摘要
目的：建立对投菌生物强化处理废水的效应评估方法。方法：在流化床生物反应器系统处理油脂废水过程中,投加高效油脂降解菌进行强化处理,采用RISA法对生物强化处理油脂废水的效应进行了评估。结果：投加强化菌后,载体表面的球形菌明显增加,丝状菌减少;油脂去除率提高了15%-21%,CODCr去除率提高了20%-23.5%;RISA分析表明,投加的强化菌5d后在系统中还能被检测到,但在第8d时,强化菌的特征谱带已检测不到。结论：投加的强化菌对系统原有菌群结构产生的影响很小;本实验数据可为生物强化技术应用于实际污水处理提供参考。
Objective： To explore a new efficient method of evaluating of the effect of bioaugmentation by adding high effective degradation cuhure. Methods： In the course of aerobic bio - fluidized - bed treating oil and grease wastewater, the treatment is bioaugmented by the addition of high effective oil- grease degradation culture. Using Ribosomal lntergenic Spacer Analysis （RISA）, the Effect of treating oil and grease wastewater by bioaugmentation was evaluated. Results： Biofacies of the surface of carrier is changed after bioaugmentation by the addition of high effective oil - degradation culture. The ococeus increases and filamentous organisms decrease. The oil and grease removal rate is increased by 15% - 21%. The CODcr, removal rate is increased by 20% - 23.5%. Employing RISA molecular biology technology, the microbial community changes of the treating system are analyzed before, and after bioaugmentation. The added culture can exist more than 5 days in the system. But the characteristic band could not been detected in 8th day. Conclusion： The supplemented special culture has small influence on the indigenous microbial community. These results provide reference for practical wastewater treatment by bioaugmentation.
出处
《生物技术》
CAS
CSCD
2007年第3期48-51,共4页
Biotechnology
基金
暨南大学引进人才科研启动项目资助(51204027)
关键词
生物强化
RISA
油脂废水
bioaugmentation
RISA
oil and grease wastewater
