��ú�ҷ��ƾ۹��X��ˮ̎��đ��

��r�g��2011-01-04 15:54 ��Դ��򻯹� ��: ��x��1631

ժҪ��̽ӑ�ˏķ�ú��ȡ��X�͹��c��ܳ��ˇ,��Ƃ��˾۹��X��M��̎��Uˮ ��,��Y(ji��)��,��ɷ�ú�Ҟ�ԭ��ƵõĮa(ch��n)Ʒ�۹��XPASS�Ⱦۺ��X̎��UˮЧ��ѡ�

�P�I�~��ú��,��۹��X,��Ч��Uˮ̎��

��Է�ú�Ҟ�ԭ�ό��۹��X��PASS�� Ƃ��M��˳��̽ӑ,��ó��Ƃ��^��е�Al �cSiO2��|(zh��)��Ⱥ��Ч��Õr�۹� ��X�F�ļ��,��ģ�M�͝��ˮ�M��̎�� ȡ��^�õ�̎��Ч��,��

1��򞷽��

1.1��x��c��

�x��SHZ-82ˮԡ��ʎ��,��pH325-B�� Ӌ��ԭ��չ��V�x,��(li��n)��,��Ӌ��COD �y��x,��721�ֹ��Ӌ,�� ϣ��ú�ң��c��,�� ۺ��Ȼ��XPAC��I(y��)��,��

1.2��ú��X�͹��ܳ�

1.2.1��

��|(zh��)��֔�(sh��)��20%��ú��У�� 40��60��ĺ��ˮԡ��100 r/min��ٶȔ��2 h,�� Һ�^�V,��VҺ��V��ɡ��м�,��VҺ �麬��X�Ļ��Һ,��

1.2.2�A��

��ϵĞV���NaOH��Һ��ϣ��ڜض� ��40��60��ĺ��ˮԡ��100 r/min��ٶȷ�� 2 h,��Һ�^�V,��VҺ��c��Һ��

1.3�ۺ�

��c��Һ��20%��{(di��o)��(ji��)pHֵ�� 2.5,��25��º��ˮԡ��ʎ5 h,��ҹ��õõ��۹�� Һ,��Һ��oɫ͸��pHֵ��2.5,��X

1.4��

��ԭ��շ��y��X��,��Ý��Ӌ�y�� ȣ��COD�y��x�y��ЙC�ﺬ��,��Ӌ�y�� ҺpHֵ,��f�{��ɫ��y��}��

1.5��

��ԇ�ˮ�Ӟ錍��ģ�M��ˮ,�� ˮ�͵ر�ˮ,��1 000 mL��Ͳ��ȡ6��ˮ��6�� 1 000 mL��У��_��PASS��СͶ�� ,��þ��ַ�Ӌ��Ͷ��,��ٔ�� 120��150 r/min��3 min��ٔ��裨40��80 r/min��20 min,�� ^��ɺ�,��o�ó��15 min��ɺ�,�� ע�䲿�քe��ȡ��е��Һ,��y��ʣ�� ȣ�ͬ�rȡ20 mL��Һ�y��CODֵ,��ͬ�ӷ� ��,��ˮ��м��ۺ��Ȼ��X��y��ʣ�� COD,��^�˲�ͬ��Ч��,��

2�Y(ji��)��cӑՓ

3�Y(ji��)Փ

Ԕ��(n��i)��Ո�鿴��֣�

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