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GB1498613A - Purification of caustic alkali containing fluorine compound - Google Patents

Purification of caustic alkali containing fluorine compound

Info

Publication number
GB1498613A
GB1498613A GB4130576A GB4130576A GB1498613A GB 1498613 A GB1498613 A GB 1498613A GB 4130576 A GB4130576 A GB 4130576A GB 4130576 A GB4130576 A GB 4130576A GB 1498613 A GB1498613 A GB 1498613A
Authority
GB
United Kingdom
Prior art keywords
caustic alkali
fluorine compound
purification
containing fluorine
alkali containing
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
GB4130576A
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.)
Tosoh Corp
Original Assignee
Toyo Soda Manufacturing Co 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
Application filed by Toyo Soda Manufacturing Co Ltd filed Critical Toyo Soda Manufacturing Co Ltd
Publication of GB1498613A publication Critical patent/GB1498613A/en
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
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C01D1/32—Purification; Separation by absorption or precipitation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1498613 Purifying caustic alkali solutions TOYO SODA MFG CO Ltd 5 Oct 1976 [7 Oct 1975] 41305/76 Heading C1A An aqueous caustic alkali solution containing a fluorine compound as impurity is purified by treatment with MgSO 4 , CaSO 4 , SrSO 4 , or BaSO 4 , which may be added as solid or an aqueous slurry, to form a suspension or precipitate, which is then removed.
GB4130576A 1975-10-07 1976-10-05 Purification of caustic alkali containing fluorine compound Expired GB1498613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12033375A JPS5244793A (en) 1975-10-07 1975-10-07 Refinement of caustic alkali containing fluorine compound

Publications (1)

Publication Number Publication Date
GB1498613A true GB1498613A (en) 1978-01-25

Family

ID=14783658

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4130576A Expired GB1498613A (en) 1975-10-07 1976-10-05 Purification of caustic alkali containing fluorine compound

Country Status (3)

Country Link
JP (1) JPS5244793A (en)
GB (1) GB1498613A (en)
KE (1) KE2869A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3196165A1 (en) * 2013-11-12 2017-07-26 Solvay SA Concentrated aqueous sodium hydroxide solution and process for treating a sodium carbonate purge

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6402274B1 (en) * 2018-05-19 2018-10-10 株式会社センテック CO2 emission reduction treatment method for combustion exhaust gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3196165A1 (en) * 2013-11-12 2017-07-26 Solvay SA Concentrated aqueous sodium hydroxide solution and process for treating a sodium carbonate purge

Also Published As

Publication number Publication date
JPS5244793A (en) 1977-04-08
KE2869A (en) 1978-08-18
JPS5347319B2 (en) 1978-12-20

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee