Numerical simulation for removal of volatile contamination using soil vapor extraction method

ZHANG Bing-yin; WANG Kun-tai; SHI Rui-feng

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Numerical simulation for removal of volatile contamination using soil vapor extraction method

更新时间：2026-06-25

- Numerical simulation for removal of volatile contamination using soil vapor extraction method
- Vol. 25, Issue 4期　刊出日, (2004)
- 作者机构：
  
  清华大学水利水电工程系,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： X53
- Online First：17 July 2014，
  
  Published：2004
- 稿件说明：
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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：

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：

摘要

抽气清除法(SVE)是最常用的清除土壤非饱和区中可挥发污染物的方法之一。介绍和分析了该法的基本原理和工艺过程，建立了描述该法中气体渗流场、污染物相间交换以及污染物随气流场运移3个主要过程的物理模型。分别采用Galerkin法和Laplace变换Galerkin法推导了模拟气体渗流场和污染物随气流运移过程的有限元数值模型，编制了三维有限元程序，给出了1个典型的三维计算实例。

Abstract

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.

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