Insights into remediation technology for malachite green wastewater treatment

IF 3.7 Q1 WATER RESOURCES Water science and engineering Pub Date : 2023-09-01 DOI:10.1016/j.wse.2023.03.002

Peter Olusakin Oladoye , Timothy Oladiran Ajiboye , Wycliffe Chisutia Wanyonyi , Elizabeth Oyinkansola Omotola , Mayowa Ezekiel Oladipo

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引用次数: 4

Abstract

Malachite green (MG) dye is a common industrial dye and organic contaminant that can be found in (waste)water. Textile and food industries make use of MG as dyeing and food coloring agents, respectively. However, MG is both genotoxic and mutagenic. Hence, the elimination of MG from MG-laden-wastewater is germane. This review summarizes up-to-date researches that have been reported in literature as regards the decontamination of toxic MG wastewater. Various removal methods (adsorption, membrane, Fenton system, and heterogenous and homogeneous photodegradation) were discussed. Of the two basic technologies that are comprehensively explored and reviewed, chemical treatment methods are not as viable as physical removal methods, such as the adsorption technology, due to the lack of secondary pollutant production, simple design, low operation costs, and resource availability. This review also presents various practical knowledge gaps needed for large-scale applications of adsorptive removal methods for MG. It concludes by recommending further research on the techniques of cheap and simple decontamination of MG to get clean water.

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孔雀石绿废水处理修复技术探讨

孔雀绿（MG）染料是一种常见的工业染料，也是废水中常见的有机污染物。纺织和食品工业分别使用MG作为染色剂和食品着色剂。然而，MG具有遗传毒性和诱变性。因此，从含MG的废水中去除MG是密切相关的。本文综述了文献中关于有毒MG废水净化的最新研究。讨论了各种去除方法（吸附法、膜法、芬顿体系法、非均匀和均匀光降解法）。在全面探索和审查的两项基础技术中，由于缺乏二次污染物生产、设计简单、运行成本低、资源可用性，化学处理方法不如物理去除方法（如吸附技术）可行。这篇综述还提出了MG吸附去除方法大规模应用所需的各种实际知识空白。最后，建议进一步研究廉价、简单的MG净化技术，以获得清洁的水。

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来源期刊

Water science and engineering WATER RESOURCES-

CiteScore

6.60

自引率

5.00%

发文量

573

审稿时长

50 weeks

期刊介绍： Water Science and Engineering journal is an international, peer-reviewed research publication covering new concepts, theories, methods, and techniques related to water issues. The journal aims to publish research that helps advance the theoretical and practical understanding of water resources, aquatic environment, aquatic ecology, and water engineering, with emphases placed on the innovation and applicability of science and technology in large-scale hydropower project construction, large river and lake regulation, inter-basin water transfer, hydroelectric energy development, ecological restoration, the development of new materials, and sustainable utilization of water resources.