FR1438722A - Procédé de cristallisation - Google Patents

Procédé de cristallisation

Info

Publication number
FR1438722A
FR1438722A FR21096A FR21096A FR1438722A FR 1438722 A FR1438722 A FR 1438722A FR 21096 A FR21096 A FR 21096A FR 21096 A FR21096 A FR 21096A FR 1438722 A FR1438722 A FR 1438722A
Authority
FR
France
Prior art keywords
crystallization process
crystallization
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
FR21096A
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.)
Solvay SA
Imperial Chemical Industries Ltd
Original Assignee
Solvay SA
Imperial Chemical Industries Ltd
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 GB24919/64A external-priority patent/GB1101348A/en
Application filed by Solvay SA, Imperial Chemical Industries Ltd filed Critical Solvay SA
Priority to FR21096A priority Critical patent/FR1438722A/fr
Application granted granted Critical
Publication of FR1438722A publication Critical patent/FR1438722A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/18—Preparation by the ammonia-soda process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
FR21096A 1964-06-16 1965-06-16 Procédé de cristallisation Expired FR1438722A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR21096A FR1438722A (fr) 1964-06-16 1965-06-16 Procédé de cristallisation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB24919/64A GB1101348A (en) 1964-06-16 1964-06-16 Improvements in sodium bicarbonate manufacture by the ammonia-soda process
FR21096A FR1438722A (fr) 1964-06-16 1965-06-16 Procédé de cristallisation

Publications (1)

Publication Number Publication Date
FR1438722A true FR1438722A (fr) 1966-05-13

Family

ID=26164132

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21096A Expired FR1438722A (fr) 1964-06-16 1965-06-16 Procédé de cristallisation

Country Status (1)

Country Link
FR (1) FR1438722A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015626A2 (fr) * 1979-03-12 1980-09-17 SOLVAY & Cie (Société Anonyme) Procédé et installation pour la préparation de cristaux de bicarbonate de sodium

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0015626A2 (fr) * 1979-03-12 1980-09-17 SOLVAY & Cie (Société Anonyme) Procédé et installation pour la préparation de cristaux de bicarbonate de sodium
EP0015626A3 (en) * 1979-03-12 1980-10-01 Solvay & Cie (Societe Anonyme) Process and plant for preparing sodium bicarbonate crystals
FR2451344A1 (fr) * 1979-03-12 1980-10-10 Solvay Procede et installation pour la preparation de cristaux de bicarbonate de sodium

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