|本期目录/Table of Contents|

[1]郑守忠,印建朴,熊源泉,等. 尿素、铵根离子溶液/添加剂的湿法脱硝[J].燃烧科学与技术,2011,(01):17-23.
 ZHENG Shou-zhong,YIN Jian-pu,XIONG Yuan-quan,et al. Removal of NOx by Solutions of Urea and Ammonium Ion/Additives[J].Journal of Combustion Science and Technology,2011,(01):17-23.
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 尿素、铵根离子溶液/添加剂的湿法脱硝()
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《燃烧科学与技术》[ISSN:1006-8740/CN:12-1240/TK]

卷:
期数:
2011年01期
页码:
17-23
栏目:
出版日期:
2011-02-15

文章信息/Info

Title:
 Removal of NOx by Solutions of Urea and Ammonium Ion/Additives
作者:
 郑守忠1印建朴1熊源泉2谢红银2史占飞2
 1. 中国水利电力物资有限公司,北京 300044;2. 东南大学能源与环境学院热能工程研究所,南京 210096
Author(s):
 ZHENG Shou-zhong1YIN Jian-pu1XIONG Yuan-quan2XIE Hong-yin2SHI Zhan-fei2
 1. China National Water Resources and Electric Power Materials and Equipment Corporation,Beijing 300044,China;
2. Thermoenergy Engineering Research Institute,School of Energy and Environment,
Southeast University,Nanjing 210096,China
关键词:
 尿素铵根离子添加剂湿法脱硝
Keywords:
 ureaammonium ionadditivewettingdenitrification
分类号:
TQ534.9
文献标志码:
A
摘要:
 对NOx在液相吸收过程中的传质过程进行分析;采用尿素和铵根离子组合成的3 种不同吸收剂,在填有金
属鲍尔环的串联喷淋吸收塔反应器中,对模拟烟气进行湿法脱硝研究;实验分别对气速、液气流量比、吸收剂质量
分数、气体温度、吸收剂温度、添加剂质量分数、NOx 体积分数和SO2 是否存在等条件对脱硝效率的影响规律进行
了研究. 研究表明,铵根离子溶液的脱硝效率不如尿素溶液的脱硝效率高,并且气速、液气流量比、系统温度、添
加剂质量分数和NOx体积分数均对脱硝效率有重要影响;加入2,000×10-6 SO2后,其脱硝效率可提高5%,说明SO2
与NOx在同一系统中具有协调促效作用.
Abstract:
 Mass transfer of NOx in the liquid phase was analysed. Using three different absorbents made of urea and
ammonium,wet denitrification was investigated in sprinkling absorption reactors filled with steel pall rings. A series
of experiments were carried out to study operation parameters,such as gas velocity,ratio of liquid to gas,
absorbent concentration,gas temperature,absorbent temperature,additive concentration,NOx concentration and
SO2 existence. The experimental results indicated that urea solution was more efficient in NOx removal than ammonium
ion solution. At the same time,gas velocity,ratio of liquid and gas,system temperature,additive concentration
and NOx concentration had great effects on the removal efficiency of NOx from flue gas. When 2 000×10-6 SO2
was added,the efficiency of denitrification was improved by 5%,which showed that there existed a mutual promotion
effect of SO2 and NOx in the same system.

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备注/Memo

备注/Memo:
 通讯作者:熊源泉,yqxiong@seu.edu.cn
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