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浙江大学学报(工学版)
能源与环境工程     
橡胶厂60000 m3/h炭黑干燥炉烟气臭氧脱硝试验研究
朱燕群, 杨业, 黄建鹏, 林法伟, 马强, 徐超群, 王智化, 岑可法
1. 浙江大学 能源清洁利用国家重点实验室,浙江 杭州 310027;
2. 杭州中策清泉实业有限公司,浙江 杭州 311402
Removal of NOx by ozone oxidation from flue gas of 60000 m3/h carbon black drying furnace of rubber plant
ZHU Yan qun, YANG Ye, HUANG Jian peng, LIN Fa wei, MA Qiang, XU Chao qun, WANG Zhi hua, CEN Ke fa
1. State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China;
2. Hangzhou Zhongce Qingquan Industrial Limited Company, Hangzhou 311402, China
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摘要:

为了研究臭氧氧化多种污染物协同脱除技术在实际工业应用中脱硝效率的影响因素,在杭州某橡胶厂中一台尾部烟道进行臭氧氧化多种污染物协同脱除改造后的烟气量为60 000 m3/h的炭黑干燥炉上,开展烟气臭氧脱硝试验研究.试验结果表明,在O3/NOx当量摩尔比>0.7的情况下,吸收塔前较低的烟气温度、烟气在吸收塔内较长的停留时间都有利于脱硝效率的提高;当O3/NOx当量摩尔比=0.73时,脱硝效率随着浆液pH值的增大而逐步提高;当O3/NOx当量摩尔比=1.23时,脱硝效率基本不受浆液pH值的影响;在臭氧脱硝改造工程应用中,烟气温度是影响脱硝效率的重要因素,在洗涤塔前加装汽水换热器对烟气进行降温处理,是一种提高氮氧化物脱除效率的有效方法.

Abstract:

The observation of the removal of NOx by ozone oxidation from flue gas was conducted at a60000m3/h carbon black drying furnace with multi-pollution absorption treatment by ozone oxidation in Hangzhou in order to explore the effect factors of pollutant removal by ozone oxidation in industrial program. Results showed that when the O3/NOx mole ratio was above 0.7, the NOx removal efficiency was enhanced with low temperature of the flue gas in front of the tower and long residence time of the flue gas in spray tower. When the O3/NOx mole ratio was 0.73, the NOx removal efficiency was enhanced with the pH of solution in spray tower. While the O3/NOx mole ratio was 1.23, the pH of solution almost had no effect on the NOx removal efficiency. Considering that temperature of the flue gas is the dominant factor of the NOx removal efficiency, installing a steam water heat exchanger to reduce gas temperature is an effective and available method in industrial program.

出版日期: 2016-10-28
:  X 511  
基金资助:

国家“973”重点基础研究发展规划资助项目(2012CB214906); 国家优秀青年科学基金资助项目(51422605).

作者简介: 朱燕群(1981—),女,工程师,硕士,从事臭氧氧化多种污染物协同脱除的研究. ORCID: 0000-0002-0981-2078. E-mail: yqzhu@zju.edu.cn
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引用本文:

朱燕群, 杨业, 黄建鹏, 林法伟, 马强, 徐超群, 王智化, 岑可法. 橡胶厂60000 m3/h炭黑干燥炉烟气臭氧脱硝试验研究[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2016.10.005.

ZHU Yan qun, YANG Ye, HUANG Jian peng, LIN Fa wei, MA Qiang, XU Chao qun, WANG Zhi hua, CEN Ke fa. Removal of NOx by ozone oxidation from flue gas of 60000 m3/h carbon black drying furnace of rubber plant. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2016.10.005.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2016.10.005        http://www.zjujournals.com/eng/CN/Y2016/V50/I10/1865

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