Fenton ԇ��c��g(li��n)��ڏUˮ̎��еđ��

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[ժ��Ҫ] Fenton ԇ��H2O2 ��Fe2 + ��ϵõ��һ�N��,��ʮ��ڏUˮ̎��еđ��õ�Խ��Խ��Pע,��ǆΪ�ʹ��Fenton ԇ��̎��Uˮ�ɱ��ܸ�,��ЙC��ĵV��̶Ȳ��,��Ч�ķ��ǌ�Fenton ԇ��c��g(li��n)��̎��Uˮ,��ϵ�y(t��ng)�ؽ�B��- Fenton ��,��- Fenton ��- - Fenton ��- Fenton ��,��΢��- Fenton ��,��- Fenton ��ڏUˮ̎��е��о��͑��ìF(xi��n)��,��չ��˽��c�о��

[�P�I�~] (li��n)�ϼ��g��Fenton ԇ��Uˮ̎��

Fenton ԇ��һ�N��,��H2O2 ��Fe2 + �Ļ��,��1894 ��H. J . H. Fenton �l(f��)�F(xi��n)��,��, Fenton ԇ��Ҫ�\��ø��,��·OH ��ɻ��Ӱ푵��о��ʮ��,�˂��\��ڏUˮ̎��,��о��,Fenton ԇ��׺��е��ЙC��,��y(t��ng)ˮ̎��g�o��ȥ��y��ЙC�ﶼ�ܱ�Fenton ԇ��ȥ��,��V韵đ��ǰ��,�ȿ��Uˮ��A̎��,�ֿ��K��̎��,�_��ˮˮ�|Ҫ��,��

һ��Fenton ԇ��̎��ЙC�Uˮ�ęC��

Fenton ԇ��֮��Ծ��к܏��,��к��H2O2 ��Fe2 + ,H2O2 ��Fe2 + �߻��ֽ��u��ɻ�(· OH) ,��l(f��)��ɻ�,�䷴��C��[ 1 ] :

��wϵ�ķ��ʮ�֏��s,��P�I��ͨ�^Fe2 + �ڷ��𼤰l(f��)�͂��f��,ʹ朷��ܳ��m(x��)�M��ֱ��H2O2 �ıM,��朷��a��u��ɻ��Ҫ��|[ 2 ] :

(1) �u��ɻ�(·OH) ��һ�N�܏��,��늘O�λ��2. 80V ,�H��F2 ;

(2) ��^�ߵ��ؓ�Ի��H��(569. 3kJ ) ,��M��ܶ��c,ͬ�r·OH ��M��һ��x��,��

(3) ·OH ��мӳ��á�Fenton ԇ��̎��ЙC��Č��|��u��ɻ��c�ЙC��l(f��)��,��

��,��Fenton ԇ��c��g(li��n)��ڏUˮ̎��еđ��

�mȻFenton ԇ��̎��y��ｵ��һ�㻯�W��y��Ч��ЙC�Uˮ�r��o��ȔM�ă�(y��u)�c,��ǆΪ�ʹ��Fenton ԇ��̎��Uˮ�ɱ��ܸ�,��ЙC��ĵV��̶Ȳ��,��˂��о��Fenton ԇ��c��g(li��n)��̎��Uˮ�ķ��,Ŀǰ��о��ɹ��:�- Fenton �� - Fenton ��,��- Fenton ��,��- Fenton ��΢��- Fen2 ton ��,��- Fenton ��,��

(һ) �- Fenton ��- Fenton ��Č��|�ǰ��늻��W��a��Fe2 + ��H2O2 ��Fenton ԇ��ĳ��m(x��)��Դ,�� - Fenton ��ă�(y��u)�c��ԄӮa��H2O2 �ęC�Ʊ��^��;H2O2 ��ʸ�;��ЙC�ｵ��^��,��u��ɻ�· OH ��,߀��ꖘO��,��늘O��ȡ��- Fenton ��֞��[ 3 ] :

(1) EF - H2O2 ��,��ַQꎘO�- Fenton ��,��⇊��늽�ص�ꎘO��,ʹ߀ԭ��H2O2 ,H2O2 �c��Fe2 + �l(f��)��Fenton ��,��ԓ��ü�H2O2 ,�ЙC�ｵ��܏ص�,��׮a��g����Ŀǰ��õ�ꎘO��϶��ʯī,��̿��ͻ��̿�w�S,�@Щ��늘OЧ�ʵ�, H2O2 �a��,��

(2) EF - Feox ��,�ַQ��ꖘO��늽��r��cꖘO��(li��n)��F��Fe2 + ,Fe2 + �c��H2O2 �l(f��)��Fenton ��,��EF - Feox �wϵ�Ќ��ЙC�ｵ��س�·OH ��, ߀��Fe (OH) 2 ,��Fe (OH) 3 ��,��ꖘO�ܽ��Ļ�� Fe2 + ��Fe3 + ��ˮ��Ɍ��ЙC��Џ��j��õ�Fe (OH) 2 ,��Fe (OH) 3 ,��ԓ��ЙC��ĳ�ȥЧ��EF - H2O2 ��,��H2O2 ,�Һ��,�ʳɱ��ͨFenton ��ߡ�

(3) FSR ��,�ַQFe3 + ѭ�h(hu��n)��,��FSR ϵ�y(t��ng)��һ��Fen2 ton ��һ��Fe (OH) 3 ߀ԭ��Fe2 + ��늽��b��,�� Fenton ��M��^��б�Ȼ��Fe3 + ��,Fe3 + �cH2O2 ��ɻ��Բ��HO2·,�Ķ��H2O2 ��Ч��ʺ�·OH �a��,��FSR ϵ�y(t��ng)�ɼ��Fe3 + ��Fe2 + ��D��,��·OH �a�ʡ�ԓ��ȱ�c��pH ��խ,pH ��С��1 ,��

(4) EF - Fere ��,��ԓ��cFSR ��ԭ��ͬ,��֮ͬ̎��EF - Fere ϵ�y(t��ng)��Fenton ��,Fenton ��ֱ��늽��b��M�С�ԓ��pH ��FSR ��,Ҫ��pH ��С��2. 5 ;��Ч�ʸ��FSR ��,��

(��) ��- Fenton ��,��ᘌ��ͨFenton ��ȱ�c,�˂��⾀��Fenton �wϵ, �γ��UV/ Fenton ��UV/ Fenton ��H��Fe2 + / H2O2 �cUV/ H2O2 �ɷNϵ�y(t��ng)�ĽY��, ԓϵ�y(t��ng)��е��@�ă�(y��u)�c��[ 4 ] : (1) �ɽ��Fe2 + ��,��H2O2 �^�ߵ��; (2) ��́��F�x�ӌ�H2O2 �߻��ֽ��څf(xi��)ͬЧ��,��H2O2 �ķֽ��ʴ��Fe2 + ��߻�H2O2 �ֽ��ʵĺ��μӺ�; (3) ��ϵ�y(t��ng)��ʹ�ЙC��V��̶ȸ��; (4) �ЙC��⾀��¿ɲ��ֽ��,��UV/ Fenton ��к܏��,��Ч�طֽ��ЙC��,�ҵV��̶��^��,��̫��ܵ��,̎��O��M��Ҳ�^��,�ܺĴ��,UV/ Fenton ��ֻ�m��̎��е͝�ȵ��ЙC�Uˮ,��@��ЙC��ȸߕr,��Fe ( ��) �j��յĹ��Ӕ�(sh��)��,��L��ݗ��r�g,��H2O2 ��Ͷ��Ҳ��,ͬ�r·OH �ױ��ߝ��H2O2 ��,��б�Ҫ��UV/ Fenton �wϵ��⻯�W��^�ߵ��|�� - Fenton ��һ��İl(f��)չ��Ǽӏ��۹�ʽ��,�Ա��䵽�wϵ�е��⾀��,�_��\�гɱ��Ŀ��,��

(��) ��- Fenton ��,��ָ�l�ʸ��20kHz ��,��䑪��ˮ̎��I��ֻ�ǽ�10 ��,��Ҫ�Á��ٽ��ˮ��y��ж��ЙC��Ⱦ��,��һ�N�߼��߻��ˮ̎��g��Uˮ̎��Ҫ��ڳ��ջ��îa��ľֲ��ߜ�,��߉�,��ڳ��,��Һ�a��ջ��ݲ�Ѹ�ٱ��,��^�̰l(f��)��ns —μs �r�g��,�Ķ��ڿջ��݃Ȯa��ĸߜ�( ��5000K) �͸߉�(��50MPa) ��,��Ԍ�ˮ��Ⱦ��ֱ��M�П��,��,��@�ߜظ߉��h(hu��n)��®a��λ�ܸߵ��u��ɻ�,��Ԍ��S��ЙC��M��,�_��Ⱦ��ȥ��COD ��[ 5 ],��ڳ�/ H2O2 �wϵ�м��߻��,�䳬��Ч��,�� COD ȥ��ʸ��,��

(��) ��- Fenton ��˼��[ 6 ] ��— Fenton ��ӡȾ�Uˮ�M��̎��,�Y�x��ѵ��l��l��, ��Y��, �˷��ʹӡȾ�Uˮ��COD �� 1400mg/ L ��70mg/ L ��/ ,�UˮCOD �cɫ��ȥ��ʷքe��95 %��97 % ,��ˮ�_��ŷŘ˜�,�˷��ȥ��ʸ�, �O�了��,ռ��eС,��,��a��Ⱦ�ȃ�(y��u)�c,��

(��) ��- Fenton ��˷��õ��ǻ��̿,Ҳ�Ј��÷�ú��,��֬��,�,��̿��΢С�Y��ֺͷǽY��ֻ�ϽM�ɵ�̼��|,ƽ��׏��1 ×10 - 23 ×10 - 2 ,�ȱ��e��5002500m2/ g ,��̿��溬�д��Ի�A�Ի��F,�@Щ��Ի�A�Ի��F�Ĵ��,�؄e��u��u��Ĵ��ʹ��̿��H��,��Ҿ��д߻��,��

(��) ΢��- Fenton ��Ŀǰ΢��ݗ��Ⱦ��о�߀̎�ڌ��A��,��īI��^��,��w��(li��n)�Ȍ�΢��ݗ��cFenton ԇ��߻��Y�Ͻ��ˮ��ϩ�M��о�,��Y��,��Fenton ԇ��Ħ��Ȟ�60 ,Fenton ԇ��10 %��r�g12min,��΢��750W ��їl��,��ϩÓ��ʿ��_��87. 08 %,��

��Y�Z

�C��,Fenton (li��n)�ü��g��Ч�ؽ��⻯�W��Ⱦ��,��ЙC�Uˮ̎��н��COD ��Ч��,��˾��õđ��ǰ��,��Fenton (li��n)�ü��g��ˮ��ЙC��Ⱦ��о�Ŀǰ��Ҫ��ڌ��,��F(xi��n)��I(y��)��V��߀��о��,��о��: (1) ��(j��)��N�Uˮ��c,�_�l(f��)��܃r��Ⱥ��m��Fenton (li��n)�ÏUˮ̎��g; (2) �ڬF(xi��n)�е��о��A��Mһ��U��о��,��Ì��Hˮ��M��B�m(x��)̎��

[��īI]
[1 ]��. Ó��- �߻��- ��(li��n)�Ϲ�ˇ̎��Uˮ��о�[J ] . �oˮ��ˮ. 2003 ,29 (1) :52.
[ 2 ]��µ�,��۲�. �׷N�Fenton ԇ��Լ��ڹ��I(y��)�Uˮ̎��еđ��[J ] . �Ϻ��h(hu��n)��ƌW,1994 ,13 (4) :1.
[ 3 ]��˖|,��,��. �Fenton ��̎��y��ЙC��о��Mչ[J ] . �Ϻ��h(hu��n)��ƌW,2002 ,21 (7) :440 - 441.
[ 4 ]��˖|,��. Fenton ��ˮ̎��еİl(f��)չڅ��[J ] . ��Mչ, 2001 , (12) :1.
[ 5 ]��ձ��. ��c��g(li��n)��ڏUˮ̎��еđ��[J ] . ��I(y��)ˮ̎��,2003 ,23 (7) :8.
[6 ] ��˼,�n��,�w�t��. ��- Fenton ��̎��ӡȾ�Uˮ[J ] . �m��F��WԺ�W��(��Ȼ�ƌW��) ,2001 ,20 (6) :68.

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