BR7700565A - Processo para producao de sulfito de sodio anidro - Google Patents

Processo para producao de sulfito de sodio anidro

Info

Publication number
BR7700565A
BR7700565A BR7700565A BR7700565A BR7700565A BR 7700565 A BR7700565 A BR 7700565A BR 7700565 A BR7700565 A BR 7700565A BR 7700565 A BR7700565 A BR 7700565A BR 7700565 A BR7700565 A BR 7700565A
Authority
BR
Brazil
Prior art keywords
production
anhydrous sodium
sodium sulphite
sulphite
anhydrous
Prior art date
Application number
BR7700565A
Other languages
English (en)
Portuguese (pt)
Inventor
P Seeling
J Swaine
R Hoffman
S Bean
Original Assignee
Allied Chem
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 Chem filed Critical Allied Chem
Publication of BR7700565A publication Critical patent/BR7700565A/pt

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)
BR7700565A 1976-01-30 1977-01-28 Processo para producao de sulfito de sodio anidro BR7700565A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/653,876 US4003985A (en) 1976-01-30 1976-01-30 Production of sodium sulfite
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
BR7700565A true BR7700565A (pt) 1977-10-04

Family

ID=27096610

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7700565A BR7700565A (pt) 1976-01-30 1977-01-28 Processo para producao de sulfito de sodio anidro

Country Status (9)

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

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
BE657772A (cs) * 1963-12-30
PL89623B1 (cs) * 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
ES455395A1 (es) 1978-03-01
FR2339573A1 (fr) 1977-08-26
DE2703480A1 (de) 1977-08-04
MX143611A (es) 1981-06-10
DE2703480C2 (cs) 1988-03-10
JPS5294895A (en) 1977-08-09
GB1520698A (en) 1978-08-09
IT1202407B (it) 1989-02-09
CA1093786A (en) 1981-01-20
JPS6054887B2 (ja) 1985-12-02
FR2339573B1 (cs) 1982-10-01

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