V2O5/AC�߻��NH3 ��x��߀ԭÓ��

��r�g��2009-05-05 14:57 ��Դ��^�̹��̌W�� : ��x��2645

ժҪ��ڲ�ͬ��Խ�(Activated Coke, AC)�d�w��Ե��w�e��n��ؓ�dV₂O₅,��Ƃ��һϵ��V₂O₅/AC �߻��. ͨ�^N3₃ ��B(t��i)푑�(y��ng)��N3₃ ��͸�r�g��򞿼��200��V₂O₅/AC �ı��e,��ҷ֡��܈F��V₂O₅ ��N3₃ ��NO ��x��Դ߻�߀ԭ��Ե�Ӱ�. �Y(ji��)��,��d�wδ��(j��ng)��̎��Ĵ߻��,��N3₃ ��λ��Ҫ��V₂O₅(��cÓ��(y��ng)��N3₃ ��c�߻��V₂O₅ ؓ�d��ı�ֵ��1:5)��Խ��еĻҷ֌�N3₃ ��,�,��̎��ڻ��Խ��ĺ��ͺ��Թ��܈F��cÓ��(y��ng)��N3₃ ��V₂O₅ ��1.3 ��@Щ��܈F��Ӱ�V₂O₅ ��N3₃ ��,��Խ��N3₃ ��Ó��Ժܵ�,��w��V₂O₅ �υ��cÓ��.

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��е��(SO₂)��(NOx)��Ҫ�Ĵ��Ⱦ��.NOx ��Ҫ��NO ��NO₂ �M��,��ú̿��ȼ��^��ɵ�NOx ��Ҫ��NO(90%∼95%)[1]. ��N3₃ ��NO �M��x��Դ߻�߀ԭ(Selective Catalytic Reduction, SCR)��Ŀǰ��Ó��Ч�ķ��[2−4],��(y��ng)�^��NO ��N3₃߀ԭ��N₂. �ѽ�(j��ng)��I(y��)��SCR �߻��V₂O₅/TiO₂��V₂O₅−WO3/TiO₂ ��,��350��ϲ��Ա��⟟��е�SO₂ ��N3₃ ��(y��ng)��@�}��߻��׵�[2,5].��偠tϵ�y(t��ng)��ş��ض�һ��150∼200��֮�g,��@ЩÓ��߻��Ҫ��偠tϵ�y(t��ng)��򟟚�ӟᣬ�ɱ��ܸ�. ��ş��ضȲ��Ĵ߻��܉�ֱ��c�F(xi��n)��偠tϵ�y(t��ng)ƥ��,��ܺĺͲ��ɱ�,��Ҫ��x.

ǰ��о��d��C��Խ�(V₂O₅/AC)��200��Ҳ��H��иߵ�SCR Ó��,��ҿɴ߻��@�}��NO ��߀ԭ,��@�}��߻��Ķ��[6−9]��(y��ng)��ǰ��V��. �c��SCR Ó��߻��һ��,��V₂O₅/AC��Ó��ǰ��N3₃ ��. SCR ��(y��ng)��Ҫ�l(f��)��B(t��i)��N3₃ �c��(��)NO ֮�g,��ѭEley-Rideal �C��[10]. �R��ص�[11]�l(f��)�F(xi��n)AC ��ؓ�dV₂O₅��N3₃ ��Ó��ԣ��]�Ѕ^(q��)��V₂O₅/AC�Ĳ�ͬ�M�֌�N3₃ ��SCR Ó��(y��ng)��ؕ�I,��Ӱ��˴߻��ă�(y��u)��O(sh��)Ӌ.