GB1368709A - Continuous crystallization - Google Patents

Continuous crystallization

Info

Publication number
GB1368709A
GB1368709A GB5896572A GB5896572A GB1368709A GB 1368709 A GB1368709 A GB 1368709A GB 5896572 A GB5896572 A GB 5896572A GB 5896572 A GB5896572 A GB 5896572A GB 1368709 A GB1368709 A GB 1368709A
Authority
GB
United Kingdom
Prior art keywords
solution
vessel
outlet
cooling
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5896572A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Publication of GB1368709A publication Critical patent/GB1368709A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB5896572A 1971-12-28 1972-12-20 Continuous crystallization Expired GB1368709A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46105709A JPS5234590B2 (enExample) 1971-12-28 1971-12-28

Publications (1)

Publication Number Publication Date
GB1368709A true GB1368709A (en) 1974-10-02

Family

ID=14414858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5896572A Expired GB1368709A (en) 1971-12-28 1972-12-20 Continuous crystallization

Country Status (5)

Country Link
US (1) US3899530A (enExample)
JP (1) JPS5234590B2 (enExample)
DE (1) DE2261801C3 (enExample)
GB (1) GB1368709A (enExample)
IT (1) IT976160B (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5929274A (en) * 1995-06-07 1999-07-27 Hfm International, Inc. Method to reduce carboxybenzaldehyde isomers in terephthalic acid or isophthalic acid
US6013835A (en) * 1995-06-07 2000-01-11 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
US6054610A (en) * 1995-06-07 2000-04-25 Hfm International, Inc. Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
FR2749300B1 (fr) * 1996-06-04 1998-07-17 Rhone Poulenc Fibres Procede de purification de l'acide adipique par cristallisation
US7371894B2 (en) * 2004-09-02 2008-05-13 Eastman Chemical Company Optimized liquid-phase oxidation
US7910769B2 (en) 2004-09-02 2011-03-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7495125B2 (en) 2004-09-02 2009-02-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7608732B2 (en) 2005-03-08 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7582793B2 (en) 2004-09-02 2009-09-01 Eastman Chemical Company Optimized liquid-phase oxidation
US7572932B2 (en) * 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7507857B2 (en) 2004-09-02 2009-03-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7381836B2 (en) 2004-09-02 2008-06-03 Eastman Chemical Company Optimized liquid-phase oxidation
US7399882B2 (en) 2004-09-02 2008-07-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7361784B2 (en) 2004-09-02 2008-04-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7608733B2 (en) 2004-09-02 2009-10-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7692037B2 (en) * 2004-09-02 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7563926B2 (en) * 2004-09-02 2009-07-21 Eastman Chemical Company Optimized liquid-phase oxidation
US7741515B2 (en) 2004-09-02 2010-06-22 Eastman Chemical Company Optimized liquid-phase oxidation
US7586000B2 (en) 2004-09-02 2009-09-08 Eastman Chemical Company Optimized liquid-phase oxidation
US7683210B2 (en) 2004-09-02 2010-03-23 Eastman Chemical Company Optimized liquid-phase oxidation
US7504535B2 (en) 2004-09-02 2009-03-17 Eastman Chemical Company Optimized liquid-phase oxidation
US7390921B2 (en) 2004-09-02 2008-06-24 Eastman Chemical Company Optimized liquid-phase oxidation
US7572936B2 (en) 2004-09-02 2009-08-11 Eastman Chemical Company Optimized liquid-phase oxidation
US7589231B2 (en) 2004-09-02 2009-09-15 Eastman Chemical Company Optimized liquid-phase oxidation
US7482482B2 (en) 2004-09-02 2009-01-27 Eastman Chemical Company Optimized liquid-phase oxidation
US7568361B2 (en) 2004-09-02 2009-08-04 Eastman Chemical Company Optimized liquid-phase oxidation
US7692036B2 (en) 2004-11-29 2010-04-06 Eastman Chemical Company Optimized liquid-phase oxidation
US7884232B2 (en) * 2005-06-16 2011-02-08 Eastman Chemical Company Optimized liquid-phase oxidation
US7355068B2 (en) 2006-01-04 2008-04-08 Eastman Chemical Company Oxidation system with internal secondary reactor
US7358389B2 (en) * 2006-01-04 2008-04-15 Eastman Chemical Company Oxidation system employing internal structure for enhanced hydrodynamics
CN106166400B (zh) * 2016-08-05 2018-05-08 大连理工大学 一种膜辅助控制的溶析结晶装置及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2848488A (en) * 1954-05-18 1958-08-19 Richfield Oil Corp Crystallization of phthalic acids
US3029278A (en) * 1958-12-11 1962-04-10 Standard Oil Co Process for separation of phthalic acids
US3497552A (en) * 1966-07-18 1970-02-24 Standard Oil Co Continuous crystallization in a plurality of cooling stages using dilutions by cooled solvent of feed to each stage

Also Published As

Publication number Publication date
DE2261801B2 (de) 1977-09-22
JPS5234590B2 (enExample) 1977-09-03
US3899530A (en) 1975-08-12
DE2261801A1 (de) 1973-07-12
JPS4871376A (enExample) 1973-09-27
DE2261801C3 (de) 1978-05-18
IT976160B (it) 1974-08-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee