Chemistry of inorganic compounds – Halogen or compound thereof – Elemental halogen
Patent
1978-04-20
1979-11-20
Thomas, Earl C.
Chemistry of inorganic compounds
Halogen or compound thereof
Elemental halogen
423393, 423399, 423400, 423605, C01B 703
Patent
active
041751167
ABSTRACT:
This invention relates to an improved process for preparing cyanogen chloride by reacting chlorine and hydrogen cyanide in a manganous chloride-containing aqueous medium to form gaseous cyanogen chloride and dissolved hydrogen chloride and to the subsequent conversion of the hydrogen chloride to chlorine employing manganese dioxide and nitric acid as cyclic reagents.
REFERENCES:
patent: 2374674 (1945-05-01), Fox et al.
patent: 2691569 (1954-10-01), Miller
patent: 3780158 (1973-12-01), Welsh
patent: 3780159 (1973-12-01), Welsh
Ciba-Geigy Corporation
Falber Harry
Rabin Frederick H.
Thomas Earl C.
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