二氧化氯与氯对饮用水中消毒副产物形成的研究  

Formation of Disinfection By-products in Drinking Water With Chlorine Dioxide and Chlorine

作　　者：朱明新[1] 孙轶民[2] 沈丽娜[2] 徐炎华[1] 伏荣进 

机构地区：[1]南京工业大学环境学院,江苏南京210009 [2]南京工业大学环境科技有限公司,江苏南京210009 [3]南京市产品质量监督检验院,江苏南京210028

出　　处：《南京师大学报（自然科学版）》2012年第4期55-58,共4页Journal of Nanjing Normal University(Natural Science Edition)

基　　金："863"重大专项课题(2007AA06A402);国家重大科技支撑计划课题(2006BAC02A15);江苏省科技支持计划课题(BE2010504)

摘　　要：采用氯和二氧化氯作为消毒剂,用模拟水样和实际水样比较这两种消毒剂的消毒副产物产生量及其消毒效果.实验结果表明:在不同腐殖酸浓度、消毒剂浓度及pH下,氯消毒产生的三氯甲烷都比二氧化氯消毒产生的多;从成本上看,不同二氧化氯制备方法所需的药剂成本都比液氯高,其中过氧化氢法所需的成本较低,是液氯的1.4～2.5倍;而盐酸法和亚氯酸钠法所需的成本较高,是液氯的4～5倍.Disinfecting effect of chlorine and chlorine dioxide has been compared by using simulating water and actual water samples. The result indicates that chlorine disinfection produces more chloroform than chlorine dioxide at the conditions of different humic acid concentration, disinfectants concentration and pH value. From a cost consideration, the pharmaceutical cost used by chlorine dioxide disinfection is higher than chlorine disinfection. The raw material cost of hydrogen peroxide method is lower, while the raw material cost of hydrochloric acid method and sodium chlorite method is hi^her. Resoectivelv. the cost is 1.4 - 2.5 times and 4 - 5 times more than chlorine.

关 键 词：氯 二氧化氯 三卤甲烷 制备 

分 类 号：X8[环境科学与工程—环境工程]