海口市游泳池中卤化乙酸的检测及其影响因素

Huang Xiao-juan, Guan Qing, Yuan Chun-wei
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摘要

氯消毒具有消毒效果好、消毒能力强、成本低等优点,是一种常用的消毒产品。本研究旨在调查海口市游泳池和温泉浴水中一类消毒副产物卤乙酸(HAAs)的发生情况,并分析其影响因素,为了解海口市游泳池水中卤乙酸(HAAs)消毒副产物污染状况,为制定游泳池水中卤乙酸(HAAs)卫生标准和卫生管理提供参考。样本采集自海口市18个有卫生许可证的游泳场所。从2022年4月到7月。采用高效液相色谱-串联质谱法(HPLC-MS)检测游泳池水中HAAs的浓度,并分析其影响因素。结果表明,室内和室外游泳池中HAAs的平均浓度分别为176.20 μg•L-1和241.53 μg•L-1。室内、室外游泳场所HAAs含量差异有统计学意义(p<0.05)。Pearson相关分析显示,HAAs浓度与游离氯、尿素呈显著正相关(p<0.05)。本次调查的游泳池水质和卫生状况较差。有必要在游泳池卫生标准中制定对HAAs的规定,加强水质卫生管理,并进一步采取有效措施降低HAAs的浓度,以保护游泳者。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Detection of Haloacetic Acid in Swimming Pool in Haikou and Its Influencing Factors
Chlorine disinfection is a commonly applied disinfection products due to its effectiveness, strong disinfection ability, and low cost. The objective of this study is to investigate the occurrence of haloacetic acids (HAAs), a group of disinfection byproducts, in swimming pool and spa water, and analyze its influencing factors, so as to provide reference to understand the pollution status of haloacetic acid (HAAs) disinfection byproducts in swimming pool water in Haikou, for the formulation of hygienic standards and sanitation management of HAAs in swimming pool water. The samples were collected from 18 swimming places with sanitary licenses in Haikou. For a period from April to July 2022. High performance liquid chromatography -tandem mass spectrometry (HPLC-MS) was used to detect the concentration of HAAs in swimming pool water, and its influencing factors were also analyzed. . Results indicated that the levels of average concentration of HAAs in indoor and outdoor swimming pools were 176.20 μg•L-1 and 241.53 μg•L-1, respectively. There were differences in the levels of HAAs in indoor and outdoor swimming places (p<0.05). The Pearson correlation analysis showed that the concentration of HAAs was positively correlated with free chlorine and urea (p<0.05). The water quality and sanitation of the swimming pools in this survey were somewhat poor. It is necessary to formulate the regulation of HAAs in the swimming pool sanitation standards, strengthen the water quality sanitation management, and take further effective measures to reduce the concentration of HAAs to protect swimmers.
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