��߻�-��ｵ��̎��Ⱦ�ϏUˮԇ��о�

��r�g��2010-01-06 11:32 ��Դ��ۈ� ��w ��: ��x��1325

ժҪ:��pHֵ,��߻��Դ�t(GR)Ⱦ�ϳ�ʼ��,��ؚ��Ⱦ��ȥ��ʵ�Ӱ�,�_��GRȾ��ȥ�� ^�ѷ��(y��ng)�l��: pHֵ��3,�߻��Ͷ��0. 6 mg/L,GRȾ��Mˮ��Ȟ�20 mg/L,�ؚ��60 mL/min,��^�ѷ��(y��ng)�l��,��߻��ˇ��ｵ�⹤ˇ�͹�߻�-��ｵ��M�Ϲ�ˇ̎��һȾ�ϏUˮЧ��M��˱��^,��˽M�Ϲ�ˇ̎��Ⱦ�ϏUˮ��Ч��,�Y(ji��)��:��(y��ng)5 h�r,�M�Ϲ�ˇ��һȾ�ϏUˮ�л��ī�G(B-4BLN)��GR Ⱦ�ϵ�ȥ��ʷքe��85. 66%��76. 93%,ȥ��Ч��@��چ�һ��ˇ;�M�Ϲ�ˇ��Ⱦ�ϏUˮ��B-4BLN��GRȾ�ϵ�ȥ��ʷքe��83. 76%��71. 84%,��

�P(gu��n)�I�~:��߻�;��ｵ��;��Դ�t;��ī�G;ԇ��о�

�҇�ÿ��s��6�|~7�|tӡȾ�Uˮ��ˮ�h(hu��n)��,�� Ҫ��ˮ�w��ȾԴ֮һ[1],��ӡȾ�Uˮ̎��ɷ֞�� W��,��﷨3��,��ӡȾ�Uˮ�ɷ֏�(f��)�s,��һ̎�� _��Ч��,��ڌ��H��(y��ng)��ӡȾ�Uˮ̎�� Î׷N��ĽM��[2],��P�ߌ��߻�-��ｵ��M �Ϲ�ˇ̎��ӡȾ�Uˮ�M��ԇ��о��

1 ԇ򞷽��c��(n��i)��

1.1 �x��cԇ��

�x��:��ƹ�߻�-��ｵ�ⷴ��(y��ng)��, ZK-82A�� ո��, pHS-2C��Ӌ,VIS-7220�ֹ��Ӌ, 800B�_ʽ�x �ęC,��ԇ��:��Դ�t(GR),��ī�G(B-4BLN),⁰׷۵�,��

1.2 ԇ򞷽��

��t��⛘˜ʷ��y��COD��;ʹ��pHS-2C�� Ӌ�y��pHֵ;ʹ�÷ֹ��Ӌ�y��Uˮ��ˮ��ֵ,Ȼ�� ԓȾ�ϏUˮ�Ę˜��ó��UˮȾ�ϵĺ��[3]��

1.3 ԇ��(n��i)��

(1)��GRȾ��һ��ȏUˮ,��J⁵V��TiO2�� ߻��,��(y��ng)��40 W��ͨ�չ��\��100 min,�� ҺpHֵ,��߻��,��Һ��ʼ��ȡ��ؚ��،�Ⱦ ��ȥ��ʵ�Ӱ�,�_��^�ѵķ��(y��ng)�l��,��

(2)��^�ѷ��(y��ng)�l��,��һȾ��B-4BLN(��Ȟ� 30 mg/L),��GR(��Ȟ�20 mg/L)�Uˮ�քe�ڹ�߻�� ,��߻�-��ｵ�⹤ˇ̎��Ⱦ��ȥ��Ч�� CODȥ��Ч��,��

(3)��^�ѷ��(y��ng)�l��,��߻�-��ｵ��M�� ˇ��Ⱦ��(B-4BLN��Ȟ�30 mg/L, GR��Ȟ�20 mg/L)�Uˮ��Ⱦ�ϼ�CODȥ��Ч��

2 �Y(ji��)��

2.1 ��ط��

(1)pHֵ(��D1),��GRȾ�ϵ�ȥ��S��pHֵ�� , pH=12�rȥ��ʃH��0. 47%, pH=1. 5�rȥ��ʞ� 11. 06%,��a(ch��n)��@�N�F(xi��n)��ԭ��:��HO?��Џ��,�� ߻��(y��ng)��Ҫ��;�ڿ��cGRȾ�ϵķ��ӽY(ji��)��(g��u) ��P(gu��n)��

(2)�߻��TiO2��(��D2),��TiO2��0. 10~0. 6 g/L�r,GRȾ�ϵ�ȥ��S��TiO2��Ӷ��; TiO2��0. 65 g/L�r,ȥ��_��,��8. 28%;TiO2�� 0. 65 g/L�r,ȥ��S��TiO2��Ӷ��МpСڅ ��,��a(ch��n)��@�N�F(xi��n)��ԭ��:�ٮ�TiO2Ͷ��^�ٕr,��Ӳ�� ȫ�D(zhu��n)��黯�W��;��m��TiOͶ��ܮa(ch��n)��Ļ��|(zh��),��-Һ��|��,�ӿ췴��(y��ng)��;�ۮ�TiO2Ͷ�� ^��r��pС��Һ��͸��ʡ�

(3)��ʼGRȾ�ϝ��(��D3),��GRȾ�ϵ�ȥ��S�� ʼ��ȵ��@��,�ҵ͝�ȗl��ȥ��ʽ��͵�څ�� ^��@,��a(ch��n)��@�N�F(xi��n)��ԭ��:��GRȾ�ϵ͝�ȗl��,Ⱦ �Ϸ��ӱ��^��,��߻��ܼ��l(f��)�a(ch��n)��ď��Ի��F��^��; �ڸߝ�ȵďUˮ��Ӱ�ˮ�w͸��,�߻��ܼ��l(f��)�a(ch��n)��ď�� F�^�١�

(4)�ؚ��(��D4),��GRȾ�ϵ�ȥ��S��ؚ�� Ӷ��,��ؚ��60 mL/min�rȥ��ߞ�30. 59%,�^ �m(x��)��ؚ��tȥ��_ʼ��½�,��m��?sh��)��ؚ��@�� ߹�߻�Ч��,�^��ؚ�t��ַ��(y��ng)��M�С��a(ch��n)��@�N�F(xi��n) ��ԭ��:��Һ��߻��(y��ng)�Ƕ��,��Ӱ푱��^��(f��) �s;�ڲ��๩�o��r,��J��TiO2��Ǻ㶨 ��,��ʳ��(sh��)�c��P(gu��n)[4],��TiO2��ⲻ��,�^��Ě��ݕ��(d��o)�¹��ɢ��,��K�߻��,��

��φ��ԇ�Y(ji��)��M��,�_��^�ѵķ��(y��ng)�l��: pHֵ��3,�߻��Ͷ��0. 6mg/L,GR�Mˮ��Ȟ�20 mg/L,�ؚ��60 mL/min;�_��Ӱ푹�߻��ȥ��ʵ�4��ص��Ξ��ʼȾ�ϝ��,��ؚ��,��pHֵ��߻��Ͷ��,��

2.2 ��ˇ̎��һȾ�ϏUˮЧ��^

��߻�-��ｵ��M�Ϲ�ˇ��B-4BLN,��GRȾ�ϵ� ȥ��Ч��Ȇ�һ�Ĺ�߻��ˇ��ｵ�⹤ˇ�ýM�Ϲ�ˇ��CODȥ��Ч��Ȇ�һ��߻��ˇ��,�� (y��ng)5 h�r,�M�Ϲ�ˇ,��߻��ˇ��ｵ�⹤ˇ��B- 4BLNȾ�ϵ�ȥ��ʷքe��85. 66%,��45. 78%,��51. 36%,��GR Ⱦ��ȥ��ʷքe��76. 93%��36. 54%,��43. 88%;��(y��ng)5 h�r�M�� ˇ��һȾ��B-4BLN,��GR�Uˮ�е�CODȥ��ʷքe�� 90. 67%,��83. 33%,��߻��ˇ��(y��ng)��ȥ��ʷքe�� 44. 18%,��28. 41%,��ɴ˿�Ҋ,�M�Ϲ�ˇ̎��һȾ�ϏUˮЧ��Ҫ�Ȇ�һ��ˇЧ��úܶࡣ

2.3 ��߻�-��﹤ˇ̎��Ⱦ�ϏUˮЧ��

��Ⱦ�ϏUˮ�е�B-4BLN��GRȾ��ȥ��S��(y��ng) �r�g��L��,��(y��ng)5 h�rȥ��ʷքe��83. 76%�� 71. 84%;��Ⱦ�ϵ�CODȥ��Ҳ�S��(y��ng)�r�g��L��,��(y��ng)5 h�rȥ��ʞ�85. 03% (��D7),��ɴ˿�Ҋ,�� ߻�-��ｵ�⹤ˇ��Ⱦ�ϏUˮ��̎��Ч��Ǳ��^�õ�,��

3 �Y(ji��) �Z

ԇ�Y(ji��)��,��߻�-��ｵ��M�Ϲ�ˇ��Ⱦ�Ϻ�COD��ȥ��Ч��^��,��ɱ��͡�Ͷ�Y��,��ˇ��,��^�õđ�(y��ng)�Ãrֵ��

��īI:
[1] �w�˽�,��G,��Q,��.ӡȾ�Uˮ��Óɫ��g(sh��)��о��Mչ[J].ˮ̎�� g(sh��), 2000, 26(6): 315-319.
[2] ��.Ⱦ��Ⱦɫ��I(y��)�Uˮ̎��[M].��:��W��I(y��)��, 1997.
[3] ��ҭh(hu��n)��o��.ˮ�͏Uˮ�O(ji��n)�y��[M].��:�Ї��h(hu��n)��ƌW�� , 2002.
[4] JM Herrmann.Heterogeneous photocatalysis: fundamentals and applications to the removal of various types of aqueous pollutants [J]. Catalysis Today, 1999, 53: 115-129.��؟�ξ�݋ ��

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