JPS5395935A - Process for cyclic recrystalization - Google Patents

Process for cyclic recrystalization

Info

Publication number
JPS5395935A
JPS5395935A JP6696075A JP6696075A JPS5395935A JP S5395935 A JPS5395935 A JP S5395935A JP 6696075 A JP6696075 A JP 6696075A JP 6696075 A JP6696075 A JP 6696075A JP S5395935 A JPS5395935 A JP S5395935A
Authority
JP
Japan
Prior art keywords
recrystalization
cyclic
cyclic recrystalization
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.)
Pending
Application number
JP6696075A
Other languages
English (en)
Inventor
Natsusaa Jiyon
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.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of JPS5395935A publication Critical patent/JPS5395935A/ja
Pending 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
    • B01D9/0009—Crystallisation cooling by heat exchange by direct heat exchange with added cooling fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP6696075A 1969-03-07 1975-06-03 Process for cyclic recrystalization Pending JPS5395935A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80518769A 1969-03-07 1969-03-07

Publications (1)

Publication Number Publication Date
JPS5395935A true JPS5395935A (en) 1978-08-22

Family

ID=25190884

Family Applications (2)

Application Number Title Priority Date Filing Date
JP45019259A Pending JPS4924468B1 (ja) 1969-03-07 1970-03-07
JP6696075A Pending JPS5395935A (en) 1969-03-07 1975-06-03 Process for cyclic recrystalization

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP45019259A Pending JPS4924468B1 (ja) 1969-03-07 1970-03-07

Country Status (6)

Country Link
US (1) US3660478A (ja)
JP (2) JPS4924468B1 (ja)
BE (1) BE746995A (ja)
CH (1) CH537353A (ja)
FR (1) FR2037551A5 (ja)
NL (1) NL7001163A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2606364B2 (de) * 1976-02-18 1981-07-30 Basf Ag, 6700 Ludwigshafen Verfahren zur Stofftrennung aus einem flüssigen Gemisch durch fraktionierte Kristallisation
JPS52168661U (ja) * 1976-06-15 1977-12-21
DE2714985C2 (de) * 1977-04-04 1982-05-06 Chemische Werke Hüls AG, 4370 Marl Verfahren zur Reinigung von Terephthalsäure
IT1163145B (it) * 1983-03-11 1987-04-08 Friuli Chim Spa Preparazione di acido benzoico puro

Also Published As

Publication number Publication date
DE2004274A1 (de) 1970-09-24
NL7001163A (ja) 1970-09-09
US3660478A (en) 1972-05-02
DE2004274B2 (de) 1976-05-06
FR2037551A5 (ja) 1970-12-31
BE746995A (fr) 1970-09-07
CH537353A (de) 1973-05-31
JPS4924468B1 (ja) 1974-06-22

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