Method for the production of chlorine dioxide

Details Method for the production of chlorine dioxide Method for the production of chlorine dioxide

1993-07-19

1995-01-10

Straub, Gary P.

Chemistry of inorganic compounds

Halogen or compound thereof

Chlorine dioxide

423472, C01B 1102

Patent

active

053805186

ABSTRACT:
The present invention relates to a method for producing chlorine dioxide (ClO.sub.2) disinfecting solution which produces substantially greater quantities of chlorine dioxide compared to prior art methods. The method makes use of a composition comprising an aqueous soluble chlorite salt in combination with an aldehyde and an acid at a pH of less than about 5. The method preferably minimizes the amount of residual chlorite ion (ClO.sub.2.sup.-) so that the disinfecting solution can be used in a number of industries, preferably including the food, food processing, drinking water, pharmaceutical production and medical and dental related industries, among others. An additional embodiment includes chlorine dioxide generating solutions which are substantially corrosion free.

REFERENCES:
patent: 2323594 (1943-07-01), Hampel
patent: 3386915 (1968-06-01), Rutschi et al.
patent: 4084747 (1978-04-01), Alliger
patent: 4104190 (1978-08-01), Hartshorn
patent: 4731193 (1988-03-01), Mason et al.
patent: 4925645 (1990-05-01), Mason
patent: 4986990 (1991-01-01), Davidson et al.

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