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Saturated soil column experiments were conducted to investigate the transport, retention, and release behavior of a low concentration (1 mg L−1) of functionalized 14C-labeled multi-walled carbon nanotubes (MWCNTs) in a natural soil under various solution chemistries. Breakthrough curves (BTCs) for MWCNTS exhibited greater amounts of retardation and retention with increasing solution ionic strength...
This study aims to systematically explore the coupled effects of hydrodynamic and solution chemistry conditions on the long-term transport and deposition kinetics of nanoparticles (NPs) in saturated porous media. Column transport experiments were carried out at various solution ionic strengths (IS), ionic composition, and flow velocities utilizing negatively charged carboxyl-modified latex NPs of...
Water-saturated column experiments were conducted to investigate the effect of input concentration (C o ) and sand grain size on the transport and retention of low concentrations (1, 0.01, and 0.005 mg L −1 ) of functionalized 14 C-labeled multi-walled carbon nanotubes (MWCNT) under repulsive electrostatic conditions that were unfavorable for attachment. The breakthrough curves...
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