The Kinetics of Oxidation Inhibition of Magnesium Sulfite in the Wet Flue Gas Desulphurization Process

被引：14
作者：
Shen, Z-G. [1 ,2 ]
Guo, S-P. [1 ]
Kang, W-Z. [1 ,3 ]
Zeng, K. [1 ]
Yin, M. [1 ]
Tian, J-Y. [1 ]
Lu, J. [1 ]
机构：
[1] E China Univ Sci & Technol, Coll Resource & Environm Engn, Shanghai 200237, Peoples R China
[2] Shanghai Oriential Enviroind Co Ltd, Shanghai 200233, Peoples R China
[3] SINOPEC Ningbo Engn Co Ltd, Ningbo, Zhejiang, Peoples R China
来源：
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2013年 / 35卷 / 20期
关键词：
kinetics; magnesium sulfite; oxidation inhibition; sodium thiosulfate; wet flue gas desulphurization; THIOSULFATE; CATALYST;
D O I：
10.1080/15567036.2011.651561
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Using a stirred bubbling reactor, the kinetics of oxidation inhibition of MgSO3 from a magnesium-based wet flue gas desulphurization process were investigated. The reaction was found to be 0.7 order with respect to magnesium sulfite and -0.3 order with respect to sodium thiosulfate. The pH value should be controlled at a lower level in order to hamper the oxidation of sulfite. The apparent activation energy of the reaction was calculated to be 8.68 kJ/mol and a kinetic model has been established. Pilot tests showed that sodium thiosulfate can effectively inhibit the oxidation of magnesium sulfite in the magnesium-based wet flue gas desulphurization process.
引用
收藏
页码：1883 / 1890
页数：8
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