Performance and potential of bacterial biodegradation of polycyclic aromatic hydrocarbons from micellar solutions

Q1 Environmental Science

Environmental Technology Reviews Pub Date : 2021-01-01 DOI:10.1080/21622515.2021.1989059

M. Aryal

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引用次数: 2

Abstract

ABSTRACT Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental contaminants that are considered toxic, carcinogens, and mutagens. One of the major concerns of environmental problems is the presence of PAHs due to the various natural and anthropogenic activities. The presence of PAHs in the environment creates problems since their presence has a detrimental effect on living beings. Biodegradation of PAHs is an environmentally friendly remediation technique involved in the removal of contaminants from the environment, which can be green and cost-effective, but it is far limited because of their low bioavailability. The presence of surfactants can increase the bioavailability of PAHs in aqueous solutions by lowering both surface tension and interfacial tension simultaneously. The sources and toxicity of PAHs, surfactant-enhanced solubilization of PAHs, inherent bacterial degradation of PAHs, the impact of synthetic and biosurfactant at the PAHs biodegradation, and possible mechanism of bacterial degradation in micellar solutions are presented in this review. GRAPHICAL ABSTRACT

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胶束溶液中多环芳烃的细菌生物降解性能和潜力

多环芳烃(PAHs)是普遍存在的环境污染物，被认为是有毒的、致癌的和诱变的。由于各种自然和人为活动，多环芳烃的存在是环境问题的主要关注点之一。多环芳烃在环境中的存在造成了问题，因为它们的存在对生物有有害影响。多环芳烃的生物降解是一种环境友好型的修复技术，涉及从环境中去除污染物，它可以是绿色和经济的，但由于其生物利用度低，它受到很大的限制。表面活性剂的存在可以通过同时降低表面张力和界面张力来提高多环芳烃在水溶液中的生物利用度。本文综述了多环芳烃的来源和毒性、表面活性剂对多环芳烃的增溶作用、细菌对多环芳烃的固有降解、合成表面活性剂和生物表面活性剂对多环芳烃生物降解的影响以及细菌在胶束溶液中降解多环芳烃的可能机制。图形抽象

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

Environmental Technology Reviews Environmental Science-Water Science and Technology

CiteScore

6.90

自引率

0.00%

发文量