Process for the manufacture of aqueous solutions of alkali metal

Details Process for the manufacture of aqueous solutions of alkali metal Process for the manufacture of aqueous solutions of alkali metal

1980-07-09

1982-05-18

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Ternary compound

23230A, 422 62, 364502, 364118, 364194, C01B 1104

Patent

active

043305210

ABSTRACT:
The invention concerns a process and an apparatus for the manufacture of aqueous solutions of alkali metal hypochlorite.
The apparatus comprises a reaction vessel in which chlorine is caused to react with a solution of alkali metal hydroxide and a control device adapted so as to regulate the relative weights of chlorine and alkali metal hydroxide for the reaction, as a function of the derivative, with respect to time, of the redox potential of the reaction, modulated by an instantaneous value of this potential.

REFERENCES:
patent: 3199949 (1965-08-01), Clerbois
patent: 3880348 (1975-08-01), Salihbegovic
patent: 4025763 (1977-05-01), Klein
patent: 4069413 (1978-01-01), Rutledge
Pollard, "Process Control for the Chemical and Allied Fluid Processing Industries", American Elsevier, N.Y., (1971), pp. 105, 111-113.

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