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Plastic microfibre pollution: how important is clothes' laundering?

Christine Gaylarde1, Jose Antonio Baptista-Neto2, Estefan Monteiro da Fonseca2

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Textile laundering is a major source of ocean plastic microfibre pollution, primarily from polyethylene terephthalate (PET). Controlling this requires textile and appliance improvements, consumer choices, and potentially government regulation.

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Area of Science:

  • Environmental Science
  • Materials Science
  • Oceanography

Background:

  • Domestic and commercial textile laundering releases significant plastic microfibres into marine environments, constituting up to 90% of primary microplastics.
  • Polyethylene terephthalate (PET) is identified as the most prevalent microfibre pollutant from synthetic textiles.

Purpose of the Study:

  • To review current knowledge on worldwide plastic microfibre pollution from textile laundering.
  • To explore potential control strategies for mitigating microfibre release and environmental impact.

Main Methods:

  • Literature review of studies on microfibre release during washing and drying.
  • Analysis of microfibre fate in wastewater treatment plants (WWTPs) and marine ecosystems.
  • Discussion of environmental effects on aquatic organisms and potential control measures.

Main Results:

  • Microfibres, due to their size and shape, are readily ingested by aquatic organisms, posing environmental risks.
  • Wastewater treatment plant (WWTP) modifications and simulation laundering studies can aid in reducing microfibre release.
  • Consumer laundering habits and choices significantly influence microfibre pollution levels.

Conclusions:

  • Effective control requires a multi-faceted approach including textile and appliance design improvements, consumer education, and regulatory measures.
  • Government regulations, similar to those in France, may be essential for substantial reduction of microfibre pollution from laundry.
  • Further research and development are needed for standardized testing methods and advanced WWTP technologies.