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1. ��

��W(xu��)��chemical oxygen demand,��QCOD),��ָˮ�w��ױ��(qi��ng)��߀ԭ��|(zh��)��ĵ��Y(ji��)��mg/LӋ��,��COD�y��Adeney��,��F(xi��n)�ڇ��(n��i)��V��ʹ�õķ��W(xu��)��(bi��o)��(zh��n)��2С�r��,��˷��H��(n��i)��J(r��n),��COD�Ǳ��ˮ�w��߀ԭ��|(zh��)�ľC��ָ��(bi��o)��ˮ��,��߀ԭ��|(zh��)��Ҫ��ЙC(j��)��,��M��ԓ�N��̼��,��,��Ԫ��̎��^�͵��B(t��i)��Ȼ��ѭ�h(hu��n)��߀ԭ��|(zh��),��؄e��ЙC(j��)��ｵ��^��ܽ��Dissolved Oxygen,��QDO��ʧ�ܽ��ʧ��Ɖĭh(hu��n)��Ⱥ��ƽ�Ⲣ��Ӱ푣��Ķ��ˮ�w�Đ��,��

��W(xu��)��ͨ�,��ˮ�w��ЙC(j��)��ڹ��I(y��)�Uˮ��о��ˮ̎��Ч��u�r��f,��һ��Ҫ��׵õą��(sh��),��

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2. �B�VҺ�л��W(xu��)��Ĝy��

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��t��ڏ�(qi��ng)��|(zh��)�е��(y��ng)ʽ�飺

��ӟ�r,��(y��ng)�ضȞ�140�棬��(y��ng)�wϵ��Ȟ�9mol/L,��ϵ��(sh��)��0.72,��ʴ˕r�ėl��늘O�λ�飺

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�ɴ˿�Ҋ,��(y��ng)�l��,��^�ߵ��ʹ�S��ЙC(j��)��_(d��)��95~100%,��

��ʹˮ��߀ԭ��|(zh��)�ĳ�־��,��Ҫ��߻��y��ȫ��ܽ��ʹ��,��Cl-�ĸɔ_һ��HgSO4ȥ��,��0.4g HgSO4/20mlˮ�ӡ�

2�� ɷN��ڝB�VҺ�z�y�еđ�(y��ng)��

��1�� _�ڼӟ��ζ��

�x��ɻ��b��,��ӟ��b�ú��ʽ�ζ��ܽM��,��

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�y��(d��ng)�B�VҺˮ��COD��900mg/L�r,��(y��ng)��ˮ��M(j��n)��ϡጺ��ٜy��

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3. �Y(ji��)Փ

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4. ��īI(xi��n)

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2��ǽ��(zh��n)�h(hu��n)��l(w��i)��(bi��o)��(zh��n)��g(sh��)�w�چ�λ,��O(sh��)��н��O(sh��)˾��ݭh(hu��n)�l(w��i)̎,��Ї��(bi��o)��(zh��n)��磺��(zh��n)��ݭh(hu��n)��l(w��i)��(bi��o)��(zh��n)�R��,��Ї��(bi��o)��(zh��n)��磬2001

3,��ǽ��н��O(sh��)�о�Ժ�h(hu��n)��l(w��i)��̼��g(sh��)�о��,��O(sh��)��h(hu��n)��l(w��i)��̼��g(sh��)�о��ģ��̎��g(sh��)��28-33�,��1��/2002

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