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Received August 22, 2006
Accepted November 6, 2006
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Mass transfer and reaction process of the wet desulfurization reactor with falling film by cross-flow scrubbing
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
saijc@hit.edu.cn
Korean Journal of Chemical Engineering, May 2007, 24(3), 481-488(8), 10.1007/s11814-007-0084-9
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Abstract
In the present study, a series of wet flue gas desulfurization experiments have been carried out in comparison with different slurry feeding ways, i.e., by series connection and by parallel connection, by means of crossflow scrubbing with falling film. The experiment results show that there is optimal desulfurization performance for the slurry feeding way by series connection. A liquid side mass transfer-reaction model and desulfurization mass transfer by cross-flow scrubbing model have been developed. The pH values of the outlet slurry inside the reactor and the ion concentration distributions of H2SO3, HSO3. and SO32- along the axial direction of the tubes were obtained by analyzing and calculating the models. The calculation values agree well with the experimental values. It shows that the models can predict well the ion concentration distributions along the axial direction of the tubes.
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