摘要
以南方某水厂的中试和生产紫外消毒装置为基础,考察了紫外和化合氯联合消毒对生物活性炭出水细菌的杀灭效果,对紫外消毒在该水厂的应用效果进行了评价。研究表明,在480 J/m2的剂量下,生物活性炭出水细菌对数去除率可达2.6 lg,但是紫外无持续杀菌作用。水厂的紫外消毒装置总体效果良好,紫外化合氯消毒后出水细菌总数为0,紫外线消毒长时间运行后灭菌效率有所降低;生物活性炭工艺对氯胺消毒副产物有较好的控制效果,紫外消毒未增加氯消毒副产物的生成量。
Based on the pilot and productive ultraviolet disinfection devices in a water plant in the south China,we studied the combined UV and chlorine disinfection effect on biological activated carbon effluent,evaluated the effect of UV disinfection system in the water treatment plant.Studies have shown that the removal rate of biological activated carbon effluent bacteria number could reach 2.6 lg in 480 J/m2 UV dose condition,but UV have no continuous sterilization.UV disinfection system in water treatment plant generally performed wells,the total number of bacteria from the combined UV and chlorine disinfection system effluent was 0,ultraviolet disinfection efficiency reduced after a long time running.Biological activated carbon process have better control effect on chloramines disinfection by-products,UV disinfection does not increase the chlorine disinfection by-products formation.
出处
《水处理技术》
CAS
CSCD
北大核心
2012年第7期71-74,共4页
Technology of Water Treatment
基金
科技部国际合作重点课题资助(2012DFG91380
2007DFB90280)
关键词
生物活性炭
紫外消毒
细菌总数
消毒副产物
biological activated carbon
UV disinfection
the sum of bacteria
disinfection by-products
