含酚工业废水酚降解菌株选育及降解机理探讨  

Selection of phenols degradation strains and degradation mechanism in industrial wastewater containing phenols

作　　者：左建宏[1] 谭立志[1] 陈云生[2] 

机构地区：[1]南华大学医学院微生物教研室,湖南衡阳421001 [2]南华大学公共卫生学院卫检教研室,湖南衡阳421001

出　　处：《中国卫生检验杂志》2008年第9期1737-1738,1766,共3页Chinese Journal of Health Laboratory Technology

基　　金：湖南省自然科学基金(02JJY);湖南省教育厅科技项目(02C339)

摘　　要：目的:选育高效降解苯酚的菌株。方法:紫外线作为诱变剂处理假单胞菌;用析因法优化降解条件。结果:选育的假单胞菌诱变菌株(M3),在苯酚浓度少于600 mg/L,温度为35℃,历经12 h,pH值7.5时,苯酚能被完全降解;苯酚浓度高于600 mg/L时,苯酚降解率随浓度的增高而降低。结论:选育的假单胞菌诱变菌株(M3)在一定的条件下对苯酚具有较好的降解效果。Objective：To select efficient strains of degradation phenols.Methods：Pseudomonas were dealed with UV.The degradation conditions were optimized by the factorial method.Results：Phenols could be totally degraded by Mutation strains（M3） from Pseudomonas after 12 hours when phenols concentration was ≤600 mg/L,the temperature was 35℃,the pH was 7.5.Phenols degradation rates would decrease with the concentration increasing when the concentration was 〉600 mg/L.Conclusion：The Mutation strains has better degration effects on phenols under certain conditions.

关 键 词：紫外诱导 生物降解 苯酚 

分 类 号：R117[医药卫生—公共卫生与预防医学]