Chlorine Dioxide Chemistry

Chlorine Dioxide is a small, volatile and very strong molecule consisting of 1 Chlorine atom and 2 oxygen atoms. Abbreviated to ClO2, Chlorine Dioxide exists as a free radical in dilute solutions. It will decompose in the presence of UV, high temperatures greater than 70oC, and high alkalinity greater than pH12.

First commercially used as a biocide/taste and odour control agent in domestic water at Niagara Falls in the USA in 1944, by the mid 1970's three thousand municipal water systems were achieving biological control using Chlorine Dioxide. In the 1980's Chlorine Dioxide gradually replaced Chlorine in many industries, including the pulp and paper industry as a bleaching agent, industrial water treatment as a biocide and an odour control agent, and food processing, used as a sanitiser. By the 1990's Chlorine Dioxide was increasingly used for the secondary disinfection of potable water, and by the 2000's new generation equipment and control technology had made ClO2 a practical alternative to many industrial applications. Today this equipment and control technology has developed still further, making Chlorine Dioxide from Scotmas the ideal water purification and disinfection product across a vast array of industries and applications.

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