利用MIP快速确定某苯系物污染场地污染范围  

Application of the Membrane Interface Probe to Delineate Subsurface BTEX Pollution Plume at a BTEX Contaminated Site

作　　者：王海见 杨苏才 李佳斌 宋云 权腾 王东 

机构地区：[1]轻工业环境保护研究所工业场地污染与修复北京市重点实验室,北京100089

出　　处：《环境科学与技术》2014年第2期96-100,189,共6页Environmental Science & Technology

基　　金：国家自然科学基金项目(41201516);环保公益性行业科研专项(201009015;201409047-03);北京市科学技术研究院创新工程Ⅱ-3:石油类污染物污染场地现场检测与原位修复技术集成与应用

摘　　要：以华北某粗苯/精苯储罐场地为研究对象,采用半透膜介质探测系统(membrane interface probe,MIP)和配备光离子检测器(photo ionization detector,PID)的便携式气相色谱仪(portable gas chromatograph)进行土壤中苯系物电信号值的现场检测,利用传统的采样与分析方法对半透膜介质探测系统和便携式气相色谱仪现场测试结果进行了验证。结果表明,土壤中总苯系物(TBTEX)的含量实测值和MIP-PID检测器电信号值具有一定的关联性,其回归方程为:Y=-0.028X2+166.92X+41 694(R2=0.948 1,n=60);基于15个MIP作业点的MIP-FID检测器电信号值,采用环境可视化软件EVS-Pro(environmental visualization system)建立了该场地包气带土壤中总苯系物电信号值的三维图,并确认了该场地苯系物污染范围。Membrane interface probe （MIP） and portable gas chromatograph combined with photo ionization detector （PIO） were used to detect electrical signal of TBTEX at a crude/pure benzene storage tank site in North China. Traditional sampling and analyzing methods were used to establish the correlations between MIP-PID data and the concentration of BTEX in soil. Results showed that there is a polynomial regression between electrical signal obtained from MIP-PID and the concentration of TBTEX in soil obtained from traditional technologies with equation as Y=-O.O28X2＋166.92X＋41 694;R2=0.948 1,n=60. Three-dimensional image showing TBTEX electrical signal was obtained by the three-dimensional software package EVS- Pro based on 15 MIP borings data, and BTEX pollution plume was recognized in subsurface soil in this site.

关 键 词：半透膜介质探测系统 便携式气相色谱仪 快速场地评估 苯系物 污染场地 

分 类 号：X830.2[环境科学与工程—环境工程]