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1. 1 ��ͨ��๤ˇ

20 ��o(j��)90 ��, �Ϻ�ʯ��S��û��෨��ˇ̎��a(ch��n)�Uˮ, ��,��

�Uˮ→ pH �{(di��o)��(ji��)→�{(di��o)��(ji��)��→ �ؚ��→��→ ��ˮ

��ԓ��ڌ�ˮ�|(zh��),��ˮ��׃��^��, ��ЙC(j��)ؓ(f��)�ɛ_��, �a(ch��n)��, ̎��韩��M(f��i)��^��, ��Û, ռ��e��ȱ�c(di��n), ��Ğ��|��̎��

��ͨ��෨,��|��COD ��ȥ��һ��_(d��)��82% ~ 92%,��Ҫ��ˮ�_(d��)һ��ŷŘ�(bi��o)��(zh��n),( COD) < 100 mg/L, �t�M(j��n)ˮ�� ( COD)<=1 250mg/L, ��̎��Ԫ�ݷeؓ(f��)�ɲ��ܸߡ�

1. 2 PACT ��ˇ

ͨ�^��ͨ��ͻ��ӻ��̿��ĩ��PACT ��ˇ��Ȱl(f��)�F(xi��n), ��ͬ�l��PACT ��ˇ̎��Ч�ʱ��ͨ��๤ˇ��s�� 38. 42% ,��

1. 3 ��V- ��ˇ

��ʿ��˾��M(j��n)�ľ��Uˮ̎��g(sh��)�ǲ��V��- ��Ĥ��M(j��n)��̎��,��

�Uˮ→pH �{(di��o)��(ji��)→��V��( ��)→��(y��ng)��( ��) →��→�ŷ�

ԓ��̎��ؓ(f��)�ɸ�, ��(qi��ng), ̎��Ч��, ��ЙC(j��)ؓ(f��)�ɵě_��, ��, ռ��eС��, ��һ��Ͷ�Y��, �罨һ��̎��110 t/d �b��Ͷ�Y 259. 47�f��R��, ߀��o��(g��u)��, �\(y��n)��M(f��i)��^�ߡ�

��V��(y��ng)��趨��a(b��)��N, P �I�B(y��ng),��˹�ˇCOD ��ȥ��ʿ��_(d��)��96% ,��Ҫ��ˮ( COD) < 100 mg/L, �t�M(j��n)ˮ( COD)<= 2 500mg/L��

1. 4 ��- ��- ��|��

�Uˮ��→��→��→��|��→��→ �^�V��→ �ŷ�

��ЏUˮ��ʽ, �ֳ��ȫ��ʽ�\(y��n)��, t ( HRT) �_(d��)2. 67 d, DO �_(d��)0~ 5 mg/L,��M(j��n)ˮ�� ( COD) = 2 000mg/L, ��ˮ( COD) �s960 mg/L, ȥ��52% ,��

��t (HRT) = 18~ 20 h, ��ˮ��20: 1, ǰ�벿��DO �_(d��)1 ~ 3 mg/L, ��벿��( DO )<= 0. 5mg/L, COD ȥ��_(d��)30% ��

��pH ��7. 0~ 8. 0, t (HRT) = 2. 78 d, �ض�30~ 35��, DO ��0 mg/L �l��\(y��n)��, COD ȥ��_(d��)40%,��ɶκ��|��ؿ�t (HRT) ��37. 5 ~ 40 h, 1# �ؚ�ˮ��30:1, 2# �ؚ�ˮ��20:1, DO �� 2~ 4mg/L �l��\(y��n)��, COD ȥ��ʿ��_(d��)70%,��

��(n��i)ĳ�S�քe��4 �N��ˇ��3 �N��Uˮ�M(j��n)��̎��, �ͳ�ˮˮ�|(zh��)��, һ��r�»��෨��_(d��)��ŷŘ�(bi��o)��(zh��n), ��߄t��_(d��)��; �͹��Ͷ�Y��, ��V- ��h(yu��n)�� - ��- ��|��, ǰ�ߞ��ߵ�3 ��

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