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Issue 106, 2016, Issue in Progress
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Experimental investigation of sulfite oxidation enhancement in a micro-pore aeration system

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Abstract

Seawater wet flue gas desulfurization is a promising process for coal-fired power plants. The relationship between sulfite oxidation and different parameters in the process of desulfurization seawater recovery was investigated in a laboratory-scale experimental system. The results suggest that the effect of pH on the KS(IV) shows a trough shape, and the best KS(IV) was achieved in the pH of 5.8. High temperature, salinity and alkalinity show a positive effect on the oxidation of S(IV), whereas the effect of flow rate is more complicated. It is found that micro-pore aeration has a better performance than coarse aeration with low flow rate, which is good for energy savings. In addition, a multi-layer perceptron model has been designed for prediction of the influence of different factors on sulfite oxidation by micro-pore aeration. The results demonstrated that the top five factors were pH, alkalinity, temperature, aeration depth and flow rate.

Graphical abstract: Experimental investigation of sulfite oxidation enhancement in a micro-pore aeration system

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Publication details

The article was received on 30 Jul 2016, accepted on 12 Oct 2016 and first published on 13 Oct 2016


Article type: Paper
DOI: 10.1039/C6RA19337D
Citation: RSC Adv., 2016,6, 104139-104147
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    Experimental investigation of sulfite oxidation enhancement in a micro-pore aeration system

    J. Zhang, C. Zheng, Y. Zhang, Z. Xu, L. Wang, C. Li and X. Gao, RSC Adv., 2016, 6, 104139
    DOI: 10.1039/C6RA19337D

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