IN2012DN01279A - - Google Patents

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Publication number
IN2012DN01279A
IN2012DN01279A IN1279DEN2012A IN2012DN01279A IN 2012DN01279 A IN2012DN01279 A IN 2012DN01279A IN 1279DEN2012 A IN1279DEN2012 A IN 1279DEN2012A IN 2012DN01279 A IN2012DN01279 A IN 2012DN01279A
Authority
IN
India
Prior art keywords
filtrated
mother liquor
gas
liquid separation
cta
Prior art date
Application number
Other languages
English (en)
Inventor
Yao Ruikui
Luo Wende
Zhou Huatang
Zhang Chun
Wang Yingzhi
Original Assignee
China Nat Petroleum Corp
China Textile Ind Eng Inst
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 China Nat Petroleum Corp, China Textile Ind Eng Inst filed Critical China Nat Petroleum Corp
Publication of IN2012DN01279A publication Critical patent/IN2012DN01279A/en

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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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IN1279DEN2012 2009-08-13 2009-12-07 IN2012DN01279A (lt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009100905099A CN101624342B (zh) 2009-08-13 2009-08-13 精对苯二甲酸制备中cta分离过滤的方法及系统
PCT/CN2009/075363 WO2011017870A1 (zh) 2009-08-13 2009-12-07 精对苯二甲酸制备中cta分离过滤的方法及系统

Publications (1)

Publication Number Publication Date
IN2012DN01279A true IN2012DN01279A (lt) 2015-05-15

Family

ID=41520357

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1279DEN2012 IN2012DN01279A (lt) 2009-08-13 2009-12-07

Country Status (4)

Country Link
CN (1) CN101624342B (lt)
IN (1) IN2012DN01279A (lt)
RU (1) RU2505525C2 (lt)
WO (1) WO2011017870A1 (lt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102311386B (zh) * 2010-07-02 2013-05-15 天华化工机械及自动化研究设计院有限公司 己内酰胺悬浮液过滤、洗涤方法
GB201102476D0 (en) * 2011-02-11 2011-03-30 Davy Process Techn Ltd Process
CN102659574B (zh) * 2012-05-15 2015-03-11 中国昆仑工程公司 深度氧化法kpta生产中的结晶分离方法及装备
CN103386227B (zh) * 2013-07-08 2015-05-27 嘉兴石化有限公司 精对苯二甲酸生产用转鼓式压力过滤机的改进方法
CN106076068B (zh) * 2016-08-08 2018-09-07 飞潮（无锡）过滤技术有限公司 一种固液分离过程中气体收集的闭路内循环装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2595657B2 (ja) * 1988-05-27 1997-04-02 三井石油化学工業株式会社 スラリーから結晶を回収する方法
AU1803697A (en) * 1996-02-22 1997-09-10 E.I. Du Pont De Nemours And Company Production of aromatic polycarboxylic acids
CN100522915C (zh) * 2005-12-27 2009-08-05 艾博特(厦门)设备工程有限公司 一种用来分离粗对苯二甲酸(cta)的方法
WO2009024872A2 (en) * 2007-05-31 2009-02-26 Dow Italia S.R.L. Improved process for the recovery of terephthalic acid
CN101318894B (zh) * 2007-06-04 2012-05-09 中国纺织工业设计院 对苯二甲酸的分离提纯方法及其装置

Also Published As

Publication number Publication date
RU2012105734A (ru) 2013-09-27
WO2011017870A1 (zh) 2011-02-17
RU2505525C2 (ru) 2014-01-27
CN101624342B (zh) 2012-10-31
CN101624342A (zh) 2010-01-13

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