Journal of contaminant hydrology
Performance and longevity of colloidal silica gel in blocking vertical water flow and contaminant transport in the annuli of long-screened wells: Laboratory and numerical evaluation.
Lirong Zhong, Jonah A Bartrand, Katherine A Muller, Rob D Mackley, Jonathan N Thomle, Zoe G Vincent
Published: 202510.1016/j.jconhyd.2025.104837
Abstract
This laboratory-based study evaluated the performance and long-term (months) stability of colloidal silica (CS) gels in blocking vertical water flow and controlling chemical transport in subsurface applications, especially in the well annuli of long-…
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