World Journal of Microbiology and Biotechnology ( IF 4.0 ) Pub Date : 2021-08-21 , DOI: 10.1007/s11274-021-03123-1 Guanlong Yu 1 , Peiyuan Li 1 , Guoliang Wang 1 , Jianwu Wang 1 , Yameng Zhang 1 , Shitao Wang 1 , Kai Yang 1 , Chunyan Du 1 , Hong Chen 1
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Heavy metals and metalloids (HMMs) pose a serious threat to both environmental and human health. The unique characteristics and environmental toxicity of HMMs make their removal from the environment a major challenge. Constructed wetlands (CWs) are increasingly being used as an eco-friendly system for the removal of HMMs from aqueous environments. In this review, bibliometric analysis was performed using the Scopus database using VOSviewer software to assess the developing use of CWs in recent years. Heavy metal and metalloid (HMM) removal pathways were reviewed (such as precipitation, co-precipitation, adsorption and ion exchange, plant action and microbial action) along with the impact of key factors (pH, chemical oxygen demand, dissolved oxygen, HMM concentration, and temperature). This review aimed to establish the connections between published results, to help effectively optimize the use of CWs for the removal of HMMs and identify the most critical factors for their effective removal. Important aspects that require further research include assessing the synergistic toxicity between different pollutants and combining the use of CWs with other technologies to optimize pollutant remediation efficiency.
Graphic abstract
中文翻译：
人工湿地去除重金属和类金属的综述：文献计量学、去除途径和关键因素
重金属和类金属 (HMM) 对环境和人类健康构成严重威胁。HMM 的独特特性和环境毒性使其从环境中去除成为一项重大挑战。人工湿地 (CW) 越来越多地被用作从水环境中去除 HMM 的生态友好系统。在这篇综述中，使用 Scopus 数据库和 VOSviewer 软件进行了文献计量分析，以评估近年来 CW 的发展使用。回顾了重金属和类金属 (HMM) 去除途径（如沉淀、共沉淀、吸附和离子交换、植物作用和微生物作用）以及关键因素（pH、化学需氧量、溶解氧、HMM 浓度）的影响, 和温度）。本综述旨在建立已发表结果之间的联系，以帮助有效优化使用 CW 去除 HMM，并确定对其有效去除的最关键因素。需要进一步研究的重要方面包括评估不同污染物之间的协同毒性，以及将 CW 的使用与其他技术相结合以优化污染物修复效率。
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