Selection and dominance mechanisms of denitrifying phosphate-accumulating organisms in biological phosphate removal process

被引：24
|
作者：
Ahn, J [1 ]
Daidou, T [1 ]
Tsuneda, S [1 ]
Hirata, A [1 ]
机构：
[1] Waseda Univ, Dept Chem Engn, Shinjuku Ku, Tokyo 1698555, Japan
来源：
BIOTECHNOLOGY LETTERS | 2001年 / 23卷 / 24期
关键词：
denitrifying phosphate-accumulating organisms; electron acceptor; enhanced biological phosphate removal; fluorescent in situ hybridization;
D O I：
10.1023/A:1013726812529
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
A sequencing batch reactor under different electron acceptor conditions was operated serially to investigate the selection and dominance mechanisms of denitrifying phosphate-accumulating organisms (DNPAOs) in a biological nutrient removal process. The presence of a small amount of NO3- at the start of the anaerobic phase stimulated the selection of DNPAOs in an anaerobic/aerobic system, and switching O-2 to NO3- as an electron acceptor enhanced the activity of anoxic phosphate uptake.
引用
收藏
页码：2005 / 2008
页数：4
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