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Removal of emerging micropollutants originating from pharmaceuticals and personal care products (PPCPs) in water and wastewater by advanced oxidation processes: A review
Environmental Technology & Innovation ( IF 7.1 ) Pub Date : 2021-06-30 , DOI: 10.1016/j.eti.2021.101757
Radhakrishnan Yedhu Krishnan , Sivasubramanian Manikandan , Ramasamy Subbaiya , Muniyandi Biruntha , Muthusamy Govarthanan , Natchimuthu Karmegam

Because of their intrinsic potential to produce metabolic effects on the human body at smaller concentrations, pharmaceuticals and personal care products (PPCPs) are a distinct category of emerging environmental pollutants. Due to their widespread intake, limited metabolic capacity, and indecorous disposal, PPCPs pollutants are commonly found in water supplies and wastewater treatment plants. If partly oxidized PPCPs are introduced into wastewater treatment plants, they will disrupt biological wastewater treatment procedures. As a result, traditional wastewater treatment plants are inadequate for PPCPs elimination. PPCPs have been effectively eliminated using advanced oxidation methods such as electrochemical oxidation, ultrasonication, and ionizing radiation. This review summarizes recent studies on the removal of PPCPs by advanced oxidation processes, as well as knowledge useful for applying these processes in water and wastewater treatment. The degradation of different classes of PPCPs has been reviewed to analyze (i) significant factors – initial concentration of PPCPs, ultrasonication power, radiation dose, current density, temperature, pH, time, and effect of catalysts; (ii) degradation efficiency of the processes when applied in combination with other advanced oxidation methods; (iii) key factors that affect the removal of PPCPs based on their properties. In addition, suggestions for future studies on advanced oxidation methods and their limitations were discussed. Overall, this review could aid in providing an in-depth understanding of the current research trends concerning PPCPs and advanced oxidation processes.



中文翻译:

通过高级氧化工艺去除水和废水中源自药物和个人护理产品 (PPCP) 的新兴微污染物:综述

由于药物和个人护理产品 (PPCP) 具有在较低浓度下对人体产生代谢影响的内在潜力,因此属于新兴环境污染物的一个独特类别。由于其广泛摄入、有限的代谢能力和无序处置,PPCPs 污染物普遍存在于供水和污水处理厂中。如果将部分氧化的 PPCP 引入废水处理厂,它们将破坏生物废水处理程序。因此,传统的污水处理厂不足以消除 PPCP。PPCPs 已使用高级氧化方法有效消除,例如电化学氧化、超声波处理和电离辐射。本综述总结了最近通过高级氧化工艺去除 PPCP 的研究,以及将这些工艺应用于水和废水处理的有用知识。审查了不同类别 PPCPs 的降解,以分析 (i) 重要因素——PPCPs 的初始浓度、超声处理功率、辐射剂量、电流密度、温度、pH、时间和催化剂的效果;(ii) 当与其他高级氧化方法结合应用时,这些过程的降解效率;(iii) 基于 PPCP 的特性,影响其去除的关键因素。此外,还讨论了对高级氧化方法及其局限性的未来研究的建议。全面的,

更新日期:2021-06-30
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