SE8304825L - SET TO MAKE SODIUM DITIONITY PREPARATION USEFUL COMPOSITIONS AND THE USE OF SUCH COMPOSITIONS - Google Patents

SET TO MAKE SODIUM DITIONITY PREPARATION USEFUL COMPOSITIONS AND THE USE OF SUCH COMPOSITIONS

Info

Publication number
SE8304825L
SE8304825L SE8304825A SE8304825A SE8304825L SE 8304825 L SE8304825 L SE 8304825L SE 8304825 A SE8304825 A SE 8304825A SE 8304825 A SE8304825 A SE 8304825A SE 8304825 L SE8304825 L SE 8304825L
Authority
SE
Sweden
Prior art keywords
compositions
ditionity
na2o
make sodium
preparation useful
Prior art date
Application number
SE8304825A
Other languages
Swedish (sv)
Other versions
SE8304825D0 (en
SE446720B (en
Inventor
R Bernhard
Original Assignee
Stora Kopparbergs Bergslags Ab
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 Stora Kopparbergs Bergslags Ab filed Critical Stora Kopparbergs Bergslags Ab
Priority to SE8304825A priority Critical patent/SE446720B/en
Publication of SE8304825D0 publication Critical patent/SE8304825D0/en
Priority to FI843490A priority patent/FI74452C/en
Priority to NO843566A priority patent/NO162276C/en
Publication of SE8304825L publication Critical patent/SE8304825L/en
Publication of SE446720B publication Critical patent/SE446720B/en
Priority to JP61262892A priority patent/JPH0747483B2/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/64—Thiosulfates; Dithionites; Polythionates
    • C01B17/66—Dithionites or hydrosulfites (S2O42-)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

A method for producing compositions used in sodium dithionite production is presented, in which SO2 is brought into contact with a recirculating water solution of NaOH and previously absorbed SO2 at a ratio between SO2 and the sum of SO2 and Na2O of 0.61-0.66, preferably 0.63-0.65, after which the mixture is transferred to a pressure vessel and liquid SO2 is introduced into the mixture at a ratio between SO2 and the sum of SO2 and Na2O of 0.75-0.79, preferably around 0.775, and a concentration of SO2+Na2O of 40-46 percent by weight, preferably 43-44 percent by weight. The invention is also the use of the produced composition for dithionite production.
SE8304825A 1983-09-08 1983-09-08 Method for producing compositions used in sodium dithionite production and the use thereof SE446720B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8304825A SE446720B (en) 1983-09-08 1983-09-08 Method for producing compositions used in sodium dithionite production and the use thereof
FI843490A FI74452C (en) 1983-09-08 1984-09-06 Methods for preparing sodium dithionite preparation useful compositions and the use of such compositions.
NO843566A NO162276C (en) 1983-09-08 1984-09-07 PROCEDURE FOR THE PREPARATION OF SODIUM DITIONIT PREPARATION FOR USE OF MIXTURES AND APPLICATION OF SUCH MIXTURES.
JP61262892A JPH0747483B2 (en) 1983-09-08 1986-11-06 Process for producing composition usable for producing sodium dithionite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8304825A SE446720B (en) 1983-09-08 1983-09-08 Method for producing compositions used in sodium dithionite production and the use thereof

Publications (3)

Publication Number Publication Date
SE8304825D0 SE8304825D0 (en) 1983-09-08
SE8304825L true SE8304825L (en) 1985-03-09
SE446720B SE446720B (en) 1986-10-06

Family

ID=20352414

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8304825A SE446720B (en) 1983-09-08 1983-09-08 Method for producing compositions used in sodium dithionite production and the use thereof

Country Status (4)

Country Link
JP (1) JPH0747483B2 (en)
FI (1) FI74452C (en)
NO (1) NO162276C (en)
SE (1) SE446720B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4680136A (en) * 1985-05-07 1987-07-14 Stora Kopparbergs Bergslags Ab Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions

Also Published As

Publication number Publication date
NO162276C (en) 1989-12-06
JPH0747483B2 (en) 1995-05-24
SE8304825D0 (en) 1983-09-08
JPS63117901A (en) 1988-05-21
NO843566L (en) 1985-03-11
FI843490A (en) 1985-03-09
SE446720B (en) 1986-10-06
FI843490A0 (en) 1984-09-06
FI74452B (en) 1987-10-30
NO162276B (en) 1989-08-28
FI74452C (en) 1988-02-08

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