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新出现的微污染物的吸附在轮胎磨损颗粒上

Dimitrios Vlachos¹, Dimitra Voutsa¹

¹Environmental Pollution Control Laboratory, School of Chemistry, Aristotle University of Thessaloniki, Thessaloniki 54 124, Greece.

The Science of the total environment

|March 11, 2025

概括

轮胎磨损颗粒 (TWP) 在水生环境中吸收诸如双A (BPA) 和黄 (BT) 等微污染物. 老化过程和盐度会影响这种吸附,TWP显示出与聚乙烯微塑料相似的风险.

科学领域:

环境科学环境科学
环境化学环境化学
材料科学材料科学材料科学

背景情况:

轮胎磨损颗粒 (TWP) 是水生生态系统中微塑料 (MP) 的重要来源.
新兴的微污染物如双A (BPA) 和1H-二 (BT) 经常在水体中检测到.
了解MP的吸附行为对于评估其环境风险至关重要.

研究的目的:

为了研究TWP对BPA和BT的吸附行为.
评估衰老过程 (光衰老,化学衰老,生物衰老) 对TWP吸收的影响.
为了比较TWP与聚乙烯 (PE) 的吸收能力,并评估pH和盐度等环境因素的影响.

主要方法:

进行了批量吸附实验,以确定吸附动力学和热力学平衡.
系统地研究了pH值,离子强度 (盐度) 和衰老对TWP吸附的影响.
还进行了吸附实验,使用聚乙烯 (PE) 作为参考材料进行比较.

主要成果:

TWP显示BPA的吸附亲和力比BT的吸附亲和力高.
TWP的光衰老显著增强了BPA和BT的吸附.
化学和生物老化减少了BPA的吸附,而盐度增加对这两种化合物的吸附产生了负面影响.
TWP的吸附行为与PE相似,表明它具有类似的潜力作为这些微污染物的载体.

结论:

在水生环境中,TWP有效吸收新出现的微污染物BPA和BT.
老化过程和盐度等环境条件显著改变了TWP的吸收能力.
TWP和PE的可比吸附行为表明,TWP与微污染物的载体具有类似的环境风险.

关键词:

1H-二三醇是一种衰老的衰老衰老的衰老双 A 是一种双.微塑料是一种微塑料.聚乙烯聚乙烯的使用方法轮胎的磨损颗粒可能是轮胎的磨损颗粒.

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