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氯消毒剂可与水中有机物反应生成氯化消毒副产物(DBPs)。在室内泳池环境中,有机物种类多、持续浓度高;且DBPs可以通过呼吸、皮肤渗透和吞饮池水三大途径与人体接触,对人体健康造成危害。作为对《游泳池水质标准》(CJ 244-2007)进行修编的重要参考依据,选择了10家不同规模和类型的室内泳池进行了水质取样分析,分析确定我国室内泳池水中以三氯甲烷和氯乙酸为代表的氯消毒副产物实际存在状况。结果表明:在10个室内泳池水中,氯乙酸(HAAs)和三氯甲烷(THMs)都有存在,平均浓度THMs为29.2μg/L,HAAs为79.4μg/L,HAAs的浓度高于THMs。在此基础上,结合泳池水特点,通过与饮用水进行对比分析探讨了其消毒副产物的生成特点和危害途径;同时对《游泳池水质标准》中DBPs参数的选择给出了建议。
Chlorine disinfectants can react with water to form chlorinated disinfection by-products (DBPs). In the indoor swimming pool environment, there are many kinds of organic substances with high sustained concentrations. DBPs can cause harm to human health through the three ways of breathing, skin penetration and swallowing water. As an important reference basis for the revision of “Swimming Pool Water Quality Standard” (CJ 244-2007), 10 indoor swimming pools of different sizes and types were selected for water quality sampling and analysis to determine the indoor water quality of China’s swimming pool with chloroform and chlorine Acetic acid as the representative of the actual status of chlorine disinfection by-products. The results showed that HAAs and THMs were present in 10 indoor swimming pools. The average concentration of THA was 29.2μg / L, HAAs was 79.4μg / L, HAAs were higher than THMs. On this basis, combined with the characteristics of swimming pool water, through the comparative analysis with drinking water to explore the characteristics of its disinfection by-products and harm ways; at the same time on the “pool water quality standards” in the choice of DBPs parameters are given.