Investigating the influence of alternative fuels on the properties of sand-bentonite liners

Investigating the influence of alternative fuels on the properties of sand-bentonite liners

Mousa Bani Baker, Adel Hanna, Maria Elektorowicz, Tahar Ayadat, Batool Al-Shorman

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Abstract. Landfills are one of the most effective ways utilized to dispose the wastes and usable up today, most of their failures were suspected due to the failure of their protecting natural liners. Landfill liners failure is one of the most problematic issues that face engineers and expose governments, societies, and the environment to high costs. Protection of groundwater requires that natural landfill liner structure be able to reserve its properties in harsh conditions and over a long period. However, the composition of disposed of residuals might change in the following contemporary trends and it could contain alternative fuels and their impact on natural liners requires further investigations. This paper focuses on the changes in sand-bentonite liner due to the interaction and infiltration of hydrocarbon liquids (alternative fuels); biofuel and ethanol-fuel. In this investigation, an experimental program was carried out to examine the influence of chemical properties of alternative fuels on the hydraulic conductivity, erodibility, swelling potential and shrinkage behaviour of natural liners. Series of laboratory tests were conducted in 20 cm-high PVC columns to investigate the hydraulic conductivity of the liners, swelling behaviour of bentonite when subjected to water, biofuel or ethanol-fuel was assessed by oedometer tests, and shrinking behaviour and cracking patterns of samples taken from the PVC columns were examined employing digital photo analysis. The results can be useful in designing liners, barriers as well in assessing the behaviour of clayey soil in case of accidental spills or intentional discharges.

Landfill, Sand-Bentonite Liner, Biofuel, Ethanol-Fuel, Hydraulic Conductivity, Performance

Published online 8/10/2023, 10 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Mousa Bani Baker, Adel Hanna, Maria Elektorowicz, Tahar Ayadat, Batool Al-Shorman, Investigating the influence of alternative fuels on the properties of sand-bentonite liners, Materials Research Proceedings, Vol. 31, pp 683-692, 2023


The article was published as article 70 of the book Advanced Topics in Mechanics of Materials, Structures and Construction

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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