全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

活性污泥体系中聚糖菌的富集与鉴定

Keywords: 活性污泥,聚糖菌,富集,16S,rRNA

Full-Text   Cite this paper   Add to My Lib

Abstract:

活性污泥体系中,聚糖菌(GAOs)在厌氧环境下与聚磷菌(PAOs)形成对底物的竞争关系,对聚糖菌的研究对于优化生物除磷工艺有重要意义。以葡萄糖为惟一碳源,在磷限制条件下,利用特殊运行方式对活性污泥进行驯化培养出了稳定的聚糖菌颗粒污泥,厌氧阶段磷释放量与有机物吸收量浓度(mg/L)比从7.4%下降为0.25%。从培养好的活性污泥反应器中分离获得2株聚糖菌,经菌落PCR和16SrRNA序列分析确定了所得聚糖菌菌株G1和菌株G2分别是枯草芽孢杆菌(Bacillussubtilis)和解鸟氨酸克雷伯氏菌(Klebsiellaornithinolytica)。

References

[1]  Satoh H. Deterioration of enchanced biological phosohate removal by the domination of microorganisms without poly-p accumulating. Wat. Sci. Tech. , 1994,30(6) :203 -211.
[2]  Liu W-T, Mino T. , Nakamura K. ,et al. Internal energy- based competition polyphosphate-and glycogen accumulating bacteria in biological phosphorus removal reactorseffect of P/C feeding ratio. Wat. Res. , 1997,31 (6) :1430- 1438.
[3]  Filipe C. D. M. , Daigger G. T. , C. P. Leslie Grady Jr. pH as a key factor in the competition between glycogen accumulationg organisms and phosphorus accumulating organisms. Water Environment Research, 2001,73 (2) : 223 - 232.
[4]  Oehmen A. , Yuan Z. , Blackall L. , et al. Comparison of acetate and propionate uptake by polyphosphate accumulating organisms and glycogen accumulating organisms. Biotechnology and Bioengineering, 2005,91 ( 2 ) : 162 - 168.
[5]  Bond P. L. , Erhart R. , Wagner M. , et al. Identification of some of the major groups of bacteria in efficient and nonefficient biological phosphorus removal activated sludge systems. Applied and Environmental Microbiology, 1999, 65 (9) :4077 - 4084.
[6]  Fuhs G. W. ,Chen M. Microbiological basis of phosphate removal in the activated sludge process for the treatment of wastewater. Microb. Ecol., 1975, 2:119-138.
[7]  Seviour R. J. , Mino T. , Onuki M. The microbiology of biological phosphorus removal in activated sludge systems. FEMS Microbiol. Rev. , 2003, 27: 99- 127.
[8]  Mino T. , Liu W-T, Kurisu F. , et al. Modeling gloycogen storage and denitrification capability of microorganisms in enhanced biological phosphate removal process. Wat. Sci. Tech. , 1995,31 ( 2 ) :25 - 34.
[9]  Saunders A. M. , Oehmen A. , Blackall L. L. , et al. The effect of GAOs on anaerobic carbon requirements in fullscale Australian EBPR plants. Wat. Sci. Tech. , 2003,47 (11) :37 -43.
[10]  Serafim L. S. , Lemos P. C. , Oliveria R. , et al. Optimization of polyhydroxybutyrate production by mixed cultures submitted to aerobic dynamic feeding conditions. Biotechnol. Bioeng. , 2004, 87:145 - 160.
[11]  Liu W.T. Glycogen accumulating population and its anaerobic substrate uptake in anaerobic-aerobic activated sludge without biological phosphorus removal. Water Res., 1996, 30:75-82.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133