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��(y��ng)�^�̣��l��,��ɞ遆��}��},��ɂ��(y��ng)��E��Ɂ��Nitrosomonas sp��c��D(zhu��n)��遆��}�ķ��(y��ng),��Nitrobacter sp��c�Č��}�D(zhu��n)��}�ķ��(y��ng)��ǻ��B(y��ng)��,��CO2,��CO32-,��HCO3-��̼Դ��ͨ�^NH3,��NH4+,��NO2-��߀ԭ��(y��ng)�@��,��(y��ng)�^��Ҫ�ں��Aerobic��Oxic��l��M�У��w,��Ԫ��ӹ��w,��(y��ng)�ķ��(y��ng)ʽ�飺

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55NH4++76O2+109HCO3→C5H7O2N��54NO2-+57H2O+104H2CO3

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400NO2-+195O2+NH4-+4H2CO3+HCO3-→C5H7O2N+400NO3-+3H2O

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NH4-+1.83O2+1.98HCO3→0.021C5H7O2N+0.98NO3-+1.04H2O+1.884H2CO3

ͨ�^��(y��ng)�^�̵��Ϻ��֪,��(y��ng)�^��У��1�˰��}��4.57�ˣ��Ё��(y��ng)��3.43��,��(y��ng)��1.14�ˣ��ͬ�r�s��7.14��̼��}��CaCO3Ӌ��A��,��

��(y��ng)�^��,��Ԫ�ص��D(zhu��n)��(j��ng)�v��ׂ��^�̣��x��NH4-→�u��NH2OH→��,��NOH→��}NO2-→��}NO3-,��

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��(y��ng)�^�̣��ȱ��l��,��÷��}��}߀ԭ�鵪��ğoˮ��ݳ�,��Ķ��_��Ŀ��,��

��ǌ��(y��ng)�^��Юa(ch��n)��}�́��}߀ԭ�ɵ��^�̣��һ��ܮ��B(y��ng)��ȱ��΢��,��з��ӑB(t��i)��ڕr,��ֽ��ЙC��,��÷��K��w��o��ӑB(t��i)��ڕr,��}�́��}�е�N3+��N5+��w,��O2-��ܚ��w��ˮ��OH-�A��,��ЙC��t��̼Դ�ṩ��ӹ��w�ṩ��õ��(w��n)��ɴ˿�֪��(y��ng)��ȱ��l��M��,��NO3-߀ԭ��N2��^��£�

NO3-→NO2-→NO→N2O→N2

��^��У��Ҫ�ЙC̼Դ��̼ˮ��,��,��ЙC����ӹ��w��NO3-�е��M��ȱ��,��䷴��(y��ng)�^�̿��Ժ��ʽ��ʾ��

NO3-+4H(��ӹ��w�ЙC��)→ 1/2N2+H2O+2OH-

NO2-+3H(��ӹ��w�ЙC��)→ 1/2N2+H2O+OH-

��ˮ�к�̼�ЙC��鷴��(y��ng)�^��е��ӹ��w��ʽ��֪,��ÿ�D(zhu��n)��1gNO2-��N2�r,��ЙC���BOD��ʾ��1.71g;ÿ�D(zhu��n)��1gNO3-��N2�r,��ЙC���BOD��ʾ��2.86g��ͬ�r�a(ch��n)��3.57g��̼��}�A�ȣ��CaCO3Ӌ��,��

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C=2.86Ni+1.71N0+DO0

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C�鷴��^��ЙC��Ҫ��BOD��ʾ��,��mg/l;

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N0��ʼ��}��ȣ�mg/l��

DO0��ʼ�ܽ��ȣ�mg/l��

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NO3-+1.08CH3OH+0.24H2CO3→0.056C5H7O2N+0.47N2↑+1.68H2O+HCO3-

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NO2-+0.67CH3OH+0.53H2CO3→0.04C5H7O2N+0.48N2↑+1.23H2O+HCO3-

��ʽ��Ҋ��ÿ߀ԭ1gNO2-��1gNO3-�քe��Ҫ��ļ״�1.53g��2.47g,��