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ժҪ��SCNRÓ��Ч�ʵ�Ӱ��:�ض�,��NH3/NOx��϶�.��NH3/NOx��϶ȵ�Ӱ��.�Y��ٟ��tSNCRÓ��̵Č��H��(j��ng)򞔵(sh��)��(j��),�о��˜ضȌ�Ó��Ч�ʵ�Ӱ�,��Č��.

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1ԭ��

SNCRÓ��g��һ��ģ�һ��800°C��1000°C��l��£��򟟚��Ї��Ó��߀ԭ��,��ڸߜؗl��,��߀ԭ��Ѹ�ٵطֽ��NH3��ͬ�r�c��е�NOx�l(f��)��߀ԭ��,��NOx߀ԭ��N2�cH2O��,��ԓ��g��õ�Ó��߀ԭ��һ��鰱ˮ��2�N��ˮ��߀ԭ��r,��ߜ؟��,��Ѹ�ٚ⻯��NH3��H2O��Ҫ��W��飺

4NO+4NH3+O2→4N2+6H2O

4NH3+2NO2+O2→3N2+6H2O

��߀ԭ��r,��ߜ؟��,��ȷֽ��NH3��ͬ�r�c��е�NO�l(f��)��߀ԭ��,��Ҫ��W��飺

2CO(NH2)2+4NO+O2→4N2+2CO2+4H2O

6CO(NH2)2+8NO2+O2→10N2+6CO2+12H2O

2�ضȵ�Ӱ푷��

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2.1��ͬ߀ԭ��ѷ��ض�

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2.2߀ԭ��ͬ��ͬ�ضȌ�Ó��Ч�ʵ�Ӱ�

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��ʷ�(w��n)��ؿ��6mg/Nm3��׃,��f��c��NH3��׃,��NH3��ʲ�׃��

“�^(q��)�gһ”��б�ʵĽ^��ֵ,��“�^(q��)�g��”��Ҫ��,��f��“�^(q��)�g��”��(n��i)��a(ch��n)��NOx��ȸ��څ^(q��)�gһ��ض�Խ��,��a(ch��n)��NOx��ٶ�Խ��,��

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2.3ؓ�ɲ�׃,��ض��ߌ�Ó��Ч�ʵ�Ӱ�

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3NH3/NOx��϶�

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3.1��

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