��ȴ߻��̎��켈�жΏUˮ

��r�g��2009-12-28 16:11 ��Դ��Ŀ� �� : ��x��919

ժ Ҫ�� ö��ȴ߻��ĳ�S��켈�жΏUˮ�M��̎��,��̽ӑ��ڴ߻��̎��^�� ClO2 �� ߻��Ͷ�ӄ��,�� pH ֵ,�� r�g��жΏUˮ�߻��̎��Ч��Ӱ푡��Y��,��ڶ��Ͷ�� 40mg/ 100mL,�� pH ֵ�� 5��̎��r�g��90min,��߻�� 2.5g/ 100mL��؏�ʹ�� 4�εėl��,��ʹ�жΏUˮ��Ҫ��Ⱦ��CODcr��ȥ��ʳ��^42%��ڏUˮ��m(x��)��̎��,��

�P�I�~�� жΏUˮ,��ȣ��߻��,��̎��ˇ

�켈�жΏUˮ��Ⱦؓ�ɴ�,��Բ��ó�Ҏ(gu��)�Ļ��̎��,��M�^�L��̎��r�g,��̎��_��A��Ч��B[1��3],��ȴ߻��һ�N��͵�ˮ̎��߼��g,��̎��y��ЙC�Uˮ��һ�N��Ч��õ��¼��g�� ڳ��س��Uˮ�е��ЙC��Ⱦ��|,��ʹ��ӵ��ЙC��Ⱦ�ｵ��С��ӵ��ЙC��Ⱦ��,��ܽ��Ե��ЙC��Ⱦ�ﱻ�ֽ��̼��ˮ��_��Óɫ��ͬ�r��Ч��ߏUˮ��m(x��)��,�� Զ��Ȟ��,��ͨ�^��ƴ߻��켈�жΏUˮ�M��˴߻��̎��,��ȡ��^��M��ĽY��,��

1 ��

1 .1 ��ˎƷ�͏Uˮ

��(AR)��c(AR),��}��(AR),��̿�ȡ��Ȟ�10��Ķ��ˮ��Һ��û��W��[4]��ȡ,��

��Uˮȡ��Ĵ�ĳ�켈�S,��ϴ�Y�Uˮ�� Ư�׏Uˮ��ʣ��ˮ�ȣ��@��y(t��ng)�Q��켈�жΏUˮ,��ԓ�S�Դ��ԭ��,��}�� CEH��Ư��,��a�p�z��ʹ��ּ�,�� CODcr ƽ��1563mg/L��

1 .2�߻��Ƃ�

�Ի��̿��d�w�߻��,��̿�Ý�Ȟ� 6%��Һ��n 24h,��Ȼ��^�V��nҺ��ˮ�_ϴ��,�� 85��ĺ��и�� 2h �� 120�� 6h,�� 300��ĸߜؠt�к�� 12h��õ�Ni/AC�߻��,��

1 .3 ��򞲽�E

��Ӵ߻��ėl��,��c��߻��Ͷ�� Ͷ��,�� Һ pH ֵ,�� r�g��жΏUˮ�߻��̎��Ч��Ӱ푣��_��ѹ�ˇ�l��,��^��ÿ�M��؏� 3��ȡ��ƽ��ֵ��錍�Y��,��

2 �Y��cӑՓ

2.1 ��̎��Ч��Ӱ�

ȡ�켈�жΏUˮ 100mL��{��(ji��)��ĳ�ʼ pH ֵ�� 4,��߻��Ͷ�� 0.5g,��r�g�̶�� 60min��첻ͬ��Ķ��Ȍ� CODcr ȥ��ʵ�Ӱ�,��Y��D 1 ��ʾ,��

�ĈD 1 ��֪��С�� 40mg�r,��жΏUˮ CODcr ȥ��S��Ӷ��,�� 40mg�r�� CODcr ȥ��ʞ� 23.8%,��^�m(x��)�� 50mg,�� CODcr ȥ��ʞ� 25.2%��CODcr ȥ��׃��,��c�� 40mg��ȣ� CODcrȥ��ʃH��1.4%,��Y��,��Ͷ�� 40mg��ˡ�

2.2�߻��̎��Ч��Ӱ�

ȡ�켈�жΏUˮ 100mL,��{��(ji��)��ĳ�ʼ pH ֵ�� 4,��Ͷ�� 40mg,��r�g�̶�� 60min��߻��ͬ�� CODcr ȥ��ʵ�Ӱ�,��Y��D 2 ��ʾ,��

�D 2 �Y��S�߻��Ĳ��,�� CODcr ȥ��Ҳ��,��ڴ߻�� 2.5g�r�� CODcr ȥ��ʞ� 36.9%,��^�m(x��)��߻��,��CODcr ȥ��ӷ��Ⱥ�С��,��߻��2.5g��,��

2.3�� pHֵ��̎��Ч��Ӱ�

ȡ�켈�жΏUˮ 100mL��Ͷ�� 40mg,��߻��2.5g,��r�g�̶�� 60min��췴�� pH ֵ�� CODcr ȥ��ʵ�Ӱ�,��Y��D 3 ��ʾ,��

�ɈD 3 ��֪��S��pHֵ�Ĳ��,�� CODcr ȥ��ʳ��ܿ�,�� pH ֵ�� 4 �r�� CODcrȥ��ʞ�37.2%,��^�m(x��)�� pH ֵ�� 5,�� CODcrȥ��ʞ� 39.1��^�m(x��)��pHֵ��6,�� CODcrȥ��ʞ� 38.7,��F(xi��n)�½�څ�ݡ��,��pHֵ��5 ��,��

2.4 ��r�g��̎��Ч��Ӱ�

ȡ�켈�жΏUˮ 100mL��Ͷ�� 40mg,��߻�� 2.5g,�� pH ֵ�� 5��췴��r�g�� CODcrȥ��ʵ�Ӱ�,��Y��D4 ��ʾ,��

�D 4 �Y��S��r�g��L�� CODcr ȥ��ʲ��,��̎��r�g�� 90min �r,�� CODcr ȥ��_�� 44.9%��^�m(x��)��L��r�g,�� CODcr ȥ��ӷ��Ⱥ�С,��@��һ��ǰ��£��ȸ�,��ٶȿ�,�� CODcrȥ��ӷ��ȿ죻�S��r�g��L,��Ȳ��½�,��c��p�٣��̎��Ч��߷��Ȳ��@,�� Č��Y��,��̎��r�g�� 90min ��ˡ�

2.5�߻��؏�ʹ�ôΔ�(sh��)��̎��Ч��Ӱ�

��õ��̎��l��,��Ͷ�� 40mg,��߻�� 2.5g�� pH ֵ�� 5,��̎��r�g�� 90min �ėl��,��켈�жΏUˮ�؏��M�� 6 �Ό�򞣬��Y��D5��ʾ,��

�D 5 �Y��,��߻��؏�ʹ�� 4 �Εr�� CODcrȥ��ʾ�� 42%��,�� 5 ��Ժ�,��ȥ��½�څ��^��@��؏�ʹ�� 6 �Εr,�� CODcr ȥ��ֻ��28.6%,��f��߻��ѽ��ʧ���õĴ߻�Ч��,��,��߻��؏�ʹ�ôΔ�(sh��)�� 4�Ξ��ˡ�

3 �YՓ

1��켈�жΏUˮ��Ⱦؓ�ɴ�,��Բ�,��ö��ȴ߻��ڳ��س��Uˮ�е��ЙC��Ⱦ��|��ʹ CODcr �l(f��)��,��ͬ�rʹ��ӵ��ЙC��Ⱦ�ｵ��С��ӵ��ЙC��Ⱦ��,��Ķ��Ч��ߏUˮ��m(x��)��,��

2��켈�жΏUˮ��ö��ȴ߻��̎��ѹ�ˇ�l��Ƕ��Ͷ�� 40mg/100mL,�� pHֵ 5��̎��r�g 90min,��߻�� 2.5g/100mL,��

3��ڴ߻��؏�ʹ�ò��^ 4 �ε��r�£��켈�жΏUˮ��Ҫ��Ⱦ�� CODcr ��ȥ��ƽ��^ 42��,��̎��Ч��^��,��

4��ȴ߻��l��غͣ��ڲ��,��O��Ͷ�Y��,��һ�N��͵ĸ߼��g��ȴ߻��̎��y��ЙC�Uˮ��һ�N��Ч��õ��¼��g,��،��ЏV韵đ��ǰ��,��

��īI
[1]�� ,�ט��.ˮ̎��¼��g��OӋ[M].��:��W��I(y��)��,2001
[2]�R��h(hu��n),��A.��ȴ߻��̎��y��Uˮ��g�о��Mչ[J].�h(hu��n)��Ⱦ��g�c�O��,2002,3 (9):63��65
[3]��a��,�Һꂥ.��яUˮ̎��[J].�h(hu��n)��Ⱦ�c��.2001,23(3):134��135
[4]��T��,� �P.�߻��ȥ��ȾҺ CODcr ��ԇ��о�[J].��WԺ�W��,1995,9(4):327��330.

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ�ġ��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��W(li��n)ϵ,��҂��r��h��,��x�x,��