Method and apparatus for producing chlorine dioxide

Details Method and apparatus for producing chlorine dioxide Method and apparatus for producing chlorine dioxide

1979-10-09

1980-11-18

Hearn, Brian E.

Compositions

Oxidative bleachant, oxidant containing, or generative

Free halogen or oxy-halogen acid type

422193, 424149, 423477, C01B 1102

Patent

active

042344468

ABSTRACT:
Apparatus and continuous-flow process for producing a solution of chlorine dioxide by reaction between a hypochlorite, a chlorite and an acid in a gas generator-reactor comprising a plurality of separate reaction chambers interconnected in series arrangement, in which liquid reactants flow through successive stages, but chlorine dioxide is prevented from flowing between stages. A water-driven venturi eductor removes gaseous reaction products and maintains a vacuum within the reaction chambers. Gaseous reaction products are mixed with the eductor exhaust water. A separate eductor may be provided to remove liquid products of reaction from the gas generator-reactor.

REFERENCES:
patent: 2344346 (1944-03-01), Evans
patent: 2641528 (1953-06-01), Audoynaud
patent: 2664341 (1953-12-01), Kesting
patent: 2881052 (1959-04-01), Julien
patent: 4013761 (1977-03-01), Ward

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