Study on Kinetics of Fe2+ Oxidized by Air in Leaching Solution of Flue Gas Desulfurization with Pyrolusite

Zhu Er-Gang; Su Shi-jun

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Study on Kinetics of Fe2+ Oxidized by Air in Leaching Solution of Flue Gas Desulfurization with Pyrolusite

更新时间：2023-11-14

- Study on Kinetics of Fe2+ Oxidized by Air in Leaching Solution of Flue Gas Desulfurization with Pyrolusite
- Advanced Engineering Sciences Vol. 43, Issue Z1, Pages: 213-217(2011)
- 作者机构：
  
  四川大学建筑与环境学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011，
  
  Published Online：6 April 2011，
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朱二刚,孙维义,苏仕军.空气氧化软锰矿浸出液中Fe2+的动力学研究[J].工程科学与技术,2011,43(Z1):213-217.

Zhu Er-Gang, Su Shi-jun. Study on Kinetics of Fe2+ Oxidized by Air in Leaching Solution of Flue Gas Desulfurization with Pyrolusite. [J]. Advanced Engineering Sciences 43(Z1):213-217(2011)
朱二刚,孙维义,苏仕军.空气氧化软锰矿浸出液中Fe2+的动力学研究[J].工程科学与技术,2011,43(Z1):213-217. DOI：

Zhu Er-Gang, Su Shi-jun. Study on Kinetics of Fe2+ Oxidized by Air in Leaching Solution of Flue Gas Desulfurization with Pyrolusite. [J]. Advanced Engineering Sciences 43(Z1):213-217(2011) DOI：

摘要

中文摘要: 利用空气氧化软锰矿浆烟气脱硫浸出液中的Fe2+，研究了Fe2+浓度、氧分压、氢离子浓度和温度对空气氧化Fe2+的反应速率的影响。结果表明，空气对Fe2+的氧化速率随Fe2+浓度、氧分压和温度的增加而加快，随氢离子浓度的增加而减小。动力学研究结果表明，空气氧化Fe2+的反应对Fe2+浓度为2级，对氧分压为1级，对氢离子浓度为-1级，反应的活化能Ea为101.4308kJ/mol，指前因子A0为2.48×1014s-1。

Abstract

Abstract:Fe2+ is oxidized by air in the leaching solution of flue gas desulfurization with pyrolusite pulp

the effects of Fe2+ concentration

oxygen partial pressure

hydrogen ion concentration and temperature on reaction rate are studied. It’s showed that oxidative reaction rate is quicker with the increase of Fe2+ concentration

oxygen partial pressure and temperature

while slower with the increase of hydrogen ion concentration. It’s showed by the study on the kinetics that the grade for Fe2+ concentration is 2

oxygen partial pressure is 1

and for hydrogen ion concentration is -1

the activation energy Ea is 101.4308kJ/mol

and the pre-exponential factor A0 is 2.48×1014s-1.

关键词

软锰矿空气亚铁动力学

Keywords

pyrolusiteairFerrouskinetics

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