Measuring air-water interfacial area for soils using the mass balance surfactant-tracer method.
Measuring air-water interfacial area for soils using the mass balance surfactant-tracer method.
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DOI:
10.1016/j.chemosphere.2015.04.035
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发表时间:
2015-09
期刊:
影响因子:
8.8
通讯作者:
Brusseau ML
中科院分区:
文献类型:
--
作者:
Araujo JB;Mainhagu J;Brusseau ML
There are several methods for conducting interfacial partitioning tracer tests to measure air-water interfacial area in porous media. One such approach is the mass balance surfactant tracer method. An advantage of the mass-balance method compared to other tracer-based methods is that a single test can produce multiple interfacial area measurements over a wide range of water saturations. The mass-balance method has been used to date only for glass beads or treated quartz sand. The purpose of this research is to investigate the effectiveness and implementability of the mass-balance method for application to more complex porous media. The results indicate that interfacial areas measured with the mass-balance method are consistent with values obtained with the miscible-displacement method. This includes results for a soil, for which solid-phase adsorption was a significant component of total tracer retention.
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