IT1219783B - Procedimento e apparecchio per la purificazione di qualsisi prodotto cristalizzabile in particolare di soluzioni a bassa concentrazione - Google Patents

Procedimento e apparecchio per la purificazione di qualsisi prodotto cristalizzabile in particolare di soluzioni a bassa concentrazione

Info

Publication number
IT1219783B
IT1219783B IT24841/81A IT2484181A IT1219783B IT 1219783 B IT1219783 B IT 1219783B IT 24841/81 A IT24841/81 A IT 24841/81A IT 2484181 A IT2484181 A IT 2484181A IT 1219783 B IT1219783 B IT 1219783B
Authority
IT
Italy
Prior art keywords
crystalisable
purification
procedure
product
low concentration
Prior art date
Application number
IT24841/81A
Other languages
English (en)
Other versions
IT8124841A0 (it
Inventor
Gilbert Schwartz
Original Assignee
B E F S Engineerings S A 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
Priority claimed from FR8023769A external-priority patent/FR2493172A1/fr
Priority claimed from FR8108509A external-priority patent/FR2504403B1/fr
Application filed by B E F S Engineerings S A Sa filed Critical B E F S Engineerings S A Sa
Publication of IT8124841A0 publication Critical patent/IT8124841A0/it
Application granted granted Critical
Publication of IT1219783B publication Critical patent/IT1219783B/it

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
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT24841/81A 1980-11-04 1981-11-03 Procedimento e apparecchio per la purificazione di qualsisi prodotto cristalizzabile in particolare di soluzioni a bassa concentrazione IT1219783B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8023769A FR2493172A1 (fr) 1980-11-04 1980-11-04 Procede et appareil pour la purification de tout produit cristallisable
FR8108509A FR2504403B1 (fr) 1981-04-27 1981-04-27 Procede de cristallisation de solutions a faible concentration

Publications (2)

Publication Number Publication Date
IT8124841A0 IT8124841A0 (it) 1981-11-03
IT1219783B true IT1219783B (it) 1990-05-24

Family

ID=26222064

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24841/81A IT1219783B (it) 1980-11-04 1981-11-03 Procedimento e apparecchio per la purificazione di qualsisi prodotto cristalizzabile in particolare di soluzioni a bassa concentrazione

Country Status (3)

Country Link
EP (1) EP0051551A1 (it)
CH (1) CH645278A5 (it)
IT (1) IT1219783B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795571A (en) * 1987-02-20 1989-01-03 Basf Aktiengesellschaft Purification of frozen crystal layers
FR3056411B1 (fr) * 2016-09-27 2021-08-06 Fives Proabd Procede de purification par cristalisation et installation pour la mise en oeuvre d'un tel procede

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB493992A (en) * 1938-01-03 1938-10-18 Evence Coppee & Cie Improvements relating to the recovery of naphthalene
DE1034588B (de) * 1956-09-22 1958-07-24 Ewald A Zdansky Kristallisierapparat fuer die Kuehlungs-Kristallisation
US3305320A (en) * 1963-07-22 1967-02-21 Phillips Petroleum Co Purification of aluminum nitrate by alternate melting and crystallization
US3392539A (en) * 1965-08-23 1968-07-16 Phillips Petroleum Co Fractional crystallization
FR1555614A (it) * 1967-09-05 1969-01-31

Also Published As

Publication number Publication date
IT8124841A0 (it) 1981-11-03
CH645278A5 (fr) 1984-09-28
EP0051551A1 (fr) 1982-05-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951219