FR2149718A5 - Rectifying crystallization of mixtures partic - isomers - Google Patents

Rectifying crystallization of mixtures partic - isomers

Info

Publication number
FR2149718A5
FR2149718A5 FR7147753A FR7147753A FR2149718A5 FR 2149718 A5 FR2149718 A5 FR 2149718A5 FR 7147753 A FR7147753 A FR 7147753A FR 7147753 A FR7147753 A FR 7147753A FR 2149718 A5 FR2149718 A5 FR 2149718A5
Authority
FR
France
Prior art keywords
crystallization
temp
rectifying
partic
isomers
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
FR7147753A
Other languages
English (en)
French (fr)
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Application granted granted Critical
Publication of FR2149718A5 publication Critical patent/FR2149718A5/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
    • 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

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)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7147753A 1971-08-03 1971-12-31 Rectifying crystallization of mixtures partic - isomers Expired FR2149718A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2138681A DE2138681A1 (de) 1971-08-03 1971-08-03 Verfahren zur zerlegung von stoffgemischen durch rektifizierende kristallisation

Publications (1)

Publication Number Publication Date
FR2149718A5 true FR2149718A5 (en) 1973-03-30

Family

ID=5815580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7147753A Expired FR2149718A5 (en) 1971-08-03 1971-12-31 Rectifying crystallization of mixtures partic - isomers

Country Status (2)

Country Link
DE (1) DE2138681A1 (de)
FR (1) FR2149718A5 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034852A2 (de) * 1980-02-13 1981-09-02 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO Kristallisationskolonne und Verfahren zum Herstellen einer Kristallisation in einer solchen Kolonne
EP0196128A1 (de) * 1985-03-25 1986-10-01 Duphar International Research B.V Anlage zum Konzentrieren von Lösungen

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5966305A (ja) * 1982-10-05 1984-04-14 Tsukishima Kikai Co Ltd 向流式溶融物冷却精製法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034852A2 (de) * 1980-02-13 1981-09-02 Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO Kristallisationskolonne und Verfahren zum Herstellen einer Kristallisation in einer solchen Kolonne
EP0034852A3 (en) * 1980-02-13 1982-01-13 Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek A crystallization column and method for performing a crystallization in such a column
US4400189A (en) * 1980-02-13 1983-08-23 Nederlandse Centrale Organisatie Voor Toegepast Natuurwetenschapplijk Onder Zoek Pulsed crystallization column and method of countercurrent crystallization
EP0196128A1 (de) * 1985-03-25 1986-10-01 Duphar International Research B.V Anlage zum Konzentrieren von Lösungen

Also Published As

Publication number Publication date
DE2138681A1 (de) 1973-02-08

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FR2149718A5 (en) Rectifying crystallization of mixtures partic - isomers
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Legal Events

Date Code Title Description
ST Notification of lapse