��ͬ��̎��ӡȾ�Uˮ�ı��^�о�

��r�g��2010-12-17 11:28 ��Դ��(li��n)�W(w��ng) ��: ��ռ�t ��x��1221

ժ Ҫ����鼏��ӡȾ��,��Ό��F(xi��n)ӡȾ�Uˮ��ˮ��Ї��R��Ҫ�n�} ,��߷քe��ó��ͳ��һ��̿��̎��ӡȾ�Uˮ��̎��Y(ji��)��ȥ��ӡȾ �Uˮ��75��COD,��ʹ��ˮCOD��60mg��L,��-��̿(li��n)�Ϸ��ȥ��ӡȾ�Uˮ��89.6��COD,��ʹ��ˮCOD��25 mg��L��ɷN̎��ˮ��ܝM�� ˮ��Ҫ��,��ͨ�^��^,��-��̿(li��n)�Ϸ��(y��u)�ڳ�� ,��

�P(gu��n)�I�~��ӡȾ�Uˮ��ˮ��,��,��̿

�҇��Ǽ��ӡȾ��,��ӡȾ�Uˮ�ŷ��s ռ��I(y��)�Uˮ�ŷ��35%,��(j��)��ȫ�y(t��ng)Ӌ,��ȫ��ӡ Ⱦ�Uˮ�ŷ��3x10⁶-4x10⁶m³/d ^[1],��(n��i)ӡȾ�U ˮ̎��̎��,��S��w�� l(f��)չ��ӡȾ��g(sh��)��M��PVA�{��,�� y��ЙC��M��ӡȾ�Uˮ,�� ԣ�ʹCODȥ��ʴ�󽵵�^{[ 2]},��ˮ�YԴ��ȱ��Uˮ̎��YԴ��ᵽ�ճ�,��ӡȾ�U ˮ��̎��ֱ��ѝu��Ҫ��,��߼��^[3] ,��̎��^[4],��Ĥ��^[5]�ȶ�N��Ϊ��M �Ϲ�ˇ��ӡȾ�Uˮ��̎��о��(y��ng)�ó� ��ͳ��ӡȾ�Uˮ�M��̎��_��ˮ��Ŀ�ĵ��о��^��,��Ŀǰ��ó��ͳ��̎��ӡȾ�Uˮ��о��Ҫ�錦ӡȾ�S��ʼ��ˮ��̎��,��ؓ��^��,��ܺ��^�߶��o��ռ�^[6-13] ,��P�߷քe��ó��һ��̿��̎��ӡȾ�Uˮ�M��̎��,��COD��ȥ��ʺ��ܷ��_��ˮ��õ�Ҫ��M��о�,��ˮ��Ø�(bi��o)��(zh��n)��GB 50336--2002��A��Н��,��G��ˮ��(bi��o)��(zh��n)��ֵ(COD_cr≤60 mg/L)��(zh��)��,��

1 ��x��ԇ��

ӡȾ�Uˮˮ��ȡ��ĳӡȾ�S��̎��^�� ˮ��C0D��240 mg/L,��

�x��,��l(f��)��HDһ005��(�� ӭh(hu��n)��O(sh��)��޹�˾)��΢��ؚ��^,��1000 mL�� Ͳ,��COD�y��b�ã��֥JY98—3D�� C(��֥��о��),��

ˎ��0.25 mo��t��Һ��၆�F�@��(bi��o) ��(zh��n)��Һ,��һ��y��Һ(��75mL��м�� y1g),��ṯ(��),��ԇ��F�`ָʾ��,�� (��),��sˮ��̿(�۠�,��I(y��)��),��

2 ��򞷽��

2.1 ��̎��Uˮ

��(j��ng)��z�y�l(f��)�F(xi��n)��ӡȾ�Uˮˮ��к� ��^��Cl-,��Ͷ��ṯ�͝��ጦCl-�M�� ,��1000 mL��Ͳ�м��l000 mL��ˮ��,�� ΢��ؚ��^��ˮ�ӵײ��ͨ��M�� ,�,��1.5mL/s��3 Pa,��

��׃�Uˮ��pH��0��ؚ�r�g,��pH�քe�� 2,��7,��12�l��ͨ��10��40min,��ͨ��^��У� �g��һ��r�gȡ��,��ӛ��(y��ng)�ĕr�g,��y��ͬ �r�g��ȡˮ�ӵ�COD,ӛ��(sh��)��(j��),��Ӌ��CODȥ��,��

2.2 ��̎��Uˮ

ȡ100mLӡȾ�Uˮˮ�ӡ��100mL�ğ��,��l(f��)��̽�^��Һ�s1cm,��෴��(y��ng)��ײ�>5cm,��ڱ��o�ضȞ�40�桢��y�ضȞ� 30��,��ʷ��480��600W �l��,��׃��һ��Õr�g��ȫ�̳��r�g,��g��ȡ��,��ӛ��(y��ng)�ĕr�g��y�� ͬ�r�g��ȡˮ�ӵ�COD,��ӛ��(sh��)��(j��),Ӌ��ȥ��ʡ�

2.3 ��һ��̿(li��n)�Ϸ�̎��Uˮ

ȡ100mL��2.2�з��̎��25min��ˮ��,��˻��̿��׃��̿��ͼ��̿��Ĕ��r�g,�^�V ,ȡ��,��ӛ��(y��ng)�Ļ��̿��ߔ��r�g,��y��ͬ�r �g��ȡˮ�ӵ�COD��ӛ��(sh��)��(j��) ,��Ӌ��ȥ��,��

3 ��Y(ji��)��cӑՓ

3.1 Ӱ��ر��^

(1) ��Ӱ��,��pH��ؚ�r�g�cCODȥ��ʵ��P(gu��n)ϵ��D1��ʾ ,��

��ؚ�r�g��pH��COD��ȥ��^��Ӱ푡��S��ؚ�r�g��L,��CODȥ��ʳ��Lڅ��,��ؚ�30 min��Lڅ��׃��PHԽ��,��Uˮ�A��Խ��,��CODȥ��Ч��Խ�� A�ԗl��ЙC��D(zhu��n)��pH=12�r,��CODȥ��pH=7�r��2.5�� ,��

ȫ��Ո��d�g�[

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