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        2.1 ��Ȍ��i��

        ��܉�Ѷ��r�i��ăr�i��ʹ֮�γɲ��ˮ�Ķ��i(MnO₂),��

       2ClO₂+5Mn²⁺+6H₂O=5MnO2+12H⁺+2Cl^-

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        2.2 ��Ȍ��F��

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      ClO₂+5Fe(HCO₃)2+13H₂O=5Fe(OH)₃+10CO₃^2-+Cl^-+21H⁺

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        2.3 ��Ȍ��

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        8ClO₂+5S^2-+4H₂O=5SO₄^2-+8Cl^-+8H⁺

        ��ȵ�Ͷ��3.0mg/L�r,��ȥ��ʞ�81%��

        2.4 ��Ȍ��軯��

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            2ClO₂+2CN^-=2CO₂+N₂+2Cl^-

        ��軯��ĝ�Ȟ�3.0mg/L,��ȵ�Ͷ��5.0mg/L��軯��ȥ��һ�㶼��85%,��

        2.5 ��Ȍ��ӵ��

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