Investigation of Denitrifying Phosphorus Removal Organisms in a Two-Sludge Denitrifying Phosphorus Removal Process

被引：2
|
作者：
Zou, Haiming [1 ,2 ]
Lu, Xiwu [1 ]
Shi, Jing [1 ]
机构：
[1] Southeast Univ, Sch Energy & Environm, Nanjing 210096, Jiangsu, Peoples R China
[2] Anhui Sci & Technol Univ, Dept Resource & Environm, Fengyang 233100, Peoples R China
来源：
ASIAN JOURNAL OF CHEMISTRY | 2013年 / 25卷 / 12期
基金：
中国国家自然科学基金;
关键词：
Denitrifying phosphorus removal organisms; Two-sludge; Fluorescence in situ hybridization; CANDIDATUS-ACCUMULIBACTER; ACTIVATED-SLUDGE; PCR-DGGE; MICROBIOLOGY; PROPIONATE; DIVERSITY; REACTOR;
D O I：
10.14233/ajchem.2013.14916
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Denitrifying phosphorus removal organisms in activated sludge samples from a two-sludge denitrifying phosphorus removal process for enhanced biological phosphate removal were investigated by fluorescence in situ hybridization, scanning electron micrograph and energy dispersive spectrometry. The fluorescence in situ hybridization showed that Candidatus accumulibacter phosphatis was dominant in the two-sludge denitrifying phosphorus removal process. By scanning electron micrograph, the morphology of denitrifying phosphorus removal organisms seemed to belong to length streptococcus and its sizes were significantly smaller in anaerobic environment than in anoxic environment. By energy dispersive spectrometry, the phosphorus content of activated sludge collected in this process studied here was 12.3 % of dry weight significantly higher than 3 % in traditional biological phosphorus removal process.
引用
收藏
页码：6826 / 6830
页数：5
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