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1 ��

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2 ԇ�(y��n)�l��

        2��1 ��N

        2.1.1 �ữ��N——��B(y��ng)�Z��

        2.1.2 PSB��N——�t�ݾ��ƵĻ�Ͼ��N,��ȡ�԰��S�Uˮ��ˮ��܇�ˮ��,��(j��ng)��x��Y�x��,��

        2.2 �Uˮ��Դ��ˮ�|(zh��)

        2.2.1 �Uˮ��Դ——ȡ�԰��S�кͺ�V��ˮ,��

        2.2.2 ˮ�|(zh��)

        ��1

PH CODcr��mg�ML�� CODcr��mg�ML�� ?zh��)ǣ?span lang="EN-US">%�� ɫ�ȣ��

6 25000-30000 14000-17000 1.5-2.0 1400

2.3 ԇ�(y��n)�b��

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2.4 ��

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        BOD5��20��B(y��ng)5�գ��y��ĵ��ܽ��

        TVA��s��y��

        PH��DHA3000PHӋ(j��)

3 ԇ�(y��n)��

        3.1�ữԇ�(y��n)

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3.2 ��ͅ��PSBԇ�(y��n)

        ��B(y��ng)Һ��|(zh��),��PSB��Һ��քe�ں��ڰ��ͅ��՗l��B(y��ng),��ͬ�r(sh��)�g�Μy��w��,��

3.3 ��ͬͣ��r(sh��)�gPSBԇ�(y��n)

        ��ֻ��ͬ��ữ�Uˮ��PSB��Һ��ȡͣ��r(sh��)�g�քe��24h,��48h,��72h��96h,��y��CODȥ��,��

3.4 �ữ——PSB��(d��ng)�B(t��i)ԇ�(y��n)

        ��(j��)�ЙC(j��)�Uˮ��Ȼ��B(t��i)�^�̣��(j��)�ữ,��PSBԇ�(y��n)��(sh��)��(j��),��O(sh��)Ӌ(j��)��(d��ng)�B(t��i)ԇ�(y��n)��̡�

3.4.1 ��f��

        ��Uˮ��M(j��n)�뼯ˮ��,��(w��n)��ˮ�|(zh��)ˮ��,��ữ�ۣ��(j��ng)�^24h�ữ̎��,��Uˮ�ē]�l(f��)�Ậ��,��Ȼ��{(di��o)��(ji��)PH��6.5-7.0��ͨ�^PSB�񡢢�,��̎��,��PSB��۳�ˮ��ֻ��N��B(y��ng)�ۣ��(j��ng)��B(y��ng)���PSB��ѭ�h(hu��n),��PSB��ˮ��,��Һ�ų��۵׾��w��ӄ�,��

3.4.2 ��ˇ��̈D

        ��Uˮ→ ��ˮ��→ �ữ��→ PSB�� → PSB��→ PSB��→ ��→ ��ˮ
          ��      ↑
                      —————��N��B(y��ng)�� ← ��N��→ ��


4 ԇ�(y��n)�Y(ji��)��

        4��1�ữԇ�(y��n)

        ��PSB̎�홎��Uˮ,��Ҫ��̎��ǰ��Uˮ�M(j��n)��ữ�A(y��)̎��|(zh��)�ֽ��С��|(zh��),��ΔU(ku��),��ͼ�֬��Ͱ��ȣ��PSB��ֳ�ṩ��m�ĠI�B(y��ng)��|(zh��),��ʹ��ܸ��Ч��ȥ��COD,��BOD,��

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        ��2                                                       30±2��

HRT 8h 16h 24h 32h

TVA�� 480mg�ML 1040mg�ML 1390mg�ML 1620mg�ML

TVA�� 610mg�ML 1150mg�ML 1490mg�ML 1580mg�ML

4.2 ��ͬͣ��r(sh��)�gPSBԇ�(y��n)

        PSBͬ��ߝ��ЙC(j��)�Uˮ��Ҫ��ķ��(y��ng)�r(sh��)�g,��_��PSB̎��ϵ�y(t��ng)��CODcr��ȥ��Ч��O(sh��)Ӌ(j��)�˲�ͬͣ��r(sh��)�g��ԇ�(y��n),��Y(ji��)��3,��ԓ��Կ��ڲ�ͬ��ͣ��r(sh��)�g��(n��i)��PSB��ЙC(j��)��ֽ��ͬ,��72h��(n��i),��CODcrȥ��Sͣ��r(sh��)�g��Ѹ��ӣ��_(d��)85.2��,��M(j��n)һ��Lͣ��r(sh��)�g,��CODcrȥ��ӵ�ʮ�־��L��96h,��H��89.1��,��ڴ˹�ˇ�l��£�ͣ��r(sh��)�g��72h��,��

        ��3                                                               28±2��

HRT 24h 48h 72h 96h 120h

CODcrȥ�� 31.8�� 52.2�� 85.2�� 89.1�� 90.6��

4.3 ��ͅ��PSBԇ�(y��n)

        ��Ͼ��Ծ�,��ں��ڰ��՗l��·քe�Ժ��B(y��ng)�͹��ܮ��B(y��ng)�ɷN��ͬ��x��ʽ���ڏUˮ̎��wϵ��,��ķN��ʽ��Ч,��㣬��횏Ĺ�Ͼ��L��(d��ng)��W(xu��)�ĽǶȺ��P(gu��n)��(sh��)�(y��n)��(sh��)��_��,��ı�4��֪,��B(y��ng)72h��ڰ��l��PSB��L�ٶ��h(yu��n)�h(yu��n)��څ��՗l��µ��L�ٶ�,��(sh��)�õ�PSB�۲��O(sh��)�˹��,��S��һ��߶ȣ��ټ��Ͼ��w��ڹ�Ч��(y��ng)��Ӱ�,��Uˮ��(n��i)��(sh��)�H̎�ںڰ��B(t��i),��Կ��]PSB�ں��ڰ��l��M(j��n)�з��(y��ng)��Ќ�(sh��)�H��x��

        ��4                                                       HRT=72h 30±2��

ԇ�(y��n)�l�� ڰ� ��

��w��(mg�M100ml) 104 64

4.4 �ữһPSB��(d��ng)�B(t��i)ԇ�(y��n)

        ��ڙ��Uˮ�й��w�ﺬ��^�٣��ֱ��M(j��n)��ữ��,��ữ��Uˮ�е�С��ӻ��ǹ�Ͼ��O�õ�̼Դ,��ЙC(j��)��Ⱦ��ȥ��^�ߡ�ԇ�(y��n)�Y(ji��)��5��,��Uˮ��(j��ng)�^ԓϵ�y(t��ng)��̎��,��COD��?c��)��?4��BOD��?c��)��?5��,��

        ��5                                HRT=4d 30±2�� ݷeؓ(f��)��1.5-2.0g BOD�ML•d

CODcr��mg�ML�� BOD��mg�ML�� TVA PH

�M(j��n)ˮ 24060 19600 280 6.0

�ữ�γ�ˮ 20600 18300 1490 5.7

PSB��ˮ 1480 955 290 6.8

5 �Y(ji��)�Z

        5.1 PSB��̎�홎��Uˮؓ(f��)��^��,��Ч��^�ã��Uˮ�ɲ��(j��ng)ϡ�ֱ��M(j��n)��PSB̎��,��

        5.2 PSB��I�B(y��ng)�S��,��׺Ͷ�N�S��أ��鵰��_�l(f��)��,��

        5.3 PSB��ʹ�õľ��N��Ծ��L�ٶ��^��,��Uˮ��ϵ�y(t��ng)��ͣ��r(sh��)�g�^�L,��һ��3-4�죬��α��PSB��(y��ng)�ۃ�(n��i)PSB�ă�(y��u)��δ�ܵ��Խ�Q,��ԇ�(y��n)��PSB��ͻ��B(y��ng),��

        5.4 ̎��ˮ��߀�ܸߣ��Ҫ��Ӻ��﷨��_(d��)��(bi��o)�ŷ�,��

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