�p��Ĥ��s��s��B͸��ˮԇ��о�

��r�g��2011-02-25 16:52 ��Դ��ˮ̎��g(sh��) ��: ��| �䴺�� Ε�� x��7514

ժҪ����;�ƫ��ϩ(PVDF)�п��w�S��ˮĤ��Üp��Ĥ��s(VMD)��ʯ��I(y��)�Uˮ�ķ��B͸ (RO)��ˮ�M(j��n)��Ó�},��s̎��,��о��ˌ��ˮ��A(y��)̎��Ӳ��ˮ��VMD��s�^��Ĥ��ͨ��a(ch��n)ˮ�͝�sҺ ˮ�|(zh��)��׃��Ҏ(gu��)��,��Ò��R(SEM)��V�h(EDS)��Ĥ��ò��Ԫ�ؽM��,��о��VMD�^��ͨ�� ԭ�򡣽Y(ji��)��,��΢�ܟo�C(j��)�}�ĳ��e��VMD�^��ͨ��͵��Ҫԭ��,��RO��ˮ��(j��ng)�^�A(y��)̎��ն� 0��095 MPa,��ԭˮ�ض�70,��C��0��66 m·s,��ėl��,��VMD�^��ͨ��_(d��)25��83 kg·m��·h��,��s��20��rͨ�� 11��7 kg·m,��·h��a(ch��n)ˮ늌�(d��o)��4¨s·cm,��,��

�P(gu��n)�I�~���p��Ĥ��s,��ƫ��ϩ�п��w�S��ˮĤ��B͸��ˮ,��Ó�},��s

��S��Ĥ��x��g(sh��)�Ŀ��ٰl(f��)չ,��B͸Ĥ ��g(sh��)(RO)��u��,��ұ��Ȳ��T��I(y��)�Uˮ��ѭ�h(hu��n) ˮ��Ȼ��̎��x��g(sh��)��Ƿ��B͸Ĥ��g(sh��)�Įa(ch��n) ˮ��һ��ֻ��75��,��ˮ��̎��c�ŷņ��}��ͻ ��_l_,��Ŀǰ��Q��B͸�ŷŝ�ˮ��Ҫ��õ��N�� (1)��ˮ��(j��ng)�_ϴ��|(zh��)�^�V��ŷţ�(2)�� ˮ��л��̎��,��ʯ��ܛ��ȥ��}�VӲ ��,��̎��û��_(d��)��(bi��o)�ŷţ�(3)ֱ�ӽY(ji��)��a(ch��n)�� ˇ��r�C��,��@Щ��]�Џص׽�Q�� },��ˮ��ʺܵͣ��Ɍ��h(hu��n)��Ķ�� Ⱦ,��_�l(f��)��Ч�ĝ��}ˮ̎��^��,��ԏ��aRO�� ̎��^�̵Ĳ��㣬�Ԍ��F(xi��n)��(ji��)ˮ�p��,��Ҫ��x,��

�p��Ĥ��s(VMD)�ǌ�Ĥ��g(sh��)�c��y(t��ng)��s�� g(sh��)�Y(ji��)�ϵ�һ�N��Ĥ��x�^�̡��в��ضȵ�,��O(sh��) �了��,��o�C(j��)�}��ӵȲ��]�l(f��)��Ľ��ʿ��_(d��) 100��,��Ɍ��F(xi��n)�ߝ��Һ��̎��ȃ�(y��u)�c ,��n�}�M �_�l(f��)��ܷ�(w��n)��ĸ�ͨ��ƫ��ϩ(PVDF)�� ˮ�п��w�SĤ��ᘌ��|(zh��)��Ȟ�3��5��427��֮�g�� }ˮ��Һ�M(j��n)��VMDԇ�,��о��Ĥ�ͽM��Y(ji��)��(g��u)�� ^��ܵ�Ӱ� ,��ԇ��ô˸�ͨ��PVDFĤ�� ʯ��I(y��)�Uˮ��(j��ng)RO̎��ĝ��ˮ�M(j��n)��VMD ��s̎��ԇ�,��о�MD�^��ͨ��,��a(ch��n)ˮ�͝�sҺ�� ˮ�|(zh��)׃��Ҏ(gu��)�ɣ�̽ӑ��Ĥ��׃��ԭ��,��

l ԇ򞲿��

1��1 ��Ҫԇ��c�x��

PVDF�п��w�S��ˮ��΢��Ĥ,��ƣ��(n��i)��0��8 mm,��ں�0��15 mm,��׏�0��160 i��zm,��϶��85�� w�SĤ�M��,��,��Ч�L��90 mm��Ĥ�z��(sh��)100 ��,��ЧĤ��e�s2��26 cm ,��ʯ��I(y��)�Uˮ��RO�� ˮ�� 늌�(d��o)ֵ�s6��2 mS·cm��,��pH�s8��5,��COD�s�� 100 mg·L��Ӳ��(��CaOӋ)�s��1 000 mg·L��,�� о�Ժ�ṩ,��ƽ,��R�x�� S,��DDS��11A��늌�(d��o)�ʃx��Ϻ��״Ńx��S,�� Rһ��V�x(SEM ��EDS),�� ձ�JEOL��˾ JSM ��6700��

1��2 ԇ��b��c�\��

��ƵĜp��Ĥ��sԇ�ϵ�y(t��ng)��ʾ�ڈD1,�� Ҫ�ɟ��(c��)��·,��Ղ�(c��)��·�Լ��ˮ��п��w�SĤ �M��(g��u)�ɡ��П��(c��)��·��Ҫ��ˮԡ,�� ,��ض�Ӌ��Ӌ,��Ղ�(c��)��Ҫ��,��ˮѭ�h(hu��n)ʽ ��ձá��a(ch��n)ˮ��M��,��п��w�SĤ�M�� ӟ��RO��ˮ��,��C��ڽM��̃�(n��i) ��˟o��ٌ�Ĥ�M��M(j��n)�б��̎��,��(c��)RO ��ˮ��п��w�SĤ�׃�(n��i)�l(f��)��|(zh��)��Ă��f,��͸ �^Ĥ�׵��ϵ�y(t��ng)��ͨ�^�a(ch��n)ˮ�� ռ�,��

………………

2 �Y(ji��)��cӑՓ

3 �Y(ji��)Փ

��Ƶĸ�ͨ��PVDF�п��w�S��ˮ΢�� Ĥ,��ͨ�^VMD�^�̌�ʯ��I(y��)�Uˮ̎��RO�� ˮ�M(j��n)��̎��ˮ��΢��}�ĳ��e��VMD�^ ��ͨ��͵��Ҫԭ��,��M(j��n)��m��(d��ng)̎��ȥ�� ΢��},��^��ͨ��ı��,��ն�O��095 MPa��ԭˮ�ض�70�� ,��0��66 1TI·S,��ėl��£�� (j��ng)�^��Ӳ�A(y��)̎��RO��ˮ��VMD�^��ͨ��_(d��) 25��83 kg·1TI-2oh��,��s��20��r,��ͨ��10 kg·nl��·h��,��^�̮a(ch��n)ˮ늌�(d��o)�ʱ��4 IxS·cm ��,��Ó�}��_(d��)99��99��a(ch��n)ˮCOD��(w��n)��35~45 mg·L �g,��

Ԕ��(x��)��(n��i)��Ո�鿴��֣�

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