Effect of hydrocarbon slip on NO removal activity of CuZSM5, FeZSM5 and V2O5/TiO2 catalysts by NH3

被引：50

作者：

Hee, Iljeong ^{[1
]}

Lee, Youmi ^{[1
]}

Nam, In-Sik ^{[1
]}

Choung, Jin Woo ^{[2
]}

Lee, Jin-Ha ^{[2
]}

Kim, Hong-Jip ^{[2
]}

机构：

[1] Pohang Univ Sci & Technol, Dept Chem Engn, Sch Environm Sci & Engn, Pohang 790784, South Korea

[2] Hyundai Kia Motors Co, Power Train R&D Ctr, Exhaust Emiss Engn Team, Hwaseong, South Korea

来源：

MICROPOROUS AND MESOPOROUS MATERIALS | 2011年 / 141卷 / 1-3期

基金：

新加坡国家研究基金会;

关键词：

NH3 (urea)/SCR; HC slip; Ammoxidation; ZSM5; catalyst; V2O5/TiO2; EXCHANGED ZSM-5 CATALYSTS; SELECTIVE REDUCTION; EXCESS OXYGEN; UREA-SCR; NITROGEN; AMMONIA; OXIDE; AMMOXIDATION; REACTIVITY; OXIDATION;

D O I：

10.1016/j.micromeso.2010.02.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The effect of C3H6 on the deNO(x) activity of CuZSM5, FeZSM5 and V2O5/TiO2 catalysts by NH3 has been examined. The catalytic NO removal activity decreased by the continuous inclusion of C3H6 into the reactor feed gas stream. The higher the feed concentration of C3H6, the more severe the retardation of the catalyst activity. The primary cause for the inhibition is the competitive adsorption of NH3 and C3H6 onto the catalyst surface and the useless consumption of NH3 by the side reaction, including the NH3 oxidation and ammoxidation reactions during the course of NH3/SCR reaction with C3H6. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：8 / 15

页数：8

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