A Critical Review on the Heterogeneous Catalytic Oxidation of Elemental Mercury in Flue Gases

被引:236
作者
Gao, Yanshan [1 ]
Zhang, Zhang [1 ]
Wu, Jingwen [1 ]
Duan, Linhai [2 ]
Umar, Ahmad [3 ,4 ]
Sun, Luyi [5 ,6 ]
Guo, Zhanhu [7 ]
Wang, Qiang [1 ]
机构
[1] Beijing Forestry Univ, Coll Environm Sci & Engn, Beijing 100083, Peoples R China
[2] Liaoning Shihua Univ, Liaoning Key Lab Petrochem Engn, Fushun 113001, Liaoning, Peoples R China
[3] Najran Univ, Coll Arts & Sci, Dept Chem, Najran 11001, Saudi Arabia
[4] Najran Univ, PCSED, Najran 11001, Saudi Arabia
[5] Texas State Univ San Marcos, Dept Chem & Biochem, San Marcos, TX 78666 USA
[6] Texas State Univ San Marcos, Mat Sci & Engn Program, San Marcos, TX 78666 USA
[7] Lamar Univ, Integrated Composites Lab, Dan F Smith Dept Chem Engn, Beaumont, TX 77710 USA
基金
中国国家自然科学基金;
关键词
MODELING SORBENT INJECTION; OXIDE CATALYSTS; NO OXIDATION; PHOTOCHEMICAL REMOVAL; REDUCTION CATALYSTS; HYDROCHLORIC-ACID; ACTIVATED CARBON; BAGHOUSE FILTERS; PHASE MERCURY; PILOT-SCALE;
D O I
10.1021/es402495h
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Nowadays, an increasing attention has been paid to the technologies for removing mercury from flue gases. Up to date, no optimal technology that can be broadly applied exists, but the heterogeneous catalytic oxidation of mercury is considered as a promising approach. Based on a brief introduction of the pros and cons of traditional existing technologies, a critical review on the recent advances in heterogeneous catalytic oxidation of elemental mercury is provided. In this contribution, four types of Fig oxidation catalysts including noble metals, selective catalytic reduction (SCR) catalysts, transition metals, and fly ash have been summarized. Both the advantages and disadvantages of these catalysts are described in detail. The influence of various acidic gases including SO2, SO3, NH3, NOx, HCl, Cl-2, etc. have been discussed as well. We expect this work will shed light on the development of heterogeneous catalytic oxidation of elemental mercury technology in flue gases, particularly the synthesis of novel and highly efficient Hg-0 oxidation catalysts.
引用
收藏
页码:10813 / 10823
页数:11
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