Continuous process for making calcium hypochlorite

Details Continuous process for making calcium hypochlorite Continuous process for making calcium hypochlorite

1982-02-26

1982-12-21

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Ternary compound

422194, C01B 1106

Patent

active

043649173

ABSTRACT:
A process for the continuous preparation of a slurry of calcium hypochlorite wherein a solution of sodium hydroxide is fed to one end of an elongated tubular reaction and a calcium hydroxide slurry and chlorine are introduced through a number of injection sites along the length of the reactor. The redox potential of the reaction mixture at any injection site must not be inferior to that at the immediately preceding site and must be in the range 900 to 950 mV at the exit end of the reactor. The process permits easy control of the reaction temperature and of the viscosity of the reaction mixture.

REFERENCES:
patent: 1884200 (1932-10-01), Philipp
patent: 3241912 (1966-03-01), Nicolaisen
patent: 3495952 (1970-02-01), Ulbrecht
patent: 3998714 (1976-12-01), Armstrong
patent: 4010244 (1977-03-01), King
patent: 4017592 (1977-04-01), Penard

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