��ИI(y��)��̎��t�Uˮ�ĳ��÷��

��r�g��2010-01-15 14:59 ��Դ��Ї��h(hu��n)��(li��n)�� : ��x��1050

�價��I(y��)��t�Uˮ��̎���õķ��߀ԭ��,��늽ⷨ��ˇ��,��\��Ч��,��ǽ��кܶ��ķ��о��,��C�ϱ��^��l(f��)�F(xi��n)�@Щ��Ҳ��Ѓ�(y��u)ȱ�c,��·��н��b֮̎,��

һ��߀ԭ��

��W߀ԭ��၆�F,��},��߀ԭ��Uˮ��r�t߀ԭ��r�t�x�ӣ��ӉA�{(di��o)��pHֵ,��ʹ��r�t�γɚ��t��ȥ,��@�N��O��Ͷ�Y��\��M�õ�,��Ҫ��gЪ̎��

��̎��ˇ��ڵ�һ��Ȍ��Uˮ��{(di��o)pHֵ��2��3,��ټ��߀ԭ��,��һ��NaOH��Ca��OH��2�{(di��o)pHֵ��7��8��Cr��OH��3��,��ټӻ��,��ʹCr��OH��3��ȥ��Ĺ�ˇ��ڵ�һ��ֱ��Ͷ��၆�F,��NaOH��Ca��OH��2�{(di��o)pHֵ��7��8,��Cr��OH��3��,��ټӻ��,��ʹCr��OH��3��ȥ��ʹ��ԓ��g(sh��)��,��t�Uˮ��̎��1000M3,��Uˮ��t��10mg/l.ԓ��g(sh��)�m��ں��t��I(y��)�Uˮ̎��

��һЩ��Ҳ��ᵽ��þۺ��Ȼ��X�F̎��僺��t�Uˮ,��ۺ��Ȼ��X�F��Ђ��y(t��ng)��PAC ,��PFC�ă�(y��u)�c��γɵ��w��,��ٶȿ�,��ˮɫ�ȱȾۺ��Ȼ��F�ã��Ч��w��փ�(y��u)�ھۺ��Ȼ��X,��w��(n��i)�ݸ��ĺ�,��

��늽ⷨ��^�V

1.��ˇ��̸śr

�僺��t�Uˮ��Ƚ�(j��ng)�^��ȥ��^��w��đҸ��{(di��o)��(ji��)��,�� ˮ��ˮ�|(zh��),�� Ȼ��ɱ��늽��늽⣬��늽��^��ꖘO�F��ܽ�Ɂ��F�x��,��ԗl��F�x�ӌ��r�t�x��߀ԭ��r�t�x��,��ͬ�r��ꎘO��⣬ʹ�UˮpH ֵ��,��,��˕rCr3+ ��Fe3+ ��Ԛ��,��늽��ĳ�ˮ��Ƚ�(j��ng)�^��,��Ȼ��B�m(x��)ͨ�^��Uˮ��϶��£��ɼ��^�V�ء�һ��^�V�؃�(n��i)��ϣ�ľ̿��̿,��t��,��^�V�؃�(n��i)��ϣ��o��ú��ʯӢɰ,��ˮ�г��^�V��^�V,��ˮ��ˮ�z�龮,��ͨ�^��M��ѭ�h(hu��n)ˮ��s��ˮ,��^�V�õ�ľ̿��̿,��o��ú,��t��ռ��偠t��

2.��Ҫ�O��

�{(di��o)��(ji��)��1��,��1��,��^�V��2��ѭ�h(hu��n)ˮ��1 ��,��Դ��ƹ�,��늽�ۡ�늽��Դ,��늽�늉�1�ף�ˮ��5�_,��

3.�Y(ji��)��c��

ĳ�像S�像Uˮ̎��O��r�l��,��g��ͬ�ĕr�g��ȡ�ӡ�

�僺��t�Uˮ��늽ⷨ��^�V��ˇ̎��ȫ��,��^�V�؃�(n��i)��϶��ڼ��偠t��,��_��˾C��僺��t�Uˮ��Ŀ�ġ�

ԓ̎��g(sh��)�mȻ�\�пɿ�,��,��ע��ׂ��棺

a��Ҫ��ڸ��Q�O�壻

b��һ��Խ��|(zh��)��,��t�б��ܽ�Ŀ��,��

c��^�V�؃�(n��i)��ϱ�횶��̎��ٟ��ص�,��t��Ⱦ,��ɴ˿�Ҋ��̎��Oʩ�ӏ��ǳ��Ҫ,��

4.�Y(ji��)Փ

1��ԓ̎��ˇ��僺��t�Uˮ��ص�,��^�V�؃�(n��i)��϶��ڽy(t��ng)һ̎��Ⱦ��̎��ˮȫ��,��ɹ�(ji��)ʡˮ�YԴ,��@�Ľ�(j��ng)��Ч�档

2��ԓ��ˇͶ�Y�^С,��g(sh��)��,��\�з�(w��n)��ɿ��,��ڹ��,��m��ڲ�ͬҎ(gu��)ģ��a(ch��n)��I(y��)��