DE3776841D1 - Elektrochemisches verfahren zur herstellung von hydrosulfit-loesungen. - Google Patents

Elektrochemisches verfahren zur herstellung von hydrosulfit-loesungen.

Info

Publication number
DE3776841D1
DE3776841D1 DE8787306669T DE3776841T DE3776841D1 DE 3776841 D1 DE3776841 D1 DE 3776841D1 DE 8787306669 T DE8787306669 T DE 8787306669T DE 3776841 T DE3776841 T DE 3776841T DE 3776841 D1 DE3776841 D1 DE 3776841D1
Authority
DE
Germany
Prior art keywords
electrochemical method
producing
hydrosulfite solutions
solutions
producing hydrosulfite
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 - Fee Related
Application number
DE8787306669T
Other languages
English (en)
Inventor
Ii Bolick
David William Cawlfield
Jimmy Michael French
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.)
Olin Corp
Original Assignee
Olin 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
Application filed by Olin Corp filed Critical Olin Corp
Application granted granted Critical
Publication of DE3776841D1 publication Critical patent/DE3776841D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/14—Alkali metal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
DE8787306669T 1986-08-04 1987-07-28 Elektrochemisches verfahren zur herstellung von hydrosulfit-loesungen. Expired - Fee Related DE3776841D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/892,518 US4793906A (en) 1986-08-04 1986-08-04 Electrochemical process for producing hydrosulfite solutions

Publications (1)

Publication Number Publication Date
DE3776841D1 true DE3776841D1 (de) 1992-04-02

Family

ID=25400051

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787306669T Expired - Fee Related DE3776841D1 (de) 1986-08-04 1987-07-28 Elektrochemisches verfahren zur herstellung von hydrosulfit-loesungen.

Country Status (5)

Country Link
US (1) US4793906A (de)
EP (1) EP0257815B1 (de)
JP (1) JP2532491B2 (de)
CA (1) CA1332371C (de)
DE (1) DE3776841D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4992147A (en) * 1986-08-04 1991-02-12 Olin Corporation Electrochemical process for producing hydrosulfite solutions
US5126018A (en) * 1988-07-21 1992-06-30 The Dow Chemical Company Method of producing sodium dithionite by electrochemical means
US5112452A (en) * 1991-07-22 1992-05-12 Olin Corporation Removal of thiosulfate from hydrosulfite solutions

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE221614C (de) *
US2193323A (en) * 1935-05-10 1940-03-12 Ig Farbenindustrie Ag Manufacture of hyposulphites
US2273799A (en) * 1938-12-17 1942-02-17 Nat Carbon Co Inc Process for electrolytic reduction
GB1045675A (en) * 1962-07-16 1966-10-12 Ici Ltd Process for the electrolytic production of dithionites
US3523069A (en) * 1969-01-29 1970-08-04 Univ British Columbia Process for the production of dithionites
US3748238A (en) * 1972-05-08 1973-07-24 Sybron Corp Electrolytic process for the preparation of sodium hydrosulfite
US3920551A (en) * 1973-11-01 1975-11-18 Hooker Chemicals Plastics Corp Electrolytic method for the manufacture of dithionites
DE2646825A1 (de) * 1976-10-16 1978-04-20 Basf Ag Verfahren zur kontinuierlichen herstellung von natriumdithionitloesungen durch kathodische reduktion
JPS5687682A (en) * 1979-12-19 1981-07-16 Kureha Chem Ind Co Ltd Manufacture of sodium dithionite

Also Published As

Publication number Publication date
CA1332371C (en) 1994-10-11
EP0257815B1 (de) 1992-02-26
EP0257815A1 (de) 1988-03-02
US4793906A (en) 1988-12-27
JPS6338589A (ja) 1988-02-19
JP2532491B2 (ja) 1996-09-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee