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��ĳơ��޹�˾Ŀǰ��a��30×104 t/a��Uˮ��Ҫ��Դ�У��ѿ��a�^�̵�ϴ��ˮ,��ˮ,��l(f��)ѿ��؇��Fˮ��ˮ,��ϴ��ˮ,��ϴ��ˮ��ǻ��^�̵��ǻ�,��^�Vϴ��ˮ,��l(f��)��^�̵İl(f��)�͹�ϴ�졢�^�Vϴ��ˮ,��b�^��ϴƿ,��ƿơ�ƣ��sˮ�ͳ�Ʒ܇�gϴ��ˮ,��Լ��k��,��ʳ�ú�ԡ�ҵ��ˮ��

1 �Uˮ�śr

1.1 ��ˮ̎��Ҏ(gu��)ģ

ԓ��ˮ̎��վ̎��Ҏ(gu��)ģ��1800 m3/d,��иߝ�ȏUˮ��Ҫ�ǰl(f��)�͏Uˮ��400 m3/d,��е͝�ȏUˮ��1400 m3/d,��

1.2 ��ˮˮ�|

ԓ��ˮ̎��վ�Mˮˮ�|Ҋ��1��

��1��Uˮˮ�|,��ˮ��

�Uˮ�N�	ˮ��(t/d)	COD_Cr(mg/L)	BOD₅(mg/L)	SS(mg/L)	pH
�ߝ�ȏUˮ	400	3000��8000	1400��4500	200��600	5��7
�е͝�ȏUˮ	1400	600��800	200��400	200��400	6��9

1.3 �ŷ�Ҫ��

��(j��)��?sh��)حh(hu��n)��T��Ҫ��,��ŏUˮ��_��ˮ�C��ŷŘ˜ʡ�(GB8978-1996)һ��˜ʡ��wָ��Ҋ��2,��

��2��?sh��)؏Uˮ�ŷ�Ҫ��

�Ŀ	COD_Cr��mg/L��	BOD₅��mg/L��	SS��mg/L��	pH
��ˮ�C��ŷŘ˜�	100	30	70	6��9

2 ��ˮ̎��ˇ��

�ߝ�ȏUˮ��M��UASB��̎��,��c�е͝�ȏUˮ��M��̎��

UASB��ַQ��ʽ��෴��,��ԓ�O��ײ��O��ˮ�b��,��픲��O��x��ͼ�ˮ��ˮ�b�á�

UASB��ˮ�c�е͝�ȏUˮ��M�녒��—��̎��ϵ�y(t��ng),��

�ߝ�ȏUˮ��,��W�r�ش��s�|��M��{��(ji��)�أ��{��(ji��)�ؾ��|��,��ˮ��M��UASB ��,��UASB ��ˮ��е͝�ȏUˮ�{��(ji��)�أ��ȫ��Ϻ��ñ��M�녒��—��̎��ϵ�y(t��ng),��ٽ��س��ˮ�_��ŷ�,��

3 ��ĽӷN

��B(y��ng)�c�Z��ɚw�{�鮐��Z��ͬ��Z��ͽӷN��Z��,��Z��B(y��ng)��Z��,��ͬ��t��B(y��ng)��Z��ͬ�r�M�л��M��,��ӷN��t��ˮ̎��S��ʣ��M��B(y��ng)�Z��,��ˮ̎��S��Ҫ��ýӷN��@�Ӽ��Z��Ч��,��ܿs��B(y��ng)�Z��ĕr�g,��Ķ��s��{ԇ�r�g��

��̹�ˇ�{ԇ��ԓ�S��̎ƫƧ,��]��ˮ̎��S,��\��M��̫�ߡ��ҹ�˾�{ԇ�ˆT�l(f��)�F(xi��n)��ԓ�S�Uˮ�ŷŜ��L��Ȼ��ࣨ��ԓ�؅^(q��)�K��ر��15��,��ˮ�ϏUˮ��ƽ��,��300��L�Ĝϵ��Ȼ��L��Ļ��Ծ��N��쌢�ϵ��\��Uˮ̎��վ��ӷN��N,��

ǰ��UASB��gЪ�}�_�Mˮ��ʽ,��ھ��N��m��ơ�ƏUˮ��˲��Z��,��ֱ��Ӹߝ�ȏUˮˮ��OӋؓ��,��

��B(y��ng)�Z��څ��—��̎��ϵ�y(t��ng)�м��е͝�ȏUˮ,��m��ӠI�B(y��ng)��|��u��Mˮ��,��׌��еľ��N��u��Ĥ��,��

4 �\�нY��

4.1 UASB��\��Ч��

UASB��ݷeؓ�ɞ�8.7 kg COD/(m3.d),��ˮ��ͣ��r�g��9.0 h,��

�\��Ч��Ҋ��3��

��3��UASB��\��Ч��

�r�g	pH		COD_cr��mg/L��			BOD₅��mg/L��
�r�g	�Mˮ	��ˮ	�Mˮ	��ˮ	ȥ��(%)	�Mˮ	��ˮ	ȥ��(%)
11:00	6.45	6.32	5476	1870	65.85	2874	1071	62.7
13:00	6.78	6.51	6770	2246	66.82	3127	1472	52.9
15:00	6.58	6.43	4971	1692	65.96	2479	962	61.2
17:00	5.93	5.78	4237	1179	72.17	2074	873	57.9

��3�Y��ǏUˮ̎��վ��\��1��ں�ĳ�ՏS�ȱO(ji��n)�y��T�z�y�Y��,��ĽY��Ͽ�COD��ȥ��_65%��,��UASB��0.7��1.2mm��w��F(xi��n)��

4.2 ��—��ϵ�y(t��ng)��\��Ч��

��̎��ϵ�y(t��ng)��ݷeؓ�ɞ�2.75 kg COD/(m3.d),��ˮ��ͣ��r�g��4.0 h,��̎��ϵ�y(t��ng)��ݷeؓ�ɞ�0.26 kg COD/(m3.d)��ˮ��ͣ��r�g��25 h,��\��Ч��Ҋ��4,��

��4��—��ϵ�y(t��ng)��\��Ч��

�r�g	pH		COD_cr��mg/L��			BOD₅��mg/L��
�r�g	�Mˮ	��ˮ	�Mˮ	��ˮ	ȥ��(%)	�Mˮ	��ˮ	ȥ��(%)
11:00	7.23	7.38	1274	83	93.5	673	18	97.3
13:00	7.08	7.14	1071	78	92.7	547	17	96.9
15:00	7.47	7.38	872	67	92.3	439	11	97.5
17:00	7.29	7.28	864	67	92.2	431	10	97.8

5 �{ԇ��Y

��1��{ԇ�ĽӷN��Nȡ��ԓ�S�ďUˮ�ŷŹܜ��У�ԓ��N��ԓ�S�Uˮ��Ȼ��ֳ��L��,��˾��m��ԏ�,��Ըߵă�(y��u)�c��Ŀs��ԓ��̵��{ԇ��,��Ķ��(ji��)ʡ�˴��M��,��

��2��ơ�ƏUˮ��ȱ�٠I�B(y��ng)��ף��{ԇ�ˆT��_ʼ�a��I�B(y��ng)��^��},��Ͷ�Ӄ��l(f��)�F(xi��n),��еĻ��Ծ��N�ɫ�ɵ��Sɫ�D׃?y��u)��ɫ,��ͬ�r��ˮЧ��׃��,��о��l(f��)�F(xi��n)�^��}��Ծ��N��Џ��ҵ��ԣ��Ķ��ɾ��N��,��S��ļ��cϵ�y(t��ng)��һ��ں��ȫ�֏�,��ڏUˮ��̎��У��I�B(y��ng)��x��},��c�},��Ҫ�x��N�п��Ե��}�}��@�ڏUˮ��̎��{ԇ�\��Ͼ��Ҫ�ĬF(xi��n)��x,��

��3��UASB��,��{ԇ�ˆT��50mg/L��Ͷ��80Ŀ�ķ�ĩ��̿��һ��º�UASB��м��F(xi��n)��0.71.2mm��w��,��s��UASB��Ć��ӕr�g,��

��4��UASB+��+��ϵĹ�ˇ��ơ�ƏUˮ,��Ҫ̎��Ԫ��OӋ��(sh��)�飺

UASB�� ݷeؓ�ɞ�6.5��8.5 kg COD/(m3.d) HRT:8��12h��

��̎��ϵ�y(t��ng)��ݷeؓ�ɞ�2 ��3 kg COD/(m3.d) HRT:4��6h,��

��̎��ϵ�y(t��ng)��ݷeؓ�ɞ�0.2��0.3 kg COD/(m3.d) HRT:24��30h,��

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