��ؽ��ُUˮ̎��g��о��Mչ��

��r�g��2012-11-18 18:37 ��Դ��ƌW�c�� : ��x��1187

ժҪ:Փ��̎��ؽ��ُUˮ��¼��g,��,��ȡ��,��x�ӽ��Q��,��¹�ˇ��,��̎��ȡ��U��N̎��g��ԭ��,��Mչ��䑪��,��

�P�I�~:�ؽ��,�Uˮ,̎��

1 ��ؽ��x�ӏUˮ̎��¼��g

��ؽ��ُUˮ̎��¼��g��Ҫ��ɷ��棬һ��ǌ��y(t��ng)��g�ĸ��M,��һ��̎��ؽ��ُUˮ��·��,��

1.1 ��W��

��W��кͳ��,��^�}��F��w��[1],��^��͵ļ��g��F��w��,��F��w��ձ�늚⹫˾��NEC��о��һ�N�ďUˮ��ȥ��ؽ��x�ӵ��·��ǣ��ں��ؽ��x�ӵďUˮ�м��F�},��ù��ďUˮ��ȡ�F��w��ĩ,��F��w��һ��ȥ��Uˮ�ж�N�ؽ��x�ӣ��F��w��ܽ�,��F��w��̎��ؽ��ُUˮЧ��,��Ͷ�Yʡ��O�了��,��,��һ��W��|(zh��)��^��(w��n)��Ȼ�l��,��һ�㲻��ɶ��Ⱦ,��F��w��x�ӵęC��ͨ�^��ȡ��ķ�ʽ��һ��Ļ��W��п��ͻ��ܶȷe��(sh��)��ƶ�ͬ�r��N�ؽ��x�Ӯa(ch��n)��,��؄e�m��̎��I(y��)��a(ch��n)��a(ch��n)��ĺ��N�ؽ��x�ӵďUˮ,��

1.2 ��

��ö��Թ̑B(t��i)��|(zh��)��ˮ��Ⱦ��һ�N��ʯ[2]��һ�N��Ȼ�w�S��Vˮ�Ϲ��}ճ��,��Uˮ��ؽ��ٵ��кܺõ�Ч��,��ʽ��[Si12Mg8(OH)4] (H2O)48H2O��ʯ��ˮ�е�Ni2+,Co2+,Pb2+,Cu2+��Cd2+��^�õ��Ч��,��䌦�ߝ��ؽ��^�õ��,��ЙC��ؽ��Ҳ��^�õ��Ч��[3]��ЙC��һ��̼��ЙC��w�Ƃ�ľۺ��(j��ng)�@Щ��w̎��^�ğo�C��ϻ�ϳɲ��,�,��ұ��I(y��)��ų��ďUˮ�г��ɫ��ټ��ж��Ԫ�أ��ú� NHC(S)CH3�� NHC(S)NH��܈F��ЙC��Ч��@ЩԪ��,��кܸߵ��ϵ��(sh��),��ЙC��Hg,Cu,As,Sb ��󣬌� Cu,Hg,Te,Th,Bi�ķ��ϵ��(sh��)��,��@Щ��ͬ�r��x��N��,��ҿ��ں܌��pH��(n��i)��ؽ��٣�һ�㲻��Ҫ�ض��pHֵ,��ˮ��pHֵ��5~9��δ�Ľ��ˮ��ľ�|(zh��)�ر��,��Ҫ��ȥ��N�ؽ��x��,��Karsheva ��о��l(f��)�F(xi��n)��ˮ��ľ�|(zh��)��һ�N��Ч��,��ȥ��ˮ�е��U�x��[4],��Lalvani �l(f��)�F(xi��n)һ�N��Һ�е� Cr3+�� Cr6+��ľ�|(zh��)��,��ԓľ�|(zh��)�ؿ��ȥ�� 63%�� Cr6+��100%�� Cr3+ [5],��

1.3 �x�ӽ��Q��

��ؽ��ُUˮ�е��ؽ��ٴ��x�Ӡ�B(t��i)��,��x�ӽ��Q��̎��Ч�س�ȥ�ͻ��ՏUˮ�е��ؽ��١�

Ԕ��(n��i)��Ո�鿴��֣�

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