Nanoparticle transport in saturated porous medium using magnetic resonance imaging
Nanoparticle transport in saturated porous medium using magnetic resonance imaging
复制标题
使用磁共振成像在饱和多孔介质中纳米粒子的传输
DOI:
10.1016/j.cej.2014.12.076
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发表时间:
2015
影响因子:
15.1
通讯作者:
Lakshmanan S
中科院分区:
文献类型:
--
作者:
Lakshmanan S
Transport study of nanoparticle (NP) through matrix flow dominated aquifer sand and soils have significant influence in natural systems. To quantify the transport behaviour, magnetic resonance imaging (MRI) was used to image the iron oxide based nanoparticle,Molday ION(carboxyl terminated) through saturated sandstone rock core.T2-weighted images were acquired and the changes in image intensity were calibrated to get a quantitative concentration profiles at various time intervals. These profiles were evaluated through CXTFIT transport model to estimate the transport parameters. These parameters are estimated at various points along the length of the column while classical breakthrough curve analysis cannot provide these details. NP–surface interactions were investigated using DLVO (Derjaguin–Landau–Verwey–Overbeek) theory. The dispersion coefficients (2.55–1.21 × 10−7m2/s) were found to be decrease with distance, deposition rate constantk(6.70–9.13 × 10−4(1/s)) and fast deposition rate constantkfast(4.32–8.79 × 10−2(1/s)) were found to be increase with distance. These parameter variations over length will have a scaling up impact in developing transport models for environmental remediation and risk assessment schemes.
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DOI:
--
发表时间:
1989
期刊:
影响因子:
--
作者:
C. M. Cerda;Kiry Non
通讯作者:
Kiry Non
影响因子:
11.4
作者:
N. Nestle;A. Wunderlich;R. Niessner;T. Baumann
通讯作者:
T. Baumann
影响因子:
4.4
作者:
Phoenix, V. R.;Holmes, W. M.
通讯作者:
Holmes, W. M.
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
Jie Yu;J. Berlin;W. Lu;Lunliang Zhang;A. Kan;Ping Zhang;Erin E. Walsh;S. Work;Wei Chen;J. Tour;M. Wong;M. Tomson
通讯作者:
M. Tomson
影响因子:
3.6
作者:
Werth, Charles J.;Zhang, Changyong;Brusseau, Mark L.;Oostrom, Mart;Baumann, Thomas
通讯作者:
Baumann, Thomas