Recovery of chlorine and cyanuric acid values from polychloroiso

Details Recovery of chlorine and cyanuric acid values from polychloroiso Recovery of chlorine and cyanuric acid values from polychloroiso

1978-01-30

1979-02-06

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

544190, 423500, 423504, C07D25132, C01B 707

Patent

active

041385594

ABSTRACT:
A process for recovering chlorine values from an aqueous solution of a chloroisocyanuric acid compound is disclosed. After reacting a mineral acid with the aqueous solution to form an acidified reaction mixture containing dissolved chlorine, the reaction mixture is fed to a stripping column which employs an inert gas to remove the dissolved chlorine. The stripping column is maintained to provide a continuous liquid phase and a non-continuous gas phase. Chlorine gas is readily recovered in a vessel such as a scrubber. Cyanuric acid may be subsequently recovered from the chlorine-depleted solution.

REFERENCES:
patent: 3835136 (1974-09-01), Hirdler et al.
patent: 3846424 (1974-11-01), Hirdler et al.
patent: 3944548 (1976-03-01), Manganaro et al.
patent: 4003899 (1977-01-01), Manganaro et al.
Brooks., Chemical Engineering, 18 Feb. 1974, p. 152.

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