Novel bimetallic chalcogenide adsorbents for elemental mercury removal from flue gas: A review

被引：19
作者：
Yang, Xin [1 ]
Gong, Chen [4 ]
Guan, Yu [3 ]
Li, Jingyi [1 ]
Li, Fangqin [1 ]
Peng, Cheng [1 ,5 ]
Wu, Jiang [1 ,2 ,5 ]
Cui, Tianhui [1 ]
Xiang, Shang [1 ]
Gao, Yuan [1 ]
机构：
[1] Shanghai Univ Elect Power, Coll Energy & Mech Engn, Shanghai 200090, Peoples R China
[2] Shanghai Inst Pollut Control & Ecol Secur, Shanghai, Peoples R China
[3] Xi An Jiao Tong Univ, Sch Energy & Power Engn, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China
[4] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou 510006, Peoples R China
[5] 2103 Pingliang Rd, Shanghai, Peoples R China
来源：
FUEL | 2023年 / 344卷
基金：
中国国家自然科学基金;
关键词：
Bimetallic chalcogenide; Flue gas; Mercury; Adsorption; Removal; RECYCLABLE MAGNETIC SORBENT; LAYERED DOUBLE HYDROXIDES; CATALYTIC-OXIDATION; EMERGENCY DISPOSAL; EFFICIENT REMOVAL; HG-0; OXIDATION; GASEOUS HG-0; ADSORPTION; FE; CAPTURE;
D O I：
10.1016/j.fuel.2023.128081
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Mercury is considered as a global harmful air pollutant because of its strong toxicity and volatility. Controlling flue gas mercury emissions has been a serious task for the global environment and human health. Mercury removal technology has been widely concerned by researchers as a research hotspot in the field of mercury pollution control in flue gas of coal-fired power plants. In recent years, bimetallic chalcogenides have attracted more and more attention due to their abundant active sulfur sites. In this review, the mercury removal properties of various bimetallic chalcogenide adsorbents are firstly summarized. Secondly, the effects of flue gas temper-ature and different gas components (O2, SO2, NO, H2O,HCl) on the removal of mercury by bimetallic chal-cogenide adsorbents are systematically discussed. Moreover, the recovery and regeneration properties of adsorbents are introduced. Then, the mechanism of mercury removal of bimetallic chalcogenide adsorbents is revealed via density functional theory (DFT) in terms of binding energy and electron transfer. Finally, the modified strategy to improve the mercury removal performance of bimetallic chalcogenide adsorbents is pro-posed, and the future development is prospected. This work provides a reference for the design and exploration of bimetallic chalcogenide adsorbents to remove pollutant.
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页数：23
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