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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Recent Engineered nanoparticles were increasingly exposed to environmental system with the wide application and production of nanomaterials, concerns are increasing about their environmental risk to soil and groundwater system. In order to assess the transport behavior of silver nanoparticles (AgNPs), a saturated packed column experiments were examined. Inductively coupled plasma-mass spectrometry and a DLS detector was used for concentration and size measurement of AgNPs. The column experiment results showed that solution chemistry had a considerable temporal deposition of AgNPs on the porous media of solid glass beads. In column experiment, comparable mobility improvement of AgNPs were observed by changing solution chemistry conditions from salts (in both NaCl and $CaCl_2$ solutions) to DI conditions, but in much lower ionic strength (IS) with $CaCl_2$. Additionally, the fitted parameters with two-site kinetic attachment model form the experimental breakthrough curves (BTCs) were associated that the retention rates of the AgNPs aggregates were enhanced with increasing IS under both NaCl and $CaCl_2$ solutions.
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참고문헌 (10)
참고문헌 신청
Bradford, S. A. / 2003 / Modeling colloid attachment, straining, and exclusion in saturated porous media / Environmental Science & Technology 37(10):2242~2250
Deshpande, P.A. / 1999 / Modeling the effects of systematic variation in ionic strength on the attachment kinetics of Pseudomonas fluorescens UPER in saturated sand columns / Water resources research 35(5):1619~1627
Gargiulo, G. / 2007 / Bacteria transport and deposition under unsaturated conditions: The role of the matrix grain size and the bacteria surface protein / Journal of Contaminant Hydrology 92(3):255~273
Kasel, D. / 2013 / Transport and retention of multi-walled carbon nanotubes in saturated porous media: Effects of input concentration and grain size / Water Research 47(2):933~944
Li, Y. / 2008 / Investigation of the transport and deposition of fullerene (C60) nanoparticles in quartz sands under varying flow conditions / Environmental Science &Technology 42(19):7174~7180
Deshpande, P.A. / 1999 / Modeling the effects of systematic variation in ionic strength on the attachment kinetics of Pseudomonas fluorescens UPER in saturated sand columns / Water resources research 35(5):1619~1627
Gargiulo, G. / 2007 / Bacteria transport and deposition under unsaturated conditions: The role of the matrix grain size and the bacteria surface protein / Journal of Contaminant Hydrology 92(3):255~273
Kasel, D. / 2013 / Transport and retention of multi-walled carbon nanotubes in saturated porous media: Effects of input concentration and grain size / Water Research 47(2):933~944
Li, Y. / 2008 / Investigation of the transport and deposition of fullerene (C60) nanoparticles in quartz sands under varying flow conditions / Environmental Science &Technology 42(19):7174~7180
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