Contaminant containment using polymer gel barriers

M.I.M. Darwish, R.K. Rowe, J.R.C. Maarel, van der, L. Pel, H.P. Huinink, P.L.J. Zitha

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Abstract

Polymer gels are well known in the oil industry, but their potential for use as barriers to contaminant transport has not previously received significant study. As a first step, this paper examines the potential for a polyelectrolyte gel to serve as a barrier to the migration of sodium chloride. Two series of tests are reported. These involve the use of hydrogen pulsed field gradient – nuclear magnetic resonance (HPFG–NMR) to measure the self-diffusion on a microscopic scale and the use of magnetic resonance imaging (MRI) to monitor Na¿ and H¿ migration in the polymer gel with time. It is shown that the gel, which has a hydraulic conductivity of 2 × 10¿¹² m/s, has a diffusion coefficient similar to that of compacted clay and greater sorption of Na¿ than is typical for compacted clay.
Original languageEnglish
Pages (from-to)106-117
Number of pages12
JournalCanadian Geotechnical Journal
Volume41
Issue number1
DOIs
Publication statusPublished - 2004

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    Darwish, M. I. M., Rowe, R. K., Maarel, van der, J. R. C., Pel, L., Huinink, H. P., & Zitha, P. L. J. (2004). Contaminant containment using polymer gel barriers. Canadian Geotechnical Journal, 41(1), 106-117. https://doi.org/10.1139/t03-072