��/��̎��ߺ��}Ⱦ�ϏUˮ�Č��о�

��r�g��2009-05-18 11:38 ��Դ��Ї��h(hu��n)��l�� : ��x��666

ժҪ��෨̎��ˮ��һ�N��̎��,��@�N��и߃��õ��V��(y��ng)��,�,��Á�ȥ��ˮ�Пo�C��ЙC�z�w�Ҹ��һ�N��,��ɳ�ȥ��w�Ҹ��,��z�w��ɞV��ؽ��},��ЙC��,����ɫ�ȡ�

�ߺ��}Ⱦ�ϏUˮ��ں��}��,��Æ�һ��ʹ�Uˮ�_(d��)��P(gu��n)�ŷŘ�(bi��o)��(zh��n),��늽ⷽ��mȻʡ�rʡ��ȥ��Ч��,��޴�,��̎��Юa(ch��n)��Ț��к��w��Բ��ˑ�(y��ng)��ڴ��͹��,��

��෨̎��ˮ��һ�N��̎��,��@�N��и߃��õ��V��(y��ng)��,�,��Á�ȥ��ˮ�Пo�C��ЙC�z�w�Ҹ��һ�N��,��ɳ�ȥ��w�Ҹ��,��z�w��ɞV��ؽ��},��ЙC��,����ɫ�ȡ�

��_(d��)��һ��(j��ng)��֌��õ��ѽY(ji��)��c,��û��Z��̎��һ�Εr�g��,��û��̎��Ч��͏Uˮ��CODֵ��ɫ��,��Ч��(ji��)�s�_֧,��ʡ�rʡ��

1��򞲿��

1.1ģ�M��}Ⱦ�ϏUˮ��

��ԼtBȾ�Ϻ��Ȼ��c��,��Uˮ��ԼtB��Ȟ�200mg/L,��}��Ȟ�4.0×104mg/L��

1.2��Ƃ�

ȡ��ˮ̎��S��ԭ��ࡣ�s��ԭ��ࣺˮ=1��5�ı��Ƃ�,��ȡ400mL��1000mL��,��ͣ�ؚ⣬��,��

1.3��Z��

1.3.1�Z��E

��B�m(x��)�ؚ�24С�r��1000mL��м��10mL�ߺ��}Ⱦ�ϏUˮ,��5С�r��м��20mL�Uˮ,��һ�칲��30mL�Uˮ��(j��ng)�^18С�r��,��20mL�Uˮ��^�m(x��)�^5С�r��,��ټ��20mL�Uˮ,��ڶ��칲��40mL�Uˮ��30mL�Uˮ��˹��Uˮ100mL,��õι�ȡ��ˮ��M(j��n)��R�z,��ĵ��_ʼ��ÿ��,��25mL�Uˮ,��Ӌ��200mL,��300mL,��400mL�r��R�zˮ��һ��,��ھ��,��ߺ��}Ⱦ�ϏUˮ400mL��ֹ��

1.3.2�y��Z��^��е�CODCrֵ

�y��Ƶĸߺ��}Ⱦ�ϏUˮԭҺ��CODCrֵ,��ؚ�24С�r��CODCrֵ,��Լ�ÿ��Ӌ��м��100mL��200mL,��300mL,��400mL�ߺ��}Ⱦ�ϏUˮ�r��ˮ��CODCrֵ,��ڴ�ˮ��x�Ӻ��O��,��Ӱ�CODCr�Ĝy��򞌢�Uˮ��̎��ǰ,��ϡ�100��M(j��n)�Мyԇ,��CODCr�y��EҊ��īI(xi��n)[3]��

1.3.3ˮ��ɫ�ȵĜy��

��ϡጱ��(sh��)��y��Ƶĸߺ��}Ⱦ�ϏUˮ��ɫ��,��y��ÿ��Ӌ��м��100mL,��200mL��300mL��400mL�Uˮ�r��ˮ��ɫ��,��

1.4��^�m(x��)��ˮ��M(j��n)��̎��

ȡ100mL��ˮ��,��ʯ��飨��ʯ�Ҽ��ˮ�{(di��o)�ɝ{��{(di��o)��(ji��)��ˮ��pHֵ��8��Һ�ܼ��0.5mL�ۺ��Ȼ��X,��ٔ��1��,��Ȼ��ټ��0.1��ľ۱�ϩ��@1�Σ��ٔ��1��,��o��20��,��Ȼ��ȡ��Һ��y��CODCrֵ��ɫ��,��
�Դ˷��,��քe�y��1mL��3mL�ۺ��Ȼ��X�rˮ�ӵ�CODCrֵ��ɫ��,��

2�Y(ji��)��cӑՓ

2.1��̎��ߺ��}Ⱦ�ϏUˮ�е�΢��^(q��)ϵ
ͨ�^�R�z,��̎��ߺ��}Ⱦ�ϏUˮ��Ҫ��΢��NȺ�Ǽ�(x��)��cԭ��ԭ��wë�x�Ӷ�,��x,��Ӿ��wë�x��wë�x,��{(l��n)��͹��Ӷ�,��

2.2��-��̎��ߺ��}Ⱦ�ϏUˮ��

2.2.1��ཱུ��

��ˮ�ӵ�CODCrֵ��ɫ��,��Cl-ָ��(bi��o)��ж��(bi��o)��(zh��n),��

��1ԭˮ�Ӻ��ؚ�24h��CODCr

��2�Z��^��Һ��CODCr��Cl-��

��ϱ��֪��CODCr��Cl-��ֵ��@�½�,��@Ҳ�f��Z��^��д_��Дz�}��΢��a(ch��n)��,��ͨ�^�D1��Ŀ��ߺ��}Ⱦ�ϏUˮ�Ľ��,��ˮ��ɫ��@��½�,��

�D1�Z��^��ˮ��ɫ�ȵ�׃��

2.2.2��^�m(x��)̎��ˮ�ӵ��K�Y(ji��)��
ˮ�ӵĻ��̎��У��^�̣��ټ�(x��)С�w��ۼ��ʹ�w��׃��,��w��ˮ��|(zh��)��,��w��ˮ�БҸ��ӵ�ճ��á�
ˮ�ӽ�(j��ng)�^��̎��,��CODcrֵ,��ɫ�ȶ��@�½��S��(�ۺ��Ȼ��X)��׃��,��CODcrֵ��ɫ��Ҳ��ͬ��׃��,��

��3��ļ��

�ɴ˿�֪,��Ͷ��m��(d��ng)��,��_(d��)��(y��ng)�õĻ��Ч��,��^�󣬄t��z�w��(f��)��(w��n),��

2.2.3��̎��pHֵ��Ч��Ӱ�
��ʹ�õĻ��ۺ��Ȼ��X,��ԓ��΢�A�ԗl��Ч��^�ã��Ⱦ�ϏUˮ��ԼtB,��M(j��n)�л��֮ǰ,��(y��ng)��ʯ��{(di��o)��(ji��)��pH��ƫ�A�ԣ��s��8��ң��ۺ��Ȼ��X�m��ƫ�A�ԗl��·��(y��ng),��

4�Y(ji��)Փ

1��̎��ߺ��}Ⱦ�ϏUˮ,��Ҫ��΢��Ⱥ�Ǽ�(x��)��cԭ���ڼ�(x��)��Ⱥ��,��U��ռ�^��(sh��),��Ծ��ѿ�ߡ��vĤ�ĸ��m��ԗU��郞(y��u)��,��д��Ĕz�}΢��a(ch��n)��,��

2��(y��ng)�û��—��̎��ߺ��}Ⱦ�ϏUˮ��ں��m�ėl��,��Ч��^�@��,��_(d��)��ˇ��P(gu��n)�ŷŘ�(bi��o)��(zh��n)��

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e�`��ַ��ĺϷ��(qu��n)��,��Ո��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r��,��h��x�x,��