Process for manufacture of calcium hypochlorite

Details Process for manufacture of calcium hypochlorite Process for manufacture of calcium hypochlorite

1980-08-07

1982-06-29

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Ternary compound

25218728, 25218621, C01B 1106

Patent

active

043372368

ABSTRACT:
A novel process for the production of granular calcium hypochlorite compositions is provided which comprises reacting neutral calcium hypochlorite with an alkaline solution comprised of an alkali metal hypochlorite and an alkali metal hydroxide. The reaction produces a slurry from which a wet cake comprised of neutral calcium hypochlorite and a residual amount of hemibasic calcium hypochlorite is recovered and dried. During the drying process in which granular calcium hypochlorite compositions are obtained, there is a substantial reduction in the loss of available chlorine from the product.

REFERENCES:
patent: 1583421 (1926-05-01), Pistor
patent: 1713650 (1929-05-01), George
patent: 1754473 (1930-04-01), MacMullin
patent: 1937613 (1933-12-01), Weber, Jr.
patent: 2374835 (1945-05-01), Robson
patent: 3094380 (1963-06-01), Bruce
patent: 3134641 (1964-05-01), Gleichert
patent: 3584996 (1971-06-01), Hughes
patent: 3645005 (1972-02-01), Dychdala
patent: 4196184 (1980-04-01), Sakowski

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