Evaluation of effective parameters for volatile organic compounds in porous media with mobile air phase

被引：0
|
作者：
Parashar, R [1 ]
Govindaraju, R [1 ]
机构：
[1] Purdue Univ, Sch Civil Engn, W Lafayette, IN 47906 USA
来源：
TRANSPORT IN POROUS MEDIA | 2006年 / 63卷 / 02期
关键词：
temporal moments; effective parameters; dual-porosity models;
D O I：
10.1007/s11242-005-7485-1
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Soil-venting or vacuum extraction is an effective tool for remediation of soils contaminated with volatile compounds. Brusseau's [Water Resour. Res. 27(12), 3189-3199, 1991] model of fate and transport of volatile compounds in the gaseous phase of dual-porosity soils with rate-limited sorption is adopted in this study. Using temporal moment analysis, expressions for effective velocity and dispersion are derived. The values of effective transport properties are presented for a set of volatile compounds for two typical soils. Sensitivity of these effective parameters to Peclet and Damkohler numbers is discussed.
引用
收藏
页码：349 / 362
页数：14
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