以钛基RuOx-PdO为阳极,钛网为阴极,Na2SO4和NaCl为支持电解质,研究了NaCl质量浓度、电流密度和pH对活性氯生成的影响及活性氯的生成与甲基橙模拟废水降解之间的关系.实验发现,以Na2SO4为支持电解质时,甲基橙模拟废水的有限降解是该阳极直接电催化氧化作用的结果.NaCl质量浓度和电流密度对活性氯的生成有明显的影响,酸性溶液中活性氯的生成量直接决定了甲基橙模拟废水的脱色程度,两者之间呈现较好的线性关系,碱性条件下不仅不利于活性氯的生成而且活性氯物种对甲基橙模拟废水的降解基本不起作用.
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