CA1093786A - Production of sodium sulfite - Google Patents

Production of sodium sulfite

Info

Publication number
CA1093786A
CA1093786A CA270,648A CA270648A CA1093786A CA 1093786 A CA1093786 A CA 1093786A CA 270648 A CA270648 A CA 270648A CA 1093786 A CA1093786 A CA 1093786A
Authority
CA
Canada
Prior art keywords
solution
sodium sulfite
sodium
crystals
ppm
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
CA270,648A
Other languages
English (en)
French (fr)
Inventor
Robert J. Hoffman
Samuel L. Bean
Philip Seeling
James W. Swaine, Jr.
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.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 US05/653,876 external-priority patent/US4003985A/en
Application filed by Allied Chemical Corp filed Critical Allied Chemical Corp
Application granted granted Critical
Publication of CA1093786A publication Critical patent/CA1093786A/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
    • C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
    • C01D5/14—Preparation of sulfites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Compounds Of Iron (AREA)
CA270,648A 1976-01-30 1977-01-28 Production of sodium sulfite Expired CA1093786A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US653,876 1976-01-30
US05/653,876 US4003985A (en) 1976-01-30 1976-01-30 Production of sodium sulfite
US711,326 1976-08-03
US05/711,326 US4112061A (en) 1976-01-30 1976-08-03 Production of sodium sulfite utilizing mother liquor from the sodium metabisulfite process

Publications (1)

Publication Number Publication Date
CA1093786A true CA1093786A (en) 1981-01-20

Family

ID=27096610

Family Applications (1)

Application Number Title Priority Date Filing Date
CA270,648A Expired CA1093786A (en) 1976-01-30 1977-01-28 Production of sodium sulfite

Country Status (9)

Country Link
JP (1) JPS6054887B2 (ja)
BR (1) BR7700565A (ja)
CA (1) CA1093786A (ja)
DE (1) DE2703480A1 (ja)
ES (1) ES455395A1 (ja)
FR (1) FR2339573A1 (ja)
GB (1) GB1520698A (ja)
IT (1) IT1202407B (ja)
MX (1) MX143611A (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2940697C2 (de) * 1979-10-08 1982-02-25 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von Natriumsulfit
US8366793B2 (en) 2007-11-12 2013-02-05 Solvay Chemicals, Inc. Method of decarbonation and its use in producing crystalline sodium sulfite or other alkali products

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1096883B (de) * 1959-09-25 1961-01-12 Basf Ag Verfahren zur Herstellung von festem Alkalisulfit
DE1186450B (de) * 1963-04-05 1965-02-04 Basf Ag Verfahren zur Herstellung von reinem Natriumbisulfit und -sulfit
DE1252188C2 (de) * 1963-12-30 1973-07-26 Verfahren zum herstellen von wasserfreiem natriumsulfit
PL89623B1 (ja) * 1973-12-27 1976-11-30
JPS5322192A (en) * 1976-08-13 1978-03-01 Nisso Kinzoku Kk Manufacturing process for higher purity sodium sulfite anhydride

Also Published As

Publication number Publication date
DE2703480C2 (ja) 1988-03-10
IT1202407B (it) 1989-02-09
GB1520698A (en) 1978-08-09
JPS6054887B2 (ja) 1985-12-02
MX143611A (es) 1981-06-10
ES455395A1 (es) 1978-03-01
DE2703480A1 (de) 1977-08-04
JPS5294895A (en) 1977-08-09
FR2339573B1 (ja) 1982-10-01
FR2339573A1 (fr) 1977-08-26
BR7700565A (pt) 1977-10-04

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Legal Events

Date Code Title Description
MKEX Expiry