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A method for enhancing generation of chlorine dioxide from an aqueous medium containing a chlorine dioxide precursor which comprises contacting the aqueous medium with a catalytic amount of a catalyst selected from the group consisting of a transition metal, a transition metal oxide and mixtures the

A method for enhancing generation of chlorine dioxide from an aqueous medium containing a chlorine dioxide precursor which comprises contacting the aqueous medium with a catalytic amount of a catalyst selected from the group consisting of a transition metal, a transition metal oxide and mixtures thereof for a period of time effective to generate chlorine dioxide. The transition metals and transition metal oxides which may be employed as the catalyst to enhance the generation of chlorine dioxide are the transition metals of Group 5B, 6B, 7B and 8 of the Periodic Table of Elements.

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A method for enhancing generation of chlorine dioxide from an aqueous medium containing sodium chlorite comprising: contacting the sodium chlorite present in the aqueous medium with an amount of gaseous chlorine effective to react with the sodium chlorite in the presence of a catalytic amount of a c

A method for enhancing generation of chlorine dioxide from an aqueous medium containing sodium chlorite comprising: contacting the sodium chlorite present in the aqueous medium with an amount of gaseous chlorine effective to react with the sodium chlorite in the presence of a catalytic amount of a catalyst selected from the group consisting of an elemental transition metal, a transition metal oxide and mixtures thereof for a period of time effective to generate chlorine dioxide, the transition metal selected from Group 5B, 6B, 7B, 8 and mixtures thereof.