文献类型：期刊文献

英文题名：The Kinetics of Oxidation Inhibition of Magnesium Sulfite in the Wet Flue Gas Desulphurization Process

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

年份：2013

卷号：35

期号：20

起止页码：1883

外文期刊名：ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS

收录：;EI(收录号：20133516661767);WOS:【SCI-EXPANDED(收录号:WOS:000322946600001)】；

基金：The present work was supported by the project cooperating with SINOPEC Ningbo Research Institute of Technology and Shanghai Leading Academic Discipline Project (No. B506).

语种：英文

外文关键词：kinetics; magnesium sulfite; oxidation inhibition; sodium thiosulfate; wet flue gas desulphurization

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.