UV-H_2O_2降解去除饮用水消毒副产物亚硝胺类的性能研究  

PERFORMANCE OF ULTRAVIOLET IRRADIATION/HYDROGEN PEROXIDE(UV-H_2O_2)ON THE DEGRADATION OF NITROSAMINES IN DRINKING WATER

作　　者：周超[1] 

机构地区：[1]上海市政工程设计研究总院(集团)有限公司,上海200092

出　　处：《水处理技术》2015年第3期48-53,共6页Technology of Water Treatment

摘　　要：考察了紫外辐射、双氧水(UV-H2O2)联合处理工艺降解去除饮用水中新型含氮消毒副产物亚硝胺类(NAms)的性能和影响因素,包括双氧水(H2O2)剂量、溶液初始NAms含量和p H。结果表明,所有NAms降解规律均符合准1级动力学方程。在H2O2浓度25μmol/L和初始溶液p H为7时,除了NDPh A需120 min外,质量浓度0.1 mg/L的NAms均可在60 min内完全降解。The performance of the combined process of ultraviolet irradiation and hydrogen peroxide （UV- H2O2） was investigated on the degradation of nitrosamines （NAms）, a new type of nitrogenous disinfection side-product, in drinking water. Factors including H2O2 dosage, initial nitrosamines concent, initial solution pH and others that will affect the degradation-removing efficiency were also evaluated. The results showed that all the nitrosamines degradation met the pseudo first-order kinetics pattern. With 25 μmol/L H2O2 and initial pH being 7, most of the nitrosamines with mass concentration of 0.1 mg/L could be degraded completely within 60min, but NDPhA needed 120 min for the complete removal.

关 键 词：饮用水 消毒副产物 亚硝胺类 控制研究 

分 类 号：TU991.27[建筑科学—市政工程]