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�C�Ͽ��]�Uˮ��̎��ɱ�,��̎��Ч��أ��о��ĳ��S��Uˮ��΢늽��A̎��,��ԓ��ԏU�Fм��ԭ�ϣ��,��ȥ��ȥ��COD ��ͬ�r,��Ɖ��˱��ĽY��ˏUˮ�Ŀ��,��΢늽�̎��M�뵽��ϵ�y(t��ng)�M��̎��,��ȡ��^�õ�̎��Ч��鹤��OӋ�ṩ��,��

1 ��򞲿��

1.1 ԇ��x��

ʯ��,��H2SO4��NaOH��;

ABR ��|��,��

1.2 �Uˮˮ�|

��ˮȡ��hĳ��S,��Uˮˮ�|��COD ��20000��30000 mg/L��pH ��2��3,��

1.3 ��þ��N

ABR ��ͽ��|��ӷN�аl(f��)�ĸ�Ч�ͺϾ��N,��ԓ�ͺϾ��N��ǗU��(Gluconobacter oxydans)��l(f��)��U��(Lactobacillus fermentum),��U��(Lactobacillus brevis),��S΢��(Micrococcus leutus)��݆΢��(Ҳ�Qϲ�}΢��,�� Micrococcus halobius) ,��a�A�نΰ��(Pseudomonas alcaligenes)��½�نΰ��(Pseudomonas aureofaciens),��G�~�نΰ��(Pseudomonas chlororaphis),��߀ԭ�نΰ��(Pseudomonas nitroreducens)��S�ؼنΰ��(Pseudomonas riboflavina),��ݼنΰ�� (Pseudomonas facilis)��,��Ի��̿��΢��d�w��

1.4 ��ˇ��c�b��

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�D1 ��ˇ��

Fig.1 Technological process

΢늽ⷴ��Φ160 mm×300 mm��ЙC��Ƴ�,��K��ďU�T�F��b�뷴��T�F��NaOH ��Һ��ϴ,��HCl�M�л[7],��ײ��b��ؚ��^��

Ȼ��,��Uˮ��{pH ֱ�Ӽ��뷴��,��ÿ��1 h ȡ��һ��ˮ��ʯ��{��(ji��)pH ��9��10 ֮�g�M�Д��15 min��y�VҺ��COD,��VҺ��m��ˮϡ��ABR ��Mˮ,��ABR ��ﷴ��UPVC ��|,��g�ø��Ă��ȵĆ�Ԫ��,��ݷe��20 L��ÿ��Ԫ��ĵײ��0.5 kg��3��6 Ŀ�Ļ��̿�w��΢��d�w,��ϲ��Mˮ,��һ�˵��ϲ��ˮ��Mˮ��Ӌ��ÿ��ف��ͣ��r�g,��ˮ��ͣ��r�g�s��48 h,��ÿ�춨�r�z�y��ˮ��COD,��N��M��һ�ܕr�g��Z��,��

�ɂ��,��ݷe��20 L��ȼ�2 kg��30��80 Ŀ�Ļ��̿�w��΢��d�w,��N��,��M��2��ؚ��Z��Ǿ��N��ֵ�ؓ�d�ڻ��̿��,��

1.5 ��

COD ��t��⛷��y��,��

2 �Y��cӑՓ

2.1 ΢늽⌍�

΢늽��O��еďU�T�F��Ҫ�ɷ֞��F��̼��T�F��ԏUˮ��,��S��T�F��g��ܽ�,��F��̼֮�g��늘O�λ��Uˮ�Е��γɟo��΢ԭ늳�,��ԭ늳ط��ɵ�H ��Fe2+�Ⱦ��c�Uˮ�е��S��M�ְl(f��)��߀ԭ��,��Ɖ��ɫ�Uˮ�еİl(f��)ɫ��|�İl(f��)ɫ�Y��_��Óɫ��Ŀ��;��ʹ�ЙC��,��ЙC��܈F�l(f��)��׃��,��ʹ�Uˮ�Ŀ��@��ߣ��m(x��)��̎��ṩ��l��;��^΢늽��A̎��Uˮ��ȴ�󽵵�,��p��к̈́��ʹ��,��΢늽��ˮ�ӉA�{��(ji��)pH ��F��ÿ��ۏUˮ�еđҸ��,��,��ԭ늳��܇��늈��ɸ��Uˮ�е��z�w��Ķ�ȥ��ֵ�COD[8-9],��

�ڲ��{��(ji��)pH �ėl��,��΢늽ⷴ��r�g��COD ȥ��ʵ�Ӱ푡��Y��Ҋ�D2,��