ZHANG Bing-yin, WANG Kun-tai, SHI Rui-feng. Numerical simulation for removal of volatile contamination using soil vapor extraction method[J]. 2004, 25(4期 刊出日).
ZHANG Bing-yin, WANG Kun-tai, SHI Rui-feng. Numerical simulation for removal of volatile contamination using soil vapor extraction method[J]. 2004, 25(4期 刊出日).DOI:
Soil vapor extraction (SVE) technology is one of the most useful methods to remove volatile organic compounds(VOCs) in unsaturated soil. The principle and technique of SVE are reviewed firstly. A mathematical model of SVE is then established to describe the three principal processes in SVE
namely gas flow in unsaturated soil
phase mass exchange and contaminant transport along with the gas flow. Numerical equations for simulating gas flow and contaminant transport are derived respectively using Galerkin technique and Laplace Transformation Galerkin Technique. Three dimensional finite element computing program is developed and typical three dimensional example is presented and discussed.