Biological phosphorus removal with nitrite as election acceptor

被引：2
|
作者：
Zhang, Xiaoling [1 ]
Wang, Zhiying
Zhao, Qing
机构：
[1] Changan Univ, Sch Environm Sci & Engn, Xian 710064, Peoples R China
[2] Xian Univ Architectural Sci, Sch Environm & Municipal Engn, Xian 710055, Peoples R China
来源：
WATER SCIENCE AND TECHNOLOGY | 2006年 / 53卷 / 09期
关键词：
denitrifying phosphorus removal; granular sludge; nitrite; SBR;
D O I：
10.2166/wst.2006.289
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Biological phosphorus removal was studied in a sequencing batch reactor (SBR). The results showed that nitrite could be used as electron acceptor in denitrifying phosphorus removal. Feed mode of nitrite had significant influence on denitrifying phosphorus removal. Anoxic phosphorus assimilation rate could reach 10.44 mgP/gSS.h and the percentage of anoxic phosphorus assimilation amount was more than 97% with continuous feed mode. Granular sludge with denitrifying phosphorus removal activity was found in the SBR. The effects of different operational conditions, such as COD loading, settling time, HRT etc., on the formation of granules were also studied.
引用
收藏
页码：185 / 191
页数：7
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