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A Comparison of the Environmental Impact of Different AOPs: Risk Indexes

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal 31 Dec 2014 Spain Publisher:MDPI AGJournal:Molecules, volume 20, pages 503-518 (eissn: 1420-3049,

Authors: Giménez Farreras, Jaume; Bayarri Ferrer, Bernardí; González, O.; Malato, Sixto; Peral, J.; Esplugas Vidal, Santiago;

doi: 10.3390/molecules20010503

pmid: 25558859

pmc: PMC6272374

A Comparison of the Environmental Impact of Different AOPs: Risk Indexes

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Abstract

Today, environmental impact associated with pollution treatment is a matter of great concern. A method is proposed for evaluating environmental risk associated with Advanced Oxidation Processes (AOPs) applied to wastewater treatment. The method is based on the type of pollution (wastewater, solids, air or soil) and on materials and energy consumption. An Environmental Risk Index (E), constructed from numerical criteria provided, is presented for environmental comparison of processes and/or operations. The Operation Environmental Risk Index (EOi) for each of the unit operations involved in the process and the Aspects Environmental Risk Index (EAj) for process conditions were also estimated. Relative indexes were calculated to evaluate the risk of each operation (E/NOP) or aspect (E/NAS) involved in the process, and the percentage of the maximum achievable for each operation and aspect was found. A practical application of the method is presented for two AOPs: photo-Fenton and heterogeneous photocatalysis with suspended TiO2 in Solarbox. The results report the environmental risks associated with each process, so that AOPs tested and the operations involved with them can be compared.

Country

Spain

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Keywords

Avaluació d'impacte ambiental, Organic chemistry, Environment, Wastewater, Risk Assessment, Article, Water Purification, QD241-441, AOPs comparison, Avaluació del risc ambiental, Risk assessment, environmental risk indexes, risk assessment, Environmental risk indexes, sustainability, Environmental risk assessment, Sustainability, Environmental impact analysis, AOPs environmental impact, Oxidation-Reduction

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