膜界面探测技术在石化场地污染精细调查中的应用研究  

Application Study of Membrane Interface Detection Technology in Detailed Investigation of Petrochemical Site Pollution

作　　者：杨帅 张树才 谢谚 姚猛 王昕喆 Yang Shuai;Zhang Shucai;Xie Yan;Yao Meng;Wang Xinzhe(State Key Laboratory of Chemical Safety,Shandong,Qingdao,266104;SINOPEC Safety Engineering Research Institute Co.,Ltd.,Shandong,Qingdao,266104)

机构地区：[1]化学品安全全国重点实验室,山东青岛266104 [2]中石化安全工程研究院有限公司,山东青岛266104

出　　处：《安全、健康和环境》2024年第11期26-33,共8页Safety Health & Environment

基　　金：中国石化科技部项目(322100),石化场地特征污染物迁移扩散及反应性阻隔材料研究。

摘　　要：随着石油、化工企业不断发展,部分石化企业面临原辅材料跑冒滴漏污染土壤和地下水的风险,精确刻画出污染物和赋存介质的空间分布是开展污染场地风险管控的关键环节。通过使用膜界面探测技术,对某在役石化企业的污染现状进行了精细刻画。结果表明电导率值可反映介质颗粒粗细,细砂对应的电导率值主要在0~10 mS/m范围内,而中砂的电导率值一般大于10 mS/m,该场地介质由浅部的细砂逐渐向深过渡至中砂。膜界面探测的火焰离子化检测器检测结果准确刻画了场地3条有机污染羽的范围和程度,综合光离子化检测器检测结果圈定该场地潜在污染范围共有4690 m^(2),光离子化检测值高于1.2×10^(7)μV是场地中含NAPLs的一个判断依据。膜界面探测技术的使用可精准地反映石化场地有机污染物分布及其对应赋存介质的情况,可为后续污染场地治理方案的制定提供依据。With the continuous development of petroleum and chemical enterprises,some petrochemical enterprises are faced with the risk of contamination of soil and groundwater by runoff and leakage of raw and auxiliary materials.Accurately delineating the spatial distribution of contaminants and depositing media is a key aspect of risk control of contaminated sites.By using the membrane interface detection technology,the pollution status of an active petrochemical enterprise was described in detail.The results showed that the conductivity value can reflect the particle size of the medium.The conductivity value of fine sand was mainly in the range of 0~10 mS/m,while the conductivity value of medium sand was generally greater than 10 mS/m.The medium in this site gradually transitioned from shallow fine sand to deep sand.The detection results of the flame ionization detector detected by the membrane interface accurately described the scope and degree of the three organic pollution plumes at the site.The comprehensive detection results of the photoionization detector delineated the potential pollution range of the site as 4690 m^(2),and the detection value of photoionization higher than 1.2×10^(7)μV was a basis for determining the presence of NAPLs in the site.The application of membrane interface detection technology can accurately reflect the distribution of organic pollutants and their corresponding occurrence media in petrochemical sites,and can provide a basis for the formulation of subsequent pollution site treatment plans.

关 键 词：石化场地 污染精细调查 膜界面探测 非水相液体 污染防控 

分 类 号：X53[环境科学与工程—环境工程]