土壤气中挥发性有机物被动采样技术研究进展  

Research Progress on Passive Sampling Technology of Volatile Organic Compounds in Soil Gas

作　　者：张钰萌 吴倩 柳津 丁晓雯 陈丽杰 朱忠志 Zhang Yumeng;Wu Qian;Liu Jin;Ding Xiaowen;Chen Lijie;Zhu Zhongzhi(School of Environmental Science and Engineering,North Electric Power University;CNPC Research Institute of Safety&Environment Technology;PetroChina North China Petrochemical Company Limited)

机构地区：[1]华北电力大学环境科学与工程学院,北京市102206 [2]中国石油集团安全环保技术研究院有限公司 [3]中国石油天然气股份有限公司华北石化分公司

出　　处：《油气田环境保护》2023年第6期1-4,11,共5页Environmental Protection of Oil & Gas Fields

摘　　要：土壤气样品的采集是污染场地调查中挥发性有机物(VOCs)检测和场地风险评估的关键,常用的土壤气采集分为主动式、被动式采样。文章主要介绍了被动式采样的基本原理和被动采样器吸附速率计算公式、采样器结构和常用的吸附剂类型,总结了土壤气中VOCs被动采样技术在国内外的应用研究进展及现场应用中存在的问题,对被动采样技术未来研究方向进行了展望。The collection of soil gas samples is crucial for the detection of volatile organic compounds(VOCs)in contaminated site investigations and subsequent site risk assessment.Common methods for soil gas collection methods can be divided into active and passive sampling.This paper mainly introduces the basic principle of passive sampling,the formula for calculating the adsorption rate of passive sampler,the structure of sampler and the types of adsorbents commonly used.In addition,this paper summarizes the application and research progress of VOCs passive sampling technology in soil gas at home and abroad and the existing problems in field application.Finally,the future research directions of passive sampling technology are prospected.

关 键 词：土壤气 VOCS 被动采样技术 吸附速率 

分 类 号：X53[环境科学与工程—环境工程]