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Immobilization and ammonia removal of photosynthetic bacteria

文献类型： 会议论文

第一作者： Zhan Peirong

作者： Zhan Peirong 1 ; Liu Wei 1 ;

作者机构： 1.Heilongjiang River Fisheries Research Institute, Chinese Academy of Fishery Sciences

关键词： Photosynthetic bacteria;Immobilization;Ammonia removal;Fishpond water

会议名称： International Conference on Energy, Environment and Sustainable Development

主办单位：

页码： 309-312

摘要： The photosynthetic bacteria have been widely used in improving the water environment, especially for pollutant purification. A photosynthetic bacterium was isolated from fish pond sludge using various methods. The bacterium is rod-shaped and slightly curved, and they reproduce by budding. It grew anaerobically when exposed to light and aerobically in darkness. Based on electron microscopy, utilization of carbon sources and amino acids, and factors required for growth, the bacterium is identified as Rhodopseudomonas palustris. The R. palustris was immobilized using different carriers to increase its concentration and its targeted use. The results show that immobilization of the bacteria stabilized the ammonia removal and protected the bacteria from predation by plankton. The method is also easy to use and prolonged the purification effect in the reactor. The immobilized microorganisms are 30%-40% more effective than free bacteria in removing ammonia.

分类号： x1-532

  • 相关文献

[1]Immobilization and ammonia removal of photosynthetic bacteria. Zhan Peirong,Liu Wei. 2013

[2]Performance of sequencing microbead biofilters in a recirculating aquaculture system. Liu, Huang,Che, Xuan,Zhang, Yulei. 2013

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