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通过高级氧化工艺去除水中蓝藻毒素的研究展望

A Perspective on Removal of Cyanotoxins from Water Through Advanced Oxidation Processes.

作者信息

Verma Shilpi, Kumar Praveen, Lavrenčič Štangar Urška

机构信息

School of Energy & Environment Thapar Institute of Engineering & Technology Patiala Punjab 147004 India.

Faculty of Chemistry and Chemical Technology University of Ljubljana Ljubljana 1000 Slovenia.

出版信息

Glob Chall. 2023 Sep 1;7(9):2300125. doi: 10.1002/gch2.202300125. eCollection 2023 Sep.

DOI:10.1002/gch2.202300125
PMID:37745822
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10517290/
Abstract

This perspective discusses the challenges associated with the removal of cyanotoxins from raw water sources for drinking water treatment and the emergence of sulfate radical-based advanced oxidation processes (SR-AOPs) as an effective treatment technique. The advantage of SR-AOPs is that they can be activated using a variety of methods, including heat, UV radiation, and transition metal catalysts, allowing for greater flexibility in treatment design and optimization. In addition, the byproducts of SR-AOPs are less harmful than those generated by OH-AOPs, which reduces the risk of secondary contamination. SR-AOPs generate sulfate radicals (SO ) that are highly selective to certain organic contaminants and have lower reactivity to background water constituents, resulting in higher efficiency and selectivity of the process. The presence of natural organic matter and transition metals in the natural water body increases the degradation efficiency of SR-AOPs for the cyanotoxins. The bromate formation is also suppressed when the water contaminated with cyanotoxins is treated with SR-AOPs.

摘要

本文探讨了饮用水处理中从原水水源去除蓝藻毒素所面临的挑战，以及基于硫酸根自由基的高级氧化工艺（SR-AOPs）作为一种有效处理技术的出现。SR-AOPs的优势在于它们可以通过多种方法激活，包括加热、紫外线辐射和过渡金属催化剂，这使得处理设计和优化具有更大的灵活性。此外，SR-AOPs的副产物比羟基自由基高级氧化工艺（OH-AOPs）产生的副产物危害更小，从而降低了二次污染的风险。SR-AOPs产生的硫酸根自由基（SO ）对某些有机污染物具有高度选择性，对背景水体成分的反应性较低，从而提高了该工艺的效率和选择性。天然水体中天然有机物和过渡金属的存在提高了SR-AOPs对蓝藻毒素的降解效率。在用SR-AOPs处理受蓝藻毒素污染的水时，溴酸盐的形成也受到抑制。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/244d74786067/GCH2-7-2300125-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/7f3c63568cf1/GCH2-7-2300125-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/982c03aaff9a/GCH2-7-2300125-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/44fef4ee002f/GCH2-7-2300125-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/fe1e8b05c47a/GCH2-7-2300125-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/480fb215313a/GCH2-7-2300125-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/244d74786067/GCH2-7-2300125-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/7f3c63568cf1/GCH2-7-2300125-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/982c03aaff9a/GCH2-7-2300125-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/44fef4ee002f/GCH2-7-2300125-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/fe1e8b05c47a/GCH2-7-2300125-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/480fb215313a/GCH2-7-2300125-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/958c/10517290/244d74786067/GCH2-7-2300125-g001.jpg

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