(li��n)�Ϸ�̎��k�Uˮ��о�

��r�g��2012-01-05 13:19 ��Դ�� : ��x��2428

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��̎��,��_��ŷŵ�Ҫ��,��Ⱦ�ж��¼��İl(f��)��̎��k�Uˮ�ķ��·֞��:ʯ��кͷ�,��ȱ�c�ǹ�ˇ�^��s,��Ƽs��ض�;��W��й�ˇ��,��,��(j��ng)��õ��T��(y��u)�c��y��̎��,��ɶ��Ⱦ,��y�_��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��WˎƷ��ԭ��,��M��^��,��s��Ҵ��ڶ��Ⱦ��},��F(xi��n)�ڂ��Pע�ķ��늽ⷨ,��|ý��,��˃ɷN��Ԍ��Uˮ��̼��ˮ�ͺ��ЙC��,��س��M�з��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��γɵĽj��Uˮ�M��̎��늽ⷨ늘O�a(ch��n)��Ⅲ�ӹ��|ý��,��@�ӿ��Ч�ع�(ji��)ʡ�ɱ�,��

1·��ԭ��ͷ��

1��1 ��ԭ��

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

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

1��2 ģ�M�Uˮ��÷��

��ďUˮ�Ǹ��(j��)�о�Ŀ��Ƶ�ģ�M�Uˮ��ؽ��ٞ��r�k�x��,��50mg/L,��ЙC��ӣ��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��ȣ��õ�TOC�ĳ�ȥ��,��

1��4 ԇ��b��

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

�Uˮ�п��ЙC̼�صĝ��(��ӛ��TOC)�ÿ��ЙC̼�؜y��x(TOC900�Ϻ��h(hu��n)��޹�˾)�M�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��(��Cd-Cate)��k�c�Ҷ��ɵĽj��(��Cd-En),��k�c�Ҷ��ɵĽj��(��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�_��3��5h�r,��TOC�ĳ�ȥ�ʿ��_��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��Pϵ��,��

�ɈD2��Կ��,��N�UҺ�У�TOC��ȥ��S��ữ�r�g��L��,��ữ�r�g��3��5h�r,��ȥ��_��ֵ(��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��Pϵ��,��

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

ͬ�r��Կ��,��0��25g��TiO2�r,��Cu-Ed-ta�UҺ��TOC��ȥ��_��70%��h�h��Cd-Cate(TOC��ȥ�ʞ�30%)��Cd-En�UҺ(TOC��ȥ�ʞ�40%),��@��j��ĽY(ji��)��(g��u)��ͬ��:Cd-Cate�UҺ��Cd-En�UҺ��,��j��w�@ʾ��Ľ��ٵ��늺�;��Cd-Edta�UҺ�нj��@ʾ��λ�w��ؓ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��Pϵ��,��

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

2��3 ��ɮa(ch��n)��Ĵ_�J

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

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