FR691794A - Process for obtaining large crystal salts of their aqueous solutions by cooling the solution with the use of vacuum - Google Patents

Process for obtaining large crystal salts of their aqueous solutions by cooling the solution with the use of vacuum

Info

Publication number
FR691794A
FR691794A FR691794DA FR691794A FR 691794 A FR691794 A FR 691794A FR 691794D A FR691794D A FR 691794DA FR 691794 A FR691794 A FR 691794A
Authority
FR
France
Prior art keywords
vacuum
cooling
solution
aqueous solutions
large crystal
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
Other languages
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.)
Societe Anonyme des Ateliers de Constructions Mecaniques Escher Wyss et Cie SA
Original Assignee
Societe Anonyme des Ateliers de Constructions Mecaniques Escher Wyss et Cie 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 Societe Anonyme des Ateliers de Constructions Mecaniques Escher Wyss et Cie SA filed Critical Societe Anonyme des Ateliers de Constructions Mecaniques Escher Wyss et Cie SA
Application granted granted Critical
Publication of FR691794A publication Critical patent/FR691794A/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
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
FR691794D 1930-03-12 1930-03-12 Process for obtaining large crystal salts of their aqueous solutions by cooling the solution with the use of vacuum Expired FR691794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR691794T 1930-03-12

Publications (1)

Publication Number Publication Date
FR691794A true FR691794A (en) 1930-10-27

Family

ID=9034931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR691794D Expired FR691794A (en) 1930-03-12 1930-03-12 Process for obtaining large crystal salts of their aqueous solutions by cooling the solution with the use of vacuum

Country Status (1)

Country Link
FR (1) FR691794A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257102B (en) * 1963-04-29 1967-12-28 Chicago Bridge & Iron Co Classifying vacuum crystallizer
DE1288562B (en) * 1962-03-20 1969-02-06 Ogrizek Dore Process for concentrating aqueous solutions
DE1301299B (en) * 1964-03-05 1969-08-21 Inst Leichtbau Und Oekonomisch Device for vacuum crystallization of solutions
CN109045745A (en) * 2018-08-10 2018-12-21 国家海洋局天津海水淡化与综合利用研究所 A kind of band promotes the continuous vacuum equipment of crystallisation by cooling of water conservancy diversion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288562B (en) * 1962-03-20 1969-02-06 Ogrizek Dore Process for concentrating aqueous solutions
DE1257102B (en) * 1963-04-29 1967-12-28 Chicago Bridge & Iron Co Classifying vacuum crystallizer
DE1301299B (en) * 1964-03-05 1969-08-21 Inst Leichtbau Und Oekonomisch Device for vacuum crystallization of solutions
CN109045745A (en) * 2018-08-10 2018-12-21 国家海洋局天津海水淡化与综合利用研究所 A kind of band promotes the continuous vacuum equipment of crystallisation by cooling of water conservancy diversion

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