SBR��(y��u)�c

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ժҪ��ʮ��,��R.Irvine��ڵȰl(f��)��gЪʽ��෨��о�,��ֱ��ʮ��Ժ��ҵ��ҕ��m(x��)�صõ��_�l(f��)��(y��ng)��,��҇��t�ǽ��,��S��о��,��gЪʽ��෨�ֱ��gЪʽ��(y��ng)��(Sequencing Batoh Reactor)��҇��Q��gЪʽ(��ʽ)��෨,��QSBR��,��
�P(gu��n)�I�~��SBR�� (y��u)�c

1 ǰ��

��ʮ��R.Irvine��ڵȰl(f��)��gЪʽ��෨��о�,��ֱ��ʮ��Ժ��ҵ��ҕ,��m(x��)�صõ��_�l(f��)��(y��ng)�ã��҇��t�ǽ��,��S��о��,��gЪʽ��෨�ֱ��gЪʽ��(y��ng)��(Sequencing Batoh Reactor)��҇��Q��gЪʽ(��ʽ)��෨,��QSBR��,��

SBR��\�й��r��gЪ��Ҫ��^��gЪʽ�ЃɷN��x:һ��\�в��ڿ��g��ǰ��,��gЪ��,��ˮ��B�m(x��)�ŷ��Ӻܴ��@�r�gЪ��(y��ng)��(SBR)��ٞ�ɂ��ػ��(Ҋ�D 1),��ˮ�B�m(x��)��M��ÿ��(y��ng)��,��\�Еr��P(gu��n)ϵ��д��ġ�Ҳ��gЪ��,��ÿ��SBR ��\�в��,��ڕr�g��Ҳ�ǰ��еġ��gЪ��,��һ��ɰ��\�д��֞��傀�A��,��Mˮ��(y��ng),��ˮ��e��A��,��Q��һ��\��(Ҋ�D2),��

��һ��\��У��A�ε��\�Еr�g,��(y��ng)��(n��i)��Һ�w�e��׃��Լ��\�Р�B(t��i)�ȶ��Ը��(j��)��w��ˮ��|(zh��),��ˮ�|(zh��)��c�\�й��Ҫ��`��ա��Mˮ�A��,��ɰ�ֻ�Mˮ��ؚ�(��򲻔��)��ؚ��\��,��Ҳ�ɰ�߅�Mˮ߅�ؚ�ķ��ؚⷽʽ�\�У��ڷ��(y��ng)�A��,��ʼ�K�ؚ�,��Ó��Ҳ��ؚ�󔇰�,��ؚ┇�轻��M�У��ʣ��e��A��ŷ�,��Ҳ��ˮ�A�λ򷴑�(y��ng)�A�κ��ŷ�,��Ҋ,��ĳһ��-3BR ��f,��ڿ��g�Ͽ��Ƶ��ϵK��ֻ�ڕr�g��M��Ч�ؿ��c׃�Q,��_(d��)��N��ܵ�Ҫ��,��ǳ��`�

2 SBR��(y��u)�c

2.1 ��ˇ��,��(ji��)ʡ�M��

ԭ�t��SBR��w��ˇ�O(sh��)��,��ֻ��һ��gЪ��(y��ng)��(SBR)��c��ͨ��෨��ˇ��(��D3),��Ҫ��γ��,��༰��O(sh��)�䣬һ��r�²��O(sh��)�{(di��o)��(ji��)��,��(sh��)��r�¿�ʡȥ��γ��,��1985��Arora��ˌ��ô��ͰĴ��ȇ��8��SBR��ˮ̎��S�{(di��o)��,��ֻ��һ��̎��S�O(sh��)��{(di��o)��(ji��)��,��ɂ�̎��S�O(sh��)��γ��ء,��v�^��ˮ�˹��̎��N��ˇ��,��SBR��@�Ӻ��׵Ĺ�ˇ�^�o�H�С�ketchum��˵Ľy(t��ng)Ӌ�Y(ji��)��:��SBR��̎��С��(zh��n)��ˮ,��Ҫ��ͨ��෨��(ji��)ʡ��Ͷ�Y30%��,��⣬��˺��SBR��ˇ��ˮ̎��ϵ�y(t��ng)߀�в��þo��,��(ji��)ʡռ��e�ă�(y��u)�c,��

2.2 ��^��ʹ��(y��ng)��Ч�ʸ�

�@��SBR��ă�(y��u)�c֮һ��SBR��(y��ng)��еĵ��΢��׃��,��Ҳ��B�m(x��),��ˣ��\��ǵ��͵ķǷ�(w��n)��B(t��i),��B�m(x��)�ؚ�ķ��(y��ng)�A��,��Ҳ�ٷǷ�(w��n)��B(t��i)��(�c�ЙC��BOD�ȃr)��΢��(MLSS ��ʾ)��ȵ�׃��B�m(x��)��,��@��g,��mȻ��(y��ng)��(n��i)�Ļ��Һ��ȫ��Ϡ�B(t��i),��c΢��ȵ�׃��ڕr�g��һ��(plug flow)�^�̣��ҳʬF(xi��n)��B(t��i),��

��B�m(x��)��(y��ng)��,��ȫ��ʽ�c��ʽ�ɷN�O�˵��B(t��i)��B�m(x��)��ȫ��ʽ�ؚ��еĵ��ȵ��ڳ�ˮ��,��ؚ�ص��ٶȼ��ｵ��,��(j��)��(y��ng)��W(xu��)��ؚ��еĵ��Ⱥܵ�,��(y��ng)�Ƅ��Ҳ��С,��(y��ng)��cȥ��ЙC��Ч�ʶ��͡��ʽ�ؚ��,��ˮ�c��γɵĻ��Һ�ĳ��׶��M��,��B(t��i)��ؚ��ӣ��ĩ��,��g��ؚ�صĸ��ֻ�ЙM��,��ڿv��“��”��(y��ng)�Ƅ��ĵ��,��Mˮ��M��ˮ�r��͝��,��(y��ng)�^�̵��ț]��ϡጣ��M��ܵر��Ƅ��,��

��ȫ��ʽ�ؚ��Ҫ��ˮ��ͣ��r�gTc ��Ч�ݷeVc -��Ҫ��gЪ��(y��ng)��(y��ng)��Tc ��Vc ��3��,��Ngωωn-Jernָ��:��ȥ��ˮ�е��ЙC���3BR��ؚ�15min�͉��,��P��SBR��̎��ơ�ƏUˮ��ԇ�,��(j��ng)2h��ؚ�㌢��(y��ng)��е�COD2000mg/L��150mg/L��ҡ�

2.3 �\�з�ʽ�`��,��Ó��Ч��

SBR��˲�ͬ�ă��Ŀ��,��ͨ�^��ͬ�Ŀ��ֶΣ��`��\��,��ڕr�g�ϵ��`��,��䌍�F(xi��n)Ó��ṩ�˘O��ėl��H��׌��F(xi��n)��,��ȱ��c��B(t��i)��ĭh(hu��n)��l��Һ��ں��l��ؚ��,��(y��ng)�r�g�c��g,��폊��(y��ng)�cÓ�׾��^��zȡ��^�̵��ɣ�Ҳ��ȱ��l��·��Ͷ��ԭ��ˮ(��״��)��ȵȷ�ʽ,��ṩ�ЙC̼Դ��ӹ��wʹ��^�̸��,��߀��Mˮ�A��ͨ�^��S�օ��B(t��i),��MÓ�׾��ֵ�ጷ��ס�

��(y��ng)ָ��,��(f��)�s��Ó��^��ֻ��A-A/O��ˇ�в��,��SBR��Ć�һ��(y��ng)��һ��\��ڼ��ɡ��w��^��,��\�Р�B(t��i)�c��,��Mˮ�A�Σ��(��B(t��i)ጷ��)→��(y��ng)�A��,��ؚ�(��B(t��i)��ЙC��,��c�zȡ��)��(��),��cͶ��ЙC̼Դ(ȱ��B(t��i)��Ó��),��ؚ�(��B(t��i)ȥ��ʣ��ЙC��)→��ˮ�A��→�e��A�Σ�Ȼ��Mˮ��M��һ��\��,��^�Mˮ�c��(y��ng)�A��ؚ��c��轻��M�е��\�з�ʽÓ��ԇ��о�,��Ó��Ч�ʸ��ߡ�

�P��J(r��n)��,��ԭ��ˮ�е�P:BODֵ̫��,��ͨ��/��y��߳��ʕr��Ը��(j��)Phostrip��׵�ԭ��SBR��Ќ��F(xi��n),��ֻ��һ��ؼ��,��Ҋ,��SBR��םM��Ó��׵Ĺ�ˇҪ��,��ڕr�g�Ͽ��Ƶ��`��ܴ��Ó��׵�Ч��

2.4 ��ֹ��Û��ù�ˇ

��Û��z��Û,��ڻ��෨��gЪʽ��װl(f��)��Û,��ȫ��ʽ��Û��հl(f��)��Û�y�׳̶ȵ��:�gЪʽ,��y(t��ng)��ʽ,��A��ؚ�ʽ��ȫ��ʽ��ͬ�r�l(f��)�F(xi��n)�併��ЙC��(��׽��ˮ)��ʻ�Ч�ʵĸߵ�,��Ҳ��ѭ�@��,��SBR ��Ч�ؿ��ƽz��^��ֳ��ɏ��Ă��f��,��

a. ��ݶȴ�(Ҳ��F/M�ݶ�),��ǿ��Û��Ҫ��ء��ȫ��ʽ��]��ݶȣ��ǳ��Û,��ʽ�ؚ�ص��ݶ��^��,��Û��SBR��(y��ng)�A��ڕr�g�ϵ��B(t��i),��ʹF/M�ݶ�Ҳ�_(d��)��,��ˣ��ͨ��ʽ߀��Û,��о��Mһ��C��,��s��SBR��Mˮ�r�g��(y��ng)ǰ��ȸ��,��ݶȸ��,��SVIֵ��ͣ��Û,��

b. ȱ��B(t��i)��,��^��(sh��)�z��¾��ٵȶ��ǌ��Ժ��,��еļ�(x��)��а딵(sh��)��Ǽ��Ծ�,��c��ͨ��෨��ͬ��ǣ�SBR��Mˮ�c��(y��ng)�A�ε�ȱ��(��)�c��B(t��i)�Ľ��,��ƌ��Ժ��z��^��ֳ,��(sh��)΢��ﲻ��a(ch��n)��Ӱ푡��,��SBR��ؚ�ȷ��ؚ��Û,��

c. ��(y��ng)��е��^�󡣽z��z�F�ıȱ��e��,��zȡ�͝�ȵ��,��ڵ͵��ȵĭh(hu��n)��(��ȫ��ʽ�ؚ��)��ռ��(y��u)�ݡ��SBR ��(y��ng)�A��,��H��^��,��ݶ�Ҳ��ֻ��ڷ��(y��ng)�M��A��ǰϦ,��Ȳ��c��ȫ��ʽ�ؚ�ص��ͬ,��ˣ��fSBR��]��ڽz��ĭh(hu��n)��,��

d. ��g��,��L��ʴ�һ��z��ı��L��ʱ��(x��)��С,��ڷ�(w��n)��B(t��i)��,��g�ĵ��(sh��)��(sh��)ֵ��L��,��g�L��ȫ��Ϸ��ڷ�ֳ�z��SBR��B(t��i)�c��ٽ��ЙC��c,��ʹ��g�̵ėl��¾��ܝM��ˮ�|(zh��)��Ҫ�󣬶��g��ʹʣ��ŷ��ʴ��ڽz��L��,��z��o��ֳ,��

2.5 �͛_��ؓ(f��)�ɡ�̎��

��ȫ��ʽ�ؚ�ر��ʽ�ؚ�ص��͛_��ؓ(f��)��Լ�̎��ж��ߝ��ЙC�Uˮ��,��SBR��mȻ��ڕr�g��f��һ��^��,��Ǿͷ��(y��ng)��Ļ�Ϡ�B(t��i)�Ԍٵ��͵��ȫ��ʽ��˾��͛_��ؓ(f��)�ɺͷ��(y��ng)�Ƅ��ă�(y��u)�c,��SBR��ڳ��A�Ό��oֹ��,��֮��ܺ��c��Ҫ��M��ʹ��(y��ng)��оS��^�ߵ�MLSS ��,��ͬ�ӗl��,��^�ߵ�MLSS��ܽ��F/Mֵ��@Ȼ��и��͛_��ؓ(f��)�ɺ�̎��ж��ߝ��ЙC�Uˮ��,��߅�Mˮ,��߅�ؚ�ķ��ؚ��\�з�ʽ��ܴ��5BR��܏Uˮ�Ķ��Ժ͸��ЙC��,����ܶ�,��Ҳ��о��c�_�l(f��)��һ��c��

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