ӡȾ�UˮÓɫ��

��r�g��2009-07-09 15:38 ��Դ�� : ��x��1875

1��(n��i)��ӡȾ�Uˮ̎��ˇ��Ҫ

1.1��Óɫ

��Óɫ��һ��Ҫ��(y��u)�c��ͨ�^��ÿɌ�Ⱦ�Ϗ�ˮ��ȥ��,��^�̱��Ⱦ�ϵĽY(ji��)��(g��u),�,��̿��һ�N��(y��u)��яV��(y��ng)��ˮ̎��У��ɫӡȾ�Uˮ��,��̿��Ⱦ�Ͼ��x��,��Óɫ��Ξ�A��Ⱦ�ϡ�ֱ��Ⱦ��,��Ⱦ�Ϻ��Ⱦ��,�,��̿�r��F��֮��y,��һ��ֻ��(y��ng)��ڝ��^�͵�ӡȾ�Uˮ̎��̎��,��ӺY��X,��w�,��̿(GAC)��ľм��ɢ��Ⱦ��1260��,��}��y�Ԍ��F(xi��n)�F(xi��n)��,��

S karcher��һ�N��Ϳ��Cucurbituril��ɸ��ͼ�ȩ�s��γɵ�һ�N�h(hu��n)��s��,��(j��ng)��,��ԓ��|(zh��)�o��Ca²⁺��1��100mmol/L,��Һ��}�Ŀ��С��100—1000mmol/L�r,��Եõ��ߵ��,��ɫ�Ⱥܵ͡�

1.2 ��߀ԭÓɫ

��߀ԭ��Ɖ�Ⱦ�ϵĹ�ܗ�wϵ��l(f��)ɫ��F(tu��n)��ӡȾÓɫ̎��Ч��,��Ҏ(gu��)��,��(n��i)��о��c��Ҫ��ڳ��^��,��늽��͹��,��

��õ�Óɫ��ں�ˮ��Ⱦ�ϏUˮ��,��ֱ��,��x�Ӻ��Ե�Ⱦ�ϣ��Óɫ�ʺܸ�,��ɢȾ��Ҳ��^��ÓɫЧ��,��ԑҸ��B(t��i)��ڏUˮ�е�߀ԭ��򻯺�Ϳ��,��ÓɫЧ��^��,��Ҳ��c��̎��g(sh��)�Y(ji��)�ϑ�(y��ng)�á��FeSO₄,��F₂(SO₄)₃,��FeCl₃��ۺ��ó��̎��Óɫ̎��,��һ늽�̎��ʹֱ��,��Ⱦ�ϵ�Óɫ�ʱȆμ��̎��25%��40%��A�Լ��Ⱦ��10%��ݗ��ͬ�r�M(j��n)��xݗ��Ҳ��Ч��,��ڳ��Ⱦ��Ʒ�N�m��(y��ng)�ԏV,��ÓɫЧ�ʸߣ�ͬ�rO₃�ڏUˮ�е�߀ԭ�a(ch��n)��Լ��^ʣO₃,��Ѹ��Һ�Ϳ՚��зֽ��O₂,��h(hu��n)��ɶ��Ⱦ��O₃Óɫ��g(sh��)��һ��Ĺ��I(y��)��(y��ng)��ǰ��,��Ŀǰ��Ҫȱ�c��\��M��ƫ�ߡ�

Fentonԇ��̎��Uˮ�^��г��,��߀��л��,��ÓɫЧ��^�ߡ��Ⱦ�ϼ��Uˮ��Óɫ̎��еõ��V��đ�(y��ng)��,��y(t��ng)��H₂O₂��Ŀǰ��Fentonԇ��ʽ��F(xi��n),��ȫ��˽�Fentonԇ��NȾ�ϵ�Óɫ��Kuo.W.G�x��˸��w90%��Ⱦ��Ʒ�N�Ĵ��Ի��M(j��n)��ģ�M�о�,��Y(ji��)��,��ԗl��(pH<3ƽ��Óɫ��_(d��)97%��CODȥ��_(d��)90%),��

�߼��Óɫ��J(r��n)��һ�N��ǰ;�ķ��,��^�߼��UV+H₂O₂��UV+O₃��^��Юa(ch��n)��u��ɻ�,��䏊��ʹȾ�ϏUˮÓɫ,��(j��ng)�о��l(f��)�F(xi��n)��ż��Ⱦ�ϵ�Óɫ��Ч��ڌ��H��a(ch��n)��cĳЩ��W(xu��)�o��ÓɫЧ��UV+H₂O₂��̎��ż��ͻ��Ⱦ�Ϯa(ch��n)��Ľ��a(ch��n)��h(hu��n)��ȫ�o��,��о��l(f��)�F(xi��n)��ȶ�ົ��ż����Ⱦ��ʹ��UV+H₂O₂��ÓɫҲ�кܺõ�Ч��,��߼��һ��(y��n)�ز��֮̎��̎��M��^�ߣ��Ķ��ďV��ʹ��,��

1.3��Óɫ̎��g(sh��)

1.3.1�o�C��

Ŀǰ��F(xi��n)�ğo�C��}͟o�C�߷��Ӿۺ�늽��|(zh��),��F�}��V�},��X�}�Լ��,��}Ԫ�صĻ��(j��)��(y��ng)��r��,��Aʽ�Ȼ��X,��X��r�F�}�Ȇμ��X�}��һЩˮ��Ⱦ�ϏUˮ��Óɫ�ʲ��,��ʹ�õ�pH��^խ,��FeSO₄��ڴ󲿷�ˮ��Ⱦ�Ͼ��^�õ�ÓɫЧ��̎��Ⱦɫ�Uˮ,��ɫ��ȥ��ʞ�95%,��BODȥ��ʞ�96%��59%,��FeSO₄Óɫ�ęC��ǌ��ɫ��F(tu��n)߀ԭ��߀ԭ�a(ch��n)��ЙCС��Ӳ��Ч��ȥ��,��CODcr��ȥ��ʲ��,��Ҍ��Һ�ЉA�ȵ��^�󣬻��Ҳ�^��,��

MgO,��MgSO₄��V�}��ˮ��Һ��ɵ�Mg(OH)₂�ď��,��F(tu��n)��ˮ��Ⱦ�Ͼ��õ�̎��Ч��,��Óɫ�ʡ�CODcrȥ��ʷքe��_(d��)98%��70%��,��MgCl₂��Ca(OH)₂̎��Ⱦ�Ϻͷ�ɢ��Ⱦ�ϏUˮ,��Ч��Ҫ��A1₂(SO4)₃��PAC,��FeSO₄/Ca(OH)₂,��C��Mg²⁺�c�u��Ȼ��SO₄^2-��(y��ng)��ɷ�(w��n)��,��@Щ��ͨ�^��ÏďUˮ��ȥ��,��V�}Ҳ��pH��խ��ȱ�c��

��о��͑�(y��ng)�Ì��`��,��ßo�C��F�},��X�}��V�}��o�C��z�w��Ҹ��B(t��i)��ڏUˮ�е�Ⱦ�Ͼ��õ�ÓɫЧ��,��ɢȾ��,��Ⱦ�ϡ��߀ԭȾ��,��ż�Ϻ�ı�ȾȾ��,��Լ��^��ֱ��Ⱦ�Ϻ��Ⱦ�ϣ��γ��z�w΢��ˮ��Ⱦ��Ⱦ��,��Ⱦ�ϼ��С��ӵ�ֱ��Ⱦ�ϏUˮ�t��ÓɫЧ��,��

1.3.2�ЙC��

1.3.2.1��Ԅ�

��Ԅ��ӡȾ�Uˮ̎��Ĉ��ܶ࣬��Դ��ʮ�˰��̎��Ⱦ��,��̎��򻯺�BȾ�ϵ�Ⱦ�޲��Uˮ,��Ⱦ��ȥ��ʿ��_(d��)99��2%��Stoica L��ʮ��׻��Ȼ��@��ʮ��廯��}�Y(ji��)��Al₂(SO4)3��pHֵ��4��11�r��Ժ�ֱ��Ⱦ�ϵĽz�IӡȾ�Uˮ�M(j��n)�л��⸡̎��,��Óɫ�ʿ��_(d��)90%��100%,��x�ӱ��Ԅ��cȾ�Ϸ��ӵĽj(lu��)��þ��^��x��ԣ��ˆΪ�ʹ��y��_(d��)��ܺõ�Ч��Ҫ��X�}��(f��)��ʹ��,��

1.3.2.2��Ȼ�߷��Ӽ��

��Ȼ�ЙC�߷��ԭ�ρ�Դ�V��,��r��o��,��ｵ��c�@ʾ��õđ�(y��ng)��ǰ��,��ӡȾ�Uˮ̎��Ȼ�߷��Ҫ��Ȼ��ۼ��ľ�|(zh��)��,��ך��,��

�Uˮ̎��д󲿷�΢��(x��)�w��z�w��ؓ(f��)늺ɣ��ߵ��ۺ�ľ�|(zh��)�ط��ӌ��@ЩС��|(zh��)��,��M(j��n)��x�Ӹ��һ��Ҫ�о��,��x��x�ӻ��ۺ�ľ�|(zh��)�ؿ��̎��x��Ⱦ�ϡ�ֱ��Ⱦ�Ϻ��Ⱦ�ϏUˮ,��Óɫ�ʾ��^90%,��

1.3.2.3�ϳ��ЙC�߷��

�ϳɵ��ЙC�߷��ߣ��Ļ��Թ��܈F(tu��n)��,��ˮ�е��չ�ȴ�,��ܺã��,��pH��V,��ͬ�r��^�V��Óˮ�ȹ�Һ��x��涼��Ѓ�(y��u)Խ��,��Ŀǰ��(y��ng)��Ч��õ��Ǹ߷��PAN—DCD,��Ծ۱�ϩ��朣��ö��ډA�ԗl��M(j��n)�Ђ�(c��)朸��,��ʹ֮׃?y��u)�ˮ��Ե�,��N��Ի��F(tu��n)�ă��Ծ�늽��|(zh��)��
(PAN—DCl)��Ⱦ��,��Ⱦ��,��Ⱦ�ϵ�ÓɫЧ��ã�Óɫ�ʾ��_(d��)90%��,��ӡȾ�Uˮ��Óɫ��ȥ��COD��p��Ч��,��c�ۺ��X��(f��)��ʹ�ã�ȥ��Ч��,��CODȥ��ʞ�63%,��һ�ֵ��ע��Óɫ��ǽ��F(xi��n)��p�谷��ȩ�s����ӡȾ�Uˮ��Ѓ�(y��u)��ÓɫЧ��,��Ͷ��̎��ɱ�,��

ᘌ��Ⱦ�Ϻ�ֱ��Ⱦ�Ϸ��ӽY(ji��)��(g��u)�к��Џ��Hˮ�ԵĻ��Ȼ��ˮ��ܽ�󶼎��ؓ(f��)늺ɵ��c��P(gu��n)�I��ƉĻ��]Ⱦ�ϵ��Hˮ��F(tu��n),��ˮ��,��Ȼ��Ó��(w��n)��,��_(d��)��Һ�з��x��Ŀ��,��ͬ��(j��)��W(xu��)��Ⱦ��c�YԴ��о��c��Ƴɹ�TJϵ��Óɫ��ͳ��p��,��ЧÓ��N��,��Եȿ��Ⱦ�ϣ�Óɫ��_(d��)��98%һ100%,��҇�ӡȾ�Uˮ̎��ṩ��һ�l��õ�;��,��ϵ��Óɫ��ǲ��ۺ����]Ⱦ�ϵ��Hˮ��F(tu��n),��Ⱦ�ϳ��,��̎��A(y��)̎��^��о��ʹ�ô�Óɫ��ˮ̎��O(sh��)ʩ�]��ض��Ҫ��,��

1.4��Óɫ̎��g(sh��)

��,��ͻ��Óɫ�⣬��(n��i)�⌦�x�ӽ��QÓɫ,��VĤÓɫ��Óɫ��g(sh��)Ҳ�M(j��n)�ЏSһ��о�,��У��Ҏ(gu��)��y��Óɫ��ˮ��Ⱦ�ϲ��x�ӽ��Q�ķ��̎��M(j��n)��о�,��ȡ��һ��M(j��n)չ,��о��x�ӽ��Q��֬��x�ӽ��QÓɫ�w�S��_�l(f��)��ƃɂ��档
��΢��Ⱦ�Ϻͷ��^��Ⱦ�ϽM�ݿ��Բ��ó��V�򷴝B͸��g(sh��)�M(j��n)��Óɫ̎��,��]��(j��ng)��(j��)��,��Ŀǰ��V��g(sh��)��ڸߝ��Ⱦ�ϼ�Ⱦɫ�Uˮ̎��ǌ��Ⱦ�ϵĻ��,��

��ӡȾ�Uˮ��Ⱦ�ϽM�ֵĿ��Բ�,��Ҏ(gu��)��Óɫ��һֱ��˝M�⡣Ŀǰ�Ľ�Q��ȡ�A(y��)̎��ƏUˮ��,��Ҫ�ǺY�x��(y��u)��Óɫ��͏��̎��^��,��係�w��ԣ��Óɫ�Пoͻ��M(j��n)չ,��߀��c��̎��Y(ji��)��ʹ��,��

2��}��l(f��)չڅ��

��Ŀǰ��ֹ��NÓɫ��Ľ�(j��ng)��(j��)��,��g(sh��)��,��h(hu��n)��Ӱ푺͌��Կ��]��һ��ȱ��,��Óɫ��ֻ��Ⱦ�ϣ��Ɖ��Y(ji��)��(g��u)��c,��ǰʹ�õ��,��׵�ȱ�c��߼��Óɫ��J(r��n)��һ�N��ǰ;�ķ��,��䰺�F�ăr��ɞ��Ƽs��V��(y��ng)�õ��Ҫԭ��,��һЩ��y(t��ng)��NaClO��H₂O₂,��C��UˮÓɫ��Ч,��Ï��W(xu��)�cø�߻��ķ��܌��зǳ��V韵đ�(y��ng)��ǰ��