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Chemcial Industry and Engineering 2010, Vol. 27 Issue (2) :163-166    DOI:
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Mineralization Processes of Desalinated Water by Limestone Dissolution
ZUO Shi-wei~(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 As a post-treatment process,desalinated water was rematerialized by sulfuric acid dissolution limestone.Influence of factors such as pH,limestone size and loading height,flowrate of desalinated water and reaction temperature on mineralization were studied.It is found that the change of pH affect the mineralization most obviously.In a certain range of packing height,the effect of mineralization decreased distinctly with increasing pH value,increased with the rising of packing height,decreased as the flowrate of desalinated water increased,and improved with increasing temperature.When pH=2.00,the calcium concentration is more than 300 mg/L after mineralization.
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Received 2010-03-15; published 2010-03-15
Cite this article:   
ZUO Shi-wei~.Mineralization Processes of Desalinated Water by Limestone Dissolution[J]  Chemcial Industry and Engineering, 2010,V27(2): 163-166
Copyright 2010 by Chemcial Industry and Engineering