| 燃煤电厂汞的控制及脱除 |
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| 引用本文： | 吴其荣,杜云贵,聂华,余于. 燃煤电厂汞的控制及脱除[J]. 热力发电, 2012, 41(1): 8-11 |
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| 作者姓名： | 吴其荣 杜云贵 聂华 余于 |
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| 作者单位： | 1. 中电投远达环保工程有限公司,重庆,400060
2. 重庆大学资源与环境科学学院,重庆,400045 |
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| 摘 要： | 针对我国燃煤电厂污染控制技术措施,分析了燃煤电厂汞的分布,以及烟气脱硫、脱氮、除尘等装置对汞脱除的影响。分析表明,飞灰中的汞约40%被除尘装置捕集或存在于湿法脱硫装置的浆液中,约60%排入大气。利用选择性催化还原(SCR)系统的氧化和烟气脱硫(FGD)系统的吸收,可有效控制汞的排放。
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| 关 键 词： | 燃煤电厂 汞 形态分布 除尘装置 FGD SCR 脱汞 |
CONTROL AND REMOVAL OF MERCURY IN COAL- FIRED POWER PLANTS |
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| WU Qirong , DU Yun'gui , NIE Hua , YU Yu. CONTROL AND REMOVAL OF MERCURY IN COAL- FIRED POWER PLANTS[J]. Thermal Power Generation, 2012, 41(1): 8-11 |
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| Authors: | WU Qirong DU Yun'gui NIE Hua YU Yu |
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| Affiliation: | 1.Zhongdiantou Yuanda Environment Protection Engineering Co Ltd,Chongqing 400060,PRC 2.College of Resources and Environmental Science,Chongqing University,Chongqing 400045,PRC |
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| Abstract: | Directing against the technical measures of pullution control in coal-fired power plants within china,the mercury distritution in said power plants,as well as the influence of flue gas desulphurization,denitrification,and dust removal facilities upon the mercury disposal have been analysed.Analysis shows that the mercury contained in fly ash about 40% is captured by the dust removal facility,and about 60% being emitted into the atmosphere.Using the oxidation effect in SCR system and the absorption in flue gas system,the emission of mercury can be effectively controlled. |
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| Keywords: | coal-fired power plant mercury form distribution FGD SCR mercury control |
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