MBRĤ��ﷴ��ᘌ�ϴԡ��ˮ��ˮ��̎��о�

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

1.��Ԍ��F��ˮ��ͣ��r�gHRT��SRT�ĳ�ַ��x;

2.ռ��eС;

3.ϵ�y(t��ng)��,��y��ЙC��õ��Mһ��ֵĽ��;

4.ʣ��a��O��,��Փ�ϿɌ��F��ŷŵȡ�

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

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

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

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�ϣ��M��MBRĤ��ﷴ��Ҫ��MBRĤ�M��ﷴ��,��

�Ɍ��ֳ��ｵ��^(q��)��Ĥ�V��ˮ�^(q��)�ɲ��,��ڌ��ã��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��ë�l(f��)�^�V��^�V��M��λˮ��,��ٽ��Ӌ�M��ｵ��^(q��),��ЙC��@�ﱻ΢��ֽ⣬��Һ��M��Ĥ�V��ˮ�^(q��),��ձõĳ��½�Ĥ�^�V��M��ˮ��,��sҺ�ɽ��ײ��Bͨ�ܷ��ｵ��^(q��)��γɻ��,��ײ��ؚ��ؚ�,��

�D1.��ʽMBRĤ��ﷴ��

�D2.һ�wʽMBRĤ��ﷴ��

�D3.��M��Ĥ��ﷴ��

�c��y(t��ng)MBR��ȣ��M��MBR�ڽY��Ͼ��c��

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

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

��M��MBRĤ��ﷴ��Ҫ��(y��u)�c�ǣ�

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

2.̎�팦��ͬ,��һ�wʽMBR�ͷ��ʽMBR��Ĥ�M��̎��ﷴ��н��ｵ��ȫ��Һ��M��MBRĤ�M��̎��ǽ��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�|pH ֵ��6.5��7.0 ; CODCr ��93��350 mg/L ;LAS��1.0��10 mg/ L ;NH3 - N��0.6��1.0mg/L ;��ȣ�85��160 NTU;SS��15��50 mg/ L ;�ɫ�Ұ�,��

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

��,��ԇ�Y��c��

1.��cMBRĤͨ��Pϵ

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

2.HRT�cCOD ��LAS ��Pϵ

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

ԇ�Y��,��ϵ�y(t��ng)��COD ��ȥ��SHRT ��Ӷ��,��2 h �r��74.99 %��6 h �r��87.52 %,��oՓHRT ��2 h,��4 h��߀��6 h ,��ˮCOD ��С��40 mg/ L,��HRT ��2 h �rĤ�V��ˮ�^�࣬��ʹ��¶��ˮ��,��a��˲��ԭϴԡ��ˮ,��ʹ4 h �rCOD ��ȥ��ʽ��71.86 %��a��,�� ˮCOD ��36.3 mg/ L ,�� С��40 mg/ L ��@�ǑҸ��͸��๲ͬ��õĽY��,��Ҳ�Ǹ��M��MBR��ｵ��^(q��)��ȸ�,��̎��Ч��õľC��w�F��õĿ��_��ؓ��,��ˮˮ�|��(w��n)��ɿ�,��⣬HRT Խ��,��ˮ��LAS ��Խ��,��2 h �rС��0.2 mg/ L ��M��s��ˮˮ�|��LAS ��Ҫ��,��

3.Ĥ��COD �Ĕr��

ͨ�^��MBR��ˮˮ�|��Ĥ�V��ˮ�^(q��)��Һˮ�|��ͬ��O(ji��n)�y,��@�^�쵽Ĥ��ϵ�y(t��ng)COD ȥ��ʵ�ؕ�I,��O(ji��n)�y�Y��1 ��ʾ��Y��,��ԇ��^��,��ҺCOD ʼ�K��Ĥ�V��ˮ

COD ��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��,��Ĥ�V��ˮ�^(q��)Ĥ�Ĕr��Ï��a��ｵ��^(q��)̎��ܵĲ��(w��n)��C��(y��u)��ĳ�ˮˮ�|,��Ĥ��ܽ��Դ��ЙC��Ĕr��Ĥ��͸��W��,��ȸ��M��Ĥ��ﷴ��̎��ϴԡ��ˮ��ԇ��о��γɵ��z�ӹ�ͬ��ɵġ�

4.�ݷeؓ��

��M��MBR�ĸ�Ч��ʹ��׺�ȫ��ｵ��^(q��),��H�S��˺ܸߵ��,��ҿɴ��ݷeؓ�ɡ�ϵ�y(t��ng)��COD �ݷeؓ�ɞ�1.16 kg / (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��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��,��Ĥ��Ⱦ��Թ��w��߀��ܽ��ЙC��,��ͬ�r��,��Mһ��ԇ��о��

��,��ԇ�YՓ

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

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

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

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��Wϵ��҂��r��,��h��,��x�x��