Review of Arsenic Transformation and Emission Control During Coal Combustion

被引：0

作者：

Gong H. ^{[1
]}

Hu H. ^{[1
]}

Liu H. ^{[1
]}

Li S. ^{[1
]}

Huang Y. ^{[1
]}

Fu B. ^{[1
]}

Luo G. ^{[1
]}

Yao H. ^{[1
]}

机构：

[1] State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2020年 / 40卷 / 22期

关键词：

Arsenic; Coal combustion; In-furnace control; Post-combustion control; Transformation behavior;

D O I：

10.13334/j.0258-8013.pcsee.200616

中图分类号：

学科分类号：

摘要：

Arsenic is a highly toxic and easily volatile element that is widely distributed in coal. As one of the main anthropogenic sources of arsenic emission in China, it is essential to gain knowledge on the fate of arsenic during coal combustion and search for possible arsenic control strategies. In this review, the occurrence of arsenic in coal, the release behavior of arsenic in coal combustion process and its distribution in the combustion by-products were summarized, with special focus on the partitioning behavior of arsenic in size-segregated fine ash particles. Furthermore, the in-furnace control strategies of arsenic based on the selection of furnace type and additives were discussed, followed by the collaborative control of particulate matters and arsenic in the post-combustion stage by air pollution control devices. It is expected to provide reference for the emission control of arsenic as well as the other volatile heavy metals in power plants. © 2020 Chin. Soc. for Elec. Eng.

引用

页码：7337 / 7351

页数：14

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