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Effect of Flue Gas Components on Hg-0 Oxidation over Fe/HZSM-5 Catalyst
Alternative TitleInd. Eng. Chem. Res.
Xu, W. Q.; Tong, L.; Qi, H.; Zhou, X.; Wang, J.; Zhu, T. Y.
2015
Source PublicationIndustrial & Engineering Chemistry Research
Issue1Pages:146-152
AbstractHZSM-5-supported Fe was synthesized through an impregnation method, and its efficiency during mercury oxidation in a simulated flue gas was determined. The Fe/HZSM-5 was highly active for Hg-0 oxidation. In this study, 3% Fe/HZSM-5 was the optimal catalyst within the temperature range of a selective catalytic reduction reaction. Two Hg-containing products are produced in the presence of HCl and O-2. Below 200 degrees C, the products are probably adsorbed HgCl2. When above 200 degrees C, the products might be both adsorbed and gaseous HgCl2. No Hg2+ was observed in the gas state in the presence of SO2 and NO. The competitive adsorption and formation of Fe-2(SO4)(3), which might be the intermediate product, are the primary reasons that SO2 inhibits Hg-0 oxidation. The formation of the N-containing active species generated on the catalyst surface facilitated the oxidation of Hg-0 in the presence of NO and O-2 to probably produce Hg(NO3)(2). The Fe/HZSM-5 catalysts remain highly active toward Hg-0 oxidation in the presence of SO2 and O-2.
KeywordMercury Oxidation Fe-zsm-5 Catalysts Elemental Mercury Activated Carbon Coal Combustion Reduction No Removal Nh3 Temperatures
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Indexed BySCI
Language英语
WOS IDWOS:000348093100014
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/11865
Collection研究所(批量导入)
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GB/T 7714
Xu, W. Q.,Tong, L.,Qi, H.,et al. Effect of Flue Gas Components on Hg-0 Oxidation over Fe/HZSM-5 Catalyst[J]. Industrial & Engineering Chemistry Research,2015(1):146-152.
APA Xu, W. Q.,Tong, L.,Qi, H.,Zhou, X.,Wang, J.,&Zhu, T. Y..(2015).Effect of Flue Gas Components on Hg-0 Oxidation over Fe/HZSM-5 Catalyst.Industrial & Engineering Chemistry Research(1),146-152.
MLA Xu, W. Q.,et al."Effect of Flue Gas Components on Hg-0 Oxidation over Fe/HZSM-5 Catalyst".Industrial & Engineering Chemistry Research .1(2015):146-152.
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