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늴߻��̎��y��ЙC�Uˮ��о��ǽ��˂��ձ��ҕ��n�},��ڇ��,��ԓ��g��^��о��ā��,��̎��̽��A��,��

��(j��)��,��S늘O늽��wϵ��,��ͨ�^늽�a(ch��n)��O2��ܽ�O2��ꎘO�Ͽ��ܰl(f��)��µ�߀ԭ��a(ch��n)��g�wH2O2 ,��

��wϵ��O2+2H++2e→H2O2 (1)

�A��wϵ��O2+H2O +2e→HO2- +OH- (2)

HO2- + H2O→ H2O2+OH- (3)

��Fentonԇ��Fe2+��H2O2�ĽY(ji��)�Ϯa(ch��n)�H2O2��Fe2+�߻��®a(ch��n)��·OH,��·OH�ИO��,��ʹ�ЙC��CO2��H2O��CODcrȥ��ʸ�,��߀ԭ��ˮ,��a(ch��n)��ж��к��|(zh��)��ڂ��y(t��ng)��Fentonԇ��wϵ��,��ͨ��F��ꖘO,��늽��^��Юa(ch��n)��Fe2+��Fe3+,��ˮ��ɫ��,��ԇ��r��ʯī��F��ꖘO,��Fe2+�ķ��,��ͨ�^�{(di��o)��Fe2+��ʹFe2+�Ĵ߻��(y��u)��

��Һ�в�� Fe2+�r,��ЙC��Ҫ��H2O2��,��Һ�д��Fe2+�r��l(f��)��·��[6]

Fe2+ + H2O2��Fe3+ + OH- +·OH (5)

Fe3+ + H2O2��Fe2+ + HO2·+ H+ (6)

Fe3+ +e ��Fe2+ (7)

��5��ɵ�·OH ��O��Ҫ��ЙC��,��5��ĵ�Fe2+�ɷ��6��,��7��a�䣬F(xi��n)e2+ ��ѭ�h(hu��n)ʹ��,��Fe2+ ��^��ʹ�ЙC��ȥ��½�,��@��鮔��^��Fe2+��ڣ�F(xi��n)e2+ ��һ��·OH��

Fe2++·OH+H+��Fe3+ +H2O (8)

��û��̿��ĳЩҺ�w�߻��Fe2+��ͺϴ߻��S늘O��g��CODcr�ęC��ܞ��̿��,��ꖘO��,��·OH��ɻ��F(xi��n)enton��,��

��Ľ�B��S�̶��늘O��g��Uˮ�M��̎��Č��о�,��Ӱ�CODcrȥ��Ч��M�г��̽��

1 ԇ򞲿��

1.1 ԇ�Uˮ�ā�Դ��ˮ�|(zh��)

�Uˮȡ�Դ󻯼��F��ʏS��܇�g��̎��ˮ,��Uˮˮ�|(zh��)��Ph��6~9,��CODcr��180~200mg/l��

1.2 �yԇָ��

CODcr:��t��⛷�

1.3 ԇ��O�估��

늽��b��늽��,��׃��,��늉��ֱ��ȽM��,��늽��ʯī��ꖘO��ꎘO,��Ӟ�10~20Ŀ��ˮ̎��λ��̿��ͬ��ʯӢɰ��ԓ��Ч�ݷe��0.2L,ÿ�Ό��ǰ��ô�̎��ˮ��̿�M���,��ͺ��뽹��Uˮ,��ͬ�r��һ��Һ�w�߻��͚��c��{(di��o)��(ji��)pHֵ,��Ȼ��ͨ�,��{(di��o)��(ji��)늉��ֵ�M��gЪ��򞡣

2 ԇ�Y(ji��)��ӑՓ

�քe��˲�늉�,��r�g,��Һ�w�߻��phֵ��CODcrȥ��ʵ�Ӱ푡�

2.1 ��늉��cCODcrȥ��ʵ��Pϵ

��l��r�g��60min,��Һ�w�߻��1000mg/l,��ph��3��

��늉��cCODcr ȥ��Pϵ�Ć��ԇ��S��늉��,��CODcrȥ��u�� ,��

2.2 ��r�g�cCODcrȥ��ʵ��Pϵ

��l��늉��12V,��Һ�w�߻��1000mg/l��ph��3,��

��r�g�cCODcr ȥ��Pϵ�Ć��ԇ��S��r�g��,��CODcrȥ��u��څ��ƽ��

2.3 Һ�w�߻��cCODcrȥ��ʵ��Pϵ

��l��늉��12V,��r�g��60min,��ph��3��

Һ�w�߻��cCODcr ȥ��Pϵ�Ć��ԇ��S��Һ�w�߻��,��CODcrȥ��u�� ,��

2.4 pH�cCODcrȥ��ʵ��Pϵ

��l��늉��12V��r�g��60min,��Һ�w�߻��1000mg/l,��

pHֵ�cCODcr ȥ��Pϵ�Ć��ԇ��S��pHֵ��ӣ�CODcrȥ��u��,��

2.5 ӑՓ

1) �ڌ��l��,��늴߻��gԭ��֪��S��늉��Fe2+��,��늘O�cͨ�^�o늸Б��a(ch��n)��Ⱥ늘O��a(ch��n)��H2O2��Ҳ�S֮��,��Fe2+��ڗl��£��Fentonԇ��,��COD��ȥ��Ҳ�S֮��,��

2��ڷ��ʼ��һ�Εr�g��(n��i)��wϵ��(n��i)��Ⱦ��ĝ��^��,��O��Ӱ푲��@��,��S��M�У��Ⱦ��u��,��O��F(xi��n)��Խ��Խ�@��,��λ�r�g��(n��i)�Uɢ��늘O��Ⱦ��p�٣��S��M��,��Һ�w�߻��Fe2+�ĺ��Ҳ��u�u��,��Ҳ��Ӱ��cH2O2��Fentonԇ��M�У��׃��Խ��Խƽ��,��

3��S늘O늽��wϵ�У��Ժ͉A�ԗl��,��ܮa(ch��n)��g�wH2O2,��ډA�ԗl��£�F(xi��n)e2+�ܿ��w,��Ӱ��Mһ��cH2O2��Fentonԇ��ķ��,��ڌ��ph��(n��i),��S��ph��CODcrȥ��ʳʬF(xi��n)��u��͵�څ��,��

3 �Y(ji��)Փ

3.1 ͨ�^��ԇ�_��m�˵Ĳ�늉�,��Һ�w�߻��,��pH�ͷ��r�g,��

3.2 �ͺϴ߻�늽ⷨ�ЙC�ĽY(ji��)��߻�,��߀ԭ�ȶ�N�^��,��Ч�Ľ��˽��Uˮ��CODcr��Ҿ��O�了��,��Ч,��ռ��eС��εȃ�(y��u)�c,��ͨ�^�c��﷽��A-A-O��(li��n)��,��𵽷�(w��n)��ˮ�|(zh��)��K�_��ˮ��Ŀ��,��

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