臭氧氧化技术在烟气脱硝系统中的应用

doi:10.19286/j.cnki.cci.2023.05.032

Abstract
Figure/Table
References (19)
Related Citation (12)

Download: PDF (0 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract Ozone oxidation technology, which has the advantages of simple equipment, convenient operation and maintenance, etal, has been widely used in flue gas NOX emission control of boiler or kiln. The paper introduces the reaction mechanism and process of ozone denitrification, and discussed the selection of key parameters of amount of O3/NO substances, reaction temperature and reaction time in the industrial application of flue gas ozone denitrification in coal-fired boilers. The application results show that the denitrification efficiency can reach 61% when the O3/NO molar ratio is 1.6, the reaction temperature is 138 ℃, and the reaction time is 0.42s. Ozone denitrification is suitable for wet desulphurization system, by using desulfurization tower as absorption tower, desulfurization solution as absorption solution, NOX in flue gas is absorbed to form nitrate and removed

Key words： ozone oxidation O3/NO molar ration reaction temperature reaction time denitrification efficiency wet desulphurization

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	Liu Xin1
	Li Juanjuan2

Cite this article:

Liu Xin1,Li Juanjuan2. Application of ozone oxidation technology in flue gas denitrification system[J]. CCI, 2023, 46(5): 130-132，142..

URL:

http://www.mtyhg.com.cn/EN/10.19286/j.cnki.cci.2023.05.032 OR http://www.mtyhg.com.cn/EN/Y2023/V46/I5/130

[ 1 ] 杨家庭，丁成芳，刘连杰，等. 臭氧脱硝技术在稀贵多金属烟气治理中的应用[ J ]. 铜业工程， 2022（ 1 ）：45 - 48. [ 2 ] 杨晓武，朱智颖，汤洛. 臭氧脱硝工艺在冶炼环集烟气治理中的应用[ J ]. 硫酸工业，2020（ 5 ）：13 - 16. [ 3 ] 罗香銮，刘全辉，邹新. 生物质锅炉臭氧脱硝技术的应用[ J ]. 环境与发展，2019（ 3 ）：80 - 81. [ 4 ] 孙军如. 烧结烟气臭氧脱硝工艺设计[ J ]. 现代冶金，2017， 45（ 2 ）：18 - 20. [ 5 ] 马强. 烟气中多种污染物超低排放的活性分子氧化及一体化脱除机理研究[ D ]. 杭州：浙江大学，2016. [ 6 ] 林法伟. 活性分子臭氧耦合催化深度脱除烟气中氮氧化物的基础特性研究[ D ]. 杭州：浙江大学，2018. [ 7 ] 张逸伟，唐海荣，何勇，等. 臭氧低温氧化烟气脱硝过程中的氮平衡试验研究[ J ]. 化工学报，2022，73（ 4 ）：1 732 - 1 742. [ 8 ] 黄元凯. 湿法脱硫脱硝过程中硝酸盐气溶胶的生成机理与控制[ D ]. 杭州：浙江大学，2021. [ 9 ] Sun CL, Zhao N, Zhuang ZK, etal. Mechanisms and reaction pat- hways for simultaneous oxidation of NOX and SO2 by ozone determined by in situ IR measurements[ J ]. J. Hazard. Mater. 2014，274: 376 - 383. [ 10 ] Zhang J, Zhang R, Chen X, et al. Simultaneous removal of NO and SO2 from flue gas by ozone oxidation and NaOH absorption[ J ]. Industrial and Engineering Chemistry Research, 2014, 53: 6 450 - 6 456. [ 11 ] Dora J, Gostomczyk M, Jakubiak M, et al. Parametric studies of the effectiveness of NO oxidation process by ozone[ J ]. Chemical and Process Engineering, 2012, ( 32 ): 229 - 239. [ 12 ] 马希红，王建国，朱蒙，等. 低温氧化脱硝技术脱除烟气NOX试验研究[ J ]. 能源与环境，2022（ 3 ）：72 - 74. [ 13 ] Wang Z H, Zhou J H, Zhu Y Q, et al. Simultaneous removal of NOx, SO2 and Hg in nitrogen flow in a narrow reactor by ozone injection: experimental results[ J ]. Fuel Processing Technology, 2007, 88( 8 ): 817 - 823. [ 14 ] Lin F W, Wang Z H, Ma Q, et al. N2O5 formation mechanism dur- ing the ozone-based low-temperature oxidation deNOx process[ J ]. Energy & Fuels, 2016, 30( 6 ): 5 101 - 5 107. [ 15 ] Wang H Q, Zhou K, Sun C L, et al. Numerical evaluation of the ef- fectiveness of NO2 and N2O5 generation during the NO ozonation process[ J ]. Journal of Environmental Sciences, 2016, 41( 3 ): 51 - 58. [ 16 ] 邹洋，刘霄龙，朱廷钰，等. 臭氧氧化结合钙法同时脱硫脱硝的研究[ J ]. 河北冶金，2019，增刊（ 1 ）：22 - 26. [ 17 ] Ji R, Wang J, Xu W, et al. Study on the key factors of no oxidation using o3: The oxidation product composition and oxidation selectivity[ J ]. Industrial & Engineering Chemistry research, 2018, 57( 43 ): 14 440 - 14 447. [ 18 ] Dora J, Gostomczyk M, Jakubiak M, et al. Parametric studies of the effectiveness of NO oxidation process by ozone[ J ]. Chemical and Process Engineering, 2009, 30: 621 - 634. [ 19 ] Jakubiak M, Kordylewski W. The effect of ozone feeding mode on the effectiveness of NO oxidation[ J ]. Chemical and Process Engineering, 2011, 32: 229 - 239.