›› 2009, Vol. 30 ›› Issue (6): 1653-1657.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of organic contaminant transfer through intact composite liner

HE Jun，HE Shi-xiu，HU Qi-zhi   

  1. School of Civil Engineering and Architecture, Hubei University of Technology, Wuhan 430068, China
  • Received:2007-09-17 Online:2009-06-10 Published:2011-03-09

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Abstract:

Besides through the defect of geomembrane, the transfer of organic contaminant through intact composite liner is an important way. A one-dimensional model for analyzing organic contaminant transfer through intact composite liner is established, and then an analytical solution of organic contaminant transfer through intact composite liner is obtained. The comparison between analytical and numerical solutions shows that the analytical solution is reasonable. The effects of GCL and CCL composite liners preventing leakage on organic contaminant are analyzed. CCL composite liner is more effective, and the effectiveness can be improved through modifying soil and its thickness. The choice of organic contaminant influences the result of GCL composite liner greatly, and the change of retard coefficient can be ignored.

Key words: intact composite liner, landfill, organic contaminant, analytical solution

CLC Number: 

  • X 7
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