Long-term barrier performance of modified bentonite materials against sodium and calcium permeant solutions

T Katsumi, H Ishimori, M Onikata… - Geotextiles and …, 2008 - Elsevier
The results of long-term hydraulic conductivity test results on two modified bentonite
materials, a multiswellable bentonite (MSB) and a dense-prehydrated geosynthetic clay liner …

Membrane behavior in engineered bentonite-based containment barriers: State of the art

C Shackelford, M Manassero… - Coupled …, 2013 - books.google.com
Membrane behavior in clays is a coupled phenomenon that results in solute restriction and
chemico-osmosis. Thus, the containment function of engineered clay-based barriers used …

Hydraulic performance of polymer-modified bentonites for development of modern geosynthetic clay liners: a review

S Keerthana, DN Arnepalli - International Journal of Geosynthetics and …, 2022 - Springer
Smectite-based geosynthetic clay liners (GCLs) are popularly employed as hydraulic
barriers due to their low permeability and high swelling capacity. The exposure of GCLs to …

Membrane behavior and diffusion properties of sand/SHMP-amended bentonite vertical cutoff wall backfill exposed to lead contamination

XL Fu, R Zhang, KR Reddy, YC Li, YL Yang, YJ Du - Engineering Geology, 2021 - Elsevier
This paper presents a laboratory experimental investigation on the membrane behavior and
diffusion properties of sand/sodium hexametaphosphate (SHMP)-amended bentonite …

Chemical compatibility of model soil-bentonite backfill containing multiswellable bentonite

MA Malusis, MD McKeehan - Journal of Geotechnical and …, 2013 - ascelibrary.org
The objective of this study was to evaluate the chemical compatibility of model soil-bentonite
backfills containing multiswellable bentonite (MSB) relative to that of similar backfills …

Calcium-resistant membrane behavior of polymerized bentonite

GL Bohnhoff, CD Shackelford… - Journal of Geotechnical …, 2014 - ascelibrary.org
Traditional (unmodified) sodium bentonite (Na-bentonite) has been shown to exhibit
semipermeable membrane behavior, which is beneficial in terms of the use of Na-bentonites …

Critical review of coupled flux formulations for clay membranes based on nonequilibrium thermodynamics

MA Malusis, CD Shackelford, JE Maneval - Journal of Contaminant …, 2012 - Elsevier
Extensive research conducted over the past several decades has indicated that
semipermeable membrane behavior (ie, the ability of a porous medium to restrict the …

Effect of chemico-osmosis on solute transport in clay barriers

MA Malusis, J Scalia IV, AS Norris… - Environmental …, 2018 - icevirtuallibrary.com
The significance of chemico-osmosis on solute transport through clay barriers exhibiting
membrane behaviour was investigated by conducting coupled solute transport model …

Assessing the influence of chemico-osmosis on solute transport in bentonite membranes based on combined phenomenological and physical modeling

M Malusis, A Dominijanni, J Scalia… - Japanese …, 2021 - jstage.jst.go.jp
The ability of bentonite-based barriers to act as semipermeable membranes that inhibit the
passage of solutes (ions) is well documented. This behavior induces chemico-osmotic liquid …

Hydraulic conductivity of a dense prehydrated GCL: impact of free swell and swelling pressure

G Di Emidio, F Mazzieri, W Van Impe - 4th European Geosynthetics …, 2008 - biblio.ugent.be
Exposure to liquids with high electrolyte concentrations or high cation valence present in
landfill leachates can cause significant increases in hydraulic conductivity of clays due to a …