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ժ��Ҫ��Ľ�B SBR(Sequencing Batch Reactor)��Ĺ�ˇ��Լ��似�g�l(f��)չ�ı�Ҫ��,��gЪ�Ի��෨̎��ơ�ƹ��I(y��)�Uˮ�M��ԇ��о�,��Y��ԓ��\�п��^��и�ָ�˵ĺ��h��

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1 SBR��ˇ��Լ��M[1]

1.1 SBR��

SBR��ͨ�^�ڕr�g�ϵĽ��挍�F��y(t��ng)��෨��^�̡��ֻ��һ��Ԫ,��{��(ji��)��,��ؚ�غͳ��صĹ��ܼ��ڳ����ˮ�|ˮ��{��(ji��),��΢��ｵ��,��ЙC��͹�Һ��x�ȹ��ܡ��SBR��\��^�̣��Mˮ—�ؚ�—��—��ˮ—��C,��S��Ӌ��C��Ԅӿ��Ƽ��g��w�ٰl(f��)չ,��Q��_�l(f��)��gЪ��еď��s��}��ʹԓ��ˇ�ă�(y��u)�ݵõ��ְl(f��)�],��SBR��̎��ˮ��(y��u)�c[2]��ٹ�ˇ��,��r��;�ڕr�g�Ͼ��ʽ��;��\�з�ʽ�`��,��Ó��Ч��;��;�݌��Mˮˮ�|ˮ��Ĳ��Ӿ��^�õ��m��[3],��

2 SBR��ˇ�ĸ��M

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3 SBR��ԇ��о�

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3.1ԇ��O��ͷ��

ԇ��в��õ�SBR��b��,��Ч�ݷe10L��,��΢��ؚ�,��ܽ��z�y�x�ھ��z�y��DO��ȣ�ͨ�^��ؚ��S��DO��Ⱥ㶨,��DO�c�ؚ��^С�r�Ô��ʹ��Һ��ϳ��,��ԇ��ԭˮ��ơ�ƏUˮ��Ҫ�ɷְ��N��,��ĸ,����͵��|��ЙC��,��ں��^�ߵ��ܽ��ԏUˮ,��S��΢��L��BOD��=100��5��1�ı��ԭˮ��Ͷ��Ȼ��@��ƶ��ɵĠI�B(y��ng)Һ,��

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3.2ԇ�Y��ͷ��

3.2.1 DO��ЙC�ｵ�ⷴ��ʵ�Ӱ�

ơ�ƏUˮ��һ�N��ܽ��׽��⹤�I(y��)�Uˮ��ڷ��_ʼ,��׽��ЙC��΢��,��ڼ��ں��m(x��)��׃��S��ؚ��M��,��ʣ��ЙC�ﲻ��ȥ��,��ڷ��ǰ�ڣ��ЙC�ｵ��Ѹ��,��slh��ЙC�ｵ��ꮅ,��^��У��c��r�g�׺��ʾ��Pϵ,��ЙC��M�зֽ�,��c��Pϵ��󡣮�DO��2.0mg/L��ϸߝ�ȕr,��ЙC�ｵ��DOӰ푺�С,��ЙC��׺��غϡ��,��DO��ȵĭh(hu��n)��,��ЙC�ｵ��DOӰ푄t�^��ǵ�DO��(DO<1.0mg/L�r,��100 min��ЙC��ܽ��100mg/L��),��ЙC�ｵ�⵽һ��֮�󣬽��ʼ��ʾ��_ʼ�p��,��Ҳ�S֮��,��ڣ��ЙC��Ⱥܵ�(COD��100mg/L��),��Ҵ󲿷֞鲻��ｵ��ļ��|,��DO��2mg/L��ϕr��ЙC�ｵ��cDO��g��Pϵ,��Ī�Z��ʽ��þ��Իؚwͨ�^Ӌ��C��ͳ��KO2��0.194mg/L,��IAMRRC��]��KO2��0.2mg/L��С��@��ʾ��^�ߝ��,��DO��ЙC�ｵ��Ӱ푺�С,��@��ʾ��˹�(ji��)�ܛ]�б�Ҫ�S�o�ؚ��^�ߵ�DO��,��

3.2.2 SBR��ˇ��DO��ָ��Ӱ�

DO��ȵĸߵ�Ӱ��΢��L��DO��(DO=2.0-1.0mg/L)�͸�DO��(DO>2.0mg/L)�h(hu��n)��,��SVIһֱ�^��,��ڸ�DO��ȗl��£�SVI��35ml/g��,��@��,��DO�m�˵��r�£�΢��ռ��(y��u)��,��෴�z��L�t�ܵ��ơ�һֱ�ԁ�,��DO��ȱ��J��z��Û��Ҫ��֮һ,��ڹP��ǰ��ԇ��У��㶨�ؚ��ڵ�DO��ȗl��Ҳ��l(f��)��^�z��Û,��Ȼ��,��ԇ�l��£��s��F�˽�Ȼ�෴��ԇ�Y��,��ڵ�DO�h(hu��n)��м��ˮƽ��,��Ԝp��x�^�̾��,��@ʹ��ھ��z�F��γ��Ҫ��õ��vĤ�ķ��p��,��ຬˮ��½��SVIֵ��,��,��ԇ��^��DO��u�͵ģ��ÿһDOֵ��^�Lһ�Εr�g��Z��,�@Ҳ��ǌ��µ�DO�l��SVI��͵�ԭ��,��

3.3�YՓ

ͨ�^��Y��ķ��c�uՓ,��½YՓ��

(1)SBR��̎��ơ�ƹ��I(y��)�Uˮ�У�DO��ȸ�(DO>2.0mg/L)�r,��ЙC�ｵ�ⷴ��ܿ��,��DO��ЙC�ｵ��ʵ�Ӱ푲��;�෴��DO��^��(DO<0.8mg/L�r,��ЙC�ｵ��ꮅ�t��^�L�r�g,��DO��ЙC�ｵ��@��Ӱ푣�DO��Խ��,��ЙC�ｵ��ԽС,��

(2)DO��Ȍ��ЙC��Ƚ��ʵ�Ӱ푿��Ī�Z��ʽ��ԇ��ЙC��Ƚ��vmax=4.62d-1,��ͳ��KO2=0.194mg/L,��DO>2.0mg/L�r,��ЙC��Ƚ��ʽӽ��ֵvmax��˕r,��DO��Ȳ��ЙC�ｵ��,��,��˹�(ji��)�ܣ��ؚ��Ҳ�]�б�Ҫ�S��^�ߵ�DO��ȡ�

(3)һ��J��DO��Û��Ҫԭ��֮һ,��Ȼ��ڱ�ԇ�l��,��DO��Ȳ��]��Û,��෴�sʹSVIֵ��ͣ��΢��p��,��x�^�̾��,��ЙC�ｵ��ʽ��͡,��Ҋ,��ĳ�N��r�£��DO��Ȳ��Û�ĳ��c��Ҫ�l��,��@һ

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4 �Y�Z

SBR��ˇ��؃Ȼ��Z��󣬻��Ը�,��ʸ�,��ܺã��m��,��SBR��ˇϵ�y(t��ng)��ӳ��ڑ��ؚ�,��ЙCؓ�ɑ�ԓ��أ��ɳ�ؓ��\��;��ܺ��D�r,��t��Ӵ�ؓ��,��Դ��M��L��߻��Һ��,��30min��򞼰��Һ��Ⱦ��@ʾ��r,��r�ų�ʣ��࣬��ϻ�,��Z��߀Ҫ�m�r�ŷ��ˮ��x��Һ,��ڌ��H��У��̎��Ҏ(gu��)ģ��r,��SBR�ز��\��,��ʹ��ϵ�y(t��ng)��S�o��څ�ڏ��s��SBR��؄e��һ��С�С��Ҏ(gu��)ģ�ЙC��^��,��ԺõĹ��I(y��)�Uˮ̎��,��^��ƏV��Ãrֵ[5]��

��īI��

[1] Ф��.SBR̎��ˮ��о�[J].�ؑc�h(hu��n)��ƌW.1996,��(815)��39-41

[2] ��Ƚ�,��Horst A Jezierski��Ѧƽ.�gЪʽ�p��حh(hu��n)��෨�ڹ��I(y��)�Uˮ̎��еđ��,��oˮ��ˮ[J].2001,��27(10)��59-61

[3] ��ģ��w��x,��gЪʽ��෨��g��c��[J].�Ϻ��ͨ��W�W��,��1996��30(9)45-48

[4] ��.��ʽ��๤ˇ(SBR)�\��ģʽ��OӋ��о�[D],��1994

[5] Goronszy M..C.��.ѭ�h(hu��n)ʽ��෨�ڹ��I(y��)�Uˮ�еđ��[J]�Ї��oˮ��ˮ.1996,��12(6)23-27

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