| 郭小冬,王磊,田德志,郝贵宝,焦姗.某区域焦化厂遗留地块内及边界外土壤地下水污染分布特征[J].矿产勘查,2026,17(6):1102-1110 |
| 某区域焦化厂遗留地块内及边界外土壤地下水污染分布特征 |
| Distribution characteristics of soil and groundwater pollution in and outside the boundary of a legacy site of a coking plant in certain region |
| 投稿时间：2025-08-26 |
| DOI：10.20008/j.kckc.202606015 |
| 中文关键词: 焦化厂 遗留地块 土壤地下水污染 特征污染物分布 |
| 英文关键词: coking plant remaining plots soil and groundwater pollution distribution of characteristics pollutants |
| 基金项目:本文受国家自然科学基金项目“黄土高陡边坡坡脚毛细水运移及水致软化机制”(42207196)资助。 |
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| 中文摘要: |
| 焦化厂遗留地块土壤地下水污染问题长期以来受到广泛关注。本文以某区域焦化企业拆除后形成的 2处遗留地块为样本，通过样品采集和数据检测统计等方法，开展污染特征研究。结果显示，土壤污染物类型主要为多环芳烃类有机物，污染深度主要集中在表层—浅层，∑PAHs的检出值范围 7.79～13.36 mg/kg；地下水样品中仅检出特征污染物苯，表明挥发性有机物已经扩散至潜水层。地块边界外四周点位均未检出特征污染物，说明污染尚未扩散至企业范围外。研究认为焦化厂污染类型主要为多环芳烃类有机物以及苯系物，污染扩散范围主要聚集在化产区域表层-浅层土壤以及潜水含水层，且尚未扩散至企业范围外部。 |
| 英文摘要: |
| The soil and groundwater pollution issue left by historical coking plants have long been a subject ofwidespread concern. This paper takes two remaining sites formed after the demolition of coking plants as sample,lanuched pollution characteristic research through sample collection and data statistics. The testing results showedthat the main types of soil pollutants are polycyclic aromatic hydrocarbons (PAHs), and the pollution depth ismainly concentrated in the surface to shallow layers, with the testing range of ∑PAHs being 0.1-1.8 mg/kg. Onlythe characteristic pollutant benzene was detected in the groundwater samples, indicating that volatile organic com-pounds have diffused into the phreatic aquifer. The results demonstrate that no characteristic pollutants were de-tected outside the plots, proved that the pollution has not yet spread outside the boundaries of plots.This study con-cludes that the main types of pollution in coking plants are polycyclic aromatic hydrocarbons and benzene series,and the pollution diffusion range is mainly concentrated in the surface to shallow layers of soil and the phreatic aqui-fer within the site's of chemical production area, and has not yet spread beyond the enterprise's boundaries. |
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