Citation: YANG Jian-guo, YANG Wei-ying, ZHENG Fang-dong, ZHAO Hong. Effects of NH₃ and SO₃ on the generation of ammonium bisulfate and ammonium sulfate[J]. Journal of Fuel Chemistry and Technology, ;2018, 46(1): 92-98. shu

Effects of NH₃ and SO₃ on the generation of ammonium bisulfate and ammonium sulfate

1.
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, China
2.
Shanghai Electric Power Co, Shanghai 200010, China

Corresponding author: ZHAO Hong, zhaohong@zju.edu.com
Received Date: 1 August 2017
Revised Date: 19 October 2017

Fund Project: the Zhejiang Provincial Natural Science Foundation of China LY15E060002The project was supported by the Zhejiang Provincial Natural Science Foundation of China(LY15E060002)

Figures(8)

In order to study the influence of reactant concentration on the formation of ammonium bisulfate and ammonium sulfate, a simulating flue gas system with a more accurate composition of SO₃ was established. The starting temperature of ammonium bisulfate is about 230-270℃ and the peak temperature is about 180-240℃ under the experimental condition. The starting temperature and peak temperature of ammonium sulfate are about 40℃ lower than that of ammonium bisulfate. The formation of ammonium bisulfate is obviously higher than that of ammonium sulfate. With different concentration and molar ratio of NH₃ and SO₃, the formation rate of ammonium bisulfate is about 64%-90%, about 6-10 times of that of ammonium sulfate with about 6%-15% at 120℃. The increase of reactant concentration can promote the formation of both ammonium bisulfate and ammonium sulfate. And SO₃ is more conducive to the formation of ammonium bisulfate than NH₃. Further analysis shows that the variation curve of the generation fraction of ammonium bisulfate and ammonium sulfate with temperature presents a single peak. As the reactant concentration increases, the temperature range at which the peak is located increases gradually.
- ammonium bisulfate,
- ammonium sulfate,
- NH₃,
- SO₃,
- concentration,
- formation rate,
- formation speed
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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Effects of NH3 and SO3 on the generation of ammonium bisulfate and ammonium sulfate

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通讯作者: 陈斌, bchen63@163.com

Effects of NH₃ and SO₃ on the generation of ammonium bisulfate and ammonium sulfate