关于有毒副产品和全规模紫外线/氯高级氧化水处理技术

IF 11.3 1区 环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL
Nathan Moore*, Nicole Zollbrecht, Tianyi Chen, Lizbeth Taylor-Edmonds, Katie Vanyo, Erin Mackey, Susan Andrews and Ronald Hofmann, 
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引用次数: 0

摘要

这项研究调查了四家使用紫外线/氯高级氧化技术进行饮用水回用或饮用水处理的工厂的副产品形成情况以及体外遗传毒性和细胞毒性。可以说,在紫外线/氯的最常见应用--处理反渗透渗透液用于饮用水回用--中,有机副产物的形成总是未被检测到或远远低于典型的饮用水水平。在一家地下水源饮用水处理厂,通过紫外线反应器,三卤甲烷和卤乙酸的浓度分别增加了 12 微克/升和 40 微克/升,但最终浓度仍低于监管限值。总体而言,除了已知的氯酸盐形成途径外,本研究中观察到的紫外线/氯副产物和体外毒性的形成低于许多含氯(胺)饮用水中通常发现的情况,不过也观察到了一些向溴化物种的转变,鉴于溴化物种的体外毒性高于典型的氯化物种,这可能值得在未来进行研究。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Concerning Toxic Byproducts and Full-Scale UV/Chlorine Advanced Oxidation Water Treatment

Concerning Toxic Byproducts and Full-Scale UV/Chlorine Advanced Oxidation Water Treatment

This work investigated byproduct formation and in vitro genotoxicity and cytotoxicity at four facilities using UV/chlorine advanced oxidation for potable reuse or drinking water treatment. In arguably the most common application of UV/chlorine, treating reverse osmosis permeate for potable reuse, organic byproduct formation was always either not detected or well-below typical drinking water levels. At a groundwater-source drinking water treatment plant, the trihalomethanes and haloacetic acids each increased by up to 12 μg/L through the UV reactor and 40 μg/L during secondary disinfection, but the final concentrations remained low relative to regulatory limits. Overall, and aside from the known pathways of chlorate formation, the UV/chlorine byproduct and in vitro toxicity formation observed in this study was lower than what is generally found in many chlor(am)inated drinking waters, although there was some observed shift to more brominated species, which might be deserving of future research, given their higher in vitro toxicity compared to typical chlorinated species.

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来源期刊
环境科学与技术
环境科学与技术 环境科学-工程:环境
CiteScore
17.50
自引率
9.60%
发文量
12359
审稿时长
2.8 months
期刊介绍: Environmental Science & Technology (ES&T) is a co-sponsored academic and technical magazine by the Hubei Provincial Environmental Protection Bureau and the Hubei Provincial Academy of Environmental Sciences. Environmental Science & Technology (ES&T) holds the status of Chinese core journals, scientific papers source journals of China, Chinese Science Citation Database source journals, and Chinese Academic Journal Comprehensive Evaluation Database source journals. This publication focuses on the academic field of environmental protection, featuring articles related to environmental protection and technical advancements.
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