΢��ݗ��̎��像Uˮԇ�(y��n)�о�

��r(sh��)�g��2010-02-26 13:54 ��Դ��Ї�(gu��)��W(w��ng) ��: �܁��t,��Ԅ�,��I ��x��3246

ժҪ��[Ŀ��]̽ӑ��΢��ݗ�似�g(sh��)̎��像Uˮ��Ч��[��]��w�,��̿��߻��,��像Uˮ��̎�팦(du��)��,��΢��t(LG,700W)��b��ԇ�(y��n)�b��,��ʹ��M(j��n)�л��ԇ�(y��n),��΢��ݗ��̎��ˇ,��(j��)CODCr,��軯��~��ָ��(bi��o)��u(p��ng)�r(ji��)��̎��Ч��, ��ͨ�^��Իؚw��,�о�΢��ݗ��r(sh��)�g�c̎��Ч��P(gu��n)ϵ��[�Y(ji��)��]΢��ݗ�似�g(sh��)��(du��)�像Uˮ�е�CODCr,��軯��Լ��ؽ��~ ��̎��Ч��@��,��(du��)CODCr,��軯��ؽ��~��ȥ��ʷքe�_(d��)��78.0%,��99.9%��87.0%,��(du��)CODCr��軯��̎��r(sh��)�g�քe ��140��120 s,��΢��ݗ��r(sh��)�g�cCODCr��Ⱥ��軯��ȳʾ��P(gu��n),�c�ؽ��~�ĝ�ȳ�ָ��(sh��)��P(gu��n)��[�Y(ji��)Փ]��΢��ݗ�似�g(sh��)̎�� 像Uˮ��ˇ��(ji��n)��,��,��п��ԡ�

�P(gu��n)�I�~��΢��ݗ��;��̿;�像Uˮ

�像Uˮ��Ⱦ��N�,��Դ�,��Σ��(y��n)��,һ�㺬�� CN-��Cr6+,��Cu2+,��Ni+��ؽ��ټ��ж��Ⱦ��,��y(t��ng)��ˇ��Ҫ��ռ�,�M(j��n)��A(y��)̎��M(j��n)�л�ϻ��W(xu��)̎��,�Uˮ ̎��Y(ji��)��cǰ�ڷ��ռ��P(gu��n)��I(y��)��(du��)僼� �M(j��n)�г��,��P,��D��,�ŷŵďUˮ�к��д��ı�� ,��,��ؽ��Լ��ߺ��軯��,CODCr��ŷ�ֵ �h(yu��n)��ڇ�(gu��)��1��(j��)�ŷŘ�(bi��o)��(zh��n)��y(t��ng)��̎��像Uˮ�r(sh��),�� ڹ�ˇ��̏�(f��)�s,��ռ��e��,��Uˮ��(y��ng)�r(sh��)�g�L(zh��ng)��Ͷ�Y�\(y��n)�г� ��,��\(y��n)�й��(f��)�s(�Uˮ�ķ��)��y�},��

΢��(du��)��w��|(zh��)�M(j��n)��x��Լӟ�r(sh��),��H��(du��)��|(zh��) �е͜ش߻��[1],�܉��w�й̡�Һ��x,��߀�� ؚ͜��,��ӟ�,��Ѹ��ء��ٴ�͸�ȹ��,�_(d��)��ȥ��,�� ,��Ч��,��a(ch��n)��Ⱦ[2-3]��΢��ܵĻ��W(xu��)�� ÙC(j��)��܉�O��ˮ��Ӽ��ЙC(j��)��,ʹ�ЙC(j��)�� c��ӄ�֮�g�γ��^�ɑB(t��i)�a(ch��n)��,��ͷֽ��к��ЙC(j��)�� Ҫ�Ļ��,ʹ��(y��ng)��M(j��n)�С��ÙC(j��)�� ΢��܉�ӟ�͘O��ˮ��Ⱦ��,��ͷֽ��к� �ЙC(j��)��Ҫ�ķ��(y��ng)�l��,�_(d��)��(y��ng)��Ҫ�Ļ��[4],��

�P��w�,��̿��߻��,��像Uˮ��̎�팦(du��)��, ��΢��ݗ��̎��ˇ,��(j��)CODCr��軯��,��~��ָ��(bi��o) ��u(p��ng)�r(ji��)��̎��Ч��,��

1��c��

1.1��ԇ�(y��n)�b��

ԇ�(y��n)�b�Þ��b�ļ��΢��t(LG, 70 W),ʹ��M(j��n)�л��ԇ�(y��n)��ԇ�(y��n)�b��D1��ʾ,��

1.2��Ҫԇ�(y��n)�x��

721�ͷֹ��Ӌ(j��);LG΢��t;GS101 ��늟��L(f��ng)��,��

1.3��Ҫԇ��ˮ

12~18Ŀ���Ļ��̿;�像U ˮ��Ҫ�ɷ�Ҋ��1��

1.4��ԇ�(y��n)��

��÷ֹ��Ӌ(j��)�M(j��n)��~�x�Ә�(bi��o)��(zh��n)��L��,��ȡ12~18Ŀ���Ļ��̿3 g��250ml�F��ƿ��, ��100ml�像Uˮ,΢��ݗ��һ��r(sh��)�g��,��s��Ҝ�,ȡ��Һ30 m,l��ڲ��L(zh��ng)510 nm̎�y(c��)��,��M(j��n)�� CODCr��軯��Ĝy(c��)��,��

2��Y(ji��)��c��

2.1��ͬ΢��ݗ��r(sh��)�g��(du��)CODCr��̎��Ч��

�ɈD2��Կ��,��ͬ��΢��ݗ��r(sh��)�g��(du��)�像Uˮ��̎��@��Ч ��,�S��r(sh��)�g��,��ȥ��u��,��140 s�r(sh��)CODCr ��ֵ��͵��c(di��n),�S��½�څ��(sh��)��@��ȥ�� _(d��)��78.0%,��(du��)��M(j��n)��һ�η��ģ�M,�Y(ji��)��:

y=-0.937x+174.300��R2=0.926

ʽ��,y��CODCr��;x��΢��ݗ��r(sh��)�g,�� ʽ��Կ��,CODCr��ȥ��Ч��c΢��ݗ��r(sh��)�g�ʾ��P(gu��n)ϵ��

2.2��ͬ΢��ݗ��r(sh��)�g��(du��)�軯��̎��Ч��

�ɈD3��Կ��,΢��ݗ��Ժܺõؽ��像Uˮ��軯��Σ��, �軯��ȥ��ʿ��_(d��)99.9%,��̎��r(sh��)�g��120 s�r(sh��)�_(d��)��,֮��څ�ڷ�(w��n)��,��(du��)��M(j��n)�о��Իؚw,��ʽ��:

y=-0.069x+10.660��R2=0.949

ʽ��,y��軯��; x��΢��ݗ��r(sh��)�g�� ʽ��Կ��,�軯��ȥ��c΢��ݗ��r(sh��)�g�ʾ��P(gu��n),��

2.3��ͬ΢��ݗ��r(sh��)�g��(du��)�ؽ��~��ȥ��Ч��

�ɈD4�� Ҋ,΢��̎�팦(du��)�ؽ��~��ȥ��Ч��Ҳ�ǳ��@,��ȥ��ʿ��_(d��)87.0%,��(du��)��M(j��n)�Д�(sh��)�W(xu��)ģ�M,��̞�:

y= 16.56 e-0.01x��R2= 0.961

ʽ��,y��~�x�ӝ��; x��΢��ݗ��r(sh��)�g��

��ʽ��Կ��,�像Uˮ��ؽ��~�ĝ��S΢��ݗ��r(sh��)�g��ӳ�ָ��(sh��)��,��

3��С�Y(ji��)�cӑՓ

(1)��һ��ʵ�΢��̎��,�S΢��̎��r(sh��)�g��L(zh��ng), ��(du��)�像Uˮ��CODCr,��軯��Լ��ؽ��~��̎��Ч�� @��

(2)΢��̎��像Uˮ��ˇ��(ji��n)��,��,��

(3)��΢��̎��像Uˮ�ǿ��е�,�S��΢��g(sh��) �_�l(f��)�о��M(j��n)һ��,΢��һ�N�µķ��(y��ng)��ڹ�� (sh��)�`��,��(hu��)�o��(hu��)��^�Ľ�(j��ng)��(j��)Ч��,��h(hu��n)��Ч��(hu��) Ч�档

(4)΢��̎��像Uˮ��ѹ��Լ��´߻��_�l(f��) ��д��M(j��n)һ��о�,��

��īI(xi��n)

[1]��,�w��m,��.΢��-��̿ȥ��B�VҺ��CODCr��о� [J].��r(n��ng)�I(y��)�ƌW(xu��),2007,35(4):1096-1097.

[2]��i,��,�m�L(zh��ng)�s,��.΢��g(sh��)�ڟ��a(ch��n)��Ʒ�|(zh��)��еđ�(y��ng)�� [J].��r(n��ng)�I(y��)�ƌW(xu��),2005,33(9):1700-1702·

[3]��J�h.΢��W(xu��)[M].��:�ƌW(xu��)��,2001·

[4] SALVADOR R, CASAL B,YATESM, et alMicrowave decomposition of achlorinatepesticide supported on modified sepiolites [J].Applied Clay Science, 2002, 22:103-113·

����D(zhu��n)�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��(bi��o)ע�e(cu��)�`��ַ��ĺϷ��(qu��n)�棬Ո(q��ng)��߳֙�(qu��n)��C��c��W(w��ng)(li��n)ϵ,��҂��r(sh��)��,��h��x�x,��