Study the Effect of Lead on the Engineering Properties of Landfill Liners

International Journal of Civil Engineering

© 2020 by SSRG - IJCE Journal

Volume 7 Issue 7

Year of Publication : 2020

Authors : Ajitha A. R, Dr. Chandrakaran S, Dr. Sheela Evangeline Y

10.14445/23488352/IJCE-V7I7P105

How to Cite?

Ajitha A. R, Dr. Chandrakaran S, Dr. Sheela Evangeline Y, "Study the Effect of Lead on the Engineering Properties of Landfill Liners," SSRG International Journal of Civil Engineering, vol. 7,  no. 7, pp. 23-31, 2020. Crossref, https://doi.org/10.14445/23488352/IJCE-V7I7P105

Abstract:

Landfills are engineered waste containment systems, designed to minimize the impact of solid waste on the environment and human health. In landfills, the waste is contained by a liner system at the bottom and cover system at the top. The barrier layer, the most important component of liner or cover system which is also simply called as a liner, normally consist of a layer of clay or amended clay. The clay barrier layer prevents the leachates/gas generated in the landfill from spreading. Leachate consists of water and heavy metal that accumulate as water percolates through the landfill liner cover or due to squeezing of waste itself. Heavy metal contamination can cause significant changes in properties of clayey soil used as barrier layer, leading to an improvement or degradation in the engineering behaviour of soils. The barrier layers in liner undergo various chemical, biological and physical changes as the leachate percolate through them. This study, details a clay liner designed using locally available soil in Kerala(South India) and evaluate the effect of lead in synthetic leachate on the liner.

Keywords:

MSW, leachate, landfill liner, Heavy metal

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