Enhancing Gypsum Precipitation In A Compacted Montmorillonite Using An Electrokinetic Method
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About The Author

Shingo Tanaka is an assistant professor at Hokkaido University in the Energy and Environmental Systems. His research focuses on Radioactive waste disposal, Bentonite, Electrokinetic phenomena, Diffusion, Sorption, Sedimentary rock, In-situ tracer migration

                       

Enhancing Gypsum Precipitation In A Compacted Montmorillonite Using An Electrokinetic Method

Despite advances in solution chemistry, little is known about the chemical reactions in confined porous media like compacted clay, where the proportion of liquid is much smaller than that of solid. In this study, gypsum precipitation in low-permeable compacted clay was explored through a novel electrokinetic method. Montmorillonite is a clay mineral and has a negative charge in a layer structure. The negative charge is compensated by exchangeable cations (mainly Na+ and Ca2+ ions) sandwiched between the layers, termed Na/Ca-mixed...

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