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我们是否高估了工业洗衣机微塑料的贡献? 工业洗衣厂中的微塑料勘探:量化和消除

Yuanli Liu¹, Rupa Chand², Jytte Dencker³

¹College of Environmental and Biological Engineering, Putian University, Putian 351100, Fujian, China; Fujian Provincial Key Laboratory of Ecology-Toxicological Effects and Control for Emerging Contaminants, Putian University, Putian 351100, Fujian, China; Key Laboratory of Ecological Environment and Information Atlas, Fujian Provincial University, Putian, Putian 351100, Fujian, China; Department of the Built Environment, Aalborg University, Thomas Manns Vej 23, Aalborg 9220, Denmark.

Journal of hazardous materials

|April 30, 2025

概括

工业洗衣厂是微塑料 (MP) 污染的主要来源,特别是聚碎片. 像Drum和Ultrafiltration (UF) 这样的过技术有效地清除了90%以上的MP,尽管当地城镇的废水也为此做出了重大贡献.

科学领域:

环境科学环境科学
水处理技术水处理技术
污染控制污染控制

背景情况:

工业洗衣废水是微塑料 (MP) 污染的一个研究不足的来源.
微塑料对水生生态系统和人类健康构成重大威胁.

研究的目的:

为了量化工业洗衣业务的MP贡献.
评估鼓式过和超过 (UF) 在从工业废水中去除MP的有效性.
在研究系统中识别主要的MP类型和来源.

主要方法:

在一个工业洗衣厂及其下游污水处理厂 (WWTP) 进行废水和污泥采样.
多步MP提取涉及酶消化,氧化和浮动.
使用焦点平面阵列-微福利埃变换红外光谱 (FPA-微FTIR) 进行MP识别和量化.
对Drum和UF过系统进行试点规模测试.

主要成果:

工业洗钱被证实是重要的MP来源,聚片段是最普遍的类型.
鼓式和UF过均实现了超过90%的MP清除效率.
质量平衡分析表明,在过试验期间,当地城镇的废水对PM的贡献很大.

结论:

工业洗衣厂是微塑料污染的主要原因之一.
通过有效的过技术进行源控制是减少MP排放的可行策略.
接收工业洗衣废水的污水处理厂必须考虑工业和市政来源的联合MP负载.

关键词:

鼓式和UF过器的过方式工业洗衣工业洗衣工业洗衣在MP移除效率上,MP的移除效率很高.议员们是国会议员.在WWTPs污泥泥中.

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