相关实验视频

Updated: Jan 14, 2026

Implementation of a Hyperbolic Vortex Plasma Reactor for the Removal of Micropollutants in Water

Implementation of a Hyperbolic Vortex Plasma Reactor for the Removal of Micropollutants in Water

Published on: July 25, 2025

雨水控制措施中的PFAS:清除,分配和长期命运

César Gómez-Ávila¹, Tariq Hussain², Balaji Rao²

¹Texas Tech University, Department of Chemical Engineering, Lubbock, TX, USA.

|October 18, 2025

概括

传统的雨水控制措施 (SCM) 在去除和多基物质 (PFAS) 方面表现出有限的有效性. 大多数PFAS留在过水中,突出了处理这些持久污染物的挑战.

科学领域:

环境化学环境化学
水质管理水质管理
污染物运输污染物运输

背景情况:

和多醇基物质 (PFAS) 是在各种环境矩阵中发现的持久性有机污染物.
传统的雨水控制措施 (SCM) 被广泛用于改善水质,但它们对PFAS的有效性尚不清楚.
雨水中的PFAS污染对水生生态系统构成风险,并可能通过再利用水对人类健康构成风险.

研究的目的:

评估不同传统的SCM在从雨水中去除一系列PFAS化合物的性能.
在SCM中,研究PFAS在颗粒物和过水相之间的分区行为.
在一年的时间内评估PFAS在保留池SCM中的转化和积累潜力.

主要方法:

对雨水流入,废水和SCM中的26种不同的PFAS化合物的分析.
PFAS与悬浮固体和过水 (<0.7微米) 的关联的表征.
在一年内对保留池的SCM进行监测,包括对前体化合物,稳定产品和沉积物的分析.

主要成果:

碳链较长 (≥C9) 的PFAS与较短链 (≤C8) 相比,对颗粒物有更高的亲和力.
大多数传统的SCM显示过水PFAS的去除能力较差 (<0.7μm),其中一些显示PFAS度意外增加.
一个保留池显示了一些颗粒物PFAS的去除和PFAS前体的现场转化证据,但由于蒸发而增加过水PFAS度.

结论:

传统的SCM在很大程度上无法有效地去除PFAS的重要过水分数.
PFAS可以在SCM中的沉积物中持久,转化和积累,特别是保留池.
在雨水中有效管理PFAS需要超越传统SCM的先进处理策略.

关键词:

溶解了已经溶解了在PFAS中,有很多方法.颗粒物颗粒物颗粒物风暴水的风暴水是什么意思雨水控制措施雨水控制措施

更多相关视频

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff

Published on: May 15, 2017

Investigating Long-Distance Transport of Perfluoroalkyl Acids in Wheat via a Split-Root Exposure Technique

Investigating Long-Distance Transport of Perfluoroalkyl Acids in Wheat via a Split-Root Exposure Technique

Published on: September 28, 2022

相关概念视频

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...

Conservation of Mass in Moving, Nondeforming Control Volume

Conservation of Mass in Moving, Nondeforming Control Volume

Stormwater detention basins are essential in managing runoff during heavy rainfall, particularly in urban areas where impervious surfaces increase the risk of flooding. Understanding the conservation of mass in these systems allows engineers to optimize basin performance, balancing inflow, outflow, and water storage.
In the context of a detention basin, the conservation of mass states that the total mass of water entering the basin must equal the mass leaving the basin plus any accumulation of...

Factors Affecting Solubility

Factors Affecting Solubility

Compared with pure water, the solubility of an ionic compound is less in aqueous solutions containing a common ion (one also produced by dissolution of the ionic compound). This is an example of a phenomenon known as the common ion effect, which is a consequence of the law of mass action that may be explained using Le Chȃtelier’s principle. Consider the dissolution of silver iodide:

Bioremediation

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.