��г��ˮ̎��S��Û��

��r�g��2008-09-26 11:44 ��Դ�� : ��x��1090

1��ˮ̎��S�śr

��г��ˮ̎��S��ʽ��̎��ˇ��̎��Ҏ(gu��)ģ��3×104 kg/d��,��ؓ�ɞ�0.050 kg-BOD/(kgMLSS·d),MLSS��4142mg/L��g��22d ,��ˮ��ͣ��r�g4h,��ຬˮ�ʞ�82%,��A��Ȟ�10.5mg/L,�VҺ��Ȟ�6.0mg/L.2003��1�½�(j��ng)��պ��ʽ�\�У��M,��ˮ��ˮ�|(zh��)Ҋ��1,��

��1�� ˮ�S��M��ˮˮ�|(zh��)

ָ��	PH	SS (mg/L)	BOD (mg/L)	COD (mg/L)	NH₃-N (mg/L)
�Mˮ	7.0	300	200	430	45
��ˮ	7.5	30	30	120	15

2��Û��ԭ��

��2003��12��ԁ�,ԓ�S��ˮ�е�COD��SS��,ͬ�r��ϵ�ˮ��ϴ��һ��ĭ,�R�z�l(f��)�F(xi��n)��x(��xԽ��Խ��)�Ĕ�(sh��)��½�,�ҳ��F(xi��n)��Ľz��,SVIֵƽ��210ml/g,�f��l(f��)��Û,��

��(j��)ˮ��ӛ�,��σ�(n��i)��DO��2.0mg/L��,��ˮPHֵ��7.5----8.5֮�g,�Mˮ��N,��P��S��R�z�r�]�аl(f��)�F(xi��n)��,��ؐ��¾��Ⱥ��򻯺��^��r��ֳ�Ľz��,��˔ඨDO,��PH��C��N��P�I�B(y��ng)�Լ��^��ȶ��Û��ԭ��,��һ�Εr�g�ԁ�,��Ԟ��ؓ��̫�ߣ�һֱ�^��OӋֵ��Û�ģ��˲�ȡ��k��ؓ�ɽ��͵�0.11kg-BOD/(kgMLSS.d)��,��ڴ�ؓ��·�(w��n)��12d,��ڜy��SVIֵ�r�l(f��)�F(xi��n)SVI�Ľ��Ͳ��@��220---160ml/g��ܽ�Q��Û�Ć��}��ؓ�ɸߵ�Ҳ��Û��Ҫԭ��,��

��ԭ��շֹ��ȷ��y��ˮ��΢��Ԫ�أ��,��c��V,��F,��i��,��~,��懡��\�ȣ��ĝ�ȕr�l(f��)�F(xi��n),��F��0.43mg/L,��懺��0.037mg/L��h�h��c��΢��Ҫ��о��,��鱣�C΢��x��,��ˮ��躬��һ��(sh��)��΢��Ԫ�أ��@Щ΢��Ԫ�،�΢��L��Ҫ��ܣ�һ��ø���,��߀ԭ��ӂ��f��,��{(di��o)��(ji��)΢��B͸��ȱ��@Щ΢��Ԫ��,��t΢��Ļ��Ԍ��,��o��M��ӵ��D(zhu��n)�ƣ��x��o��M��,��΢��w��(n��i)��Щ��Ԫ�أ��,��V��ĺ��^�ߣ��Ąt��^��,��ˮ��̎��^��,��鱣�C΢��ķ�(w��n)��ԣ��@ЩԪ�ؾ��m��?sh��)ĺ��ˮ��,��ĳһ�N��׷NԪ��ȱ��ߺ��,��͕��΢��L��̎��Ч��,��ͬ�r��½z��L��Û,��

3��ƴ�ʩ��Ч��

��(j��ng)�^��_�J,��΢��Ԫ��ȱ��ԓ��ˮ̎��S�l(f��)��Û��Ҫԭ�򡣞��,��˺��F��2mg/ml,��懞�0.1mg/ml��Һ��Ͷ��ˮ��,��A��У��c�Mˮ��Ͷ��1��1000ͬ�r��DO,��MLSS��SVI,��COD,��SS��ճ��y��Δ�(sh��)��y��õ��SVIֵҊ��2,��

��2�� Ͷ��F,��懺��SVIֵ׃��

��	1��18	1��19	1��20	1��21	1��22	1��23	1��24	1��25	1��26	1��27
SVI	186	200	156	124	100	86	63	58	60	62

��ı�2��Կ��ȡͶ�Ӻ�΢��Ԫ��Һ�Ĵ�ʩ��,��SVIֵ��ԭ��ml/g��Ѹ�ٽ��60ml/g��,��Û�õ��Ч��ƣ��σ�(n��i)��ĭҲ��ʧ��,��\�з�(w��n)��,��ˮ��COD��SS��ͣ�CODС��100mg/L,��SSС��30mg/L��,��ˮˮ�|(zh��)Ҳ�_��ˡ�

4��Y(ji��)Փ

��ͨ�^��ԓ��ˮ̎��S�\�Р�r��{(di��o)��c��,��_�J΢��Ԫ��ȱ��l(f��)��z��Û��Ҫԭ��,��ˣ��ȡ��Ͷ�Ӻ�΢��Ԫ�ػ��Һ��k��,��Ч�ؿ��Û,��ʹ��̎��ϵ�y(t��ng)��ԾS��\�У��_��̎��ˮˮ�|(zh��)��(w��n)��_��,��`�^��пɵó��½Y(ji��)Փ��

��1) ��Û��ԭ��ܶ�,��Ҫ��һ��ų�,��äĿ�؆ΆΏ�ؓ��^�ͻ�ؓ��^��,��

��2) ��ρ��f��܉��һ��̶��ϱ��ɵ�ؓ��Û,��

��3) ΢��Ԫ��΢��L�ı�Ҫ�l��,��΢��Ԫ��ȱ��t��̎��ϵ�y(t��ng)��ܾS��\��,��F(xi��n)��Û�Ȳ��,��F(xi��n)��,��ˣ�Ͷ��΢��Ԫ��ǽ�Q��ϵ�y(t��ng)��,��F(xi��n)��һ�N�ɹ��x��ķ��

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