赵思岚, 刘慧敏, 胡红云, 黄永达, 袁兵, 邓双, 贾建丽. 燃煤过程中锑的释放特性与污染控制综述[J]. 燃料化学学报(中英文), 2020, 48(12): 1476-1487.
引用本文: 赵思岚, 刘慧敏, 胡红云, 黄永达, 袁兵, 邓双, 贾建丽. 燃煤过程中锑的释放特性与污染控制综述[J]. 燃料化学学报(中英文), 2020, 48(12): 1476-1487.
ZHAO Si-lan, LIU Hui-min, HU Hong-yun, HUANG Yong-da, YUAN Bing, DENG Shuang, JIA Jian-li. Review on the fate of antimony and its emission control technologies during coal combustion[J]. Journal of Fuel Chemistry and Technology, 2020, 48(12): 1476-1487.
Citation: ZHAO Si-lan, LIU Hui-min, HU Hong-yun, HUANG Yong-da, YUAN Bing, DENG Shuang, JIA Jian-li. Review on the fate of antimony and its emission control technologies during coal combustion[J]. Journal of Fuel Chemistry and Technology, 2020, 48(12): 1476-1487.

燃煤过程中锑的释放特性与污染控制综述

Review on the fate of antimony and its emission control technologies during coal combustion

  • 摘要: 锑是一种潜在有毒痕量元素,燃煤电厂是中国大气锑污染的重要来源。本研究通过对世界各国文献综述,详细介绍了煤中锑的含量及赋存形态,并从煤燃烧过程中锑的挥发行为、迁移特性和产物分布等角度阐释了燃煤过程中锑的迁移转化机制。此外,总结了电厂在燃烧前、燃烧中和燃烧后等不同阶段锑的排放控制技术现状。旨在为全面认知燃煤过程中锑的迁移转化及污染控制提供理论参考和技术指导。

     

    Abstract: Antimony is a trace element with potential toxicity. As a major source of atmospheric antimony pollution in China, the fate of antimony released during coal combustion has been attracting increasing concern. In this study, the contents and occurrence modes of antimony in coals were summarized, with subsequent discussions on the vaporization and transformation behavior of antimony in the coal combustion process. The partitioning of antimony in bottom ash, size-segregated fly ash particles as well as flue gas were also presented. Regarding the potential control methods for antimony emission, technologies facing pre-combustion, combustion and post-combustion stages were proposed respectively. It aims to provide a guideline for understanding the behavior of antimony migration and emission control during coal combustion.

     

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