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̫ԭ�б��ˮ��S(��º��Q�鱱�S)Ŀǰ��õ�A2/O��Ó��ˇ,��ԭ��-��ˇ��ɵġ��(j��ng)�^��a(ch��n)�\��,�l(f��)�F(xi��n)A2/O��ˇ��ȥ��COD��ЙC��ͬ�r,��Ч��ȥ��ˮ�еĵ�,��,ʹ��ˮ�еĵ�,��ם�ȴ��Ƚ��͡��ڶ�N��ص�Ӱ�,��\�еķ�(w��n)��д��Mһ��,��,��ؾ�Ӱ�A2/O��ˇ��Ҫ��M��о�,�Ա��ҳ��(n��i)��Ҏ(gu��)��,��A2/O��ˇ��\��Ч��,��

1��ԇ��c��

1•1��ԇ򞹤ˇ��

1•2��ԭˮ��c

��̫ԭ�е�ȱˮ��r,ÿ�괺��c�ļ��ɺ��r��(ji��),��΁�ˮݔˮ��܇��r(n��ng)��ˮ��ڹ��,��Ɂ�ˮ��S��(ji��)׃��ܴ�,һ��ÿ��1~3�¡�10~12��ˮ��30~35�fm3/��;4~9��ˮ��10~17�fm³/��,��S�ā�ˮ��Ҫ��ˮ,��I(y��)�Uˮ��ռ��^С(<30%),�ҟo��,��,��S��ˮ��^��,��

1•3��ָ�˼��

BOD,COD,SS,NH3-N,TN,TP,MLSS��Ŀ��ˮ�͏Uˮ�O(ji��n)�y��(��)�M�С�

2��ԇ�Y(ji��)��cӑՓ

2•1��̼��(COD/TN),��̼�ױ�(COD/TP)��Ӱ�

Ó��^��ӹ��w��õ��Ǻ�̼��,��ɞ��:��̼Դ;��ˮ��̼Դ;��΢��ṩ�ă�(n��i)̼Դ,��̼Դ��(j��ng)��ϲ��,��(n��i)̼Դ��١��,��ˮ̎��ֻ��ˮ��̼Դ��x,��ՓӋ��,COD/TN��4��ҕr��ܝM�㷴��Ҫ,��Ǟ��߷��ٶ�,ͬ�r��ܝM��Ҫ��̼Դ,��COD/TN��4,��S�Mˮ��COD׃��^��,һ��110~970 mg/L,��NH3-N��17~37 mg/L,��COD/TNһ��4��ϡ�

�ı�1��Կ��,�M��S��COD/TN��,��ȥ��Ҳ��,��ǿ��f��,COD/TN��SÓ��Ч��Ӱ��^С,ͬ�r��ص�Ӱ�,��COD/TN��4�rҲ��ڿ��ȥ��^�͵��r,�f��COD/TN��Ӱ�Ó��Ч��Ψһ��,��(j��)��P�Y��@ʾ,��COD/TP>60�r,��׵�ȥ��ʎ׺��c̼��ȟo�P��ֺ㶨,��S�Mˮ��׺ܵ�(��0•046~2•9 mg/L֮�g),COD/TPһ��60,��COD/TP��S��Ч��Ӱ��^С,��

2•2��ؓ�ɡ��ؓ�ɵ�Ӱ�

��ؓ��A2/O��ˇ��һ��Ҫ��OӋ��(sh��),�䌦��Ó��Ч��Ӱ��Ȟ��@��,��һ��,��ؓ�ɿ��й�ʽ��ʾ:

N =QLaXV

ʽ��Q———��ˮ��,m3/d;

La———�Mˮ��|(zh��)(TN)��,mg/L;

X———��Һ�Ҹ��w��,mg/L;

V———��ݷe,m,��

��S�MˮNH3-N��TN��׃��^С,��Һ�Ҹ��w��һ��4~6 mg/L֮�g,��˿��Խ��Ƶؿ��ؓ��S��ˮ��Q׃��׃��ą��(sh��)��ڸ��N��ص�Ӱ�,��S��(j��ng)A2/O��ˇ̎��ĳ�ˮNH3-Nֵ׃��^��,��F(xi��n)��S1998~2000��ˮNH₃-Nֵ�y(t��ng)Ӌ�ڱ�2(��Д�(sh��)��(j��)��10 mg/L��һ��,��ˮNH3-N>10mg/L�r�J��Ó��Ч��,��ˮNH3-N<10mg/L�r�J��Ó��Ч��),��

�ɱ�2��֪,ÿ��5~10��,A2/Oϵ�y(t��ng)Ó��Ч��Ҫ�ձ郞(y��u)��·ݡ��˕r��SA2/O��ˇϵ�y(t��ng)�\��Ѓɂ��c:һ�Ǵ˕r�Ĝض�(ˮ��)Ҫ��@��·�;��Ǵ˕r��̎��Ҫ��@��·�,��ǲ��ܓ�(j��)�˶��J�鵪ؓ��Ӱ푱��SÓ��Ч��ֱ��,��

һ��v,�S��ؓ�ɵ��,NH3-N��TNȥ��½��Mһ��о��,5~10�·��g,�M�ܴ˕r��S��̎��·�,��\�D(zhu��n)�r�gҲͬ�ӵ��·�,��,��԰ѵڶ��c�Mһ��ֽ��:�ن�λ�r�g̎��^��;��ϵ�y(t��ng)̎��g��B�m(x��)��\�D(zhu��n)��B(t��i),�\�Еr�g��,��

�ı��S�z�y��(sh��)��(j��)��԰l(f��)�F(xi��n),A2/Oϵ�y(t��ng)��ؓ��0•01~0•03 kgTN/(kgMLSS•d),��ؓ�Ɍ�Ó��Ч��Ӱ푲��@��

�ı�3��Կ��,��S�MˮTPһ��0•4~2•5 mg/L֮�g,�S��MˮTP��,��ˮTP��Ҳ��,��ڿ��ؓ��0•002~0•003kgTP/(kgMLSS•d),��˿��׵�ȥ��^��,��

��غͺ��з��,�l(f��)�F(xi��n)��,��Ҳ��,��׵�ȥ��Ч��á��Mˮ��׺��ߕr,��څ��׵�ጷų̶�Ҫ��Mˮ��׺��͕r��ጷų̶�,��,A2/O��ˇ��^�̵��P�I�ǅ��׵�ጷ�,��

2•3��ضȌ��Ó��Ч��Ӱ푡��

�ض��Ӱ�΢��L��ӵ��Ҫ��,��Ҫ�w�F(xi��n)�ڼ��ֳ�ٶȺͻ��ԃɂ��档��,��m�˵��L�ضȞ�25~30��,��ض�С��15��r��ٶ��@�½�,��Ҳ��Ƚ��,��

�ı�4��Կ��,ȫ��и��µ��MˮNH₃-N׃��,һ��20~30 mg/L��ˮNH3-N�t��ͬ,��ڜضȵ�Ӱ�,һ�ļ��(ˮ��12~16��)��ˮNH₃-N<5 mg/L��씵(sh��)ռ�\��씵(sh��)��0~29%,NH3-N<10 mg/L��씵(sh��)ռ�\��씵(sh��)��0~35%;��(17~22��)��ˮNH3-N<5mg/L��씵(sh��)ռ�\��씵(sh��)��46%~71%,NH3-N<10 mg/L��씵(sh��)ռ�\��씵(sh��)��72%~93%,��

�ضȌ��׵�Ӱ푲��䌦��Ӱ푴�,��ԇ򞔵(sh��)��(j��)��Կ��,��ʹ�ڜض��^�͵�10~12�·�,TP��ȥ��Ч��Ժܺ�,��,�ضȲ��Ӱ푱��S��׵��Ҫ��ء�

2•4��Ȍ�Ó��,��Ч��Ӱ�

A2/O��ˇ�Ļ��֞��,��ȱ��ṩ��,��鷴��Һ�M�̵��w,�_��Ó��Ŀ�ġ,��ƫС,ȱ��NO-x-N��,΢��ķ��õò��ְl(f��)�],ϵ�y(t��ng)Ó��Ч��,��^��,�t��,��(j��ng)��,��

��S��Һ��һ��13000~15000m³/d,ȡƽ��ֵ��14 000 m3/d,��ձ�4��֪��ȼs��100%~160%,��\��Ч��,��ڱ��S�MˮNH₃-N��TN�^��,��ܝM��A2/Oϵ�y(t��ng)��Ҫ��Ҫ��A2/Oϵ�y(t��ng)�ṩ��΢��,��m��A2/Oϵ�y(t��ng)��ؓ�ɵ�Ҫ��,��S��һ��5 000~7 000 m³/d,ƽ��6 000 m³/d,��Ȟ�80%~40%,��ԇ򞔵(sh��)��(j��)��Կ��,��ؓ��0•01 ~ 0•03 kgTN/(kgMLSS•d),��ؓ��0•002~0•003 kgTP/(kgMLSS•d),��\��Ч��,�˻��ܝM��ϵ�y(t��ng)��׵��Ҫ��,��ڜض��^��,��Ӱ��^��,��ˮNH₃-Nƫ��,��ˑ��m��ߴ˻��,��

3��Y(ji��)Փ

(1)��S��ˮ�ĽM�ɲ��Ӱ�A2/O��ˇÓ��,��Ч��Ҫ��,COD/TN,COD/TP�ܝM��A2/O��ˇϵ�y(t��ng)��Ó��׵��Ҫ,��

(2)��S�Ŀ��ؓ��,��ؓ��^��,A2/O��ˇϵ�y(t��ng)��TN,TP��ȥ��Ч��^��롣

(3)�ض��Ӱ�A2/O��ˇϵ�y(t��ng)Ó��Ч��Ҫ��,�ҜضȌ�Ó��Ӱ푱Ȍ��׵�Ӱ푴�,��

(4)��S��Һ��Ȼ��ܝM��A2/Oϵ�y(t��ng)��Ҫ,��Mһ��Ó��Ч��,��m��߻��Һ��2~3֮�g;��ˏ��A2/Oϵ�y(t��ng)��,��m��1~1•5,��

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