摘要：

Chlorine dioxide (ClO2) decay in presence of typical metal oxides occurring in distribution systems was investigated. The ClO2 decay in presence of metal oxides was generally enhanced in a second-order process via three pathways: 1) catalytic disproportionation with equimolar formation of chlorite and chlorate, 2) reaction to chlorite and oxygen, and 3) oxidation of a metal in a reduced form...

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