��ˮ̎��S

��r�g��2008-09-26 10:27 ��Դ�� : ��x��2517

��̸śr

��ˮ̎��Sһ�ڹ��̹��Ă��A��M��,��96��7��98��4��ˮ̎��Sǰ�ڿ��м��ˮ�ܾW(w��ng)��S�^(q��)�O(sh��)Ӌ��,��98��5��2001��7�S�^(q��)��̼��26.412km�ܾW(w��ng)��̽��O(sh��),��2001��9��2003��1��һ��̎��̣�2004��10�º�,��O(sh��)��֧�ܾW(w��ng)��^(q��)�ܾW(w��ng)��,��w��Ͷ�Y�~1.9�|Ԫ��,��(w��)��ǳ��ϳǅ^(q��)��I(y��)��ˮ��̎��Ҏ(gu��)ģ60000m3/d,��

2,��ˇ��ԇ�\��r

2.1��ˇ��̈D

��ˮ̎��S��ó��Ó��̎��ˇ��乤ˇ��D1��

��ˇ�O(sh��)Ӌ��(sh��)

��ˮ̎��S��P(gu��n)�O(sh��)Ӌ��(sh��)��1��

��1,��O(sh��)Ӌ��(sh��)
��Tab.1�� Design�� parameters

��(sh��)��Q	�O(sh��)Ӌֵ	��(sh��)��Q	�O(sh��)Ӌֵ
COD_cr	250mg/l	��MLSS	4000mg/l
BOD₅	150mg/l	��ؓ��	0.067
TN	30mg/l	��g	17.5d
TP	3mg/l	��ˮ��ͣ��r�g	13.4h
SS	150 mg/l	��	100%
̎��Ҏ(gu��)ģ	60000m3/d	��a(ch��n)��	0.85kg/kgBOD₅
�Mˮƽ��	2500m³/h	��r�g	2h
��DO	2—3mg/l	��DO	<0.2mg/l

�\�к��

��ˮ̎��S��\�н�(j��ng)�Mԭ��,��һֱ��2003��9�²��ʽԇ�\�У��ԇ�\�г�ˮˮ�|(zh��)��,��\��Ч��,��ˮˮ�|(zh��)��O(sh��)Ӌֵ��_��GB8978--96һ��(bi��o)��(zh��n)Ҫ��,��2��

��2. �M,��ˮˮ�|(zh��)
��Tab.2�� Raw and effluent water quality

��ˮ��(sh��)	�O(sh��)Ӌֵ	��Hֵ	�Mˮ��(sh��)	��Hֵ
BOD5	20mg/l	5—8 mg/l	BOD5	40—60 mg/l
CODcr	60 mg/l	10.6—15 mg/l	CODcr	70—100 mg/l
TP	0.5 mg/l	0.5mg/l	TP	2.5—3.6 mg/l
TN	15 mg/l	10—13.5 mg/l	TN	25—30 mg/l
SS	20 mg/l	10—12 mg/l	SS	100—150 mg/l

�\��r��

��1��Mˮ��{(di��o)С��,��ˮ��ͣ��r�g�څ��ԭ��2h�Ğ�2.5h,��ԭ��13.4h�Ğ�16.7h��г�ֵ��L�r�g,��ȵ��L��̎��Ч��,��؄e��ھ��׾��څ��ó��ЙC��M�г�ֵ��ף��Єt�и��ĕr�gȥ��,��Ķ��˳��Ч��,��

��2��D(zhu��n)��p�ٺ󲻵��]��Ӱ�̎��Ч��,��ڃ�(n��i)Դ��Ĝp��,��Ѹ��,ͬ�rҲ��BOD5��CODcr��ȥ��,��Ҳͬ��ڃ�(n��i)Դ��Ĝp�ٻ��,��΢��ǵõ��ӣ��׃��,��ڶ��׳��,��Ķ��ˮSS��½��ˮˮ�|(zh��)׃��,��ӵ�3�_��,��C��ˮ��٣��ĳ��γ�,��Ķ�Ҳ��˅��׵��r,��

��3��p�ٳ�ɰ��\�Еr�g,��Mˮ�ЙC�ￂ��,��΢��L��ȵ�Ѹ��ӣ��ˮ�S��\�е춨��A(ch��),��

��,��4��ʣ��ŷ��p��g,��,��׵�ȥ��ʡ��`�C��,��ڵ�ؓ��,��m��(d��ng)�pС��g��ȫ��ʹ��;��׾��ֳ��ڽӽ�һ��,��Ķ��ͬ�r��^�õĳ��Ó��Ч��,��

��5��D(zhu��n)��p��,��Μp��,��ȱ��ӣ��(j��ng)�^�m��(d��ng)�{(di��o)��,��ʹÓ��Ч��Ҳ��,��

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