2009 Volume 3 Issue 2
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Su Tong, Zhang Shuting, Xu Hui. Study on sedimentation rule of iron ion of FGD absorbent liquor[J]. Chinese Journal of Environmental Engineering, 2009, 3(2): 317-321.
Citation: Su Tong, Zhang Shuting, Xu Hui. Study on sedimentation rule of iron ion of FGD absorbent liquor[J]. Chinese Journal of Environmental Engineering, 2009, 3(2): 317-321.
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Study on sedimentation rule of iron ion of FGD absorbent liquor

  • 1.

    Key Laboratory of Industrial Ecology and Environmental Engineering, Ministry of Education, School of Environmental & Biological Science & Technology, Dalian University of Technology,Dalian 116024

  • 2.

    School of Environment Science and Technology, Tianjin University, Tianjin 300072

  • Received Date: 20/08/2008
    Accepted Date: 09/04/2008
    Fund Project:
  • Sodium bisulfite and sodium sulfite were dissolved in water according to certain proportion to simulate the liquor, and a two-compartment electrolysis cell equipped with a neutral-exchange membrane was used. On basis of the sedimentation phenomenon of iron ion on the cathode, sedimentation rule of iron ion and the relationship between sedimentation of iron ion and various parameters, such as electrolytic voltage, sulfur-to-alkali ration, were investigated. It was showed that the sediment on the cathode was FeS and sedimentation mass was found to increase with the increment in electrolytic voltage and the rate of sulfur and alkali. In addition, voltage dropout of cathode cell decreased and the voltage dropout of neutral-exchange membrane increased with the increase of the sedimentation mass of iron ion on the membrane and cathode in the membrane electrolysis process.
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  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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Study on sedimentation rule of iron ion of FGD absorbent liquor

  • Received Date: 20/08/2008
  • Accepted Date: 09/04/2008
Fund Project:

Abstract: Sodium bisulfite and sodium sulfite were dissolved in water according to certain proportion to simulate the liquor, and a two-compartment electrolysis cell equipped with a neutral-exchange membrane was used. On basis of the sedimentation phenomenon of iron ion on the cathode, sedimentation rule of iron ion and the relationship between sedimentation of iron ion and various parameters, such as electrolytic voltage, sulfur-to-alkali ration, were investigated. It was showed that the sediment on the cathode was FeS and sedimentation mass was found to increase with the increment in electrolytic voltage and the rate of sulfur and alkali. In addition, voltage dropout of cathode cell decreased and the voltage dropout of neutral-exchange membrane increased with the increase of the sedimentation mass of iron ion on the membrane and cathode in the membrane electrolysis process.

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