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article · Desalination and Water Treatment

Micropollutants in wastewater treatment plants: A bibliometric - bibliographic study

202448 citationsOpen accessAbdelmalek Essaâdi University

In plain language

Global chemical consumption has caused widespread environmental contamination through micropollutants, which can harm aquatic ecosystems and human health even at very low concentrations. An analysis of scientific literature published between 2000 and 2023 tracks the evolution of remediation research using bibliographic and visualisation tools. The data reveals an expanding body of research focused on how both hydrophobic and hydrophilic micropollutants behave within wastewater treatment plants. Concurrently, the review highlights significant progress in developing wastewater treatment methods designed to achieve higher pollutant removal efficiencies. Addressing these persistent water contaminants requires continuous technological development alongside cross-sector collaboration and international policy reforms. Enhancing remediation approaches within treatment facilities remains critical to safeguarding environmental health and mitigating risks to aquatic life and human populations.

Key takeaways

  • Micropollutants cause environmental degradation and threaten human and aquatic health at very low concentrations.
  • Academic literature from 2000 to 2023 shows increasing attention to how micropollutants behave in wastewater treatment plants.
  • Advances in treatment methods offer greater efficiency in removing diverse hydrophilic and hydrophobic contaminants.
  • Sustained technological innovation, cross-sector collaboration, and global policy reforms are needed to address micropollutant pollution.

Why it matters

Micropollutants from pharmaceuticals, industrial chemicals, and household goods enter waterways, threatening human health and aquatic life even in minute amounts. Tracking research trends helps water utilities, environmental regulators, and scientists understand where treatment improvements are occurring. Better removal technologies within wastewater plants are vital to preventing toxic residues from contaminating water supplies and natural ecosystems.

Commercialisation angle

The abstract highlights notable improvements in treatment methods for higher contaminant removal, but it presents a bibliometric study rather than data on a specific technology. Potential beneficiaries include municipal and industrial wastewater plant operators seeking more efficient remediation systems. Because the findings are drawn from broad literature mapping rather than direct technology validation, they offer early-stage strategic direction rather than an immediate commercial product.

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Abstract

The increasing global chemical consumption has led to widespread environmental degradation with micropollutants, sparking deep concerns for both aquatic life and human health. These contaminants, encompassing a range of hydrophobic and hydrophilic substances, can negatively impact the environment at very low concentrations. This investigation, covering literature from 2000 to 2023 extracted from the Scopus database and analyzed using the 'bibliometrix' tool in R, aims to augment our understanding and highlight progress in remediation strategies. Through data visualization with 'biblioshiny' and 'VOSviewer', we observed an increased research interest in the destiny of micropollutants within Wastewater Treatment Plants (WWTPs). The research underscores notable improvements in treatment methods that promise greater efficiency in removing pollutants. It stresses the importance of continuous technological innovation, cross-sector collaboration, and global policy reforms to effectively tackle micropollutant challenges, leading to a cleaner environment and better health outcomes.

Research topics

  • Pharmaceutical and Antibiotic Environmental Impacts
  • Chemistry and Chemical Engineering
  • Water Quality Monitoring and Analysis

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DOI: 10.1016/j.dwt.2024.100190

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