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1 ��̸śr

�V�|ʡ�±��ˎ�ɷ��޹�˾��a(ch��n)�Uˮ��Ҫ��ײ�ù�ء��工��,��}ù��c�}��a(ch��n)��ˇ�^��ŷŵ��a(ch��n)�Uˮ,��б��Ԅ��࿹��,��,��ý�ȶ�N��|(zh��)��mȻ��BOD /COD>0��35,��Փ�ό��ڿ��Uˮ,��ǏUˮ��Ⱦ��ȸߣ��ɷ֏�(f��)�s,��ɫ�ȸ�,��ﶾ�Դ��pH׃��1��14֮�g׃��,��ˮ�|(zh��),��ˮ��Ӵ󣬌��һ��̎��y�ȵĿ��؏Uˮ,��ԓ��a(ch��n)�Uˮ��(j��ng)̎��˳��ˮ��,��Ҏ(gu��)��(zh��)�С��V�|ʡ��ˮ�ŷŘ�(bi��o)��(zh��n)��Ҫˮ�|(zh��)��(bi��o)��(zh��n)��£�COD��300 mg ·L^-1,��BOD��60 mg ·L^-1,��pH ��6 ��9��SS��200mg·L^-1��Ŀǰ,��ԓ�S��ˮ��1 100 m ·d^-1,��COD��Ȟ�7 000 mg·L^-1��COD�ŷſ��7��7t·d^-1,��ֱ�Ӳ��ú��̎��y��_(d��)��A(y��)�ڵ�Ч��,��ԓ��У�ᘌ��ˮ�|(zh��)��c,��(j��)��(n��i)��ɹ��Ľ�(j��ng)�,��ˮ��ữ+��̎��ˇ��ԓ��ˇ��Ҋ�D1,��

        ˮ��ữ��ˇ��ÙC(j��)��飺��]��a(ch��n)��cˮ��a(ch��n)��L�ٶȲ�ͬ,��̎��ڷ��(y��ng)�r��ζ̵ą��̎��1�A�Σ��ڴ��ˮ�⼚(x��)��,��a(ch��n)��ЙC(j��)��ˮ��ܽ��ЙC(j��)��,��y��ｵ��Ĵ��|(zh��)�D(zhu��n)��ｵ��С��|(zh��)��^�̣�ˮ��ữ��ˇ��N��̎��A(y��)̎��ɸ��M(j��n)�Uˮ�Ŀ��,��Uˮ��Ч̎�턓(chu��ng)��õėl��,��

        ԓ��ABR��ˮ��ữ��(y��ng)��ˮ��ữ��Ì��Uˮ�еĴ��Ҹ��(��Ҫ�Ǿ��)��ЙC(j��)��ˮ��,��D(zhu��n)��С��ЙC(j��)��,��ߏUˮ�Ŀ��ԣ�ͬ�r��ȥ��COD,��Uˮ�еĴ��΢���Uˮ��(��Ҫ�Ǿ��)�Ĵ��Ч�r��,��p��䌦SBR��(y��ng)��΢��ã��SBR��(y��ng)�ص�ȥ��,��

        ��(j��ng)�^�߂��µ��{(di��o)ԇ��\��,��Y(ji��)��˝M��ˮˮ�|(zh��)�_(d��)��V�|ʡ��ˮ�ŷŘ�(bi��o)��(zh��n)

2 ˮ��ữ��

        ��O(sh��)Ӌ�Ќ�ˮ��ữ��——ABR�O(sh��)Ӌ��ɂ��(li��n)�ĳ��ӣ�ÿ��ӵĳ��w�ߴ�֞��L×B×H=22��7 m×8��25 m×6��5 m,��һ��Һ͵ڶ��ҳ��ӌ�֮�ȼs��l��3,��1��4��ÿ��(n��i)��3 m�ߵď��w��ϣ��ȸ��ˮ��B(t��i)�͂��|(zh��)Ч��,��ڏ�(qi��ng)��Ч��ֹ��ʧ,��Ҟ��˷�ֹ��ʧ��ʹ��ЙC(j��)��ֽ��|��ڵ��񿿽��̎��b�˿՚��Ի��࣮��w��?c��)ݷe��2400m3,��Ч�ݷe��2 000 m3,��O(sh��)Ӌ̎��ˮ��1 000 m3��d^-1ˮ��ͣ��r��48 h,��O(sh��)ӋCODȥ��ʞ�25��,��

3 ˮ��ữ�ص��{(di��o)ԇ

        �Ώ�(qi��ng)�Ȳ��ú��A(y��)��Ĥ�ķ��م��Ĥ��(y��ng)��Ć��,��˄��O(sh��)�䣻��񲨵��ӷN��B(y��ng)�ữ��Ĥ,��o��ؚ�,��ԓ��ˮ��ữ��m(x��)��̎��ˇ——sBR�خa(ch��n)��ӷN��࣬��һ��º�,��ϒ��һ�ӽY(ji��)��Ĥ,��Ĝy��Y(ji��)��ữ��@��ϵ�y(t��ng)�M(j��n)�뷀(w��n)��\��,��

4 ˮ��ữ�صķ�(w��n)��\��

        �ڷ�(w��n)��\��^��,��ؚ�ͻ��ˮ��ữ��Ӱ��M(j��n)��о��ˮ��ữ��ٶȴ��1 m/s�r̎��Ч��,��O(sh��)Ӌ��30��,��˴_��70��30��,��0��r�քe��ȣ�

4.1 �ؚ⌦ˮ��ữ��Ӱ�

        ��1# ��70��,��2# ��30��ɂ��ӵ�̎��Ч��Ҋ��1,��

�ɱ�1��֪1# ��ƽ��ȥ��ʞ�8��87��,��2# �Ğ�9��73��ˮpHֵ��e��@�چ��ܽ��COD/��COD��rҊ�D2,��

��1#��,��2#��30��r��ɽM��ӵ�̎�� Ч��M(j��n)�б��^,��̎��Ч��Ҋ��2,��

�@�Εr��(n��i)��ܽ��Դ��ЙC(j��)��Ľ��rҊ�D3��

4.2 �ؚ⌦ˮ��ữ��Ӱ�

�քe��ɽM�ữ�ص��ؚ��M(j��n)�Ќ��ȣ��1#��ؚ�,��2# ΢��,��̎��Ч��pHֵ��rҊ��3��ܽ��COD/��COD�Č��rҊ�D4��

4.3 ϵ�y(t��ng)��(w��n)��\��A�ε�̎��Ч��

        ��ϵ�y(t��ng)��(w��n)��\��A�Σ��ˮ��ữ��A(y��)̎��,��ˏUˮ�Ŀ��,��SBR�ص�CODȥ��90.34�� 95.25�� ֮�g,��ϵ�y(t��ng)��ˮCOD��183��291,��300��@�ﲻ��٘��(j��ng)�^һ��µķ�(w��n)��\��,��ϵ�y(t��ng)�_(d��)��ŷŘ�(bi��o)��(zh��n),��

5 ��}�cӑՓ

5.1 pH ֵ

        ��ϵ�y(t��ng)�\�е��^��У��ؚ��c��c��M(j��n)��ˮpHֵ��e��ܴ�,��(j��ng)��J(r��n)��ԭˮ��pH�^��,��@��ˮ��ữ��a(ch��n)��ЙC(j��)�ᣮ�҂��Ï�(qi��ng)�ANaOH��M(j��n)ˮ��pHֵ��@��ˮ��ȱ��һ��ĉA�ȣ��܌��a(ch��n)��ē]�l(f��)��ЙC(j��)��һ��ľ��_��,��Ķ��˓]�l(f��)��ЙC(j��)��ķe�ۣ��Ժ�Ĺ��н��h��Ca(OH)2��ԭˮ��pHֵ,��@�ӿ��Ԍ��a(ch��n)��ē]�l(f��)��ЙC(j��)��һ��ľ��_��ã��ˮ��ữ��(x��)��(chu��ng)��õ��L�l��,��

5.2 CODȥ��ʺ��ܽ��COD/��COD

        ˮ��ữ�،�COD��O(sh��)Ӌȥ��ʞ�25��,��ڌ��H�\��^��҂��l(f��)�F(xi��n)��COD��ȥ��ʲ�δ�_(d��)��O(sh��)ӋҪ�󣬶��ɱ�1,��2,��3֪��ؚ��c��ˮ��ữ�ص�ȥ��Ӱ푲��.�@��ˮ��ữ�^��,��M(j��n)��ˮ�е�COD��BOD ��ȵ�׃��3�N��r�� ,��󲻳��^20�� 30��cԭˮ��ƽ(��Ǟ�ˮ��ữ��r��F(xi��n)��),�� (�߷��ӏ�(f��)�s�ЙC(j��)��ˮ��ữ�r).��ԓ��ԭˮ�о��^��,��ˮ��ữ�،��y�ܽ�ľ��D(zhu��n)��ɿ��ЙC(j��)�ʹ�Ï�COD��ȥ��ʁ��ˮ��ữЧ��@��(j��ng)�^ˮ��ữ��ܽ��COD/��COD��,��˿��صĶ��,��SBR�صķ�(w��n)��\�Є�(chu��ng)��˗l��.��ԣ�ˮ��ữȥ��cԭ��O(sh��)Ӌ��,��ϵ�y(t��ng)�е��ѳ�ְl(f��)�]��,��@�c�O(sh��)Ӌˮ��ữ�ص�Ŀ��Ǻϵġ�

5.3 ˮ��ͣ��r�g

        �A(y��)�ữ��@�ă�(y��u)�c,��ȫ�ữ��m(x��)�ĺ��̎��,��_ʼ�r��҂��J(r��n)��ˮ��ͣ��r�g̫�L,��܌�SBR��̎��Ч��,��\�нY(ji��)��SBR��ƽ��ȥ��90��ϣ��O(sh��)Ӌˮ��ͣ��r��48 h�Ǻ��m��.

5.4 �ؚ��c��

        �ɈD2�͈D3��֪ԓˮ��ữ�ػ��0�� ,��30�� ,��70�� r�ܽ��COD/��COD�ı�ֵ��ν��ͣ��ɈD4��֪��ؚ��ؚ�r�ܽ��COD/��COD�ߣ��ڲ��ؚ�,��@��ˮ��ữ��,��һ��0��5 mg·L ��£��ӽ��,��ԓϵ�y(t��ng)��ȫ��],��՚��е��ѽ�(j��ng)��S��̎��ˮ��ữ��B(t��i)��ؚ��^��Ӱ�΢��L��ֳ��

        ��ڲ��,��΢��Թ��L��,��ʧ,��˲��Ҫ��͔��O(sh��)�䡣