生物栅系统净化效果及微生物ERIC-PCR指纹图谱分析  

Purification Efficiency of Biological Gird System and Analysis of Microbial ERIC-PCR Fingerprinting

作　　者：于学珍[1,2] 李秀艳[2] 李华芝[2] 徐亚同[2] 

机构地区：[1]江苏省交通科学研究院,江苏南京210017 [2]华东师范大学,上海200062

出　　处：《污染防治技术》2008年第5期13-16,70,共5页Pollution Control Technology

摘　　要：通过常规微生物学分析方法并结合ERIC—PCR指纹图谱技术，分析了生物栅系统中填料生物膜的微生物群落结构，探讨了生物栅系统微生物群落结构与污染物降解的作用关系。结果表明，生物栅集成系统中的微生物数量能维持较高的数量级，填料生物膜上的异养细菌在10^7～10^9数量级，硝酸细菌也在10^5数量级以上；系统对CODcr、NH3-N去除率比空白池分别约高35％、30％，且系统运行中功能细菌数量与污染物去除率呈现出显著的正相关性；ERIC—PCR指纹图谱分析表明，随着系统的运行，各反应池中微生物多样性指数不断增加，微生物种群趋于丰富，相似性指数增高，生物栅系统表现出良好的运行稳定性。The interrelation of the microbial community structures and the degradation of principal pollutants was discussed by general microbiological method and ERIC - PCR fingerprinting analysis. The results showed that microbial amount can keep quantitative level, while the biologic filling quantitative level of heterotrophic bacteria is between 10^7 - 10^9, quantitative level of nitrate is beyond is 103. And the system removal efficieneies of CODcr, NH3 - N are respectively 35% , 30% higher than those of control experiments, and amount of function microbe and the removal effieieneies appeared obvious positive correlation; ERIC - PCR finger- printing analysis indicate that the systemic population diversity indexes and structure similarity are increased, biological gird system have gradually abundant population and stable structure.

关 键 词：生物栅系统 微生物群落结构 ERIC—PCR 

分 类 号：X172[环境科学与工程—环境科学]