��+MBR ��ˇ̎��S��C��ˎ�Uˮ��о�

��r�g��2011-08-25 14:36 ��Դ��򹤘I(y��)��W(xu��)�W(xu��)�� : ��x��1846

ժҪ����ó��+MBR ��ˇ��ĳ�S��C ��I(y��)�ďUˮ�M��̎��,��MBR ��ˇ�c��+MBR ��ˇ��UˮCODCrȥ��Ч��Ĳ. ��Y(ji��)��,��ó��+MBR ��ˇ�M��̎��,��MˮCODCr��1 100 mg/L ��ң��a(ch��n)ˮCODCr��200 mg/L ��,��(y��u)�چΪ�MBR ��ˇ̎��Ч��,��Mˮ��ƽ��ֵ��145 mg/L��a(ch��n)ˮ��10 mg/L��,��ȥ��90%��,��ˮ��ͣ��r�g��25 h��ˮˮ�|(zh��)�^��,��M��ĔU��ļ��g(sh��)Ҫ��.

�P(gu��n)�I�~��S��؏Uˮ,��,��MBR��Z��

MBR ��ˇ�ǌ��F(xi��n)��Ĥ��x��g(sh��)�c��y(t��ng)��̎��g(sh��)�ЙC�Y(ji��)��һ�N��͸�Ч��ˮ̎��ù�ˇ,��ռ��eС,��ݷeؓ(f��)�ɸߡ��,��׹�ˇ��c[1]. ��ﷴ��(y��ng)��팦�ЙC��M�н��õ�ͬ�r,��Ĥ��ЙC��M�н��|(zh��)��Ĥ��ͣ��ڷ��(y��ng)��(n��i),��@��˱Ȃ��y(t��ng)�Ļ��෨��c΢��|�ĕr�g,��ĳЩ��
΢��B(y��ng)��˷��(y��ng)��ȥ��Ч��[2]. �S��C��a(ch��n)��칤ˇ��(f��)�s,��oՓ��R�Ϸ�߀�ǃɲ��l(f��)�ͷ�,��ڰl(f��)�͡��ȡ,��ϴ��,��ȡ�ȹ��ڮa(ch��n)��ďUˮ��ҳɷ֏�(f��)�s,��̎��y�ȸ�,��y��ｵ��־��ж��к��|(zh��)[3]. ��һ�N��Ч��̎��g(sh��)��MBR ǰ��Mһ��ȥ��ЙC��,��M��(y��n)��ĳ�ˮ�ŷŘ�(bi��o)��(zh��n). �ӱ�ĳ�S��C ��a(ch��n)��I(y��)�F(xi��n)�еĹ�ˇ�ǲ��ö༉��|��ķ��̎��Uˮ��y��ЙC��,��ԭ�й�ˇˮ��ͣ��r�g�L��40 h��,��ռ��e��,��ˮˮ�|(zh��)��_��ҡ��ˮ�C��ŷŘ�(bi��o)��(zh��n)��GB8978—1996��еĶ��(bi��o)��(zh��n),��Ҫ��ԭ�й�ˇ��A(ch��)��M�и��. ��̽��S��C ��a(ch��n)�Uˮ��ˇ,��_��ŷŘ�(bi��o)��(zh��n)��ںӱ�ĳ�S��C��ˎ��I(y��)�M��˞��50 d �ĳ��+MBR ��ˇ��ԇ��,��

����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,��