Analysis of Flue Gas Pollutants Deep-removal Technology in Coal-fired Power Plants

Abstract

In recent years, frequent haze has made PM_2.5 become a public hotspot. PM_2.5 control has been added to the 2012 release “ambient air quality standard.” Currently flue gas pollutant control technology does not easily remove PM_2.5. Developing Flue Gas Pollutant Deep-removal Technology (DRT) for coal-fired power plants for deep-removing pollutants such as PM_2.5, SO₂, SO₃, and heavy metals, is an urgent problem. Based on the analysis of the necessity and existing problems of developing DRT suitable for China, this study focused on PM_2.5 removal technology, low NO_x emission of ultra supercritical boiler under all load conditions, and the adaptability of SCR working temperature. Finally, the flue gas pollutant removal system at a 2×660MW supercritical power plant was introduced, and the roadmap for developing DRT for 1,000MW ultra supercritical units was analyzed.

Keywords

Coal-fired power plant / flue gas pollutants / deep-removal / PM_2.5 removal

References

[1] China Electricity Council. 2013a. Research on emission reduction of electric power in China. Beijing: China Electricity Council

[2] China Electricity Council. 2013b. Statistical data of China electric power industry 2013. Beijing: China Electricity Council

[3] Mo, H., Zhu, F., Wang, S., & Yi, Y.2013. Application of WESP in coal-fired power plants and its effect on emission reduction of PM_2.5. Electric Power, 11, 66–69

[4] Wang, P., Luo, Z., Xu, F., Hou, Q., Gao, X., & Cen, K.2007. PM_2.5 removal from coal-fired power plant with combined ESP and pulse charge pretreatment. Acta Science Circumstantiae, 27, 1769–1792

[5] Yao, Q.2013. The formation, source of PM_2.5 and countermeasures of thermal power plants. Proceedings of the CSEE Academic Annual Conference 2013

[6] Zhang, X.2004. Research on ultra-supercritical coal-fired power generation. Proceedings of the CAST Academic Annual Conference 2004, Electric Power Parallel Sessions-CSEE Academic Annual Conference 2004

[7] Zhang, X.2008. Technical and economical performance analysis of 600MW ultra-supercritical coal-fired power units. 2008 Annual Meeting of Clean Efficient Coal Power Generation Technology Network

[8] Zhang, X.2012. Developing advanced coal-fired power generation technology and improving energy consumption efficiency. Chinese Academy of Engineering-Royal Swedish Academy of Engineering Sciences Symposium on Energy Efficiency

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Higher Education Press and Springer-Verlag Berlin Heidelberg