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(1)��ԭ��

�ÉA��Һ(NaOH,��Na2CO3��NH3·H2O��)�cNOx��(y��ng),��}�́��},��(y��ng)��¡�

2Na0H+2NO2��NaNO3+NaNO2+H2O
2NaOH+NO+NO2��2NaNO2+H2O
Na2CO3+2NO2��NaNO3+NaNO2+CO2
Na2CO3+NO+NO2��2NaNO2+CO2

��(d��ng)�ð�ˮ��NOx�r,��]�l(f��)�Ե�NH3�ښ��cNOx��ˮ��ⷴ��(y��ng)��NH4NO3��NH4NO3,��

2NH3+NO+NO2+H2O��2NH4NO2
2NH3+2NO2+H2O��NH4NO2+NH4NO2

��NH4NO2��(w��n)��(d��ng)��^��,��ض��^�߻��ҺpHֵ��m�r��l(f��)��ҷ��(y��ng)��ը,��ټ��ϰ��}��ױ�ˮ��AҺ��˰�ˮ��շ��đ�(y��ng)��,�,��]��r�񡢁�Դ,��y�׼��Ч�ʵ��,��I(y��)�ϑ�(y��ng)��^��Һ��NaOH��Na2CO3��M��Na2CO3��Ч��NaOH��һЩ,��r�׵�,��(y��ng)�ø��ձ顣

�ڌ��H��(y��ng)��,��һ��õ��30%��NaOH��10%��15%��Na2CO3��Һ��Մ�,��2��3��Y��(li��n)��գ��Ч��Sβ��,��O(sh��)�估��l��Ĳ�ͬ��в�e,��һ��60%~90%�ķ��(n��i),��^��У��ƺ�NO��NOx��ȷ��,��Һ��NaNO2��ȿ��_(d��)35%��,��NaNO3��С��3%��@�N��Һ��ֱ��Ⱦ�ϵ��a(ch��n)�^��,��Ҳ��Ԍ��M(j��n)��l(f��),��Y(ji��)��x��ȡ��c�a(ch��n)Ʒ,��Һ�м��HNO3,��ʹ NaNO2��NaNO3��Ƶ��c�a(ch��n)Ʒ,��

(2)Ӱ��յ��

�ُU��е��NO2�cNOx��w�e֮�ȷQ��,��(d��ng)��Ȟ�54%~60%�r��,��Ч��,��@��NO�cNO2��(y��ng)��N2O3�ľ��ʡ��NO��܆Ϊ�(d��)��AҺ��,��ЉAҺ��շ��ֱ��̎��ȼ��NO��ܴ�ďU��,��

��NOx�U��ȵķ��N��һ�ǌ��U��е�NO�M(j��n)��,��ǲ��øߝ�ȵ�NO2��w�M(j��n)��{(di��o)��(ji��),��ϡ��β��еĲ��NO��

��O(sh��)��Ͳ��l��β��е��Ȍ��Ч��^��Ӱ��,��O(sh��)��,��١�Һ��Ⱥ͇��ܶȵȲ��l��AҺ��Ч��Ҳ��һ��Ӱ�,��һ��f,��ܶ��շ��(y��ng)��x��m��(d��ng)?sh��)Ŀ��ٶȿ��m��(d��ng)��Ч��,��ͨ�^��M(j��n)��O(sh��)��Ч��,��ɢ��l��Կ��ƞ飺β��(n��i)��0.05��0.5m/s,��Һ��0.2��15L/m3,��Ԍ�NOx��ȏ�10-3g/m3��10-4 g/m3��Ч��_(d��)90%,��

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