华东理工大学学报:自然科学版2011,Vol.37Issue(5):582-586,5.
紫外辐射加速磺胺甲恶唑(SMX)的生物降解
UV Irradiation for Accelerated Biodegradation of Sulfamethoxazole (SM X)
摘要
Abstract
Three protocols,UV photolysis alone(Ph),biodegradation alone(B),and intimately coupled photolysis and biodegradation(PhB),were respectively used for degradation of sulfamethoxazole(SMX) in batch to test SMX degradation rates and mineralization degree.SMX was more inhibition to biofilm by comparing with the effect of initial SMX concentration on initial SMX degradation rate and average degradation rate,but the inhibition could be relieved by means of UV irradiation,which resulted in accelerated degradation of SMX.The average SMX degradation rate by PhB was twice as that by Ph and 4 times as that by B.The nitrogen has significant effect on bioactivity of biofilm degrading SMX,while the released nitrogen from SMX under UV irradiation was assimilated by biofilm partly.In addition,when protocol PhB was used for degradation of SMX,the mineralization degree could be increased due to synergy of photolysis and biodegradation,and the degree was 8.4 times as protocol Ph and 2.2 times as protocol B.关键词
磺胺甲恶唑(SMX)/光解/生物降解/反应器Key words
sulfamethoxazole(SMX)/photolysis/biodegradation/reactor分类
资源环境引用本文复制引用
许琳科,俞悦,阎宁,张永明..紫外辐射加速磺胺甲恶唑(SMX)的生物降解[J].华东理工大学学报:自然科学版,2011,37(5):582-586,5.基金项目
国家自然科学基金项目 ()
高等学校博士学科点专项科研基金项目 ()
上海市重点学科建设项目 ()