화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.19, No.1, 73-79, January, 2013
DOI10.1016/j.jiec.2012.07.003  Export Citation
Characterization of MoO3.V2O5/Al2O3 catalysts for selective catalytic reduction of NO by NH3
Hyoung-Lim Koh, and Hea-Kyung Park1, †
  • R&D Center for Chemical Technology, Hyosung Corporation, Anyang, Kyunggi-do 431-080, Republic of Korea
  • 1Department of Chemical Engineering, Hanseo University, Seosan, Chungnam 356-706, Republic of Korea
E-mail:
MoO3-V2O5/Al2O3 catalysts were characterized by B.E.T., XRD, LRS, XPS and TPR and the effect of MoO3 addition to alumina supported vanadia catalysts on the catalytic activity for the selective catalytic reduction of NO by ammonia was investigated. Upon the addition of MoO3, catalytic activity was enhanced and the particle size of V2O5 which is shown by the results of B.E.T., XRD and Raman spectroscopy decreased. This was one reason for increased catalytic activity. The results obtained by XPS and TPR showed that MoO3 addition to alumina supported vanadia catalysts increased the reducibility of vanadia and this was the another reason for synergy effect between MoO3 and V2O5 in MoO3-V2O5/Al2O3 catalysts.
Keywords:V2O5/Al2O3;Selective catalytic reduction (SCR);Nitric oxide;Reducibility;MoO3 addition
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