��˹��ˮ̎��ϵ�y(t��ng)��䑪��

��r�g��2008-01-30 14:19 ��Դ�� : ��x��2504

��˹��(Constructed Wetlands,CWs)ϵ�y(t��ng)̎��ˮ��20��o70��l(f��)չ��һ�N��ˮ̎��g,��ھ��Ѓ��Ч��á��ˇ�O�了��,��\�D�S�o��,��ܺĵ͡��ؓ��׃��m��ԏ�,��̻��\��M�õ�,��Ɍ��F(xi��n)�Uˮ��YԴ��c��Խ��Խ��صõ��˂��Pע,��

��҇��“��”��g�_չ�˹��ص��о�,�քe�ڱ��ƽ,��ڰ��ӡ��ȵؽ��ɲ�ͬ̎��Ҏ(gu��)ģ��˹��̎��,��@Щ̎��ϵ�y(t��ng)��ɱ��˹��,��ڝ��˹��ص��о��^�٣��Ҵ��Փ̽ӑ��?q��)��о�,��Փ��˹��ص��,��c��ɼ��õĻ��A�ϣ�ָ��˹��ϵ�y(t��ng)�đ��ǰ��о��,��

1 ��˹��̎��ϵ�y(t��ng)��ͼ��c

��(j��)��ˮ��˹��е��ӷ�ʽ��԰��˹��؄��֞��ɱ��˹��غ͝��˹��,��ɱ��˹��غ��Ȼ��ƣ��Uˮ�ĝ�ر��^,��@�N��͵��˹��ؾ��Ͷ�Y��,��Ρ��\��M�õ͵ȃ�(y��u)�c,��ȱ�c��ռ��e��,��ˮ��ؓ�ɵͣ�ȥ��,��ܚ��Ӱ��^��,��ļ��ω��ɢ�l(f��)��ζ��͝��ϵ�y(t��ng)��,��ˮ�ڝ�ش��ı��,��ϱ��L��Ĥ��ֲ��ϵ��ϵĽ��Ã��ˮ,��ɵ��˹��У��˹��ռ�ஔ��ı��,��mʹ�õĴ�s80��˹��ϵ�y(t��ng)��,��ռ45��˹��ռ33��,��˹��ռ14��,��W��,��Ĵ��Ϸǵȵ��ѽ��ɵĺ��ڽ��O��˹��̎��ϵ�y(t��ng)��,��󲿷��ǝ��͝�ش��

��(j��)��ˮ�ڝ��ӵķ��ͬ�Ɍ��͝��ϵ�y(t��ng)�֞�ˮƽ��˹��غʹ�ֱ��˹��2�N��,��ͬ��͵ĝ�،��Ⱦ��ȥ��Ч��ͬ,��и��Եă�(y��u)ȱ�c��

��,��ˮƽ��ϵ�y(t��ng),��ˮƽ��˹��ˮ��һ��ˮƽ��^��ϴ��һ��ׂ��ϴ��M��,��w��|(zh��),��c��ɱ��˹��ȣ�ˮƽ��˹��ص�ˮ��ؓ�ɺ��Ⱦؓ�ɴ�,��BOD,��COD��SS,��ؽ��ٵ��Ⱦָ�˵�ȥ��Ч��,��Һ��А��ω�F(xi��n)��ǰ��H��^��о��͑��õ�һ�N��̎��ϵ�y(t��ng),��ȱ�c�ǿ��s,��Ó��׵�Ч��紹ֱ��˹��,��

��,��ڴ�ֱ��ϵ�y(t��ng)��ڴ�ֱ��˹��ˮ�ĝ�ر��v��ϴ��ĵײ�,��w̎�ڲ�͠�B(t��i),��ͨ�^��Uɢ��ֲ��ݔ�M��˹��ϵ�y(t��ng)��ԓϵ�y(t��ng)��ˮƽ��أ��̎��^�ߵ��ˮ��ȱ�c�ǌ��ЙC��ȥ��ˮƽ��˹��ϵ�y(t��ng)��ɣ��ˮ�r�g�^�L,��s,��

2 ��˹��صĘ��

��˹��Ҫ��3��ֽM�ɣ��|(zh��)��ֲ��Ͳ�ˮϵ�y(t��ng),��Ŀǰ�˹��ϵ�y(t��ng)��õĻ��|(zh��)��Ҫ��,��ʯ��[ʯ,��ú�K,��ɳ��ɰ,��ú��,��׽��|(zh��)(LECA)��ʯ�͹��I(y��)�U��е�һ�N��׷N�M�ϵĻ��,�,��|(zh��)һ��ֲ��΢��L�ṩ��|(zh��)��һ��ͨ�^��e,��^�V��ֱ��ȥ��Ⱦ��,��˹��ʹ�õ�ֲ��Ҫ��ѡ��JȔ,��Ĳݵ�,��@Щֲ��ӝ�ػ��|(zh��)��ˮ�ԣ��߀��c�܇��h(hu��n)��ԭ��,��΢��γɸ��NС�h(hu��n)��,��ݔ��^(q��)��γ��ĸ��H΢��B(t��i)�h(hu��n)��,��@һ΢��B(t��i)�h(hu��n)��к܏��ă��Uˮ��,��s40��ĝ��͝��ֻ�Nֲ��һ�Nֲ��,��W�އ��҄t��(sh��)�Nֲ�JȔ,��Ҳ��һЩϵ�y(t��ng)�Nֲ�˶�N�M��ֲ���ˮϵ�y(t��ng)��Ҫ�ǌ��Mˮ��һ��ʽ��طֲ��̎��ϵ�y(t��ng)��,��ұ��C��l(f��)��Ͷ��,��ڝ��˹��̎��ϵ�y(t��ng)�ж��ô��׹ܲ�ˮϵ�y(t��ng)��

3 ��˹��صă��Ч��

3.1 ��ЙC��ȥ��

��˹��ص��@��c֮һ��䌦�ЙC��Ⱦ��^��Ľ��,��ˮ�еĲ��ЙC��ͨ�^��صĳ��e,��^�V��ã��Ժܿ�ر��΢��ã��ˮ�еĿ��ЙC��t��ͨ�^ֲ��ϵ��Ĥ��,��ռ��x�^�̶��ֽ�ȥ��,��Y�ϱ��˹��ϵ�y(t��ng)�ĳ�ˮˮ�|(zh��)��(y��u)�ڂ��y(t��ng)�Ķ��̎��

3.2 ��ȥ��

��˹��،��ȥ��ð��,��^�V�ͳ��e,��]�l(f��)��ֲ��պ�΢��ͷ��ã�΢��ͷ��ڵ��ȥ��^��Ҫ��,��ڝ��͝��ϵ�y(t��ng)��,��Ҫ��Դ��ֲ��ϵ��@�N��Ƿǳ��޵ģ��@�ͷ��K��κ��(j��ng)ԓˮ��ˮ��ʮ��ã��ߝ��͝�صĹ��,��Բ��Եظ�׃ˮ��ʹ��ϵ��v��,��ӱ�¶ˮ��ر��^(q��)�Դ��M��ã��gЪ��ˮ�ķ�ʽ,��Լ��l��ע�˺�ѭ�h(hu��n)�Ķ��ƽ�д�ϵ�y(t��ng)ʹ��е��M�뵽��|(zh��)�еȷ��Platzerָ��,��͝��ϵ�y(t��ng)�ߵă��Ҫ��Ч��ͨ��,��BOD��COD,��ȥ��ܸ�,��ȥ��s��ޡ�Green[12]�о��ϵ�y(t��ng)��ķֲ��S�r�g�Ϳ��g��׃��ͨ�^�o��ϵ�y(t��ng)��Oݔ��,��ʹϵ�y(t��ng)��M�⣮��Ӄ�(n��i)��ܽ��ĺ��ϵ�y(t��ng)��,��Y��˰��ȥ��

3.3 ��׵�ȥ��

��˹��،��׵�ȥ��ð��,��W��e,��ֲ��ա�΢��õ�,��л��|(zh��)��Ҫ��,��|(zh��)��|(zh��)��׵�ȥ��кܴ�Ӱ�,��Zhu��о��V,��}��F,��X��׵��Pϵ,��l(f��)�F(xi��n)�}�c�׵��P��GellerҲ�J��}�c�F,��X��Ȍ��׾��и��ĽY��,��͝��ϵ�y(t��ng)��׵�ȥ��Q��@Щ�V�|(zh��)Ԫ��ڻ��|(zh��)�еĺ��A Drizo�ȱ��^��7�N��|(zh��)��׵�ȥ��,��l(f��)�F(xi��n)�w�Һ�퓎r��գ�Ȼ��X��V,��ʯ��ʯ��C�ϱ��^��N��ܣ�A.Drizo�J��퓎r��m��靓��͝��ϵ�y(t��ng)�Ļ��|(zh��),��H��Brizo�ȷ��13�N��ͬ�؅^(q��)ɳ��|(zh��)�ͳ��,��@Щɳ��׵�ȥ��e�O�󣬛Q��׵�ȥ��ɳ��}�ĺ��,��ͬ�rҲ�о��һЩ�˹��ϳɻ��|(zh��)�ĳ��,��J�錢�@Щ�˹��|(zh��)�е�һ�N��׷N��ɳ��ʹ�ÿ��@��ߝ��͝��ϵ�y(t��ng)�ĳ��

4 ��˹��صĽ�(j��ng)��

��r��\��M��˂��x��OӋ��ˮ̎��ˇ�r��횿��]�Ć��},��37��ˮ̎��ϵ�y(t��ng)��r,��19��ص�ƽ��r��55000��Ԫ/hm²��18��ϵ�y(t��ng)��ƽ��r��215000��Ԫ/hm²��,��Ҫ�~��Ďrʯ��M��,��ԝ��ϵ�y(t��ng)��r��ɱ��ϵ�@�ߣ��Ǿ�ؓ��Ӌ��,��ϵ�y(t��ng)�@ʾ��(y��u)Խ��,��ϵ�y(t��ng)��r��163��Ԫ/m³��ɱ��ϵ�y(t��ng)��206��Ԫ/m³,��(n��i)һЩ��ҹ��,��˹��ˮ̎��ϵ�y(t��ng)��ռ��e��s��˹��ϵ�y(t��ng)��ʮ��֮һ��M�ô�s��130—150Ԫ/m²,��

5 ��˹��صđ��

��_չ�˝��˹��ص��о�,��ڵĝ��͝��̎��ϵ�y(t��ng)��Ҫ��̎��ˮ��ˮ̎��S��ˮ��(j��ng)�^��30��о��c�l(f��)չ,��ԓ��g�ѽ�(j��ng)��Ӣ��,��m,��,��Ĵ��,��m��S��ҵõ��ƏV,��һЩ�l(f��)չ�Ї��Ҳ�_ʼʹ�øļ��g��Q��(n��i)��ˮ̎�톖�}��c��ͬ�r��÷��늲��U��,��̎��ˮ��,��߀��ڹ��I(y��)�Uˮ��r(n��ng)�I(y��)��Դ��Ⱦ,��B��Һ��ꏽ��ȶ�N�Uˮ��̎��,��F(xi��n)��õă��Ч��

6 �Y��Z

��ɹ��õČ��`�C��,��˹��һ헷ǳ��Ч��ˮ̎��g,��͇��,��(n��i)��о��󣬹P��J��_չ��ׂ��о�,��ͨ�^�Y�x��ۺ̓��ֲ��Ʒ�N��M�Ѓ�(y��u)��M��,��_��õ��{(di��o)�؝��˹��صă��Լ��ϳ��о��^��O��Ҫ��ͬ�r��m�˵ĝ��B(t��i)ϵ�y(t��ng),��ʹֲ��L,��ְl(f��)�]��N��ܡ��ϵ�y(t��ng)��о��˹��΢��Nֲ�Ҏ(gu��)�ɺ��ÙC�ƵĻ��A��,��ͨ�^��Ч΢��ĺY�x,��˞��m��?sh��)ظ��΢��Ⱥ��Y��{(di��o)�؝��ϵ�y(t��ng)�ă��^�̣��Ķ��˹��ϵ�y(t��ng)��\��Ч��,��ͨ�^��|(zh��)�M�кY�x��˹��ϳ�,��˹��،��׵ĳ��m(x��)ȥ��Ч��ܑ��B(t��i)��̵�ԭ��ͷ��˹��ϵ�y(t��ng)�M�И��{(di��o)��,��ڝ��ܵ��\��B(t��i)ϵ�y(t��ng)��յĿɳ��m(x��)��,��ͨ�^��ׂ��о��m��҇��Ͳ�ͬ��c�ĸ�Ч��˹��̎��ϵ�y(t��ng),��ʹ��҇��õ��V��đ��ú�׵�V��

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