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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2009, Vol. 10 Issue (3): 434-438    DOI: 10.1631/jzus.A0820657
Energy and Chemical Engineering     
Absorption of NO2 into Na2S solution in a stirred tank reactor
Xiang GAO, Rui-tang GUO, Hong-lei DING, Zhong-yang LUO, Ke-fa CEN
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China; School of Energy Source and Environmental Engineering, Shanghai University of Electric Power, Shanghai 200090, China
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Abstract  To understand the absorption mechanism of nitrogen dioxide into a sodium sulfide solution, a stirred tank reactor with a plane gas-liquid interface was used to measure the chemical absorption rate of diluted nitrogen dioxide into sodium sulfide solution. The absorption rates under various experimental conditions were measured and the effects of experimental conditions on nitrogen dioxide absorption rate were discussed. The results show that, in the range of this study, nitrogen dioxide absorption rate increases with increasing sodium sulfide concentration, nitrogen dioxide inlet concentration, and flue gas flow rate, but decreases with increasing reaction temperature and oxygen content in flue gas.

Key words： Nitrogen dioxide      Gas-liquid reaction      Kinetics      Absorption     
Received: 11 September 2008     
CLC:  X7  
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Xiang GAO
Rui-tang GUO
Hong-lei DING
Zhong-yang LUO
Ke-fa CEN
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Xiang GAO, Rui-tang GUO, Hong-lei DING, Zhong-yang LUO, Ke-fa CEN. Absorption of NO2 into Na2S solution in a stirred tank reactor. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(3): 434-438.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820657     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2009/V10/I3/434

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