(li��n)�Ϸ�̎��k�Uˮ��о�

��r�g��2012-01-05 13:19 ��Դ�� : ��x��2430

늳ء��,��Ͻ�,��ϵȵĹ��I(y��)��a(ch��n)�н�(j��ng)��ʹ�ô��k��٣��a(ch��n)��k�Uˮ,��ͬ�r��Ĕ�(sh��)��(j��)Ҳ��k�Ķ��Էǳ��,��ˡ��~��ֲ��w��(n��i)��e,��°��|(zh��)֮һ,��҇��ձ��(j��ng)��F(xi��n)�^��Ⱦ�^(q��)�k�ж��r��k�Uˮ��ŷ�ǰ��M(j��n)��̎��,��_(d��)��ŷŵ�Ҫ��,��Ⱦ�ж��¼��İl(f��)��̎��k�Uˮ�ķ��·֞��:ʯ��кͷ�,��ȱ�c�ǹ�ˇ�^��(f��)�s,��Ƽs��ض�;��W(xu��)��й�ˇ��,��,��(j��ng)��(j��)��õ��T��(y��u)�c��y��̎��,��ɶ��Ⱦ,��y�_(d��)��Gɫ�h(hu��n)��Ҫ��;�x�ӽ��Q��ԓ��ܘ�֬��,��m��̎��k��ȵ͵ďUˮ,��Ҙ�֬��ж��̎��ɱ�ƫ��;��,��̎��k�Uˮ�m�÷��V,��ɶ��Ⱦ��k�x�ӵ��x��Բ��;��ȱ�c�Ǽ��g(sh��)�в��,��̎��;��߀ԭ��,��ȱ�c��^��Ļ��W(xu��)ˎƷ��ԭ��ϣ��M��^��,��(f��)�s,��Ҵ��ڶ��Ⱦ��}��F(xi��n)�ڂ��P(gu��n)ע�ķ��늽ⷨ,��|ý��,��˃ɷN��Ԍ��Uˮ��̼��ˮ�ͺ��ЙC(j��)��,��س��M(j��n)�з��(y��ng)�ȃ�(y��u)�c,��늽ⷨ�m��k��ďUˮ̎��ȱ�c��Ч��ƫ��,��ܺĴ�;��|ý��ȱ�c��̎��ɱ��^��,��ԇ�ʹ��늽ⷨ�c��|ý��(li��n)��̎��(��ԷQ(li��n)�Ϸ�)��k�c�ЙC(j��)��γɵĽj(lu��)��Uˮ�M(j��n)��̎��늽ⷨ늘O�a(ch��n)��Ⅲ�ӹ��|ý��(y��ng),��@�ӿ��Ч�ع�(ji��)ʡ�ɱ�,��

1·��ԭ��ͷ��

1��1 ��ԭ��

늽��аl(f��)��·��(y��ng):��늘O��£��Uˮ�еĽ��x��ֱ��߀ԭ��|(zh��)��;ͬ�r��,��2Cd2++4e→2Cd

��|ý(��)��չ��⾀��,��Ƀr��S�w��(d��o)��a(ch��n)��c��Ѩ,��c�՚��е��(y��ng)��ɳ��ؓ(f��)�x��,��Ѩ�c��ˮ��OH��(y��ng)�γɾ��Џ��Ե��u��ɻ�·OH��߻��Ե��u��зֽ��ЙC(j��)��Ͳ��֟o�C(j��)��,��

1��2 ģ�M�Uˮ��÷��

��ďUˮ�Ǹ��(j��)�о�Ŀ��Ƶ�ģ�M�Uˮ,��ؽ��ٞ��r�k�x�ӣ��50mg/L,��ЙC(j��)��,��Ҷ��,��Ҷ��,��100mg/L��քe�c�k�x��ɏUҺ��,��

1��3 (li��n)�Ϸ�ԇ򞷽��

��Ȝy��ˇ�Uˮ�е�TOC��,��Ȼ��500mL�UҺ��늽��У��늘O,��TiO2��ĩ,��׃��ȼ�TiO2��ĩ��L�ữ�r�g��g��ʮ��犜y��늽��ˮ��TOC��,��̎��Uˮ��TOC��cԭ�UҺ��TOC��,��õ�TOC�ĳ�ȥ�ʡ�

1��4 ԇ��b��

��늽��ữ�b��,��늘O��ꖘO��Pt/Ti��(f��)��늘O,��ꎘO��õ��Ti늼��늽��|(zh��)��0��1moL/LK2SO4��Һ,��ͬ�r��늽��Ϸ��O(sh��)��b��,��

�Uˮ�п��ЙC(j��)̼�صĝ��(��ӛ��TOC)�ÿ��ЙC(j��)̼�؜y��x(TOC900�Ϻ��h(hu��n)��޹�˾)�M(j��n)�Мy��̎��ďUҺ��(j��ng)�^0��45μm�V��^�V��,��LC1000��Һ��ɫ�V�x(ɽ�|��绯��x��޹�˾)��y��ĳɷ�,��

2·�Y(ji��)��c��

�k�c��ӵ��ɵĽj(lu��)��(��Cd-Cate)��k�c�Ҷ��ɵĽj(lu��)��(��Cd-En),��k�c�Ҷ��ɵĽj(lu��)��(��Cd-Edta),��

2��1 늽ⷨ��|ý��,��(li��n)�Ϸ�̎��Y(ji��)��ı��^

�D1��ò�ͬ��Cd-En�UҺ̎��õ��TOC��ȥ��,��

�ɈD1��Կ��ʹ��(li��n)�Ϸ�̎��ďUˮ,��ữ�r�g�_(d��)��3��5h�r,��TOC�ĳ�ȥ�ʿ��_(d��)��90%��ң��c늽ⷨ,��|ý��,��TOC��ȥ��30%��ϣ��@�f��(li��n)�Ϸ��(y��u)��ɷN��,��N��Ĺ�ˇ��(sh��)�քe��늽ⷨ:��ܶ��80mA/cm2;��|ý��:TiO2��2��0g;(li��n)�Ϸ�:��ܶ��80mA/cm2,��TiO2��2��0g��

2��2 (li��n)�Ϸ�̎��UҺ��ѹ�ˇ��(sh��)�Ĵ_��

2��2��1 �ữ�r�g��Y(ji��)��Ӱ�

�D2��ữ�r�g�cTOC��ȥ�ʵ��P(gu��n)ϵ��,��

�ɈD2��Կ��,��N�UҺ�У�TOC��ȥ��S��ữ�r�g��L��,��ữ�r�g��3��5h�r,��ȥ��_(d��)��ֵ(��92%��93%��95%),��@֮��L�ữ�r�g,��ȥ�ʱ��ֲ�׃��f��3��5h��ữ�r�g��c,��

2��2��2 �|ý��Y(ji��)��Ӱ�

�D3�ǹ��|ý��cTOC��ȥ�ʵ��P(gu��n)ϵ��,��

�ɈD3��Կ��,��N�UҺ��TOC��ȥ��S��|ý��Ӷ��,��2��0g�rTOC��ȥ��_(d��)��ֵ,��֮��^�m(x��)��ӹ��|ý��ȥ�ʻ��׃,��f��2��0gTiO2��,��^��ӕr�]��x��

ͬ�r��Կ��,��0��25g��TiO2�r,��Cu-Ed-ta�UҺ��TOC��ȥ��_(d��)��70%��h(yu��n)�h(yu��n)��Cd-Cate(TOC��ȥ�ʞ�30%)��Cd-En�UҺ(TOC��ȥ�ʞ�40%),��@��j(lu��)��ĽY(ji��)��(g��u)��ͬ��:Cd-Cate�UҺ��Cd-En�UҺ��,��j(lu��)��w�@ʾ��Ľ��ٵ��늺�;��Cd-Edta�UҺ�нj(lu��)��@ʾ��λ�w��ؓ(f��)늺ɣ��ױ��߻��Ե��u��ữ,��TiO2�Ϳ�ʹCd-Edta�UҺ�ֽ�,��ʹTOC�ĳ�ȥ��Ѹ��

2��2��3 ��ܶȌ��Y(ji��)��Ӱ�

�D4��ܶ��cTOC��ȥ�ʵ��P(gu��n)ϵ��,��

�ɈD4��Կ��,��ܶȣ�TOC��ȥ��Ҳ�S֮��,��ܶȞ�80mA/cm2�r,��TOC�ĳ�ȥ�ʿ��_(d��)��96%��@֮��^�m(x��)��ܶ�,��TOC��ȥ�ʱ��ֲ�׃,��f��80mA/cm2��ܶȡ�

2��3 ��ɮa(ch��n)��Ĵ_�J(r��n)

�D5,��D6,��D7��ܶ�80mA/cm2��TiO2��2��0g,��ữ�r�g��3��5h��̎��l��,��N�UҺ��

�ĈD5��Կ��,��ӏUҺ̎��ɵõ��ʯ��,��ᣬ�Ҷ��,��,��,��,��Ҵ��ȸ��N�a(ch��n)��,��N��ữ�r�g�M(j��n)��0��5��2h�_(d��)��c��֮��u��,��(d��ng)�ữ�r�g�_(d��)��2��5h��,��N��ĝ�ȵ��ˮ�C��ŷŘ�(bi��o)��(zh��n)(GB8978��1996)��ŷ�,��

�ĈD6��Կ��,��Ҷ��UҺ��;�ʯ�ᣬ��ȩ,��N��ữ��(y��ng)�M(j��n)��0��5��1h�r�_(d��)��c,��Ȼ��S��ữ�r�g��L��u��͡��(d��ng)�ữ�r�g�_(d��)��2��5h��,��ĝ�ȵ��ˮ�C��ŷŘ�(bi��o)��(zh��n)(GB8978��1996),��ŷš�

�ĈD7��Կ��,��Ҷ��UҺ��Ҷ��,��ᣬ��ȩ,��N��ữ�r�g�M(j��n)��0��5��1��5h�_(d��)��c,��֮��u��͡��(d��ng)�ữ�r�g�_(d��)��2��0h��,��ĝ�ȵ��ˮ�C��ŷŘ�(bi��o)��(zh��n)(GB8978��1996),��ŷš�

3·�Y(ji��)Փ

1)��ں��k�UҺ,��(li��n)�Ϸ��M(j��n)��̎��cʹ��늽��ữ��|ý��,��ߏUҺ�п��ЙC(j��)̼��ȥ�ʡ�

2)ʹ��(li��n)��̎��̎��N��k�UҺ,��ԇ�ó��̎��ˇ��(sh��)��:��ܶȞ�80mA/cm2,��TiO2��2��0g��ữ�r�g3��5h,��ڴ˗l��,��TOC�ĳ�ȥ�ʿ��_(d��)96%��ϡ�

3)�UҺ�ữ̎��Ҫ�ɷ��Ǹ��NС��|(zh��),��mȻС��ĝ��ữ2��5h��Ҿ͵��ˮ��(bi��o)��(zh��n),��ŷţ��_(d��)��õ�̎��Y(ji��)��,��UҺ��ữ�r�g��Ȼ��Ҫ3��5h,��

��īI(xi��n):

��1��Ӣ��܊��k�ж��Σ�J�ݣ��Ĵ��F�t(y��),��2000,��27(7):28��

��2��Ԭһ��ʿ��^(q��)�k��Ⱦ��ȺЧ��(y��ng)�о��J�ݣ��Ї��h(hu��n)��ƌW(xu��),��1992��12(3):173��

��3��,��犇��壮��k�Uˮ̎��Č��о��J�ݣ��c��,��2004��26(5):36��38��

��4��κ�ǣ��k�Uˮ�C��ԇ��о��J�ݣ��(n��i)�ɹŭh(hu��n)��o(h��),��1995,��7(4):33��36��

��5��܇�s��x�ӽ��Q��k�Uˮ�еđ�(y��ng)�ã�J�ݣ��x�ӽ��Q�c��1993,��9(3):276��282��

��6�ݵ��Ʋ�,��κ�Ȅף��,��ȣ��gЪ��(y��ng)��(n��i)��ȥ��ˮ��Һ��,��k�x�ӣ�J�ݣ��h(hu��n)��W(xu��)��2004,��23(3):274��277��

��7��ʩ�Ŀ��k,��U��Uˮ��O(sh��)Ӌ��J�ݣ��W(xu��)�̌W(xu��),��2003,��9(3):7��8��