Fenton��̎��B�VҺ

��r(sh��)�g��2010-12-01 15:33 ��(l��i)Դ��Ї�(gu��)�oˮ��ˮ ��: �� x��6189

ժҪ����B��Fenton��̎��B�VҺ��ԇ�(y��n)��Fenton��B�m(x��)��跴��(y��ng)��(CSTR)��M(j��n)��,��ԇ�(y��n)��,��(d��ng)�p��ˮ�c��F�}�Ŀ�Ͷ�ӱ�һ��(H��0 ��Fe =3 0)�r(sh��)��COD ��ȥ��S�p��ˮͶ��Ӷ��,��c�p��ˮ�ڃɂ�(g��)��۵�Ͷ�ӱ��o(w��)�P(gu��n) ��(d��ng)�p��ˮ�Ŀ�Ͷ��0 1 mol��L�r(sh��),��COD ��ȥ��ʿ��@67 5�� @һ�Y(ji��)��ͬ��m��(ch��ng)��ڝB�VҺ̎��,��

�P(gu��n)�I�~�� ��B�VҺ,�� Fentonԇ�ƣ� ��̎��

��(ch��ng)�B�VҺ��һ�N�ɷ�ʮ�֏�(f��)�s�ďUˮ,��Ŀǰ߀�](m��i)��؄e��Ч��,��y(t��ng)��̎��mȻ��Á�(l��i)̎��B�VҺ��ڝB�VҺ�к��ж�N�ж��к��y��ЙC(j��)���̎��Ч��h(yu��n)��(du��)��ˮ��̎��,�,��W(xu��)��Էֽ��@Щ�y��ЙC(j��)��Ķ��ߏUˮ�Ŀ��ԣ�1��,��еĸ߼�(j��)��g(sh��)(advanced oxidation processes,AOPs)��܉�a(ch��n)��O��(qi��ng)��Ե�·OH��ɻ��J(r��n)��̎��B�VҺ��һ�N��,��Fenton��е�һ�N��M(f��i)�õ��,��(ji��n)��ܵ��˂��ҕ,��Fenton��C(j��)��ɺ�(ji��n)�α�ʾ�飺

Fe²⁺+H₂O₂→Fe³⁺+OH^-+·OH ��(1)

·OH+RH(�ЙC(j��)��)→P(��a(ch��n)��)��(2)

��(j��)Сԇ�ĽY(ji��)��2�ݣ��O(sh��)Ӌ(j��)��һ��(g��)̎��1.136m3/h��ԇ�b��,��O(sh��)��һ��(g��)�L(zh��ng)×��×�ߣ�8.85 m×2.44 m×2.74 m��܇(ch��)��(n��i),��Á�(l��i)̎��(gu��)��A��w�U��̎(Delaware Solid Waste Authority)��ٵ��ϡ��(ch��ng)�a(ch��n)��ĝB�VҺ,��B�VҺˮ�|(zh��)��Ҋ(ji��n)��1,��

��1 �B�VҺˮ�|(zh��)��

1��ԇ�(y��n)��

��ԇ��D1��ʾ��К��(d��ng)��≺��λ��܇(ch��)��ă��_(t��i)�Չ��C(j��)�ṩ,��һ��(j��)��ۺ��кͲۃ�(n��i)��pHֵ��pH��ƃx��,��քe��3.5��8.0��{(di��o)��(ji��)pHֵ��A�քe��98%��25%��c��Һ,��Сԇ�ĽY(ji��)��,��(d��ng)pHֵ��2��3.5֮�g�r(sh��)Fenton��̎��Ч��ѣ��O(sh��)Ӌ(j��)�r(sh��)һ��(j��)�Ͷ��(j��)��ۃ�(n��i)��pHֵ�քe��3.0��,��ԇ�(y��n)�l(f��)�F(xi��n)��(d��ng)һ��(j��)��ۃ�(n��i)��pHֵ��(w��n)��3.5��ҕr(sh��),��(j��)��ۃ�(n��i)��pHֵ�ӽ��3��˞鹝(ji��)ʡ�{(di��o)��(ji��)pHֵ��A��,��(sh��)�H��r(sh��)�H��һ��(j��)��ۃ�(n��i)��pHֵ,��⣬�o(w��)Փ��Æμ�(j��)��Ƕ��(j��)��ʽ�r(sh��),��ϲ��ֻ�НB�VҺ��^(gu��),��](m��i)�Ќ��B�VҺ�́��F�}�ڲۃ�(n��i)��ϡ�

�D1 ԇ�(y��n)��

ԇ�(y��n)�r(sh��),��B�VҺ��܇(ch��)��ľ�(��(l��i)�Ա��(ch��ng)�ĝB�VҺ)��5 677.5 L��A��(��(l��i)��ϲ��(ch��ng)�ĝB�VҺ)��͵��ϲ�,��Ȼ��(j��ng)ͬ�Ӵ�С��һ��(j��)�Ͷ��(j��)��ۣ��50%��p��ˮ�́��F�}��Һ�t�ɚ��(d��ng)�÷քe�B�m(x��)Ͷ�ӵ��ɂ�(g��)��(��(j��)Сԇ�Y(ji��)��2��,��p��ˮ�́��F�}��Ħ��Ȟ�3.0�r(sh��)��(du��)CODȥ��Ч��,��ԇ�(y��n)�е��p��ˮ�́��F�}��Ħ��ȹ̶��3.0��׃)��͝B�VҺ��M(j��n)��Fenton��(y��ng),��ĝB�VҺ��͵��кͲ��{(di��o)��(ji��)pHֵ��,��б��(�кͲ۵�λ�ø��ڳ��),��B�VҺ�ڻ�ϲۡ�һ��(j��)��,��(j��)��,��кͲۺͳ��۵�ˮ��ͣ��r(sh��)�g�քe��10��60,��60,��10��60 min(��۵�ͣ��r(sh��)�g�Ǹ��(j��)Сԇ�Y(ji��)��2�ݴ_��)��B�VҺ��ˮ�ӷքe��һ��(j��)��ۺͶ��(j��)��ȡ��,��{(di��o)��(ji��)pHֵ��8.0,��o��30 min��Һ��CODֵ��

2��ԇ�(y��n)�Y(ji��)��c��

2.1�p��ˮͶ�ӱȵ�Ӱ�

�鿼��p��ˮ�ڃɂ�(g��)��еĲ�ͬͶ�ӱ��(du��)CODȥ��ʵ�Ӱ�,��p��ˮ�Ŀ�Ͷ��̶��0.075 mol/L��r��,��׃�p��ˮ��Ͷ�ӱ��õ��(y��ng)CODȥ��Ҋ(ji��n)�D2��(d��ng)�p��ˮ��һ��(j��)��۵�Ͷ��ӕr(sh��),��B�VҺ��(j��ng)�^(gu��)ԓ�ۺ��CODȥ��ʕ�(hu��)��ߣ��ڿ��p��ˮͶ��һ��,��B�VҺ��(j��ng)�^(gu��)��(j��)��ۺ�Ŀ�CODȥ����,��麆(ji��n)��Ҋ(ji��n)��p��ˮ�ڃɂ�(g��)��е�Ͷ�ӱ��̶��1��1,��

�D2 �p��ľͶ�ӱȵ�Ӱ��

2.2�p��ˮ��Ͷ��Ӱ�

�D3��,��S��p��ˮ��Ͷ��ӣ�һ��(j��)��ۺͶ��(j��)��۵�CODȥ��ʾ��в�ͬ�̶ȵ��,��(d��ng)�p��ˮ��Ͷ��ӵ�0.1 mol/L�r(sh��),��COD��ȥ��ʿ��_(d��)67.5%��

�D3 �p��ˮ��Ͷ��Ӱ�

2.3��ͬ��ڝB�VҺ��̎��Y(ji��)��

��(d��ng)�p��ˮ�Ŀ�Ͷ��0.1 mol/L�r(sh��),��CODȥ��ʽӽ�70%��@һ�Y(ji��)��̎��(ch��ng)�B�VҺ�õ��,��z�(y��n)ԓ�l��Ƿ��m��ڝB�VҺ��(du��)�ϲ��(ch��ng)�ĝB�VҺҲ�M(j��n)��ԇ�(y��n),��ɈD4֪,��M��һ��(j��)��۵�ȥ��Ч��S��ʼCODֵ��Ӷ��н��ͣ��(j��ng)�^(gu��)��(j��)��ۺ�,��COD��ȥ��ʴ��ͬ,��

�D4 ��ͬ��ڝB�VҺ��̎��Y(ji��)��

3��Y(ji��)Փ

Fenton��̎��(ch��ng)�B�VҺ��ԇ�Y(ji��)��(d��ng)�p��ˮ�c��F�}�Ŀ�Ͷ�ӱ�һ��r(sh��),��COD��ȥ��S�p��ˮͶ��,��c�p��ˮ�ڃɂ�(g��)��۵�Ͷ�ӱ��o(w��)�P(gu��n)��(d��ng)�p��ˮ�Ŀ�Ͷ��0.1 mol/L�r(sh��),��CODȥ��ʿ��_(d��)67.5%,��@һ�Y(ji��)��m��(ch��ng)��ڝB�VҺ,��

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