环糊精对硝基化合物混合体系微生物降解影响  

Biodegradation influence of cyclodextrin on mixed system of nitrobenzene and p-nitrophenol

作　　者：王灿[1] 高士祥[1] 杨光俊[1] 邵云[1] 王连生[1] 

机构地区：[1]南京大学环境学院污染控制与资源化国家重点实验室,江苏南京210093

出　　处：《中国环境科学》2004年第4期429-432,共4页China Environmental Science

基　　金：国家自然科学基金资助项目(20077013);教育部博士点基金资助项目(2000028423)

摘　　要：通过对硝基苯和对硝基苯酚混合体系微生物降解过程的研究,探讨了在降解过程中加入-环糊精及其衍生物羧甲基--环糊精(CMCD)对混合体系微生物降解的影响.研究表明,对硝基苯酚不能被单独降解;硝基苯能与对硝基苯酚产生共代谢作用,对硝基苯酚浓度影响混合体系的降解程度.加入环糊精能促进对硝基苯酚的降解率,影响程度与对硝基苯酚的浓度和环糊精的种类及量有关.Through studies on the biodegradation course of nitrobenzene and p-nitrophenol mixed system, the influence of adding -cyclodextrin and its derivative carboxymethyl--cyclodextrin (CMCD) on the biodegradation of the mixed system was explored. P-nitrophenol could not be degraded alone. P-nitrophenol could produce co-metalolism with nitrobenzene; and its concentration influenced the degradation degree of the system. Addition of cyclodextrin could promote the degradation rate of p-nitrophenol, the degree of influence was related to the concentration of p-nitrophenol and the kind and amount of cyclodextrin.

关 键 词：硝基苯 对硝基苯酚 环糊精 微生物降解 

分 类 号：X172[环境科学与工程—环境科学]