电力科技与环保2025，Vol.41Issue(5)：727-737,11.DOI:10.19944/j.eptep.1674-8069.2025.05.004
燃煤电厂烟气汞排放监测方法现状与探讨
Current situation and discussion on determination methods of mercury emission from coal-fired power plants
摘要
Abstract
[Objective]Accurate monitoring of mercury emission concentration is the key to promoting prevention and control of mercury pollution from coal-fired power plants.In recent years,the technical bottlenecks of the existing monitoring methods in China have become more and more prominent,and have become the key factors restricting the development of mercury pollution prevention and control technology in coal-fired power plants.In order to speed up the construction of China's flue gas mercury emission monitoring technology system,[Methods]based on the open literature,standards and specifications,and years of technical experience,this paper systematically sorted out the current situation and advantages and disadvantages of the development of domestic and international mercury emission monitoring methods for coal-fired power plants,which reveals the existing problems of China's monitoring methods and puts forward the optimization path.[Results]The study shows that although the online monitoring method has the advantages of real-time continuous,fast and accurate,there are defects such as high cost,high failure rate and difficult traceability,and the maturity of the technology in developed countries is relatively high,while China's related technology research started late and is now at a standstill;as for the manual monitoring method,the corresponding standard system has been set up at home and abroad,among which the United States has realized a more accurate mercury emission monitoring of total mercury and speciation mercury through the organic combination of the wet chemical method and the solid adsorbent method.In contrast,the current methods in China have significant deficiencies in the integrity of mercury speciation capture,adaptability to flue gas conditions,completeness of sampling specifications,accuracy of detection results,etc.,which are difficult to meet the technical support needs of mercury pollution control and mercury environmental protection tax collection and management.[Conclusion]Based on this,it is recommended to focus on breakthroughs in terms of promoting the research,development and application of low-cost and high-precision mercury online monitoring technology,systematically improving the technical shortcomings of the existing manual monitoring method,and accelerating the improvement of the monitoring standard system,so as to comprehensively improve the technical level of mercury emission monitoring of China's coal-fired power plants.关键词
燃煤电厂/汞排放/在线监测法/手工监测法Key words
coal-fired power plants/mercury emission/online monitoring method/manual monitoring method分类
能源科技引用本文复制引用
李小龙,罗军,刘剑锋,胡文森..燃煤电厂烟气汞排放监测方法现状与探讨[J].电力科技与环保,2025,41(5):727-737,11.基金项目
国家重点研发计划项目(2022YFC3701504) （2022YFC3701504）
