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Chemcial Industry and Engineering 2010, Vol. 27 Issue (2) :167-172    DOI:
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Experimental Study on Flue Gas Desulfurization of Seawater and Brine
WU Guo-you~(1,2),XIE Li-xin~(1,2),LI Ping-li~(1,2),WANG Shichang~(1,2)(1.Chemical Engineering Research Center,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;2.Tianjin Key Laboratory of Membrane Science and Desalination Technology,Tianjin University,Tianjin 300072,China)
(1,2),XIE Li-xin~(1,2),LI Ping-li~(1,2),WANG Shichang~(1,2)(1.Chemical Engineering Research Center,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China;2.Tianjin Key Laboratory of Membrane Science and Desalination Technology,Tianjin University,Tianjin 300072,China

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Abstract The desulfurization efficiency of seawater and desalinating byproduct brine were studied by using a spray empty absorption tower.The effects of SO_2 concentration,liquid-gas ratio,temperature,flow rate and other factors on the seawater flue gas desulphurization efficiency were discussed.The desulfurization efficiencies of seawater,distillable desalination brine and reverse osmosis desalination brine were compared.The changes in temperature, pH value,SO~(2-)_3 concentration and SO~(2-)_4 concentration of tower-bottom absorption liquid were investigated.Experimental results show that SO_2 concentration,liquid-gas ratio affect seawater flue gas desulfurization significantly,while the gas temperature, gas flow rate exert relatively small influence on desulfurization.When the liquid-gas ratio is 9.6 L/m~3,gas residence time is 3.08 s,SO_2 concentration is lower than(1 000)��10~(-6),the desulfurization rates of seawater,distillation and reverse osmosis brine are more than 95%.
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Received 2010-03-15; published 2010-03-15
Cite this article:   
WU Guo-you~.Experimental Study on Flue Gas Desulfurization of Seawater and Brine[J]  Chemcial Industry and Engineering, 2010,V27(2): 167-172
Copyright 2010 by Chemcial Industry and Engineering