MBRĤ��ﷴ��ˮ��̎��о�

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MBRĤ��ﷴ��ǽY(ji��)��Ĥ��x��g(sh��)�c��̎��ĸ�Ч��g(sh��)��ˇ,��Ч��M��ˮ��x,��Ҿ��Ђ��y(t��ng)��ˮ̎��ˇ��ɱȔM�ă�(y��u)�c��

1.��Ԍ��F(xi��n)��ˮ��ͣ��r�gHRT��SRT�ĳ�ַ��x��

2.ռ��e�,�,��

3.ϵ�y(t��ng)��ã��y��ЙC��õ��Mһ��ֵĽ��,��

4.ʣ��a(ch��n)��O��,��Փ�ϿɌ��F(xi��n)��ŷŵȡ�

��ˮ�YԴ��o��,��ˮ��Ⱦ��څ��صĽ��,��MBR��ˮ��þ��о޴��h(hu��n)��ͽ�(j��ng)��Ч��,��

ϴԡ��ˮ�ǃ�(y��u)�|(zh��)��ˮ��ˮԴ,��a(ch��n)��e�^,���ȵ�ռ��ˮ��71%��79%,��ЙC��ĺ��ͣ��(j��ng)MBRĤ̎��,��Ɍ��F(xi��n)��ˮ̎��YԴ��,��(j��ng)�^MBR��ˮ��̎��Ժ��ȫ��ھG��_ϴ�Լ��^ˮ�a,��

��M��MBRĤ��ﷴ��,��ᘌ�ϴԡ��ˮ̎��M��ԇ򞡣�Y(ji��)��ˮ�ĳ�ˮˮ�|(zh��)��,��COD<40mg/L,��LAS<0.2mg/L��χ��ҽ��O��C��s��ˮ��ˮ�|(zh��)�˜�,��

һ,��y(t��ng)MBRĤ��ﷴ��c��M��MBRĤ��ﷴ��

��y(t��ng)MBRĤ��ﷴ��֞��ʽ��һ�wʽ�ɷN��ڌ��ͨ��MBRĤ��ﷴ��M�и��M�Ļ��A(ch��)��,��M��MBRĤ��ﷴ��Ҫ��MBRĤ�M��ﷴ��,��

�Ɍ��ֳ��ｵ��^(q��)��Ĥ�V��ˮ�^(q��)�ɲ��֣��ڌ��,��M��Ĥ�V��ˮ�^(q��)�Ļ��Ⱥܵ�,��ｵ��^(q��)��ȵ�ͬ�r��p�p��Ĥ��Ⱦ,��@��LĤ��ϴ��;

��ｵ��^(q��)��ͺ�ʽ,��й̶��B(y��ng)(��Ĥ)�͑Ҹ��B(y��ng)(��)��ﷴ��c,��о��Ȇμ��Ļ��෨MBR��ĤMBR��ˮ̎��,��ͺ�ʽMBRĤ��ﷴ��ܸ��,��

΢�VĤ��׏�0.05μm,��ֱ�ӑҒ��Ĥ�V��ˮ�^(q��),��ԭ��ˮ��(j��ng)ë�l(f��)�^�V��^�V��M��λˮ��,��ٽ�(j��ng)��Ӌ�M��ｵ��^(q��),��ЙC��@�ﱻ΢��ֽ⣬��Һ��(j��ng)��M��Ĥ�V��ˮ�^(q��),��ձõĳ��½�(j��ng)Ĥ�^�V��M��ˮ��,��sҺ�ɽ�(j��ng)�ײ��Bͨ�ܷ��ｵ��^(q��)��γɻ��,��ײ��ؚ��ؚ�,��

�c��y(t��ng)MBR��ȣ��M��MBR�ڽY(ji��)��(g��u)�Ͼ��c��

1.�cһ�wʽMBR��,��MBRĤ�M��MBRĤ��ﷴ��,��λ��Ĥ�V��ˮ�^(q��)��һ�wʽMBRĤ�M��ֱ�ӑҒ��MBRĤ��ﷴ��,��֮ͬ̎��ˮ��ͨ�^ؓ��Ĥ��Ԫ��M��п��w�S��,��ײ��ؚ��Ԝp�pĤ��Ⱦ;

2.�c��ʽMBR��ȣ�MBRĤ�M��cMBRĤ��ﷴ��֮�g�o��ú͹ܾ��B��,��֮ͬ̎��MBRĤ�M��ﷴ��,��MBRĤ��Ⱦ�p�p��

��M��MBRĤ��ﷴ��Ҫ��(y��u)�c�ǣ�

1.�^һ�wʽMBRĤ��Ⱦ��p�p,��^��ʽMBR�ĽY(ji��)��(g��u)�o��,��w�eС��С,��oˮѭ�h(hu��n),��(ji��)��;

2.̎�팦��ͬ��һ�wʽMBR�ͷ��ʽMBR��Ĥ�M��̎��ﷴ��н�(j��ng)��ｵ��ȫ��Һ,��M��MBRĤ�M��̎��ǽ�(j��ng)��A��Һ��SS��Ƚ��,��ڲ��ܺĵ��r�p�pĤ��Ⱦ,��ｵ��^(q��)�⣬Ĥ�V��ˮ�^(q��)Ҳ��ؚ�(ǰ��Ǟ�΢��ṩ��h(hu��n)��,��Ǟ��˜p�pĤ��Ⱦ),��ԓ�O��ľ��w�ܺ��Mһ��ԇ��о�,��

��ԇ��ˮ��ԇ򞷽��

ԇ��õ�ϴԡ��ˮԭˮˮ�|(zh��)pHֵ��6.5��7.0;CODCr��93��350mg/L;LAS��1.0��10mg/L;NH3-N��0.6��1.0mg/L;��ȣ�85��160NTU;SS��15��50mg/L;�ɫ�Ұ�,��

��ԇ��ˮˮ�|(zh��)��CODCr��129.0mg/L,��LAS��6.4mg/L��93NTU,��з��ζ,��h(hu��n)��O��ϵ�y(t��ng)�\��һ��r�g��(w��n)��M��ԇ�,��ÿ��ԇ�Y(ji��)��ˮ�_ϴĤ�M��,��O(ji��n)�y�Ŀ��Ç��ҭh(hu��n)��֘˜ʷ��

��,��ԇ�Y(ji��)��c��

1.��cMBRĤͨ��P(gu��n)ϵ

Ĥͨ��S��׃��׃��,��քe�飺0.01��0.02,��0.03,��0.04��0.05MPa;��MBRĤͨ��0.72,��3.34,��4.85��5.44,��6.58mL/(m2?s),��Ҋ,��MBRĤͨ��S��Ӷ��,��߲��Ч��Ĥͨ��]��Խ��,��Խ��,��ԇ��0.01Mpa��

2.HRT�cCOD��LAS��P(gu��n)ϵ

��ڸ��M��MBRĤ��ĸ�Ч�r��,��ʹ��ｵ��^(q��)��,��COD��ȥ��Ч��ܺã�ͬ�rϵ�y(t��ng)COD��LAS��ȥ��cHRT��P(gu��n)ϵ,��

ԇ�Y(ji��)��,��ϵ�y(t��ng)��COD��ȥ��SHRT��Ӷ��2h�r��74.99%,��6h�r��87.52%,��oՓHRT��2h��4h,��߀��6h,��ˮCOD��С��40mg/L,��HRT��2h�rĤ�V��ˮ�^�࣬��ʹ��¶��ˮ��,��a��˲��ԭϴԡ��ˮ,��ʹ4h�rCOD��ȥ��ʽ��71.86%��a(ch��n)��,��ˮCOD��36.3mg/L,��С��40mg/L��@�ǑҸ��͸��๲ͬ��õĽY(ji��)��,��Ҳ�Ǹ��M��MBR��ｵ��^(q��)��ȸ�,��̎��Ч��õľC��w�F(xi��n)��õĿ��_��ؓ��,��ˮˮ�|(zh��)��(w��n)��ɿ�,��⣬HRTԽ��,��ˮ��LAS��Խ��,��2h�rС��0.2mg/L��M��s��ˮˮ�|(zh��)��LAS��Ҫ��,��

3.Ĥ��COD�Ĕr��

ͨ�^��MBR��ˮˮ�|(zh��)��Ĥ�V��ˮ�^(q��)��Һˮ�|(zh��)��ͬ��O(ji��n)�y,��@�^�쵽Ĥ��ϵ�y(t��ng)CODȥ��ʵ�ؕ�I��O(ji��n)�y�Y(ji��)��1��ʾ,��Y(ji��)��,��ԇ��^��У��ҺCODʼ�K��Ĥ�V��ˮCOD,��C��Ĥ��Ќ��COD�r�ص��,��

��ϵ�y(t��ng)��COD��ȥ��ｵ��^(q��)΢���ЙC��ķֽ��Ĥ�V��ˮ�^(q��)Ĥ��COD�Ĕr�؃ɲ��ֽM�ɣ��Ĥ�V��ˮ�^(q��)Ĥ�Ĕr��Ï��a��ｵ��^(q��)̎��ܵĲ��(w��n)��,��C��(y��u)��ĳ�ˮˮ�|(zh��),��Ĥ��ܽ��Դ��ЙC��Ĕr��Ĥ��͸��W�𣬵ȸ��M��Ĥ��ﷴ��̎��ϴԡ��ˮ��ԇ��о��γɵ��z�ӹ�ͬ��ɵ�,��

4.�ݷeؓ��

��M��MBR�ĸ�Ч��ʹ��׺�ȫ��ｵ��^(q��),��H�S��˺ܸߵ��ȣ��ҿɴ��ݷeؓ��,��ϵ�y(t��ng)��COD�ݷeؓ�ɞ�1.16kg/(m3?d),��^��y(t��ng)�Ļ��෨��1.5��2.5��ͬ�r�кܺõ��ȥ��Ч��^��Ŀ��_��ؓ��,��

5.Ĥ��Ⱦ�c��ϴ

MBR�m��T��(y��u)�c��ɞ鮔��ˮ̎��g(sh��)��о��c,��Ĥ��Ⱦ��ͨ��m(x��)��ͅsʼ�K��ƏV��õ��Ҫ�ϵK��

��ԇ��OӋ��MBR�ɜp�pĤ��Ⱦ��ԭ��ڣ�

(1)��ｵ��^(q��)��ͺ�ʽ,��MBR�е�Ĥ��Ⱦ��Ҫ��Ĥ��挦�ܽ��ЙC��Ҹ��w��ĳ��e��,��БҸ��Խ�ߣ�Ĥ��e��Խ��,��Ĥ��e��ͨ�^Ĥ��Ļ��Һ��ܽ��ЙC��ֱ��Ĥ��,��Ķ�ʹĤ��ЙC��ͣ��෴,��Խ��,��Ĥ��e��ԽС��Ĥ��ЙC��Խ��,��ͺ�ʽ��,��ˣ��C��Ч��^��,��Ĥͨ͸��ܾS��^��ˮƽ;

(2)��匢�b�÷֞�ɂ��^(q��),��

��ʹĤ�V��ˮ�^(q��)��^�ͣ��Ķ��Ч�p�pĤ��Ⱦ,��Ĥ��ϴ��ԁ�ˮ�_ϴ,��ͨ��ȫ�؏ͣ�ԇ��gδ��ϴ��,��ָ��,��ԓ�b�ýY(ji��)��(g��u)��ԣ��Ĥ��Ⱦ��Թ��w��,��߀��ܽ��ЙC��,��ͬ�r��ã��Mһ��ԇ��о�,��

��,��ԇ�Y(ji��)Փ

1.�\�ø��M��MBR̎��ϴԡ��ˮ�ĽY(ji��)��COD��LAS��ȥ��Ч��@,��ˮCOD<40mg/L,��LAS<0.2mg/L��oɫ,��oζ,��ˮˮ�|(zh��)��(w��n)��ɿ��]��Mˮˮ�|(zh��)�Ĳ��,��鱣�C��(y��u)��ĳ�ˮˮ�|(zh��),��ϵ�y(t��ng)��HRT��3h��ҡ�

2.Ĥ��COD��@�Ĕr��Þ�@�Ã�(y��u)��ĳ�ˮˮ�|(zh��)��Ҫؕ�I,��

3.��ڌ��Ҏ(gu��)MBR�M��m��M,��Ĥ�V��ˮ�^(q��)�Ҹ��ȣ��Ķ��Ч�p�p��Ĥ��Ⱦ��ԇ��g��ԁ�ˮ��ϴ��ɻ؏�Ĥͨ��,��w��ܽ��ЙC��Ⱦ��Ҫ��ʽ,��Mһ��о��̽ӑ��

����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��