BE856029A - Procede ameliore pour la preparation de dithionite de sodium - Google Patents

Procede ameliore pour la preparation de dithionite de sodium

Info

Publication number
BE856029A
BE856029A BE178709A BE178709A BE856029A BE 856029 A BE856029 A BE 856029A BE 178709 A BE178709 A BE 178709A BE 178709 A BE178709 A BE 178709A BE 856029 A BE856029 A BE 856029A
Authority
BE
Belgium
Prior art keywords
preparation
improved process
sodium dithionite
dithionite
sodium
Prior art date
Application number
BE178709A
Other languages
English (en)
Original Assignee
Virginia Chemicals Inc
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 Virginia Chemicals Inc filed Critical Virginia Chemicals Inc
Publication of BE856029A publication Critical patent/BE856029A/fr

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE178709A 1976-06-24 1977-06-23 Procede ameliore pour la preparation de dithionite de sodium BE856029A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69946276A 1976-06-24 1976-06-24

Publications (1)

Publication Number Publication Date
BE856029A true BE856029A (fr) 1977-10-17

Family

ID=24809441

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178709A BE856029A (fr) 1976-06-24 1977-06-23 Procede ameliore pour la preparation de dithionite de sodium

Country Status (3)

Country Link
US (1) US4127642A (fr)
BE (1) BE856029A (fr)
BR (1) BR7704083A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4218429A (en) * 1977-06-14 1980-08-19 Virginia Chemicals Inc. Production of alkali metal dithionites from sulfur dioxide, alkali metal formates, and slurried bisulfite compounds at high reactant concentrations
DE3406322A1 (de) * 1984-02-22 1985-08-22 Basf Ag, 6700 Ludwigshafen Stabilisierte, wasser enthaltende, alkalisch eingestellte natriumdithionitzubereitungen
CN102515209A (zh) * 2011-12-08 2012-06-27 烟台泰和新材料股份有限公司 利用酰氯生产尾气制备工业级焦亚硫酸钠的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927190A (en) * 1966-05-16 1975-12-16 Mitsubishi Gas Chemical Co Method for producing anhydrous hydrosulfite
JPS4814316B1 (fr) * 1969-01-10 1973-05-07
US3917807A (en) * 1969-10-30 1975-11-04 Sumitomo Chemical Co Method for producing anhydrous sodium dithionite
US3887695A (en) * 1970-02-05 1975-06-03 Virginia Chemicals Inc Production of sodium hydrosulfite from formates

Also Published As

Publication number Publication date
US4127642A (en) 1978-11-28
BR7704083A (pt) 1978-06-06

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: VIRGINIA CHEMICALS INC.

Effective date: 19970623