Enhanced NH3-SCR Activity of V/TiO22 Catalyst Prepared by Various Ball Mill Method 


Vol. 23,  No. 1, pp. 64-72, Mar.  2017
10.7464/ksct.2017.23.1.064


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  Abstract

In this study, the selective catalytic reduction (SCR) for NOx removal was investigated in the temperature range of 150 ~ 400 °C. XRD, BET and XPS analyses to determine the structural properties and valence state characteristics of the catalyst were performed. Various ball mill method were shown to a difference in activity at a low temperature below 250 °C. Based on the catalyst with the highest denitrification efficiency, the ball mill time was the best result at 3 h. As a result of XPS analysis, the presence of the non-stoichiometric vanadium species and the increase of the number of atoms were attributed to a positive effect in the SCR reaction. it was confirmed that the correlation between the amount of lattice oxygen and the denitrification efficiency through the O2 on-off experiment, and it was in a proportional relationship to each other.

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  Cite this article

[IEEE Style]

K. DH, S. PW, H. SC, "Enhanced NH3-SCR Activity of V/TiO22 Catalyst Prepared by Various Ball Mill Method," Clean Technology, vol. 23, no. 1, pp. 64-72, 2017. DOI: 10.7464/ksct.2017.23.1.064.

[ACM Style]

Kim DH, Seo PW, and Hong SC. 2017. Enhanced NH3-SCR Activity of V/TiO22 Catalyst Prepared by Various Ball Mill Method. Clean Technology, 23, 1, (2017), 64-72. DOI: 10.7464/ksct.2017.23.1.064.

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