Degradation of Rhodamine dyes by Advanced Oxidation Processes (AOPs) – Focus on cavitation and photocatalysis - A critical review

IF 4.5 3区 工程技术 Q1 WATER RESOURCES
Ashish V. Mohod , Malwina Momotko , Noor Samad Shah , Mateusz Marchel , Mohammad Imran , Lingshuai Kong , Grzegorz Boczkaj
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引用次数: 1

Abstract

This review evaluates selected advanced oxidation processes (AOPs) - cavitation and photocatalysis - successfully used for wastewater treatment towards degradation of Rhodamine (Rh) dyes. Reactor configuration and impact of process parameters and oxidants addition (hydrogen peroxide, ozone, persulfates) on degradation effectiveness along with degradation mechanisms are discussed. Best technologies provide 100% degradation within 10–30 min. Rhodamine B is effectively degraded in highly acidic conditions (pH 2), while Rhodamine 6G requires basic conditions (pH 10). The most effective oxidants were hydrogen peroxide and ozone. Ecological Structure Activity Relationships (ECOSAR) revealed acute toxicities of the intermediates and by-products of the Rh dye.

高级氧化法降解罗丹明染料——以空化和光催化为重点——综述
这篇综述评估了选定的高级氧化工艺(AOPs)——空化和光催化——成功用于废水处理,以降解罗丹明(Rh)染料。讨论了反应器配置、工艺参数和氧化剂添加(过氧化氢、臭氧、过硫酸盐)对降解效果的影响以及降解机理。最佳技术可在10-30分钟内实现100%的降解。若丹明B在高酸性条件(pH 2)下有效降解,而若丹明6G需要碱性条件(pH 10)。最有效的氧化剂是过氧化氢和臭氧。生态结构-活性关系(ECOSAR)揭示了Rh染料中间体和副产物的急性毒性。
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来源期刊
Water Resources and Industry
Water Resources and Industry Social Sciences-Geography, Planning and Development
CiteScore
8.10
自引率
5.90%
发文量
23
审稿时长
75 days
期刊介绍: Water Resources and Industry moves research to innovation by focusing on the role industry plays in the exploitation, management and treatment of water resources. Different industries use radically different water resources in their production processes, while they produce, treat and dispose a wide variety of wastewater qualities. Depending on the geographical location of the facilities, the impact on the local resources will vary, pre-empting the applicability of one single approach. The aims and scope of the journal include: -Industrial water footprint assessment - an evaluation of tools and methodologies -What constitutes good corporate governance and policy and how to evaluate water-related risk -What constitutes good stakeholder collaboration and engagement -New technologies enabling companies to better manage water resources -Integration of water and energy and of water treatment and production processes in industry
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