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KMID : 1024520040130060537
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Journal of the Environmental Sciences
2004 Volume.13 No. 6 p.537 ~ p.542
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Low Temperature Selective Catalytic Reduction of NOx over V2O5/TiO2 Catalyst Doped with Mn
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Cheon Tae-Jin
Choi Sang-Ki
Choi Sung-Woo
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Abstract
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catalysts promoted with Mn were prepared and tested for selective catalytic reduction of NOx in The effects of promoter content, degree of catalyst loading were investigated for NOx activity while changing temperatures, mole ratio, space velocity and concentration. Among the various catalysts having different metal loadings, (1 wt.%) catalyst showed the highest activity(98%) under wide temperature range of When the catalyst was further modified with 5 wt.% Mn as a promoter, the highest activity(90-47%) was obtained over the low temperature windows of From Mn-, it was found that by addition of 5 wt.% Mn on catalyst, reduction activity of catalyst was improved, which resulted in the increase of catalytic activity and NOx reduction. According to the results, NOx removal decreased for 10%, but the reaction temperature down to
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KEYWORD
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V2O5/TiO2 Catalyst, Selective Catalytic Reduction(SCR), NOx
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