��ٟ��l(f��)늏S��B�VҺ̎��ˇ��

��r�g��2009-07-14 11:57 ��Դ�� : ��x��2557

1,��
��
�S��g�İl(f��)չ�ͳ��л��M�̵ļӿ죬��y(t��ng)�ĳ��̎��ܵ�Խ��Խ��,��̎��o��,��p��YԴ��Ļ��ԭ�t��ٟ��l(f��)��ѳɞ��Q��·��һ��·��,��Ŀǰ��Ȍ��B�VҺ̎��ˇ��о��ͣ��S�B�VҺ̎��A��,��ٟ��l(f��)늏S��B�VҺ�c��S�B�VҺ��c�Ĳ,��ܺ��ε��á�
��
2,��ٟ��l(f��)늏S��B�VҺ�c��S�B�VҺ��c��^
��־Gɫ��Դ�_�l(f��)��޹�˾��ٟ��l(f��)늏S��B�VҺ�c��ĳ��S��B�VҺ��ˮ�|��cҊ��һ,��

��
2.1 CODcr��BOD₅
��
��S��B�VҺ��CODcrƽ��ȶ��2500~5000 mg/L��ң�BOD5ƽ��ȶ��1450 ~2000mg/L��,��BOD5/ CODcr��0.50��,��һ�㡣��Sһ��¶��,��Ⱦ��ˮӰ��^��,��׃��Ҳ�^��һ��,��CODcr,��BOD₅��BOD₅/ CODcr�S��S��‘��g’��L��,��A�Ⱥ��t��,��
��
�ٟ��S��B�VҺ��CODcrƽ��ȸ��_10000~20000 mg/L��BOD₅ƽ��ȸ��_3800~5000 mg/L,��ஔ��,��ٟ��S��B�VҺ��ԭ��B�VҺ��Ǯ��B�VҺ,��δ��l(f��)��,��ˮ�⡢�ữ�^��,��Ⱥ��籽,��Ƶ��s�h(hu��n)��N��,��h(hu��n)��N,��ӡ����,����y��ЙC��,��ˮӰ��^��S��B�VҺС��BOD₅/ CODcr��0.38��,��^��S��B�VҺ��Ը��,��
��
2.2 ��ߣ��ؽ��ٺ��
��
�ٟ��S��B�VҺ�а��,��^��,��o��̎�펧��һ��y�ȣ��Å��̎��󣬝B�VҺ��һЩ�y��ЙC�ﱻ�ữˮ��С��ӻ��,��S����ȵķֽ�߀��һ��̶ȵ��,��B�VҺ��F��U,��\,��}�ĝ�Ⱦ��^�ߣ��һ�׺��m�Ĺ�ˇ��̎��Ч��P��Ҫ,��
��
3,��̎��ˇ
��
�҇��F�г��S��B�VҺ��Å��Ӻ��̎��ˇ��{��,��ѽ��ɵĝB�VҺ��ˮ̎��ձ��\��Ч��F��,��ԭ��Ѓ��c��1��B�VҺ�M��ˮ̎��֮ǰ�ѽ��v��^�L�r�ڵą��l(f��)��^��,��ʹ�Å��ˮ��,��ữ��ˇ�Ѳ��m�á�2,��B�VҺ�а��,��һ��෨̎��ˇ��ⰱ��Ч��^��,��߀��B(y��ng)��B(y��ng)�õ��y�ԾS�ֵĬF��,��
�C��҇��S��B�VҺ̎��ˇ��ٟ��S��B�VҺ��c��҂��¹�ˇ�M��о�,��

��
��
3.1 ��ˇ��
��ˇ��Ҋ�D1
��
3.2 ��ˇ�f��
��
��B�VҺ��^��ź�,��ȥ�B�VҺ�еđҸ��ＰƯ���M��{��(ji��)��,��UASB��ʽ��M�Ѕ��l(f��)��,��a��Ӛ��ٟ��t��ȼ,��Óˮ��ٟ�,��ˮ��CaO�{�A�Ⱥ��M��CASS��CASS��һ�N��^�õ�Ó��׹��ܵ�ѭ�h(hu��n)�gЪ̎��ˇ,��ϵ�y(t��ng)��v�Mˮ��,��ڡ��,��ˮ�ںʹ��C��5��A��,��CASS��ַ֞��^(q��)��һ�^(q��)��x��^(q��)��^(q��),��^(q��)��^(q��),��ˮ��x��^(q��)��ȿ��ϵ�y(t��ng)�ķ�(w��n)��ԣ��ֹ�a��q,��ֿɰl(f��)��^�@��ķ��,��ˮ��x��M��^(q��)�ͺ��^(q��)��ԓ�^(q��)��Ҫ��ɽ��ЙC��/��^��,��ٽ��ں��,��

4��ԇ򞲿��
��
4.1 ԇ򞷽��
�� D1�Ĺ�ˇ��ڌ��Сԇ,��UASB��һ��ϩ��,��O��x��ݷe��5L,��CASS��һ�L��ξ��ϩ��,��O��壬�ݷe��5L,��
��
4.2 ԇ��ˮ
��
ȡ�Ԍ��ٟ��S��B�VҺ�س�ˮ,��ˮˮ�|��rҊ��2��ı�2��֪,��UˮBOD₅/ CODcr =0.335,��^�

��
4.3 ��N�ĺY�x��Z��
��
UASB��cCASS��քeȡ�Ԍ��ˮ̎��S��ؼ��,��Z��r�Ȍ��B�VҺ�c��ˮ�𲽰�1��10,��1��6��1��3,��1��1,��2��1��4��1�ı��Ƴɻ��ˮ�M��A��ʽ�Z��,��ֱ��Mˮȫ��B�VҺ,��Ͷ��ԇ򞡣��ԇ��_ʼǰ,��҂��CASS��ȵĻ��M�О��3��µ��B(y��ng)��Z��,��Z��Y�x��B(y��ng)��еĸ�ЧÓ��@�Ǳ��ˇ��P�I,��L��Z��ĽY��,��CASS��ȿ��1000 mg/L��ϵĸ߰��Mˮ��ͬ�r��ؽ��Ķ��,��
��
4.4 ��Ŀ�ͷ��
�� CODcr,��BOD₅�� NH4-N��Ȱ��ˮ�͏Uˮ�O(ji��n)�y��棩��M��,��
��
5,��ԇ�Y��cӑՓ
��
5.1 UASB��ԇ�Y��
��
�Y��Ȟ�7.5g/L��ͣ��r�g��48H�r,��CODcrȥ��߿��_75.5%,��BOD5ȥ��ʞ�56.5%��NH4-N��ڱ����ķֽ��,��ݷeؓ��Nv�_��5.0g/L.d��,��a��@��࣬��ڮa��,��쓽�F��ʹ��̎��һ�N�ܺõĄӑB(t��i)��Ϡ�B(t��i),��UASB��ữˮ�⣬BOD₅/ CODcrֵ��@��,��m(x��)��̎��,��
UASB��ˮҊ��3

��
��
5.2 CASS��ԇ�Y��
��
�҂��CASS��ȸ��،�CODcr��NH4-Nȥ��ʵ�Ӱ푣��_��r�g,��ˮ��r�g,��C�r�g��gPH��׃��r�g��,��Դ_��CODcr��NH4-N��ȥ��Ч��,��
��
5.2.1 PHֵ�Ĵ_��
��
��һ��ÉA�^�̣�ƽ��ÿ��1 mg NH4-N��Ҫ7.07 mg�A�ȣ��CaCO3Ӌ��,��mPH=7.5~8.5,��ڱ��δ��Mһ��о��ڏUˮ�м�CaO�{��(ji��)PH,��CASS��PH��7.5~8.5֮�g,��
��
5.2.2��r�g��CODcr��NH4-Nȥ��ʵ�Ӱ�
��
�ڸ�Ӱ��У��r�g��Ҫ�\�Ѕ��,��r�g��CODcr��NH4-N��ȥ��,��̝��t�Ȍ�SBR��̎��S��B�VҺ��о��ڱ�ԇ��,��Ȟ�5 g/L�r,��׃��r�g��z�CODcr��NH4-Nȥ��ʣ��Y��Ҋ��4

��
��4�Y��,��Ȟ�5 g/L,��e�Õr�g6h��PH=8.0�ėl��,��ѷ��r�g��36h��CODcrȥ��ʞ�89.5%,��NH4-Nȥ��ʞ�95.2%,��

5.2.3��Ȍ�CODcr��NH4-Nȥ��ʵ�Ӱ�
��
��4��ԇ�Y��_��r�g36h��e�Õr�g6h,��PH=8.5�ėl��,��׃��ȁ��^��CODcr��NH4-N��ȥ��ʣ��x��Ȟ�3.5 g/L,��5.0 g/L,��6.5 g/L��8.0 g/L��ԇ򞅢��Y��Ҋ��5,��

��
��
�ı�5��Կ��,��Ȟ�8.0 g/L�r��CODcrȥ��,��Ȟ�6.5g/L�r,��NH4-Nȥ��ߣ��@�f��ȵ��mȻ��CODcrȥ��,��S֮�ܽ��Ҫ��,��ʹ��Ă��|��y��ܝM��L��x��Ҫ,��̎��Ч��,��
��
6 �YՓ
��
��1��UASB��-CASS��ˇ��ԇ�õ��\�Ѕ��
�� UASB��,��Ȟ�7.5g/L,��ͣ��r�g��48H��
�� CASS��r�g36h,��e�Õr�g6h,��PH=8.0��Ȟ�6.5g/L,��
��
��2��B�VҺ��ˇ̎��Ĕ��Ҋ��6,��\�Зl��£�ԭ��B�VҺ��CODcr��NH4-N�քe��10000 mg/L��510 mg/L��191.1 mg/L��18.88 mg/L,��CODcr��ȥ��ʞ�98.1%,��NH4-N��ȥ��ʞ�96.3%��ԓ��ˇ��^�õ�̎��ٟ��S��B�VҺ,��