��̎��ϴ�Uˮ�Č��о�

��r�g��2009-07-01 11:14 ��Դ�� : ��x��1745

ϴ��Uˮ��б��Ԅ��}��|(zh��)��ֱ��ˮ�w��ˮ�w��Ⱦ,��ӽoˮ̎��S��̎��y��,��ˮ�w��I�B(y��ng)��ͨ�^Ͷ��PAC��PAM��(li��n)�ϻ��̿��̎��̘I(y��)ϴ��Uˮ,��ȥ��Uˮ�е�COD,��PAC PAM ��̿��ˇ̎��ϴ�Uˮ��Ч��^�ã�Ͷˎ�^��COD��ȥ��ʿ��_��60,��ϣ��(j��ng)�^��̿�^�V��,��ȥ��ʿ��_��86,��ˮCOD��Խ��50mg/L��ҡ�

ϴ��Uˮ�к��б��Ԅ�,��c,��ȼ׻��w�S�ص��,��m��w��Լ��N΢��,��^��ᣬCOD��300��800mg/l,��pH��6.5��7.5,��Ҹ��ﺬ��^�ߣ�һ��500��1200mg/l,��}�M��ˮ�w��ˮ�w�ĸ��I�B(y��ng)��,��Ԅ��M��ˮ�w��,��ʹˮ��ӡ�ֲ��ж��,��ʹˮ��ĳЩ΢��Ⱦ��,��Ķ��˽oˮ�S̎��y�ȣ��M��ˮ̎��S��ˮ�е�ϴ�섩�_��һ��ȕr,��Ӱ��ؚ�,��T��^��,��
̎��ϴ��Uˮ��Ҫ��û��W(xu��)��[1],��۷�[2]��|��[3],��AB[4]��,��M��û��+��̎��ϴ��Uˮ��

1 ��ԭ��

��ͨ�^Ͷ��PAC��PAM��(li��n)�ϻ��̿��̎��̘I(y��)ϴ��Uˮ,��

ϴ��Uˮ�б��Ԅ��c��,��m��w��ã��γɎ�ؓ늺ɵ��z�w��,��^��(w��n)��Ĵ��ˮ�w��,��뵽�@�ӵďUˮ�У��l(f��)��һϵ�е�ˮ��,��a(ch��n)��Ď��늺��x�Ӽ��(j��ng)�u��(li��n)�γɵĶ�˸�늺ɵ��x��,��Ҹ��z��늺��к܏��к��Ҍ��z�w��p늌��к܏��ĉ��s��,��ʹ�z�w��Ó��(w��n),��γɸ߾ۺϵĚ��Ⱦ��W(w��ng)��x��ˮ�w[5]��

2 ��򞲿��

2.1 ��b�ú�ԇ��

WS—J�ʹ��,��723�ֹ��Ӌ,��

�ۺ��Ȼ��X��PAC��Al��27%��,��۱�ϩ��PAM,��300�f��x��ͣ�,��Ӛ��̿,��

2.2��Ŀ��

CODCr��t��⛷��GB11914 1989�M��

LAS��{�ֹ��ȷ�,��GB7494 1987�M��

2.3 ��ˮ

��ˮ�x��Ϻ�һ��ϴ�¹�˾ϴ��܇�g�ĳ�ˮ,��ԓ��˾��һ�Ҍ��I(y��)��B�iϴ�¹�˾��Uˮˮ�|(zh��)�飺

CODCr��381mg/l

LAS��43mg/l

pH=7.5

�Uˮ�ʵ��ɫ,��Ԏ��{ɫ

2.4��򞷽��

��²��E�M�У�

Ͷ��PACÓ��(w��n) → Ͷ��PAM�� → �V��^�V → ��̿�^�V → ��ˮ

��ϴ�Uˮ�б��Ԅ��cˮ�е�΢С�Ҹ��γ��ˎ�ؓ늺ɵ��z�w��,��܉��^��(w��n)��Ĵ��ˮ��,��Ͷ��PACʹ�Uˮ��z�w��wϵÓ��(w��n)��Ó��(w��n)��,��ˮ�Е��a(ch��n)��΢�Ҹ��,��Ͷ��PAMʹ֮��Ȼ��ÞV��^�V,��M�й�Һ��x,��x��ĞVҺ�ٽ�(j��ng)��̿�^�V��Ɍ�򞲽�E,��

Ͷˎ�^�̞飺Ͷ��PAC��Ҕ��15��,��Ȼ��o��2��犣�Ͷ��PAM,��15��,��

2.5��^��

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