Antibiotic Removal Based on Constructed Wetland: Mechanism, Performance, and Regulation

IF 6.4 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Current Pollution Reports Pub Date : 2024-10-16 DOI:10.1007/s40726-024-00333-7

Meizi Yang, Shuang Liang, Zhen Hu, Huijun Xie, Linlan Zhuang, Jian Zhang

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Abstract

Purpose of Review

Antibiotics are widely distributed in aquatic environment and pose a potential risk to ecosystems at trace levels. Constructed wetlands (CWs) have been considered a sustainable and low-cost solution for pollutant removal. Therefore, the theme of antibiotic removal in constructed wetlands has become very important.

Recent Findings

Many studies have reviewed the removal performance of antibiotics in different CWs. The properties of antibiotics (such as pKa, LogKow, and toxicity) are reported, which are not linked with their removal performance in different CWs. The dominant pathways for antibiotic removal in different CW configurations remain unknown. Removal of conventional pollutant and antibiotic in CWs are independently studied. The impacts of antibiotic involvement on conventional pollutant removal and changes in microbial communities in CWs need further investigation.

Summary

This review summarized the removal performance of commonly used antibiotics in different types of CWs and identified the specific types of antibiotics (i.e., β-lactams, macrolides, and sulfonamides) that are relatively difficult to remove. It systematically illustrated the mechanisms of essential CW components and their interactions on antibiotic removal. It also discussed the correlation between antibiotic properties and their removal efficiencies, indicating the dominant removal pathways in three CW types. Furtherly, this review analyzed the key operational factor regulation and CW structure modifications on antibiotic removal. Additionally, it concluded that antibiotics generally inhibited the removal of some traditional pollutants (excluding NH₄⁺-N) based on the data from current reports.

Graphical Abstract

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基于建造湿地的抗生素去除：机理、性能和调节

综述目的抗生素广泛分布于水生环境中，对生态系统构成痕量潜在风险。人工湿地（CWs）被认为是一种可持续的、低成本的去除污染物的解决方案。最近的研究结果许多研究都对不同湿地中抗生素的去除性能进行了审查。抗生素的特性（如 pKa、LogKow 和毒性）已被报道，但这些特性与它们在不同化武中的去除性能并无关联。在不同的化武配置中去除抗生素的主要途径仍然未知。对化武中常规污染物和抗生素的去除进行了独立研究。本综述总结了常用抗生素在不同类型化武中的去除性能，并确定了相对难以去除的特定类型抗生素（即 β-内酰胺类、大环内酯类和磺胺类）。它系统地说明了基本 CW 成分及其相互作用对抗生素去除的机制。它还讨论了抗生素特性与其去除效率之间的相关性，指出了三种化武类型的主要去除途径。此外，该综述还分析了抗生素去除的关键操作因素调节和化武结构改变。此外，根据目前的报告数据，本综述还得出结论：抗生素通常会抑制一些传统污染物（不包括 NH4+-N）的去除。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current Pollution Reports Environmental Science-Water Science and Technology

CiteScore

12.10

自引率

1.40%

发文量

期刊介绍： Current Pollution Reports provides in-depth review articles contributed by international experts on the most significant developments in the field of environmental pollution.By presenting clear, insightful, balanced reviews that emphasize recently published papers of major importance, the journal elucidates current and emerging approaches to identification, characterization, treatment, management of pollutants and much more.