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��Uˮ��a(ch��n)��̿,��ú�⡢��ͼ��a(ch��n)Ʒ��^��Юa(ch��n)��ďUˮ,��ڽ��Uˮ��ߝ�ȵİ��S��y��ｵ��ЙC���h(hu��n)��Σ��^��,��A(y��)̎��Ԍ��Uˮ��y��ｵ��ЙC��D(zhu��n)��һЩ��ｵ��ЙC��,��m(x��)�ĺ��ｵ�ℓ(chu��ng)��×l��,��Ķ��ϵ�y(t��ng)��̎��Ч�ʡ��n�}�о��ʽ��(y��ng)��ASBR��Uˮ�M��A(y��)̎��Ŀ��Լ��ˇ��,��

1 ԇ��c��

1.1 ASBR��(y��ng)��\��ϵ�y(t��ng)

СԇҎ(gu��)ģASBR��(y��ng)��35��С��ˮȡ��̫ԭ��ú�⹫˾��S��(j��ng)�^��,��֮��Ľ��Uˮ,��b��D1��ʾ,��

1.2 ��ﻯ�W(xu��)��ݣ�BMP��y��

�ݷe��500mL��ƿ��ﻯ�W(xu��)��ݣ�BMP��y��÷��(y��ng)��BMP�Ĝy��E��ȡ100mL�w��500mL��ƿ��,��m��ı��o�C�I�B(y��ng)Һ��350mL�Ľ��Uˮ�У�ρ(CODcr)=800mg/L��,��õ��ⴵ��ƿ�еĿ՚��Ա��C��B(t��i)��t(y��)��Ƥ��ܷ�ƿ�ڡ��ƿ��35��ĭh(hu��n)��M��B(y��ng),��

ͬ�r�M�пհלy��һ��ƿ��ֻ��100mL��w��࣬��뽹��Uˮ,��Eͬ��,��ÿ�շքeӛ�ˮ�ӺͿհ׵ļ��a(ch��n)��,��ֱ��a(ch��n)��ֹͣ��ƿ��ų��Ě��w��м��CO2,��CO2��ܴ��텒��l��CODcr��(y��ng)�p��ʑ�(y��ng)��a(ch��n)��CO2��0.1mol/L��NaOH��,��(d��ng)ˮ�ӺͿհ׶��ٮa(ch��n)��r,��BMP�y��Y(ji��)��,��˕r��ˮ�ӿ��a(ch��n)��pȥ�հ׿��a(ch��n)��BMP�Ĝy��Y(ji��)��,��

1.3 ��(n��i)��

��ý��Uˮ��ASBR��(y��ng)��е��Ǟ��|(zh��)��B(y��ng)�ą��w��M��Z��,��

�ڜy��Uˮ��BMP,��

��о�ASBR��ˇ��A(y��)̎��Uˮ�Ĺ�ˇ�l��͹�ˇ��ԡ�

2 �Y(ji��)��cӑՓ

2.1 �Z��^��

��в��Ǟ��|(zh��)��Mˮ�н��Uˮ��ռCODcr�ı��,��ͬ�r�𲽽��ЙCؓ�ɵķ��Ǟ��|(zh��)��B(y��ng)��ĽӷN��w��M��Z��ʹ΢��m��(y��ng)�͝��ж��y��Ľ��Uˮ��,��Z��v�r��225d,��Z��w��ව(w��n)��,��

2.2 BMP�Ĝy��

��w��ཛ(j��ng)175d̎��Uˮ��Z��ȡ��w��Uˮ�M��BMP�y��,��BMP��u�r��ˇ��Uˮ��_��̎��Ч��,��(y��ng)ԓָ��,��BMP��BOD5һ�ӣ��ǏUˮ��ЙC��Ⱦ��D(zhu��n)��u�rָ��(bi��o)��BMP��څ��ˇ��ȥ��ЙC�(sh��)��,��ֻ��ڄӑB(t��i)��ˇԇ��,��K�_��ж��ЙC��Ⱦ��D(zhu��n)��[2],��

BMP�y��̎��Uˮ�r,��CODcr��黯�ʞ�41.9%,��

2.3 ASBR��ѹ�ˇ��(sh��)��ԇ�

��(j��)�Z��^�̵Ľ�(j��ng)򞣬��Դ_��Ӱ�CODcrȥ��ʵ�3��Ҫ��طքe�飺�Mˮ�r�g�c��(y��ng)�r�g�ı�ֵ��tf/tr��,��Ӛ┇�菊�Ⱥ��gЪ��跽ʽ,��x��ѵ�ASBR�\�Зl��Z��,��Mˮ�r�g�c��(y��ng)�r�g�ı�ֵ��菊��,��gЪ��跽ʽ�@3��̎��Ч��Ӱ��@��\�Зl��ͨ�^��ԇ��x��,��\��ڞ�24h��MˮpH��7.0��8.0,��r�g��1h,��

ASBR��A(y��)̎��Uˮ��\�Зl��飺tf/trֵ��0.5,��菊�Ȟ�300mL/min��gЪ��跽ʽ��100s/45min,��

��ԇ��x��ѹ�ˇ��(sh��)�·�(w��n)��\��53d,��ASBR��(y��ng)��Mˮ��UˮCODcr��|(zh��)��Ȟ�416��1304mg/L,��Mˮ��|(zh��)��Ȟ�230��668mg/L��Mˮ�A�Ȟ�500��840mg/L,��MˮpHֵ��7.0��8.0,��ÿ��ȡ��ˮ�ӷ�(w��n)��\��2��3d��,��CODcrȥ��ʿɷ�(w��n)��30%��40%��cBMP�y��Y(ji��)��Ǻ�,��

2.4 �w��B(t��i)

�ӷN�w��һ��2��3mm,��ý��Uˮ��w��M��Z��r��S��ЙCؓ�ɵĲ��ཱུ�ͼ��Mˮ�н��Uˮ��Ĳ��,��w��Π�׃?y��u)��ƙE��Σ��pС,��1.7×1.5mm�Ă��w,��ASBR��(y��ng)��нӷN��w��Լ��˯B��w,��ASBR��A(y��)̎��Uˮ��Y(ji��)��r��R��輼�g(sh��)��SEM��ASBR��(y��ng)��w��΢��M��^��,��^��Y(ji��)��(y��ng)��е��w��Լ��z��w,��Ҳ�l(f��)�F(xi��n)��ļ��˯B��ӷN�w��B(y��ng)��,��Ǟ��ｵ��|(zh��)��MˮCODcr��|(zh��)��_7200mg/L,��(y��ng)��ȸ�,��w��Լ��˯B��Uˮ��CODcr��|(zh��)��^��,��(sh��)��r�µ��1000mg/L��Uˮ��y��ｵ��ЙC��,��ASBR��(y��ng)��ȵͣ��ڵ��ȭh(hu��n)��,��z��ɞ郞(y��u)�ݾ��ֳ��

ͨ�^��ϵČ�򞹤��ͷ��ӑՓ,��ɵó��½Y(ji��)Փ��

��BMP�y��,��̎��r��Uˮ��CODcr��黯�ʵĘO�ޱ��41.9%��

�ڌ��ƺͶ��õĵ͝�Ƚ��Uˮ��ʹASBH��w��w,��

��ASBR��A(y��)̎��Uˮ��Ҫ��ˇ�l��飺�Mˮ�r�g�c��(y��ng)�r�g֮��ֵ��tf/tr��菊��,��gЪ��跽ʽ,��Mˮ�r�g�c��(y��ng)�r�g֮��ֵȡ0.5,��Ӛ┇�菊��ȡ300mL/min��gЪ��跽ʽȡ100s/45min��

��ASBR��A(y��)̎��Uˮ�r,��М�35��\��,��(y��ng)��ρ(MLSS)ֵ��22.9g/L,��\��ȡ24h��Mˮ7.2h��(y��ng)14.3h,��2.0h,��ˮ0.5h��(d��ng)�MˮCODcr��|(zh��)��Ȟ�416��1304mg/L,��ЙCؓ�ɣ�CODcr��0.17��0.54g/(L·d)�r,��CODcrȥ��ʞ�30%��40%,��ˮSS��|(zh��)��С��150mg/L��

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