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Hydraulic and chemical evolution of GCLs during filter press and oedopermeametric tests performed with real leachate

Abstract : The solid-waste decomposition inside a municipal solid-waste (MSW) landfill may be enhanced by liquid addition in order to reach landfill stabilization in a reduced period of time as compared to dry-tomb landfills. This liquid addition provides an increased leachate volume and its specific chemical composition leads to fear a degradation of the hydraulic properties of the bottom liner system, especially the mineral part. In this study, the impact of four fluids on the chemical and hydraulic properties of three geosynthetic clay liners (GCLs) currently used in landfill bottom liner systems is evaluated using swelling tests, filter press tests and oedopermeameter tests. Each permeability test is associated to chemical analysis of the fluids before and after contact with the bentonites. The four fluids are two real leachates, a sewage
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https://hal.archives-ouvertes.fr/hal-01913253
Contributor : Sandrine Rosin-Paumier <>
Submitted on : Tuesday, November 6, 2018 - 12:27:19 PM
Last modification on : Monday, May 18, 2020 - 2:37:11 PM
Long-term archiving on: : Thursday, February 7, 2019 - 2:15:38 PM

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S. Rosin-Paumier, N. Touze-Foltz. Hydraulic and chemical evolution of GCLs during filter press and oedopermeametric tests performed with real leachate. Geotextiles and Geomembranes, Elsevier, 2012, 33, pp.15 - 24. ⟨10.1016/j.geotexmem.2012.02.002⟩. ⟨hal-01913253⟩

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