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ժҪ:�Զ��̎��ˮ ,�о��˶��|(zh��)��Ⱥͷ��r�g��ˮ�� COD ȥ��,�� ȥ��,�� c�U��ȥ��ʵ�Ӱ� ,�ó��˸��،��Ŀ��׃��څ�ݡ��Y(ji��)��@ʾ ,��|(zh��)�� 2. 4 mg/ L ,COD��ȥ��_�� 62. 7 %;��|(zh��)�� 3. 6 mg/ L ,��ʳ��_��99. 7 % ,��c�U��ȥ��_�� 99. 1 %,��r�g 30 min ,COD ȥ��_�� 65. 9 % ,��ȥ��_�� 99. 9 % ,��c�U��ȥ��_�� 99. 3 %,��

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��о�� ClO2 �|(zh��)��Ⱥͷ��r�g��ˮ�Ě��Ч�� ,ͨ�^��z�y ClO2 �Ě�� ,��ʹ��ˮ�Ŀ��c��Ⱥ��(sh��)�� (sh��),�� Ⱥ� COD��ָ�˾��_��ŷŘ˜�,��

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2. 1 ClO2 �|(zh��)��ȵ�Ӱ�

��l��:��r�g30 min ,pH = 7 ,�Ҝ�,��

2. 1. 1 ClO2 �|(zh��)��Ȍ� CODȥ��ʵ�Ӱ�

�� D1��֪ ,��ClO2 �|(zh��)��ȏ�0��ӵ�2. 4 mg/ L ,COD��ȥ��ʏ� 0 ��L�� 62. 7 % ,�� ClO2 �|(zh��)�� ,COD��ȥ��ʎ׺��׃��,��

2. 1. 2 ClO2 �|(zh��)��Ȍ��ʹ��c�U��ȥ��ʵ�Ӱ�

�ɈD 2 �͈D 3 ��Կ�� ,�S�� ClO2 �|(zh��)��0��ӵ� 3. 6 mg/ L ,��ȥ�� 0 ��ӵ�99. 7 % ,��c�U��ȥ�� 0 ��ӵ� 99. 1 %�� ClO2 �|(zh��)��Ȟ� 2. 4 mg/ L �r ,��c�U��ȥ��_��ֵ 99. 1 % ,֮��@��׃��,�� ClO2 ��ʹ��c�U��̎��|(zh��)��Ȟ� 2. 4 mg/ L ,�҃��ָ�˶��_�� 4 ��ŷŘ˜�,��

�C�� ,ClO2 ̎��ˮ�r ,ˮ�|(zh��)�˜ʕ��S�� ClO2 �|(zh��)��ȵ��Ӷ�׃�� ,��|(zh��)��2. 4 mg/ L �rЧ��á�

2. 2 ��r�g��Ӱ�

��l��:ClO2 �|(zh��)�� 3. 6 mg/ L ,pH = 7 ,�Ҝ�,��

2. 2. 1 ��r�g�� CODȥ��ʵ�Ӱ�

�ɈD 4 ��Կ�� ,�S��r�g�� ,CODȥ��u��L ,�� 15 min �_�� 61. 4 % ,20 min ��_��ֵ 64. 9 % ,�˺�׺��̫��׃�� ,�� ClO2 ȥ��ˮ�е� COD �� ,��r�g20 min��,��

2. 2. 2 ��r�g��(sh��)�ʹ��c�U��(sh��)��Ӱ�

�ɈD5�͈D6��֪,��ClO2 �|(zh��)��Ȟ�3. 6 mg/ L ,pH = 7 ,�ڳ��S��r�g�� ,��ȥ��ʿ��_�� 99. 9 % ,�� 20 min��_��ŷŘ˜ʡ��c�U��ȥ��ͬ�ӵėl��,Ҳ��30 min��_��ֵ99. 3 %,��

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�Զ��̎��ˮ ,�о��˶��|(zh��)��Ⱥͷ��r�g��ˮ�� CODȥ��,�� ȥ��ʡ� ��c�U��ȥ��ʵ�Ӱ� ,�ó��،��Ŀ��׃��څ��,��

1) ClO2 �|(zh��)��ȏ� 0 ��ӵ� 2. 4 mg/ L ,��COD��ȥ��ʏ� 0 ��L�� 62. 7 % ,�� ClO2 �|(zh��)��_ 2. 4 mg/ L �� ,CODȥ��ʎ׺��׃��,��

2) �S�� ClO2 �|(zh��)��ӵ� 3. 6 mg/ L ,��ȥ��0��ӵ�99. 7 %,��c�U��ȥ��0��ӵ� 99. 1 %�� ClO2 �|(zh��)��Ȟ� 2. 4 mg/ L�r,��c�U��ȥ��_��ֵ 99. 1 % ,֮��@��׃��,��x�� ClO2 ��|(zh��)��Ȟ�2. 4 mg/ L,��

3) �S��r�g�� ,COD ȥ��u��L ,��ҵ� 15 min �r�_�� 61. 4 % ,�Ժ��L׃�� ,20 min ��_��ֵ 64. 9 % ,�˺�׺��̫��׃��

4) �ڳ��S��r�g�� ,��ȥ��ʿ��_��99. 9 % ,��20 min��_��ŷŘ˜�;ͬ�r��c�U��ȥ�� 30 min ��_��ֵ99. 3 %,��

��īI:
[1 ] �� ,��Ⱥ�d.��ˮ̎��еđ��[J ] .��տƼ� ,2004 (6) :35236.
[2 ] Marc M H , Susanna K, Thomas A T , et al . Oxidationof pharmaceuticals during water treatment with chlorinedioxide[J ] . Warter Research ,2005 (39) :360723617.
[3 ] ��Raczyk2Stanislawiak , Swietlik J , Dabrowska A , et al .Biodegradability of organic by2products after natural or2ganic mat ter oxidation with ClO22case study [J ] . WaterResearch ,2004 (38) :104521054.
[4 ] �񸣏�. ��΢��Ⱦˮ̎��еđ��[D ] . �Ϻ�:ͬ��W ,2004.
[5 ] �ο��.��ˮ̎��S�еđ��[D] .��:��W ,2005.

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