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2.1 ��c

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2.2 ԭ��

2.2.1 ��һ΢늽ⷴ��(y��ng)�ظ��(j��)��ٲ��ˮ��Һ�еĸ��g��Փ��֪,��κ��ʽ�ĸ��g�ذl(f��)��늘O֮�g,��҃�늘O ֮�g��ͨ�^��T�F��F�c̼�ĺϽ�,��T�Fм��ˮ�Еr,��͘�(g��u)��·�� ı��Ͼ��,��ڳ�ǧ��f��(x��)С��΢늳؃�(n��i)��,��F�ɞ�ꖘO��g�� ̼�ɞ�ꎘO,��ԗl��,��(y��ng)��£�

ꖘO��(y��ng)��Fe��2eFe2+

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2.2.2 ��

��ǌ��A(y��)̎��֚��đҸ����ЙC(j��)��͵�һ΢늽ⷴ��(y��ng)��Юa(ch��n)��Fe(OH)3��,��(j��ng)��,��M(j��n)һ��x,��ֹ��һ��(y��ng)��,��ͬ�rȥ��COD��

2.2.3 ��һ��(y��ng)��

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2.2.4 �ڶ�΢늽ⷴ��(y��ng)��

�ڶ�΢늽ⷴ��(y��ng)��Ƿ��]�b��,��Ҫ��ֹ�՚��е��ą��(y��ng)��Ɍ��(y��ng)��,��ĵ�һ��(y��ng)��ĺ��д��ˮ��ڶ�΢늽ⷴ��(y��ng)��,��cFe2+�Y(ji��)�ϳ�FeS��

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2.2.5 �ڶ��(y��ng)��

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3.1 ��ˮ��C

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