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1.1ԇ�ˮ�|

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1.2ԇ��cԇ��

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��ȡ��̩�_��ˮ̎��S��,��ô�̎��Uˮ�Z��30d��ʹ�á�

ԇ��|��֔�(sh��)��30%��H2O2,��FeSO4·7H2O,��NaOH��,��,��

1.3ԇ򞷽��

1.3.1Fenton��ԇ�

�ڣ�20±1��l��£��1L��зքe��1000mLˮ��,��ϡ��ጢˮ��pH�{��A��ֵ,��Ȼ�󌢟��ڴ��M�Д��裬��м��A��ƺõ��၆�F��Һ,��30%��H2O2��Һ,��_ʼFenton��2h��,��NaOH��ˮ��pH��{��8��,��ˮԡ��ˮԡ40min��ʹ��H2O2��2��,��ͬ�rҲ��ʹ��F��,��Ȼ��x�ęC��4000r/min��ٶ��x��3min��ȡ��Һ�y��COD,��

1.3.2SBR��̎��

ȡ��һ��Ļ��෴��x��ϴ��3��4��,��ȥ��е�COD��һ��ϴ��õ��Ͷ�ӵ�ʢ��Fenton��ˮ��SBR��M��,��{��|��Ȟ�4000��5000mg/L,��ܽ��4��6mg/L��ÿ��1hȡ��1��,��x�ęC��4000r/min��ٶ��x��3min,��ȡ��Һ�y��COD��

1.4��

COD,��BOD5,��ɫ�ȷքe��t��⛷��ϡጽӷN��,��ϡጱ��(sh��)��y��

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2.1��ԇ�Y��

2.1.1H2O2Ͷ�ӝ�Ȍ�CODȥ��Ч��Ӱ�

�{��(ji��)ˮ��pH=3,��̶�FeSO4·7H2OͶ�ӝ�Ȟ�0.5mmol/L,��H2O2Ͷ�ӝ�Ȍ�CODȥ��Ч��Ӱ푣��Y��Ҋ�D1,��

�D1H2O2Ͷ�ӝ�Ȍ�CODȥ��Ч��Ӱ�

�ɈD1��Կ��,��CODȥ��SH2O2Ͷ�ӝ�ȵ��Ӷ��,��20mmol/L�_��ߣ�֮��CODȥ��_ʼ�½�,��@��ڷ��_ʼ�r,��S��H2O2Ͷ�ӝ�ȵ��ӣ��ɵ�·OHҲ�S֮��,��CODȥ��Ҳ��,��^�m(x��)��H2O2Ͷ�ӝ�ȕr��^��H2O2��c·OH�l(f��)��,��·OH�ĺ��p��,��Ľ��ȥ��Ч��ĽǶȁ��H2O2Ͷ�ӝ��x��20mmol/L,��

2.1.2FeSO4·7H2OͶ�ӝ�Ȍ�CODȥ��Ч��Ӱ�

�{��(ji��)ˮ��pH=3,��̶�H2O2��Ͷ�ӝ�Ȟ�20mmol/L��FeSO4·7H2OͶ�ӝ�Ȍ�CODȥ��Ч��Ӱ�,��Y��Ҋ�D2,��

�D2FeSO4·7H2OͶ�ӝ�Ȍ�CODȥ��Ч��Ӱ�

�ɈD2��Կ��ʼ�r�S��FeSO4·7H2OͶ�ӝ�ȵ��,��COD��ȥ��,��Ͷ�ӝ�Ȟ�0.6mmol/L�r��CODȥ��څ�ڷ�(w��n)��,��_��65%,��@��·OH�ĺ��S��Fe2+��ȵ��Ӷ��ӣ��COD��ȥ��,��Fe2+��^�ߕr,��^��Fe2+��c·OH�l(f��)��·OH��͜p��ƽ��r,��ȥ��ʾ�څ�ڷ�(w��n)��,��⣬F(xi��n)eSO4·7H2O��^��Ӻ��F��Įa��̎��M��,��FeSO4·7H2O��ѝ�ȿɴ_��0.6mmol/L,��

2.1.3��ʼpH��CODȥ��Ч��Ӱ�

�̶�H2O2��Ͷ�ӝ�Ȟ�20mmol/L��F(xi��n)eSO4·7H2OͶ�ӝ�Ȟ�0.6mmol/L,��ˮ�ӳ�ʼpH��CODȥ��Ч��Ӱ�,��Y��Ҋ�D3��

pH��Ӱ�Fentonԇ��̎��y��ЙC�Uˮ��Ҫ��,��һ��J��ֻ��һ��ԗl��,��F(xi��n)entonԇ��ܰl(f��)�]��á�3��pH�^�ߺ��^�Ͷ��ڌ�COD��ȥ��,��ԇ��pH=4,��

2.1.4��r�g��CODȥ��Ч��Ӱ�

�{��(ji��)ˮ��pH=4,��̶�FeSO4·7H2OͶ�ӝ�Ȟ�0.5mmol/L��H2O2��Ͷ�ӝ�Ȟ�20mmol/L,��M��Fenton��,��քe�ڷ��10��20,��40,��60��80,��100min�rȡ�Ӝy��COD,��BOD5��Y��ǰ10min��COD��ȥ��^��,��ȥ��55%��,��S��CODȥ��ʜp��60min�ĕr��څ�ڷ�(w��n)��,��ȥ��ʼs65.4%,��B/C��80min�r��څ�ڷ�(w��n)��O��Fenton��r�g��80min,��˕rB/C��0.51,��Uˮ��Դ��ߣ��m(x��)SBR̎�턓(chu��ng)��˗l��,��

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2.2��ԇ�

Fentonԇ��̎��UˮЧ��Ҫȡ�Q��·OH��Ķ��,��Ӱ��Ҫ��ˮ��pH��FeSO4·7H2OͶ��,��H2O2Ͷ��,��ԇ򞿼��ˮ��pH��FeSO4·7H2OͶ�ӝ��,��n��H2O2��n��FeSO4·7H2O��CODȥ��ʵ�Ӱ�,��Y��Ҋ��1��

��1��ԇ��Y��

�ɱ�1��Կ��,��n��H2O2��n��FeSO4·7H2O��CODȥ��ʵ�Ӱ��,��FeSO4·7H2OͶ�ӝ�Ⱥ�pH��ѽM�ϗl��A2B2C2,��ˮ��pH=4,��FeSO4·7H2OͶ�ӝ�Ȟ�0.6mmol/L��n��H2O2��n��FeSO4·7H2O��=30��1,��@�c��ԇ�_��ĸ��ص��ֵ��Ǻ�,��

2.3SBR��ˇ

�{��(ji��)ˮ��pH=4��̶�FeSO4·7H2OͶ�ӝ�Ȟ�0.6mmol/L,��n��H2O2��n��FeSO4·7H2O��=30��1,��M��Fenton��80min��ȡ��ˮ�M��SBR̎��,��Y��,��̎��Ч��^�ã��,��SBR��3h��,��COD�ͽ��50mg/L��£��ˮ�峺͸��,��ɫ�Ƚ��2��,��̎��Ч��(w��n)��_��(zh��n)��ˮ̎��S��Ⱦ��ŷŘ˜ʡ��GB18918—2002��һ��A�˜�,��

2.4�\�гɱ��

Fenton̎��ĳɱ��Q��ˇ�Ƿ񽛝��,��ԇ��Fenton�߼��̎��Ԫ��\�гɱ��飺̎��1m3ԓ��ˎ�Uˮ��ˮ��Ҫ��ᣨ�΃r0.5Ԫ/kg��0.12kg,��Ƭ�A��΃r0.6Ԫ/kg��0.34kg,��30%H2O��΃r1.5Ԫ/kg��22.27kg��wFeSO4·7H2O��΃r0.5Ԫ/kg��0.17kg,��ɴ�Ӌ��ˎ��M�Þ�3.74Ԫ,��߀��̎��M�s0.06Ԫ��Fenton��ˇ̎��ɱ��3.8Ԫ/m3,��Ԟ��I(y��)��,��߼��g��F(xi��n)enton��ˇ��O��Ͷ�YС,��\�й��c,��

3�YՓ

��Fenton��̎��^��ˎ�Uˮ��ˮ��їl��飺FeSO4·7H2OͶ�ӝ�Ȟ�0.6mmol/L��0.167g/L��H2O2Ͷ�ӝ�Ȟ�20mmol/L,��ʼpH=4,��ڴ˗l��·��80min��CODȥ��_65%,��COD��90mg/L��,��B/C��0��ߵ�0.51��Եõ��^��,��F(xi��n)enton��Ԫ̎��Uˮ�ɱ��3.8Ԫ/m3,��ٽ��m(x��)SBR��ˇ̎��3h�󣬳�ˮCOD��50mg/L��,��ɫ�Ƚ��2��,��̎��Ч��(w��n)��ˮ��_��(zh��n)��ˮ̎��S��Ⱦ��ŷŘ˜ʡ��GB18918—2002��һ��A�˜ʡ��@�f��,��Fenton/SBR�M�Ϲ�ˇ̎��^��ˎ�Uˮ��ˮ�ڼ��g�Ϻͽ��϶��,��

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