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Electro-catalytic membrane reactors for the degradation of organic pollutants – a review
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2021-5-25 , DOI: 10.1039/d1re00091h Priyanka Kumari 1, 2, 3, 4, 5 , Nupur Bahadur 5, 6, 7, 8, 9 , Marc Cretin 10, 11, 12, 13, 14 , Lingxue Kong 1, 2, 3, 4 , Luke A. O'Dell 1, 2, 3, 4 , Andrea Merenda 1, 2, 3, 4 , Ludovic F. Dumée 15, 16, 17, 18, 19
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2021-5-25 , DOI: 10.1039/d1re00091h Priyanka Kumari 1, 2, 3, 4, 5 , Nupur Bahadur 5, 6, 7, 8, 9 , Marc Cretin 10, 11, 12, 13, 14 , Lingxue Kong 1, 2, 3, 4 , Luke A. O'Dell 1, 2, 3, 4 , Andrea Merenda 1, 2, 3, 4 , Ludovic F. Dumée 15, 16, 17, 18, 19
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The occurrence and accumulation of persistent organic pollutants (POPs) in wastewater represent global challenges since they are bio-refractory pollutants, which cannot be remediated with classical wastewater treatment systems. Amongst emerging technologies, POPs may be treated by electrochemical advanced oxidation processes to remediate selective contaminants through specific degradation pathways. Although dense anodic electrodes have been extensively employed in such electrochemical processes, the surface and bulk properties of such electrodes limit the mass transfer and degradation rates of these pollutants, opening the route to the application of porous electrode materials, referred to as electro-catalytic membrane reactors (ECMRs). The application of ECMRs facilitates the degradation of these compounds, while also simultaneously allowing for fine filtration operation. This paper is focussed on discussing the recent development and preparative methods of anodic membranes, and the catalytic performance of these membranes for degradation of organics in wastewater. The effect of physicochemical characteristics such as the surface area, porosity, and morphology on the catalytic performance of the membranes is elaborated. A summary of the most relevant electro-catalytic membrane materials and parameters, which contribute to the electrocatalytic process optimisation, is presented, to investigate the impact of the material properties on the catalytic rate of the reaction for efficient output. Therefore, this aims at critically assessing the properties of electrocatalytic membranes used in ECMR, mechanisms involved in degradation of organic pollutants and optimal parameters to carry out electrocatalytic reactions, which helps in identifying and bridging the research gaps for the large scale employment of ECMRs in wastewater remediation.
中文翻译：
用于降解有机污染物的电催化膜反应器——综述
废水中持久性有机污染物 (POPs) 的发生和积累代表了全球性挑战，因为它们是生物难降解的污染物，传统的废水处理系统无法对其进行修复。在新兴技术中，持久性有机污染物可以通过电化学高级氧化工艺进行处理，以通过特定的降解途径修复选择性污染物。尽管致密阳极电极已广泛用于此类电化学过程，但此类电极的表面和体积特性限制了这些污染物的传质和降解速率，为多孔电极材料（称为电催化膜）的应用开辟了道路反应堆（ECMR）。ECMR 的应用促进了这些化合物的降解，同时还允许精细过滤操作。本文重点讨论了阳极膜的最新发展和制备方法，以及这些膜对废水中有机物降解的催化性能。详细阐述了物理化学特性，如表面积、孔隙率和形态对膜催化性能的影响。概述了有助于电催化过程优化的最相关的电催化膜材料和参数，以研究材料特性对反应催化速率的影响，以实现高效输出。因此，这旨在批判性地评估 ECMR 中使用的电催化膜的性能，
更新日期：2021-06-15
中文翻译：
用于降解有机污染物的电催化膜反应器——综述
废水中持久性有机污染物 (POPs) 的发生和积累代表了全球性挑战，因为它们是生物难降解的污染物，传统的废水处理系统无法对其进行修复。在新兴技术中，持久性有机污染物可以通过电化学高级氧化工艺进行处理，以通过特定的降解途径修复选择性污染物。尽管致密阳极电极已广泛用于此类电化学过程，但此类电极的表面和体积特性限制了这些污染物的传质和降解速率，为多孔电极材料（称为电催化膜）的应用开辟了道路反应堆（ECMR）。ECMR 的应用促进了这些化合物的降解，同时还允许精细过滤操作。本文重点讨论了阳极膜的最新发展和制备方法，以及这些膜对废水中有机物降解的催化性能。详细阐述了物理化学特性，如表面积、孔隙率和形态对膜催化性能的影响。概述了有助于电催化过程优化的最相关的电催化膜材料和参数，以研究材料特性对反应催化速率的影响，以实现高效输出。因此，这旨在批判性地评估 ECMR 中使用的电催化膜的性能，
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