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

页码：1883 / 1890

页数：8

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