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软木屏障用于修复被林丹污染的土壤

Paula V Remor¹, Julia Isidro², Cristina Saez²

¹Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials (LSRE-LCM) - Chemical Engineering Department, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; Associate Laboratory in Chemical Engineering (ALiCE) - Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, 4200-465 Porto, Portugal; REQUIMTE/LAQV, ISEP, Polytechnic of Porto, Rua Dr. António Bernardino de Almeida 431, 4249-015 Porto, Portugal; Department of Chemical Engineering, Faculty of Chemical Sciences & Technologies, Universidad de Castilla La Mancha, Campus Universitario, s/n, 13071 Ciudad Real, Spain.

Journal of hazardous materials

|August 24, 2023

概括

软木屏障有效地使用电动力学和欧姆加热从土壤中去除了林丹. 气体林丹被软木保留,而电化学过程将林丹转化为不那么有害的污染物.

科学领域:

环境科学环境科学
土壤修复土壤的修复.
电化学电化学电化学

背景情况:

林丹是一种持久性有机污染物,需要有效的土壤整治策略.
传统方法经常面临效率和环境影响方面的挑战.

研究的目的:

为了研究从污染的土壤中在现场去除林丹的方法.
为了评估软木屏障与电动力学和欧姆加热相结合的有效性.
评估表面活性剂溶液在增强林丹去除中的作用.

主要方法:

使用的软木屏障 (垂直和水平) 用于污染物保留.
采用电动力学和欧姆式加热用于土壤修复.
在电解质井中加入表面活性剂溶液,以增强污染物调动.
使用软木颗粒进行吸附试验,以确认气态林丹的保留.

主要成果:

软木屏障在保留挥发性林丹方面表现出有效性.
气态林丹的运输和保留比液态运输更为重要.
表面活性剂的添加对林丹移动性对电极井的影响有限.
由电动力学基本前线驱动的电化学过程,促进了在现场的林丹转化.

结论:

软木屏障是一种有前途的材料,可以在土壤修复过程中捕获挥发性林丹.
电化学转化在在位降解林丹中起着至关重要的作用.
结合电动力学和欧姆加热与软木屏障,为林丹污染的土壤提供了可行的补救方法.

关键词:

吸附方式吸附方式吸附方式软木塞的使用方法电动力学电动力学电动力学林丹·林丹 (Lindane Lindane) 是一个非常有价值的人.透的反应性屏障是一种透的反应屏障.土壤整治土壤整治土壤整治

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Bioremediation

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