�A̎��A/O��ˇ̎��ţ�в��Uˮ

��r�g��2012-09-10 11:03 ��Դ�� : ��x��2441

��f�칤��޹�˾��T��a(ch��n)�ߙnţ�в�,��a(ch��n)�Uˮ�е��Ⱦ��Ҫ��޼��w�S�ϵ��}�,���֬��Լ��ڼӹ��^��Ͷ�ӵĝ{�ϡ��򻯺�Ⱦ��,��Ԅ�,��A�ȣ�ʹ�ÏUˮˮ�|��Ӵ�,��ɷ֏��s,��ҏUˮ�ģ�/��ֵ�^�ͣ��o�\��{ԇ��ܴ��y,��

1 ˮ��ˮ�|

�OӋˮ��50m3/h,��{ԇ��ڵ�ˮ�|��rԔҊ��1��

��1 �{ԇ��ڵ��M,��ˮˮ�|

�Ŀ	COD (mg/L)	BOD₅(mg/L)	��(mg/L)	ɫ��(��)	pH
ԭˮ	1600��2700	200��300	80��260	800��4000	9��12
��ˮ	80��110	20��30	0.5��1.2	30��50	6��9

2 ��ˇ��̼��

2.1 ��ˇ��

�A̎��A/O��ˇ��A̎��β��A�ؚ�+FeSO4+��ЧÓɫ��+��ˇ,��̎��β��UASB+��|��ˇ��ˇ��D1��ʾ,��

�D1��ˇ��

2.2 ��

�� A�ؚ��{��(ji��)��1��,��䓽��Y��؃�(n��i)�Oɢ��ؚ��,��ˮ�Ȟ�3.5��1,��HRT=8h��Ч�ݷe��400m3,��

�� 1��,��䓽��Y��HRT=2.8h,��Ч�ݷe��140m3,��

�� |��1��,��䓽��Y��18��,��γ��Ч�ݷe��24m3,��؃�(n��i)��ɢ��ؚ��ͽM��ϣ��OӋ�ݷeؓ�ɞ�1.0kgBOD5/(m3·d),��ܽ��2��4mg/L,��ˮ�Ȟ�18��1��

�� 1��,��䓽��Y��,��OӋ��ؓ�ɞ�2m3/(m2·h)��HRT=1.8h,��Ч�ݷe��90m3,��

�� UASB��1��ƽY��,��OӋؓ�ɞ�5kgCOD/(m3·d),��HRT=24h��\�МضȞ�(35±1)��,��Ч�ݷe��1200m3,��

�� Ч��1��̖��H�ã�-1000(��),��

�� Cе��1�_,��̖��GSXG-300��

�� ԄӰ�򉺞V�C1�_,��̖��XMZ80/1000,��

3 ��B(y��ng)��Z��

3.1 ��B(y��ng)��Z��

��s��ϵ�y(t��ng)�{ԇ��ڣ��ú��Ĥ��B(y��ng)��Z��c��ͬ�r�M��,��Ԫ��O��˳�Խ��{ԇ,��{ԇ��g��Ⱥ�ӷN�˃ɴΣ��һ�νӷN��ĳ�ƏS�ľ��Uˮ��̎��ϵ�y(t��ng)�ĺ��,��ڮ��r�S��ŷŵ�ȫ��򻯺ڏUˮ��ʹ�Mˮ��^��,��ʺ��B(y��ng)ʮ��y,��팦�A̎��ϵ�y(t��ng)��^��{��ᘌ��Ե��FeSO4��Óɫ��Ͷ��,��ʹ��^�m(x��)��B(y��ng),��

�ڶ��νӷN��ĳ�޼��SӡȾ�Uˮ��ϵ�y(t��ng)��Óˮ��࣬�ӷN��ݷe��20%,��ˮϡጐ��2d��,��_ʼ��뽛(j��ng)�^�A̎��ţ�в��Uˮ,��Mˮ��OӋ��30%��ؚ��OӋ��\�Еr��40%,��ţ�в��Uˮ��ж��|��^��(�؄e��Ⱦ��),��B(y��ng)��g�Ӵ��A̎��ϵ�y(t��ng)�ļ�ˎ��ʹ��ˮ��<80mg/L,��COD<1200mg/L;��Mˮ��12h��o��1.5��2h��ų��Һ��ٴ��Mˮ,��ӡȾ�Uˮ�Ŀ��Բ�Uˮ�еĠI�B(y��ng)�ﲻ��ԾS�ֺ��΢��L��ֳ,��Mˮ��ͬ�r,��Ͷ��һ��߻��(ᘌ�ӡȾ�Uˮ��ƵĠI�B(y��ng)��|)��ˮ�е�̼Դ,��΢��Ļ��,��

�gЪ�Mˮ�ؚ�3d��_ʼ��L��S��ȵ��L,��u�Ӵ��Mˮ��(�քe��OӋˮ��40%,��50%��60%,��80%,��100%)��ؚ��Ҳ��Ӵ�,��_ʼ�{ԇ��Mؓ��\�й��28d,��ݷeؓ��ߵ�0.7kgCOD/(m3d)�r�ؚ�r�g��L��24h��30��r�^��ϒ��гʺں�ɫ��Ĥ(��s2mm),��ȡ�ؚ�؃�(n��i)��ˮ��ͨ�^�R�z�^��΢��(sh��)��^��,��^��

��B(y��ng)�c�Z��,��ţ�в�Ʒ�N�Ĳ��ˏUˮˮ�|�ľ޴��e,��o��B(y��ng)��S��y��ԭˮCOD��1600��2700mg/L׃��,��ʹ�ЙCؓ�ɺ��ߺ��Ͷ��ϵ�y(t��ng)��\��,��˕r��ȡ��´�ʩ:

һ�Ǹ�׃��߻��Ͷ��ǼӴ��˶��صĻ��m��p��Mˮ��,��

��{ԇ��ڵ��M,��ˮˮ�|��Կ��M��Mˮ��^��,��ں��δ��B(y��ng)��,��Ĥ��δ��ü��Mˮ��^�ߣ��ʹ��ˮCOD��,��

3.2 ��B(y��ng)��Z��

��ĽӷN��ʽ�c��ͬ,��Ҳ�ǲ��gЪ�Mˮ��\�з�ʽ,��ͬ�r�齵��Mˮ�ě_��ؓ�ɣ��˃�(n��i)ѭ�h(hu��n)��B(y��ng)��Z��ʽ,��

�څ��ӷN�r�xȡ�˸ߝ�Ⱦ��Uˮ̎��ϵ�y(t��ng)�ą��(12kgVSS/m3),��Դˁ��ӿ��چ��ӵ��ٶȡ��ӷN��酒��ݷe��40%,��_ʼ��ӕrʹ�Uˮ�c��ˮ��,��ؓ�ɿ��0.5��1.0kgCOD/(m3d)��˝M��ٺͷ�ֹ��c��С��ɢ��Ʌ��ϴ��,��ÿ�켯��Mˮ6h;ͬ�r�_��y�ԜpС��ϵ�y(t��ng)�ě_��,��@�Ӵ�sһ�ܺ��^�쵽�д��ݳ��F(xi��n)��ؓ��2kgCOD/(m3d)�r,��^��څ�ڳ��,��u�Ӵ��Mˮ��@��,��ؓ�ɏ��_ʼ��0.5kgCOD/(m3d)��ߵ�4kgCOD/(m3d)�H��55d,��

�څ��B(y��ng)��Z��У��@��Mˮ�ЙC��,��Լ�pHֵ��Ӱ�,��Ǯ�pH>9�r��ϵ�y(t��ng)�ĳ�ˮˮ�|�ܿ�׃���Ҳ�ܿ�p��;��pH=11��12�r�t��^�첻��,��,��B(y��ng)��Z��r��pHֵ��ÿ��6.5��8.0��

4 ϵ�y(t��ng)(li��n)��\��{ԇ

4.1 �A̎��ϵ�y(t��ng)�\��{ԇ

�{ԇ��Ҫ�ǿ��{��ˎ��{��(ji��)�Uˮˮ�|,��ں��m(x��)��̎��εķ�(w��n)��\��,��H�\�б��F(xi��n)eSO4,��Óɫ��,��PAMͶ��քe��80��120��15��20,��0.2��0.4mg/L�r̎��Ч��,��A̎��ϵ�y(t��ng)�У��B(y��ng)��Z��,��߀Ҫ��(j��)�Uˮ��ˮ�|��r�{��ˎ��,��t��Ӱ��ϵ�y(t��ng)��m(x��)̎��Ч��ʹ��ˮˮ�|��,��

4.2 ��̎��ϵ�y(t��ng)��\�п��

�� ʹ�M��̎��ϵ�y(t��ng)�Uˮ��B/C>0.35��

�� ƺ��ػ��Һ��DO��2.0��4.0mg/L,��ǿ��ƺ��ĩ�˳�ˮ��DO��2.0mg/L,��

�� M��?y��n)��ϵ�y(t��ng)�r�Ļ��Һˮ�؞�25��30��,��M��ϵ�y(t��ng)�r�t��25��28�棬�M��΢��L��ضȵ�Ҫ��,��

�� {ԇ�r,��ƅ��MˮpHֵ��6.8��8.0��@�ӽ�(j��ng)�^�A̎��̎��,��ϵ�y(t��ng)��Һ��pHֵ��6.5��7.5,��Ķ��ں��΢��L��ֳ��

�� ţ�в��Uˮ�е��к��ж��|��Ҫ��{,��򻯺��Լ�һЩ�ؽ��Ԫ��,��򻯺ڵĝ��^�ߕr��Ӱ�΢��L,��B(y��ng)��Ͷ��FeSO4ʹ��ȥ��,��߀Ҫϡ��Mˮ�ԜpС�ж��|��΢��Ĳ��Ӱ푡��ϵ�y(t��ng)�{ԇ��ڵĳ�ˮˮ�|Ҋ��2,��

��2��ϵ�y(t��ng)�{ԇ��ڵĳ�ˮˮ�|

�Ŀ	COD(mg/L)	BOD₅(mg/L)	��(mg/L)	SS(mg/L)	ɫ��(��)	pH
��ˮ	70��120	21��30	0.5��2.0	70��120	35��45	6��9
��س�ˮ	70��100	13��20	0.5��1.8	40��65	20��35	6��9
�˜�ֵ	100	25	1.0	70	40	6��9

5 ��(j��ng)��

��OӋ��Ҫ��g��(j��ng)��ָ��Ҋ��3��

��3��Ҫ��g��(j��ng)��ָ��

��g��(j��ng)��ָ��	�OӋ��\�Ѕ��(sh��)
̎��(m3/d)	1200
늺�(Ԫ/m3)	0.18
ˎ��M(Ԫ/m3)	0.27
��Ͷ�Y(�fԪ)	220
�Ӛ�a(ch��n)��(m3/d)	400��600
̎��M��(Ԫ/m3)	0.88

6 �Y�Z

�� Uˮ�е��^�߲��̎��ϵ�y(t��ng)�ķ�(w��n)��\��,��ʱ��A̎��ϵ�y(t��ng)��ĝ��,��FeSO4��ˎ��_��^�õ�ȥ��Ч��,��

�� A̎��ϵ�y(t��ng)��Uˮ�M��A�ؚ��ߏUˮ�Ŀ��,��ˎϵ�y(t��ng)��Mһ��Ⱦ��(CODȥ��ʼs��35%��ɫ�ȿ�ȥ��80%),��

�� ΢��Ｐ��Ĥ��B(y��ng)��Z��ţ�в��Uˮ̎��{ԇ��P�I,��{ԇ�^��Ⱥ��˾��Uˮ̎��ϵ�y(t��ng)��޼��ӡȾ�ИI(y��)Óˮ��Ļ��ӷN,��B(y��ng)��Z��,��`�C��ͬ��I(y��)��M��B(y��ng)��Z��Դ��s��B(y��ng)��Z��,��

�� f�칤��޹�˾��ţ�в��Uˮ̎��ϵ�y(t��ng)��(j��ng)�^�s150d��{ԇ�\�к�,��ˮˮ�|�_��ˇ��ҡ��Ⱦ��I(y��)ˮ��Ⱦ��ŷŘ˜ʡ�(GB4287—1992)�е�һ��˜�,��

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