公司 优化的液相氧化
BRPI0514769A (pt) * 2004-09-02 2008-06-24 Eastmann Chemical Company processo de oxidação em fase lìquida
US7504535B2 (en) * 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) * 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7572932B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7361784B2 (en) * 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
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EP1671938B1 (en) * 2004-12-15 2006-12-13 Saudi Basic Industries Corporation Process for preparing purified terephthalic acid
CN100447124C (zh) * 2006-08-31 2008-12-31 无锡百川化工股份有限公司 利用间歇式鼓泡氧化塔多塔串联连续氧化生产偏苯三甲酸的方法
CN102199082B (zh) 2010-03-26 2016-08-17 英威达技术有限公司 芳香羧酸和氧化催化剂的回收
CN109251139B (zh) * 2018-11-02 2021-06-25 中国石油天然气集团有限公司 采用深度氧化的pia生产方法和生产系统

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Also Published As

Publication number Publication date
JP2006509045A (ja) 2006-03-16
PL375596A1 (en) 2005-12-12
BR0316462A (pt) 2005-10-11
US20060128987A1 (en) 2006-06-15
CA2505977A1 (en) 2004-06-24
MXPA05006120A (es) 2005-08-16
AU2003293251A1 (en) 2004-06-30
KR101004217B1 (ko) 2010-12-24
WO2004052821A1 (en) 2004-06-24
EP1569888A1 (en) 2005-09-07
US7358392B2 (en) 2008-04-15
KR20050085463A (ko) 2005-08-29
CA2505977C (en) 2009-08-25

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Effective date: 20070109