Microplastics-biofilm interactions in biofilm-based wastewater treatment processes: A review

IF 7.6 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Environmental Pollution Pub Date : 2024-08-29 DOI:10.1016/j.envpol.2024.124836

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Abstract

Microplastics, pervasive contaminants from plastic, present significant challenges to wastewater treatment processes. This review critically examines the interactions between microplastics and biofilm-based treatment technologies, specifically focusing on the concepts of “biofilm on microplastics” and “microplastics in biofilm”. It discusses the implications of these interactions in contaminant removal and process performance. Advanced characterization techniques, including morphological characterization, chemical composition analysis, and bio-information analysis, are assessed to elucidate the complex interplay between microplastics and biofilms within biofilters, biological aerated filters (BAFs), rotating biological contactors (RBCs), and moving bed biofilm reactors (MBBRs). This review synthesizes current research findings, highlighting that microplastics can either hinder or enhance the treatment processes, contingent on their concentration, physicochemical properties, and the specific biofilm technology employed. The insights gained from this review are essential for developing strategies to mitigate the adverse effects of microplastics and for optimizing the design and operation of wastewater treatment.

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基于生物膜的废水处理过程中微塑料与生物膜之间的相互作用：综述。

微塑料是塑料中普遍存在的污染物，给废水处理工艺带来了巨大挑战。本综述批判性地研究了微塑料与基于生物膜的处理技术之间的相互作用，尤其侧重于 "微塑料上的生物膜 "和 "生物膜中的微塑料 "这两个概念。报告讨论了这些相互作用对污染物去除和工艺性能的影响。对先进的表征技术（包括形态表征、化学成分分析和生物信息分析）进行了评估，以阐明生物过滤器、生物曝气过滤器 (BAF)、旋转生物接触器 (RBC) 和移动床生物膜反应器 (MBBR) 中微塑料与生物膜之间复杂的相互作用。本综述综述了当前的研究成果，强调微塑料既可以阻碍处理过程，也可以促进处理过程，这取决于微塑料的浓度、理化特性以及所采用的特定生物膜技术。从这篇综述中获得的见解对于制定减轻微塑料不利影响的策略以及优化废水处理的设计和运行至关重要。

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来源期刊

Environmental Pollution 环境科学-环境科学

CiteScore

16.00

自引率

6.70%

发文量

2082

审稿时长

2.9 months

期刊介绍： Environmental Pollution is an international peer-reviewed journal that publishes high-quality research papers and review articles covering all aspects of environmental pollution and its impacts on ecosystems and human health. Subject areas include, but are not limited to: • Sources and occurrences of pollutants that are clearly defined and measured in environmental compartments, food and food-related items, and human bodies; • Interlinks between contaminant exposure and biological, ecological, and human health effects, including those of climate change; • Contaminants of emerging concerns (including but not limited to antibiotic resistant microorganisms or genes, microplastics/nanoplastics, electronic wastes, light, and noise) and/or their biological, ecological, or human health effects; • Laboratory and field studies on the remediation/mitigation of environmental pollution via new techniques and with clear links to biological, ecological, or human health effects; • Modeling of pollution processes, patterns, or trends that is of clear environmental and/or human health interest; • New techniques that measure and examine environmental occurrences, transport, behavior, and effects of pollutants within the environment or the laboratory, provided that they can be clearly used to address problems within regional or global environmental compartments.