宋云华¹,陈建铭¹,孟宪强¹,牛晓红²,李正林²,刘欣²,魏玉胜²

• 1:北京化工大学 教育部超重力工程研究中心，北京 100029
• 2:北京阳光欣禾科技有限公司，北京 100029

摘要(Abstract)：

自制中试规模的双级串联填料塔，以臭氧（O₃）作为氧化剂，对尿素溶液吸收二氧化硫和氮氧化物的工艺条件进行了实验研究。分析了尿素脱硫脱硝的机理，考察了液体流量、停留时间、臭氧使用量、pH等因素对SO₂和NO_x脱除率的影响。实验结果表明，当液体流量0.8 m³·h^-1、停留时间40 s、尿素溶液质量分数20%、吸收温度50℃、n（O₃）：n（NO）=1：1、pH为7时，SO₂的脱除率接近100%，NO_x的脱除率可达到87.02%。在本一体化烟气脱硫脱硝过程中烟气中SO₂对脱硝效果有协同作用。

关键词(KeyWords)： 尿素;臭氧;脱硫;脱硝;一体化

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 宋云华¹,陈建铭¹,孟宪强¹,牛晓红²,李正林²,刘欣²,魏玉胜²

DOI: 10.3969/j.issn.1003-9015.2018.02.025

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