Heterogeneous mercury reaction on a selective catalytic reduction (SCR) catalyst

被引：131
|
作者：
Eom, Yujin [1 ]
Jeon, Seok Ho [1 ]
Ngo, Thanh An [2 ]
Kim, Jinsoo [2 ]
Lee, Tai Gyu [1 ]
机构：
[1] Yonsei Univ, Dept Chem Engn, Seoul 120749, South Korea
[2] Kyung Hee Univ, Dept Chem Engn, Yongin 449701, South Korea
来源：
CATALYSIS LETTERS | 2008年 / 121卷 / 3-4期
关键词：
heterogeneous mercury reaction; selective catalytic reduction; coal-fired power plant; Langmuir-Hinshelwood;
D O I：
10.1007/s10562-007-9317-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The heterogeneous mercury reaction mechanism, reactions among elemental mercury (Hg-0) and simulated flue gas across laboratory-scale selective catalytic reduction (SCR) reactor system was studied. The surface of SCR catalysts used in this study was analyzed to verify the proposed reaction pathways using transmission electron microscopy with energy dispersive X-ray analyses (TEM-EDX) and X-ray photoelectron spectroscopy (XPS). The Langmuir-Hinshelwood mechanism was proven to be most suitable explaining first-layer reaction of Hg-0 and HCl on the SCR catalyst. Once the first layer is formed, successive layers of oxidized mercury (HgCl2) are formed, making a multi-layer structure.
引用
收藏
页码：219 / 225
页数：7
相关论文
共 50 条
  • [1] Heterogeneous Mercury Reaction on a Selective Catalytic Reduction (SCR) Catalyst
    Yujin Eom
    Seok Ho Jeon
    Thanh An Ngo
    Jinsoo Kim
    Tai Gyu Lee
    [J]. Catalysis Letters, 2008, 121 : 219 - 225
  • [2] Understanding mercury conversion in selective catalytic reduction (SCR) catalysts
    Eswaran, S
    Stenger, HG
    [J]. ENERGY & FUELS, 2005, 19 (06) : 2328 - 2334
  • [3] Progress in the mechanism of selective catalytic reduction (SCR) reaction
    Zhang, Daojun
    Ma, Ziran
    Sun, Qi
    Xu, Wenqiang
    Li, Yonglong
    Zhu, Tao
    Wang, Baodong
    [J]. Huagong Jinzhan/Chemical Industry and Engineering Progress, 2019, 38 (04): : 1611 - 1623
  • [4] Hydrometallurgical processing of spent selective catalytic reduction (SCR) catalyst for recovery of tungsten
    Choi, In-hyeok
    Moon, Gyeonghye
    Lee, Jin-Young
    Jyothi, Rajesh Kumar
    [J]. HYDROMETALLURGY, 2018, 178 : 137 - 145
  • [5] Modeling of Selective Catalytic Reduction (SCR) for NO Removal Using Monolithic Honeycomb Catalyst
    Lei, Zhigang
    Liu, Xueyi
    Jia, Meiru
    [J]. ENERGY & FUELS, 2009, 23 (12) : 6146 - 6151
  • [6] Characteristics of commercial selective catalytic reduction catalyst for the oxidation of gaseous elemental mercury with respect to reaction conditions
    Hong, Hyun-Jo
    Ham, Sung-Won
    Kim, Moon Hyeon
    Lee, Seung-Min
    Lee, Jung-Bin
    [J]. KOREAN JOURNAL OF CHEMICAL ENGINEERING, 2010, 27 (04) : 1117 - 1122
  • [7] Characteristics of commercial selective catalytic reduction catalyst for the oxidation of gaseous elemental mercury with respect to reaction conditions
    Hyun-Jo Hong
    Sung-Won Ham
    Moon Hyeon Kim
    Seung-Min Lee
    Jung-Bin Lee
    [J]. Korean Journal of Chemical Engineering, 2010, 27 : 1117 - 1122
  • [8] Current Catalyst Technology of Selective Catalytic Reduction (SCR) for NOx Removal in South Korea
    Kim, Hyo-Sik
    Kasipandi, Saravanan
    Kim, Jihyeon
    Kang, Suk-Hwan
    Kim, Jin-Ho
    Ryu, Jae-Hong
    Bae, Jong-Wook
    [J]. CATALYSTS, 2020, 10 (01)
  • [9] Characteristics of selective catalytic reduction (SCR) catalyst adding graphene-tungsten nanocomposite
    Jeong, Bora
    Ye, Bora
    Kim, Eok-Soo
    Kim, Hong-Dae
    [J]. CATALYSIS COMMUNICATIONS, 2017, 93 : 15 - 19
  • [10] A method for estimating the temperature downstream of the SCR (selective catalytic reduction) catalyst in diesel engines
    Qiu, Tao
    Li, Xuchu
    Liang, Hong
    Liu, Xinghua
    Lei, Yan
    [J]. ENERGY, 2014, 68 : 311 - 317
12345