Proceedings of Conference on Coal Science
Online ISSN : 2423-8309
Print ISSN : 2423-8295
ISSN-L : 2423-8295
[volume title in Japanese]
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Name : The 44th Conference of Coal Science

Number : 44

Location : [in Japanese]

Date : October 11, 2007 - October 12, 2007

32 Mercury speciation over SCR catalyst
Hiroyuki Kamata, Shun-ichiro Ueno, Toshiyuki Naito
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Pages 64-65

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Abstract
Mercury speciation over the V_2O_5/TiO_2 based commercial catalyst was investigated. The mercury oxidation rate was found to decrease by increasing NH_3/NO ratio, suggesting that the presence of NH_3 inhibits the Hg oxidation. Behavior of both NO reduction rate and Hg oxidation rate over the catalyst can be explained well by assuming the competitive adsorption of HCl and NH_3 for surface active site. The change of Hg oxidation activity for a long term operation was also examined.
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© 2007 The Japan Institute of Energy
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