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Waste Management & Research, Vol. 21, No. 1, 54-61 (2003)

Use of natural zeolites as a landfill liner

Ahmet Tuncan

Professor,Department of Civil Engineering, Anadolu University, Ikieylül Kampusu, 26555, Eskisehir Turkey

Mustafa Tuncan

Professor,Department of Civil Engineering, Anadolu University, Ikieylül Kampusu, 26555, Eskisehir Turkey

Hakan Koyuncu

Assistant Professor, Department of Civil Engineering, Anadolu University, Ikieylül Kampusu, 26555, Eskisehir Turkey

Yucel Guney

Assistant Professor, Department of Civil Engineering, Anadolu University, Ikieylül Kampusu, 26555, Eskisehir Turkey

The purpose of this study is to investigate certain features of a novel material proposed to serve as an impervious liner in landfills. Various ratios of bentonites and zeolites (B/Z) compacted at optimum water content were tested to determine the strength parameters, permeability, pH, heavy metals and other properties. A B/Z ratio of 0.10 was found to be an ideal landfill liner material regarding its low hydraulic conductivity and high cation exchange capacity. The use of B/Z mixtures as an alternative to clay liners would provide potential to significantly reduce the thickness of base liner for landfills

Key Words: Natural zeolite • bentonite • heavy metals • pH • cation exchange capacity • hydraulic conductivity • flocculation • agglomeration • wmr 588-7.


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