�ۺ��Ȼ��X�}�ĺϳ��c��(y��ng)��

��r�g��2009-12-22 13:59 ��Դ��÷Ӣ,��,��K�� : ��x��1722

�ۺ��Ȼ��X�Ǯ�(d��ng)ǰ��(y��ng)��V��֮һ[1-5],��ڻ��^��ʹ�þۺ��Ȼ��X��,��Ч��mȻ�ܺã��ں��m(x��)��̎��^��д��ښ��X,��Óˮ�Բ��Ǻܺ�,��P(gu��n)�о��}�x�Ӿ��õ�Óˮ��,��ھۺ��Ȼ��X��M(j��n)�}�x��,��һ�N��͸�Ч�ğo�C�߷��Ч��Óˮ��ܾ��Ҫ��x,��X��̼��}��ԭ��Ƃ��͵ğo�C��Чˮ̎�턩�ۺ��Ȼ��X�},��ϳɗl��M(j��n)��о�,��_��ѵĹ�ˇ��(sh��),��

l ��򞲿��

1��1 ԇ��̓x��

ԇ��X��̼��},��}��,��Ԟ鹤�I(y��)��,��

�x��R��t��늠t�S,��,��մɏS��ӟ��,��ӱ�ʡ�S��d��S,��늴Ŕ��K��s�A�x��޹�˾,��JJһ1��ܶ��r늄�

��,��ڟ�ƿ(500 mL)��ܣ��ꖲ��x��S,��y��x,��ơ�

1��2 ��(y��ng)ԭ��

��X��̼��}�ڸߜؗl��·��(y��ng)��ɵ��X��}��}��ܽ��,��һ��pH�l��¾ۺ��ɾۺ��Ȼ��X�},��õ��w�a(ch��n)Ʒ��Ҫ��(y��ng)�飺

1��3 �ϳɹ�ˇ

�ۺ��Ȼ��X�}�ĺϳɹ�ˇ��D1��ʾ,��ȡһ��X��̼��}��τ�,��У��R��t�иߜ��±��һ��r�g,��s,��ĥ��ڟ�ƿ�У��,��ڼӟ�l��ʹ��ܽ�,��s��^�V,��پۺ�,��ɣ��õ��a(ch��n)Ʒ,��

1��4 �a(ch��n)Ʒ��

�a(ch��n)Ʒ��Ҫ��܅��չ��I(y��)�ۺ��Ȼ��X��ָ��(bi��o),��a(ch��n)Ʒ��X��|(zh��)��?j��n)?sh��)��}��|(zh��)��?j��n)?sh��)��EDTA�j(lu��)�ϵζ��y��}��Ú��c��Һ�ζ�[7-8],��

2 �Y(ji��)��cӑՓ

2��1 ��ضȌ��ۺ��Ȼ��X�}��ܵ�Ӱ�

��12 g��X�c8 g̼��}��Ͼ��,��R��t��ڲ�ͬ�ߜؗl��±��(sh��)С�r�󣬵õ��X��},��

��X��}��ɷ�ĩ,��Qȡ10 g��70 mL�}�ᣬ��v��s��(sh��)С�r,��(j��ng)��s��^�V��Y(ji��)��õ��ۺ��Ȼ��X�}��w�a(ch��n)Ʒ,��ȡһ��Ĺ��w�a(ch��n)Ʒ�ܽ��y��X��,��}��}��,��Y(ji��)��Ҋ�D2,��

�ɈD2��Ҋ��X��S��ضȵ��Ӷ��,��}��S��ضȵ��Ӷ��p�,��}��ڳ�ʼ�A��S��ضȵ��Ӷ��,��^1 200�� Ժ�׃��,��ڸߜؗl��^��O(sh��)��Ҫ��,��_��m�˵ı��ضȞ�1 200�� ,��

2��2 �}��ۺ��Ȼ��X�}��ܵ�Ӱ�

�̶��ض�1 200�� l��ͬ��2��1��(ji��),��}��a(ch��n)Ʒ��ܵ�Ӱ�,��Y(ji��)��Ҋ�D3��

�ɈD3��Ҋ,��S�}��,��X��S֮��󣬮�(d��ng)�}��70 mL�r��X��_(d��)��ֵ,��}��ӕr,��X��pС��

�S�}��,��}��,��Ȼ��u�pС��C�Ͽ��],��_��m�˵��}��70 mL,��

2��3 ��ܕr�g��ۺ��Ȼ��X�}��ܵ�Ӱ�

�̶��}��70 mL��l��ͬ��2��2��(ji��),��ܕr�g��a(ch��n)Ʒ��ܵ�Ӱ�,��Y(ji��)��Ҋ�D4��

�ɈD4��Կ��,��S��ܕr�g��L,��X��,��ٶȾ��X�ĺ��(w��n)��,��}��_ʼһ�Εr�g��(n��i)��ӣ��(y��ng)3h�r,��ۺ��Ȼ��X�}�ѽ�(j��ng)�ۺϵ�һ��̶�,��(d��ng)��(y��ng)�r�g��L�r�}��Ȳ��ӣ��pС,��m�˵ĕr�g��3 h,��

2��4 ��(y��ng)��Ȍ��a(ch��n)Ʒ��ܵ�Ӱ�

��X�c̼��}��ͬ��|(zh��)��Ȼ�Ͼ��l��ͬ��2��3��(ji��),��췴��(y��ng)��Ȍ��a(ch��n)Ʒ��ܵ�Ӱ�,��Y(ji��)��Ҋ�D5��

�ɈD5��Ҋ,��S��X��,��a(ch��n)Ʒ��X�ĺ��Ҳ�S֮��ӣ��ӷ��Ȳ��Ǻܴ�,��X��,��ܕr�ܳ��Al”��S֮��ࡣ�S��X��,��}��pС,��X��|(zh��)��?j��n)?sh��)��60% �r��}��ȣ��(d��ng)��X��|(zh��)��?j��n)?sh��)�^�m(x��)��r,��}��ȷ��pС,��ˣ��_��X�c̼��}�m�˵��Ȟ�3��2(�|(zh��)��),��

2��5 �c��I(y��)�ۺ��Ȼ��X��ܵČ��

��ĳ��F�S��ú��ϴ��ˮ��о��,��Թ��I(y��)�ۺ��Ȼ��X��Ƶľۺ��Ȼ��X�}��Ȍ�򞡣ȡ300 mLˮ��,��քeͶ��ͬ��(�|(zh��)��?j��n)?sh��)��5%),��ͬ��ľۺ��Ȼ��X�}�͹��I(y��)�ۺ��Ȼ��X��,��ټӵ��ľ۱�ϩ��(�|(zh��)��?j��n)?sh��)��0��1%)0��15 mL,��裬�oֹ��15 min��,��y��̎��ˮ��Һ�БҸ��ĺ��,��Y(ji��)��Ҋ��1��

�ɱ�1��Ҋ,��ڻ��ͬ�ėl��,��úϳɵľۺ��Ȼ��X�}��ù��I(y��)�ۺ��Ȼ��X̎��F�S��ú��ϴ��ˮ��Ч��Ҫ��,��Ҹ��ȥ��ʸߡ�ͨ�^�y��֪,��ù��I(y��)�ۺ��Ȼ��X��4��1×10 m/kg,��úϳɵľۺ��Ȼ��X�}��6��I×10?m/kg��ۺ��Ȼ��X�}��Óˮ��܃�(y��u)�ڹ��I(y��)�ۺ��Ȼ��X,��

3 �Y(ji��)Փ

a)��߷��(y��ng)�ض��ھۺ��Ȼ��X�}�a(ch��n)Ʒ��,��ض�Խ�ߣ��a(ch��n)Ʒ��Խ��,��_��ضȞ�1 200 oc,��

b)��(y��ng)��X�c̼��}��|(zh��)��Ȟ�3��2��ܕr�g��3 h,��10 g�X��}��ĩ��}��ļ��70 mL�r,��a(ch��n)Ʒ��á�

C)��Ҍ��C��,��ͬ�ļ�ˎ��r,��ϳɵľۺ��Ȼ��X�}�Ļ��܃�(y��u)�ڹ��I(y��)�ۺ��Ȼ��X��Óˮ��ܱȹ��I(y��)�ۺ��Ȼ��X��,��

��īI(xi��n)
1 ��࣮ˮ̎��W(xu��)��W(xu��)��I(y��)��,��2003
2 Scriven R J��The impact of physico—chemical water treat—ment On a novel flotation/filtration process�� W ater Sci Technol��1999��39(10��11)��211��215
3 ��ı�Һ�w�ۺ��Ȼ��Xʹ�×l��̽��I(y��)ˮ̎��,��1998,��18(2)��11��14
4 ��ۺ��Ȼ��X�c��y(t��ng)��һ��О���h(hu��n)��W(xu��),��1997,��16(6)��497��505
5 ��o�C�߷��Ļ��A(ch��)�о��h(hu��n)��W(xu��)��1990,��9(3)��1��3
6 �K��,��꣮ʯ��ú��ˮ��е��ÙC��|��W(xu��)�W(xu��)��1998,��19(2)��215��217
7 GB15892-1995,��A��񹲺͇��Ҙ�(bi��o)��(zh��n)
8 ��h��W(xu��)��W(xu��)��򞣮��ߵȽ��磬2002

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