185nm紫外光/氧化协同降解水体中微量苯的研究  

Study of degradation of trace benzene in water by 185nm UV light and oxidation technique

作　　者：陆军[1] 朱承驻[2] 

机构地区：[1]合肥工业大学分析测试中心,安徽合肥230009 [2]合肥工业大学资源与环境工程学院,安徽合肥230009

出　　处：《合肥工业大学学报（自然科学版）》2011年第8期1242-1245,1262,共5页Journal of Hefei University of Technology：Natural Science

基　　金：国家自然科学基金资助项目(20977023;40672027)

摘　　要：文章利用185 nm紫外光/氧化协同降解技术对水体中微量苯的降解情况进行了研究,考察了溶液中苯的质量浓度、光解时间、溶液pH值以及加入氧化剂等对苯降解的影响,对光解产物进行了分析,并对其降解机理进行了探讨。研究结果表明,该技术能有效降解水体中微量苯,处理3 min时加入K2S2O8的苯溶液的CODCr的去除率可达到95%以上。The degradation of trace benzene in water was studied by using 185 nm UV light and oxidation technique.The influence of concentration of benzene,degradation time,pH value of solution,and oxidants on the degradation of benzene was investigated.The degradation products were analyzed by using GC/MS method and the degradation mechanism was presented.The results showed that the trace benzene was effectively degradated by 185 nm UV light and oxidation technique,and after treating for 3 min,the degradation efficiency of CODCr in benzene solution reached above 95% when K2S2O8 was added.

关 键 词：185nm紫外光 苯水溶液 降解 过硫酸钾 

分 类 号：X52[环境科学与工程—环境工程]