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��--ClO2��---��һ��HӡȾ�Uˮ�M(j��n)��̎��,��Y(ji��)��CODCr��800mg/L,��ɫ�Ȟ�400��ӡȾ�Uˮ,��(j��ng)�˹�ˇ̎��CODCr��͵��60mg/L,��ɫ�Ȟ�20��,��_(d��)��˼��Ⱦ��I(y��)�Uˮ��һ��ŷŘ�(bi��o)��(zh��n)��ͬ�r��\�гɱ��M(j��n)��˷��,��

��ĳ��޹�˾��a(ch��n)��ɫ�z,��d�m��Uˮ��Ҫ��Ⱦɫ,��Ư�׃ɂ��,��߀��S�O(sh��)�䡢��_ϴˮ��ܛˮվ�ŷŵ��ˮ,��Uˮ�е��Ⱦ��ڿ��֬,��Ⱦ�ϡ��Լ��A��ˎ��,��I(y��)��ŏUˮˮ�|(zh��),��ˮ��^��ɫ��̎��Ҫ��(y��n)��,�,��Բ��-�ﻯ�Ĺ�ˇ��̎��鱱��,��ضȵ�,��Ч��ã��,��-�ﻯ��,��ȣ�̎��ˇ�Ļ��A(ch��)�ϣ��ڌ��--ClO2��---��ˏUˮ�M(j��n)��̎��,��Ч��,��

1 ��򞲿��

1.1 �x��cԇ��

÷��ȫ�Ԅ��x��Ч�ۺ��X��,��ȣ��ƣ��,��

1.2 ��򞲽�E

1.2.1 ��

��÷��ȫ�Ԅ��x��M(j��n)��,��Ŀ��Ҫ��ȥ��Uˮ�ĝ��,��ͬ�rҲ��ȥ��һ��CODCr��ɫ�ȣ��@��,��Ӱ��Ҫ��,��ҺpHֵ,��ˎ��ȡ�

1.2.2 ClO2��

��û��W(xu��)��Ƃ�500mg/L��ClO2��Һ500mL,��M(j��n)��,��ԓ��Ҫ�ǌ�Ⱦ�Ϸ��е�һЩ��ЙC(j��)��С��ЙC(j��)��o�C(j��)�ȥ��Uˮ��һ��CODCr��ɫ��,��ͬ�r��ú󲽵��̎��,��@��Ӱ��Ҫ��ClO2��r�g��

1.2.3 ��

��÷�ú�Ҟ��,��o�B(t��i)�l��M(j��n)��򞣬�M(j��n)һ��ȥ��Uˮ��CODCr��ɫ��,��@��Ӱ��Ҫ�Ƿ�ú�ҵ��r�g,��

2 �Y(ji��)��cӑՓ

2.1 �Uˮˮ�|(zh��)

�F(xi��n)��ڲɘӷ��Uˮˮ�|(zh��)��1 ��ʾ,��

��1 �Uˮˮ�|(zh��)

ָ��(bi��o) CODCr/(mg·L-1) pH SS/(mg·L-1) ɫ��(��)
�Uˮˮ�|(zh��) 800 10.5 450 500

2.2 ��їl��x��

��ͬһ�M(j��n)ˮ�l��,��ͬĤ��ϺͽM��Y(ji��)��(g��u)��ʽ��Ĥ��ͬһ�ЙC(j��)��ȥ��ʵĲ�ͬ��Ĥ�׏��Ĳ�e��Ĥ�׏�ԽС,��ԽС,��ȥ��ЙC(j��)��Խ��(qi��ng)��@��,��ָȥ��ʞ�90%~95%��|(zh��)��[2],��ROĤ�Ŀ׏��1nm��NFĤ�ģ�1~2nm��С��ˌ��ЙC(j��)��|(zh��)��ȥ��ʱ�NFĤ�Ĵ�,��һ��f,��ROĤ�Ľ��100Da��ң�NFĤ�Ľ��200Da��,��

2.2.1 ��

ԓ�Uˮ��pH��10.5,��m��pH�l��ԭ�Uˮ��{(di��o)pH,��ֱ��M(j��n)��,��ȡ6��քe��1000mL�Ļ��Uˮˮ��,��׃��,��ѵ��M(j��n)�Ќ�򞣬��Y(ji��)��,��o��һ��r�g��ȡ��Һ�y��Y(ji��)��,��Ӌ��ȥ��ʣ�Ҋ��2��ʾ,��

��2 ��

��/g 0.3 0.5 0.8 1.0 1.2
CODCrȥ��/% 20 20 50 55.3 55.8
56.0ɫ��ȥ��/% 18 37 40 40 40

��ϱ��Կ��,��S��,��ߵ�ȥ��u��󣬵��ӵ�0.8g��,�� ,��ߵ�ȥ��ӵĲ��@��,��ڴˌ��0.8 g/L�Uˮ�^��m��,��

2.2.2 ��

��õ��÷��ȫ�Ԅ��x��ԓ�O(sh��)��Æ�Ƭ�C(j��)�Ԅӿ��,��O(sh��)��,��Ԅ��\�У��õČ��3��ʾ,��,��ÿ��Ĕ��ٶȺ͕r�g��Y(ji��)��Ӱ푺ܴ��һ��_ʼ��ˎҲ��Y(ji��)��Ӱ�,��,��(y��ng)��(f��)��3 ֻ�ǽo��˱��õ��ѳ��,��^��@��,��

2.3 ClO2��l��x��

2.3.1 ClO2��x��

ȡ6�� քe��1000mL2.2��ь��̎��ˮ,��벻ͬ��ClO2��ˮ��Һ,��(y��ng)1h�󣬜y��ˮ�ӵĸ��ָ��(bi��o),��2.2��ь��̎��ˮ��ˮ�|(zh��)��^,��Y(ji��)��Ҋ��4.ClO2��ĳЩ�ЙC(j��)��޵ģ��,��ʹ��,��ܱ��Ҳ��܉��Ч��ı�4��Կ��,�� ClO2��(y��ng)ԓ�x��150mg/L,��

2.3.2 ClO2��r�g��x��

ȡ6�� քe��1000mL2.2��̎��ˮ,��30��mg/L��ClO2��Һ,��ڲ�ͬ�ķ��(y��ng)�r�g�y��ָ��(bi��o)��2.2��ь��̎��ˮ��ˮ�|(zh��),��

��3 ��

��E t/min t/s ��ٶ�/��r·min-1�� ˎ1 ��ˎ2
1 1 0 750 1
2 1 0 700 1
3 0 30 250 0
4 10 0 0 0

��4 ClO2��x��

ClO2��(mg/L) 30 50 150 200 250 300
ClO2��(mg/L) 15 35 55 56.5 57.1 58.2
ɫ��ȥ��/% 18 36 54 54.6 54.9 55.2

��5 ClO2��r�g��x��

��r�g/min 20 40 60 80
CODCrȥ��/% 36 47 55 56.2
ɫ��ȥ��/% 40 58 54 55.2

��^,��Y(ji��)��Ҋ��5��ʾ��ı�5��Կ��,��ClO2��r�g��(y��ng)��1.0h,��܉�ClO2��|(zh��)��1.0h֮��(n��i)�ͱ��,��ӕr�gҲ�ǟo�^�ġ�

2.4 ��Y(ji��)��

��Ҫ��o�B(t��i)��,��ȡ100mL2.3��ь��̎��ˮ��ڵ��ƿ��,��ú�ң��ͬһ��u��u,��첻ͬ��u�r�g��Y(ji��)��Ӱ�,��Y(ji��)��100mLˮ��,��100 mg��,��u20min��Լ��o��,��y��̎��ˮ�ӵĸ��ָ��(bi��o)ƽ��:CODCr 60mg/L,��ɫ�ȣ�20��SS 40 mg/L,��_(d��)��ˇ��Ⱦ��I(y��)�Uˮ�ŷ�1��(bi��o)��(zh��n)��

2.5 ̎��ɱ�

�C��Ϸ��,��̎��1��@�ӵ�ӡȾ�Uˮ��Ķ��~�飺

ԭ��Q ԭ�ϳɱ�/��Ԫ·��-1�� M��/Ԫ
�� 1000 0.8kg ��0.8
��ȡ� 13000 150g�� 1.95
ˮ,��늵� 0.3
��Ӌ 3.05

3 �Y(ji��)Փ

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