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<p>At present, there is a lack of understanding regarding the extent to which various sources contribute to the total incoming load of microplastics (MPs) into wastewater treatment plants (WWTPs). This study investigated the contribution of an industrial textile laundry facility (ITLF) to the overall influx of MPs and their removal in two WWTPs. MPs were analysed by means of microscopic quantitative analysis in the wash water from a large textile laundry facility, as well as in the influent of the receiving WWTP. Additionally, influent and effluent flows of two WWTPs were analysed. Results demonstrated that a single-point emitter of MPs, i.e. an ITLF, contributed substantially (13%) to the overall influx of MPs in a WWTP. MPs were effectively removed (≥ 99.8% removal, particle size &gt; 50&#xa0;µm) in two separate WWTPs. As indicated in this study, actions mitigating the emission of MPs from single-point emitters are worthwhile and could be more cost-effective than implementing additional treatment processes in the WWTPs.</p>

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The impact of a large textile laundry facility on the overall influx of microplastics and their removal in two wastewater treatment plants in the Netherlands

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月20日

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  • Cheryl Bertelkamp,
  • Eelco Pieke,
  • Sanne Brekelmans,
  • Corine Houtman,
  • Andre Struker,
  • Olivia Traast,
  • Marieke Voeten,
  • Jan Peter van der Hoek

摘要

At present, there is a lack of understanding regarding the extent to which various sources contribute to the total incoming load of microplastics (MPs) into wastewater treatment plants (WWTPs). This study investigated the contribution of an industrial textile laundry facility (ITLF) to the overall influx of MPs and their removal in two WWTPs. MPs were analysed by means of microscopic quantitative analysis in the wash water from a large textile laundry facility, as well as in the influent of the receiving WWTP. Additionally, influent and effluent flows of two WWTPs were analysed. Results demonstrated that a single-point emitter of MPs, i.e. an ITLF, contributed substantially (13%) to the overall influx of MPs in a WWTP. MPs were effectively removed (≥ 99.8% removal, particle size > 50 µm) in two separate WWTPs. As indicated in this study, actions mitigating the emission of MPs from single-point emitters are worthwhile and could be more cost-effective than implementing additional treatment processes in the WWTPs.