��ڏUˮ̎��еđ��

��r�g��2008-09-22 11:37 ��Դ��Ї�ˮ̎��O��W(w��ng) ��: ��x��338

        ��^��Ŀǰ��ⱊ��ˮ̎��ˇ�Б��V��,��ձ�Ć�Ԫ��֮һ,��ǏUˮ̎��^��в��ȱ�ٵ��P�I�h(hu��n)��(ji��),��Ч��ĺÉ��Q��˺��m(x��)��̵��\�Р�r,��K��ˮˮ�|��M��,��x��ηN��,��߳�ˮˮ�|,��ˮ�ɱ��Ҫ�ļ��g��(j��ng)��rֵ,��

        ��仯�W�ɷ�,��ɷ֞�o�C�}��,��ЙC�߷��΢��o�C�}��Ʒ�N�^��,��Ҫ��X�},��F�}��ˮ��ۺ��ȵͷ��}��Լ��o�C�߷��ӵ��,��ЙC�߷��Ҫ�кϳɵ��ЙC�߷��Ȼ��ЙC�߷��,��

        1 �o�C�}��

        1.1 �o�C�ͷ��

        �o�C�ͷ��X��Ȼ��X,��F,��Ȼ��F�ȣ��X��_�l(f��)��,��һֱ��һ�N��Ҫ�ğo�C��,��õ��X�}��XAl₂(SO₄)₃•18H₂O��\Al₂(SO₄)₃•K₂SO₄•24H₂O,��һ��F�}��Ȼ��Fˮ��FeCl₃•6H₂O.��၆�Fˮ��FeSO₄•17H₂O��F��o�C��ă�(y��u)�c�Ǳ��^��(j��ng)��,��÷��,��,��Ч��ͣ��Ҵ��ڳɱ��,��g�ԏ��ȱ�c,��

        1.2 �o�C�߷��

        �o�C�߷��20��o60��ڲŰl(f��)չ��һ��͏Uˮ̎�턩��c��y(t��ng)��,��ܳɱ��Ч��,��҃r��^�ͣ��𲽳ɞ��ˎ��څ��,��Ŀǰ�ձ�,��_˹��W��҇��a(ch��n)��_��I(y��)��,��Ҏ(gu��)�,��Ԅӻ��ĳ̶ȣ��Ϯa(ch��n)Ʒ�|��(w��n)��,��o�C�ۺ��a(ch��n)��ռ��a(ch��n)��30%��60%[1],��