NO168699C - Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger. - Google Patents

Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger.

Info

Publication number
NO168699C
NO168699C NO861801A NO861801A NO168699C NO 168699 C NO168699 C NO 168699C NO 861801 A NO861801 A NO 861801A NO 861801 A NO861801 A NO 861801A NO 168699 C NO168699 C NO 168699C
Authority
NO
Norway
Prior art keywords
sulphur dioxide
mixtures
preparation
sodium
procedures
Prior art date
Application number
NO861801A
Other languages
English (en)
Other versions
NO861801L (no
NO168699B (no
Inventor
Ragnar 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
Publication of NO861801L publication Critical patent/NO861801L/no
Publication of NO168699B publication Critical patent/NO168699B/no
Publication of NO168699C publication Critical patent/NO168699C/no

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-)
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Treating Waste Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Saccharide Compounds (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
NO861801A 1985-05-07 1986-05-06 Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger. NO168699C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/731,296 US4680136A (en) 1985-05-07 1985-05-07 Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions

Publications (3)

Publication Number Publication Date
NO861801L NO861801L (no) 1986-11-10
NO168699B NO168699B (no) 1991-12-16
NO168699C true NO168699C (no) 1992-03-25

Family

ID=24938913

Family Applications (1)

Application Number Title Priority Date Filing Date
NO861801A NO168699C (no) 1985-05-07 1986-05-06 Fremgangsmaate ved fremstilling av for natriumditionittfremstilling anvendbare blandinger og anvendelse av slike blandinger.

Country Status (6)

Country Link
US (1) US4680136A (no)
EP (1) EP0202210B1 (no)
AT (1) ATE50750T1 (no)
DE (1) DE3669302D1 (no)
FI (1) FI79826C (no)
NO (1) NO168699C (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN172015B (no) * 1986-01-03 1993-03-13 Thiokol Morton Inc
US4788041A (en) * 1986-12-22 1988-11-29 Morton Thiokol, Inc. Apparatus for the production of sodium hydrosulfite
US4859447A (en) * 1986-12-22 1989-08-22 Morton Thiokol, Inc. Process for the production of sodium hydrosulfite
US5336479A (en) * 1989-01-05 1994-08-09 Morton International, Inc. High yield sodium hydrosulfite generation
CA1340248C (en) * 1989-01-05 1998-12-15 Morton International, Inc. High yield sodium hydrosulfite generation
US5094833A (en) * 1989-01-05 1992-03-10 Morton International, Inc. High yield sodium hydrosulfite generation
US5516501A (en) * 1992-05-05 1996-05-14 International Dioxcide Process for the preparation of aqueous solutions of bromine based disinfectants
EP1478593A4 (en) * 2001-11-13 2008-07-02 Montgomery Chemicals Llc AQUEOUS BOROHIDEIDE COMPOSITIONS
FI20030928A (fi) * 2003-06-19 2004-12-20 Kvaerner Power Oy Menetelmä mekaanisen massan valkaisussa käytettävän natriumditioniitin valmistamiseksi
US10850982B2 (en) * 2015-04-29 2020-12-01 Basf Se Stabilization of sodium dithionite by means of various additives

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA598761A (en) * 1960-05-24 Avesta Jernverks Aktiebolag Methods and apparatus for the preparation of bisulfite solutions
US719720A (en) * 1899-12-20 1903-02-03 Basf Ag Hydrosulfite for reducing indigo.
GB469724A (en) * 1936-03-03 1937-07-30 Gustaf Haglund Plant and process for the production of bisulphite solutions
US2991152A (en) * 1957-01-16 1961-07-04 Goerrig Method of preparing sodium and potassium hyposulphite
US3226185A (en) * 1961-11-09 1965-12-28 Ethyl Corp Method of preparing an alkali metal dithionite
US3216790A (en) * 1962-03-22 1965-11-09 Nat Distillers Chem Corp Preparation of sodium hydrosulfite
US3477815A (en) * 1966-11-15 1969-11-11 Wellman Lord Inc Process for recovering sulfur dioxide from flue gas
JPS4814316B1 (no) * 1969-01-10 1973-05-07
US3542511A (en) * 1969-01-27 1970-11-24 Chemical Construction Corp Removal of sulfur dioxide from waste gases
GB1322250A (en) * 1969-10-30 1973-07-04 Sumitomo Chemical Co Method for producing anhydrous sodium dithionite
US3826812A (en) * 1971-10-22 1974-07-30 Basic Inc Treatment of flue gases and the like
US3826818A (en) * 1972-08-03 1974-07-30 Pennwalt Corp Method for making anhydrous alkali metal hydrosulfites
US3933676A (en) * 1974-04-08 1976-01-20 Ventron Corporation Stabilized aqueous solutions of sodium borohydride
DE2442418B2 (de) * 1974-09-05 1980-04-17 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Natriumdithionit
US4100098A (en) * 1976-10-26 1978-07-11 Olin Corporation Stabilized solutions of sodium dithionite
US4148684A (en) * 1976-11-08 1979-04-10 Mei Systems Inc. Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations
EP0027369A1 (en) * 1979-10-12 1981-04-22 Thiokol Corporation Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form
US4283303A (en) * 1980-06-05 1981-08-11 Virginia Chemicals Inc. Process for manufacture of stable sodium dithionite slurries
US4379130A (en) * 1981-09-21 1983-04-05 Andersen 2000 Inc. Process for regenerating scrubbing solutions
SE446720B (sv) * 1983-09-08 1986-10-06 Stora Kopparbergs Bergslags Ab Sett vid framstellning av for natriumditionitframstellning anvendbara kompositioner samt anvendningen derav
DE3427297C1 (de) * 1984-07-24 1986-04-10 GEA Wiegand GmbH, 7505 Ettlingen Verfahren zur Herstellung einer Natriumdithionitlösung

Also Published As

Publication number Publication date
NO861801L (no) 1986-11-10
EP0202210B1 (en) 1990-03-07
US4680136A (en) 1987-07-14
FI79826B (fi) 1989-11-30
ATE50750T1 (de) 1990-03-15
FI79826C (fi) 1990-03-12
EP0202210A3 (en) 1987-08-12
FI861881A0 (fi) 1986-05-06
EP0202210A2 (en) 1986-11-20
FI861881A (fi) 1986-11-08
NO168699B (no) 1991-12-16
DE3669302D1 (de) 1990-04-12

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Legal Events

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MM1K Lapsed by not paying the annual fees