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1 ��(sh��)�(y��n)��

1.1 �x��cԇ��
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        ÷��ȫ�Ԅ�(d��ng)��x��,��Ч�ۺ��X��,��ȣ��ƣ��ȡ�

1.2 ��(sh��)�(y��n)��E

        1.2.1 ��(sh��)�(y��n)
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        ��÷��ȫ�Ԅ�(d��ng)��x,��M(j��n)��(sh��)�(y��n),��Ŀ��Ҫ��ȥ��Uˮ�ĝ��,��ͬ�r(sh��)Ҳ��ȥ��һ��COD_Cr��ɫ�ȣ��@��(sh��)�(y��n)��,��Ӱ��Ҫ��,��ҺpHֵ��(sh��)�(y��n)��ˎ��,��

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

        1.2.3 ��(sh��)�(y��n)
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        ��÷�ú�Ҟ��,��o�B(t��i)�l��M(j��n)��(sh��)�(y��n)��M(j��n)һ��ȥ��Uˮ��COD_Cr��ɫ��,��@��(sh��)�(y��n)��Ӱ��Ҫ�Ƿ�ú�ҵ��r(sh��)�g,��
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2 �Y(ji��)��cӑՓ

2.1 �Uˮˮ�|(zh��)
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         �F(xi��n)��(ch��ng)��ڲɘӷ��,�Uˮˮ�|(zh��)��1 ��ʾ��

        ��1 �Uˮˮ�|(zh��)

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

2.2 ��(sh��)�(y��n)��їl��x��
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        ��ͬһ�M(j��n)ˮ�l��,��ͬĤ��ϺͽM��Y(ji��)��(g��u)��ʽ��Ĥ��(du��)ͬһ�ЙC(j��)��ȥ��ʵĲ�ͬ��Ĥ�׏��Ĳ�e,��Ĥ�׏�ԽС��ԽС,��ȥ��ЙC(j��)��Խ��(qi��ng),��@���ָȥ��ʞ�90%~95%��|(zh��)��,��ROĤ�Ŀ׏��1nm��NFĤ�ģ�1~2nm��С,��ˌ�(du��)�ЙC(j��)��|(zh��)��ȥ��ʱ�NFĤ�Ĵ�һ��(l��i)�f(shu��),��ROĤ�Ľ��100Da��,��NFĤ�Ľ��200Da��ϡ�

        2.2.1 ��
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        ԓ�Uˮ��pH��10.5,��m��(sh��)�(y��n)��pH�l��,��ԭ�Uˮ��{(di��o)pH,ֱ��M(j��n)��(sh��)�(y��n),��ȡ6��(g��)��,��քe��1000mL�Ļ��Uˮˮ��,��׃��,��ѵ��(sh��)�(y��n)��M(j��n)�Ќ�(sh��)�(y��n),��(sh��)�(y��n)�Y(ji��)��o��һ��r(sh��)�g��ȡ��Һ�y(c��)��(sh��)�(y��n)�Y(ji��)��,��Ӌ(j��)��ȥ��,��Ҋ(ji��n)��2��ʾ��

        ��2 ��

��/g	0.3	0.5	0.8	1.0	1.2
COD_Crȥ��/%	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��@,��ˣ��ڴˌ�(sh��)�(y��n)��0.8 g/L�Uˮ�^��m��,��

        2.2.2 ��(sh��)�(y��n)��
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        ��(sh��)�(y��n)��õ��÷��ȫ�Ԅ�(d��ng)��x��ԓ�O(sh��)��Æ�Ƭ�C(j��)�Ԅ�(d��ng)��,��O(sh��)��,��Ԅ�(d��ng)�\(y��n)��,��(sh��)�(y��n)��õČ�(sh��)�(y��n)��3��ʾ��(sh��)�(y��n)��,��ÿ��Ĕ��ٶȺ͕r(sh��)�g��(du��)�Y(ji��)��Ӱ푺ܴ�,��һ��_(k��i)ʼ��ˎҲ��(du��)��(sh��)�(y��n)�Y(ji��)��Ӱ푣��,��(sh��)�(y��n)��(y��ng)��(f��)��,��3 ֻ�ǽo��˱��(sh��)�(y��n)��õ��ѳ��^(gu��)��@��,��

2.3 ClO₂��(sh��)�(y��n)�l��x��

        2.3.1 ClO₂��x��
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        ȡ6��(g��)��,��քe��1000mL2.2��ь�(sh��)�(y��n)̎��ˮ��벻ͬ��ClO2��ˮ��Һ,��(y��ng)1h��,��y(c��)��ˮ�ӵĸ��(xi��ng)ָ��(bi��o)��2.2��ь�(sh��)�(y��n)̎��ˮ��ˮ�|(zh��)��^,��Y(ji��)��Ҋ(ji��n)��4.ClO₂��(du��)ĳЩ�ЙC(j��)��޵�,��ԣ��ʹ��,��ܱ��Ҳ��܉��Ч��,��ı�4��Կ��ClO₂��(y��ng)ԓ�x��150mg/L,��
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        2.3.2 ClO₂��r(sh��)�g��x��
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        ȡ6��(g��)��,��քe��1000mL2.2��(sh��)�(y��n)̎��ˮ��30mg/LClO₂��Һ,��ڲ�ͬ�ķ��(y��ng)�r(sh��)�g�y(c��)��(xi��ng)ָ��(bi��o),��2.2��ь�(sh��)�(y��n)̎��ˮ��ˮ�|(zh��)��

        ��3 ��(sh��)�(y��n)��

��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(sh��)�g��x��

��r(sh��)�g/min	20	40	60	80
COD_Crȥ��/%	36	47	55	56.2
ɫ��ȥ��/%	40	58	54	55.2

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

2.4 ��(sh��)�(y��n)�Y(ji��)��
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        ��(sh��)�(y��n)��Ҫ��o�B(t��i)��(sh��)�(y��n)��ȡ100mL2.3��ь�(sh��)�(y��n)̎��ˮ��ڵ��ƿ��,��ú��,��ͬһ��(g��)�u��u,��첻ͬ��u�r(sh��)�g��(du��)��(sh��)�(y��n)�Y(ji��)��Ӱ푣��Y(ji��)��,��(du��)��100mLˮ��,��100 mg��u20min,��Լ��o��,��y(c��)��̎��ˮ�ӵĸ��(xi��ng)ָ��(bi��o)ƽ��:COD_Cr60mg/L��ɫ�ȣ�20��,��SS 40 mg/L,��_(d��)��ˇ�(gu��)��Ⱦ��I(y��)�Uˮ�ŷ�1��(j��)��(bi��o)��(zh��n)��

2.5 ̎��ɱ�

        �C��Ϸ��,��̎��1��@�ӵ�ӡȾ�Uˮ��Ķ��~�飺

ԭ��Q	ԭ�ϳɱ�/��Ԫ·��-1��	��	�M(f��i)��/Ԫ
��	1000	0.8kg	0.8
��	13000	150g	1.95
ˮ,��늵�			0.3
��Ӌ(j��)			3.05

3 �Y(ji��)Փ
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