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审查环境中新兴的有机污染物(EOC),抗生素抗性细菌(ARB)和抗生素抗性基因(ARG):增加湿地的清除并减少对环境的影响

发布者:抗性基因网 时间:2021-05-28 浏览量:1223

 摘要 

       新兴的有机污染物(EOC)包括各种化合物,例如药品和个人护理产品(PPCP),农药,激素,表面活性剂,阻燃剂和增塑剂。这些化合物中的许多在常规废水处理厂中并未得到明显去除,而是排放到环境中,对人类和自然生态系统构成了越来越大的威胁。近来,由于环境中微生物对抗生素的抗药性日益增强,抗生素已受到相当大的关注。在将经过处理的废水排放到环境中之前,已证明人工湿地(CW)可以有效去除许多EOC,包括不同的抗生素。将常规处理厂与人工湿地和自然湿地相结合的废水处理系统提供了一种策略,可以消除EOC,并比单独常规处理更有效地减少抗生素抗性细菌(ARB)和抗生素抗性基因(ARG)。这篇综述作为对不同湿地系统在降低EOCs和抗生素抗性方面的效率的当前知识的概述。

        Emerging organic contaminants (EOCs) include a diverse group of chemical compounds, such as pharmaceuticals and personal care products (PPCPs), pesticides, hormones, surfactants, flame retardants and plasticizers. Many of these compounds are not significantly removed in conventional wastewater treatment plants and are discharged to the environment, presenting an increasing threat to both humans and natural ecosystems. Recently, antibiotics have received considerable attention due to growing microbial antibiotic-resistance in the environment. Constructed wetlands (CWs) have proven effective in removing many EOCs, including different antibiotics, before discharge of treated wastewater into the environment. Wastewater treatment systems that couple conventional treatment plants with constructed and natural wetlands offer a strategy to remove EOCs and reduce antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs) far more efficiently than conventional treatment alone. This review presents as overview of the current knowledge on the efficiency of different wetland systems in reducing EOCs and antibiotic resistance.

         https://www.sciencedirect.com/science/article/abs/pii/S0960852420304995