在修复受全氟辛烷磺酸（PFAS）影响的土壤时考虑地下蓄水层的湿度动态

IF 1.8 4区环境科学与生态学 Q3 WATER RESOURCES

Ground Water Monitoring and Remediation Pub Date : 2024-04-13 DOI:10.1111/gwmr.12646

Kayvan Karimi Askarani, John S. Cook, John A. Connor, Charles J. Newell

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引用次数: 0

摘要

油田盐水是易溶、非挥发性和难降解的污染物，很容易受到毛细管效应和蒸发富集的影响，已知会对挖掘后填埋的清洁土壤造成再污染。在全氟烷基磺酸盐（PFAS）场地，一些多氟和全氟烷基物质（PFAS）也可能出现这种问题。在本文中，我们考虑了土壤湿度特性曲线、湿润前沿动力学和湿度再分布周期，以了解不同 PFAS 在渗流区的潜在行为。根据对受盐水泄漏影响的土壤进行修复的经验，我们就土壤挖掘和覆盖补救措施（如毛细管屏障）的设计和实施提出了建议，以防止再次污染。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Consideration of Vadose Zone Moisture Dynamics in Remediation of PFAS-Impacted Soils

Oilfield brines are soluble, non-volatile, and recalcitrant contaminants that are vulnerable to capillary effects and evapoconcentration and have been known to recontaminate clean fill soils emplaced after excavations. This problem may also occur for some poly- and perfluoroalkyl substances (PFAS) at PFAS sites. In this paper, we consider the soil moisture characteristic curve, wetting front dynamics, and the moisture redistribution cycle to understand the potential behavior of different PFAS in the vadose zone. Drawing on experience with remediation of soils impacted by brine spills, we provide recommendations on the design and implementation of soil excavation and cover remedies such as capillary barriers to prevent recontamination.

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来源期刊

Ground Water Monitoring and Remediation 环境科学-水资源

CiteScore

3.30

自引率

10.50%

发文量

审稿时长

>36 weeks

期刊介绍： Since its inception in 1981, Groundwater Monitoring & Remediation® has been a resource for researchers and practitioners in the field. It is a quarterly journal that offers the best in application oriented, peer-reviewed papers together with insightful articles from the practitioner''s perspective. Each issue features papers containing cutting-edge information on treatment technology, columns by industry experts, news briefs, and equipment news. GWMR plays a unique role in advancing the practice of the groundwater monitoring and remediation field by providing forward-thinking research with practical solutions.