IN2012DN01279A - - Google Patents

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Info

Publication number: IN2012DN01279A
Authority: IN; India
Prior art keywords: filtrated; mother liquor; gas; liquid separation; cta
Prior art date: 2009-08-13

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.)

2009-08-13

Filing date

2009-12-07

Publication date

2015-05-15

2009-12-07 Application filed by China Nat Petroleum Corp, China Textile Ind Eng Inst filed Critical China Nat Petroleum Corp

2015-05-15 Publication of IN2012DN01279A publication Critical patent/IN2012DN01279A/en

Links

239000012452 mother liquor Substances 0.000 abstract 5
KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 2
239000012535 impurity Substances 0.000 abstract 2
239000007788 liquid Substances 0.000 abstract 2
238000000034 method Methods 0.000 abstract 2
238000000926 separation method Methods 0.000 abstract 2
239000012065 filter cake Substances 0.000 abstract 1
238000001914 filtration Methods 0.000 abstract 1
239000012530 fluid Substances 0.000 abstract 1
238000002360 preparation method Methods 0.000 abstract 1
238000004064 recycling Methods 0.000 abstract 1
239000002002 slurry Substances 0.000 abstract 1
238000005406 washing Methods 0.000 abstract 1

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 (fr)

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 (fr)	2009-08-13	2009-12-07	Procédé et système de séparation et de filtrage dacide téréphtalique brut utiles dans la préparation dacide téréphtalique raffiné

Publications (1)

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

Family

ID=41520357

Family Applications (1)

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

Country Status (4)

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

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
TR199801626T2 (xx) *	1996-02-22	1999-08-23	E.I. Du Pont De Nemours And Company	Aromatik polikarboksilik asitlerin �retilmesi.
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 (fr) *	2007-05-31	2009-02-26	Dow Italia S.R.L.	Procédé amélioré de récupération d'acide téréphtalique
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

2009
- 2009-08-13 CN CN2009100905099A patent/CN101624342B/zh active Active
- 2009-12-07 WO PCT/CN2009/075363 patent/WO2011017870A1/fr not_active Ceased
- 2009-12-07 IN IN1279DEN2012 patent/IN2012DN01279A/en unknown
- 2009-12-07 RU RU2012105734/04A patent/RU2505525C2/ru active

Also Published As

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

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