GB944342A - Improvements in processes for the purification of crystallized substances - Google Patents

Improvements in processes for the purification of crystallized substances

Info

Publication number
GB944342A
GB944342A GB75394/60A GB7539460A GB944342A GB 944342 A GB944342 A GB 944342A GB 75394/60 A GB75394/60 A GB 75394/60A GB 7539460 A GB7539460 A GB 7539460A GB 944342 A GB944342 A GB 944342A
Authority
GB
United Kingdom
Prior art keywords
liquid
crystals
paraxylene
impure
referred
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
GB75394/60A
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.)
Antargaz Distribution de Gaz SA
Original Assignee
Antargaz Distribution de Gaz SA
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 Antargaz Distribution de Gaz SA filed Critical Antargaz Distribution de Gaz SA
Publication of GB944342A publication Critical patent/GB944342A/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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB75394/60A 1959-06-05 1960-05-02 Improvements in processes for the purification of crystallized substances Expired GB944342A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR796719A FR1236126A (fr) 1959-06-05 1959-06-05 Procédé de purification de substances cristallisées

Publications (1)

Publication Number Publication Date
GB944342A true GB944342A (en) 1963-12-11

Family

ID=8715681

Family Applications (1)

Application Number Title Priority Date Filing Date
GB75394/60A Expired GB944342A (en) 1959-06-05 1960-05-02 Improvements in processes for the purification of crystallized substances

Country Status (4)

Country Link
DE (1) DE1175204B (en, 2012)
FR (1) FR1236126A (en, 2012)
GB (1) GB944342A (en, 2012)
NL (1) NL252271A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE790871A (nl) * 1971-11-12 1973-05-03 Shell Int Research Werkwijze voor het scheiden van vloeistoffen en vaste stoffen door middel van filtratie

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881344C (de) * 1950-06-09 1953-08-10 Phillips Petroleum Co Verfahren und Vorrichtung zur Abtrennung und Reinigung mindestens einer der Komponenten eines fluessigen, mehrere Komponenten ent-haltenden organischen Gemisches
FR1174056A (fr) * 1956-02-25 1959-03-05 Power Gas Ltd Perfectionnements à l'obtention de cristaux à partir de solutions

Also Published As

Publication number Publication date
NL252271A (en, 2012)
FR1236126A (fr) 1960-07-15
DE1175204B (de) 1964-08-06

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