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不同碳源驯化除磷污泥的除磷效果及菌群结构分析

夏 雪 邵明非 吕小梅 李 继 刘洞阳

夏 雪, 邵明非, 吕小梅, 李 继, 刘洞阳. 不同碳源驯化除磷污泥的除磷效果及菌群结构分析[J]. 环境科学研究, 2014, 27(8): 936-942.
引用本文: 夏 雪, 邵明非, 吕小梅, 李 继, 刘洞阳. 不同碳源驯化除磷污泥的除磷效果及菌群结构分析[J]. 环境科学研究, 2014, 27(8): 936-942.
XIA Xue, SHAO Ming-fei, LYU Xiao-mei, LI Ji, LIU Dong-yang. Phosphorus Removal Performance and Bacterial Community Structure of Denitrifying Phosphorus Removal Sludge Operated with Different Carbon Sources[J]. Research of Environmental Sciences, 2014, 27(8): 936-942.
Citation: XIA Xue, SHAO Ming-fei, LYU Xiao-mei, LI Ji, LIU Dong-yang. Phosphorus Removal Performance and Bacterial Community Structure of Denitrifying Phosphorus Removal Sludge Operated with Different Carbon Sources[J]. Research of Environmental Sciences, 2014, 27(8): 936-942.

不同碳源驯化除磷污泥的除磷效果及菌群结构分析

基金项目: 国家水体污染控制与治理科技重大专项(2012ZX07313-001);深圳市基础研究项目(JC201105160582A);2012年度深圳市环境科研课题

Phosphorus Removal Performance and Bacterial Community Structure of Denitrifying Phosphorus Removal Sludge Operated with Different Carbon Sources

  • 摘要: 采用SBR反应器,分别以乙酸钠、甘油、丙酸钠为单一碳源,在严格厌氧/缺氧条件下驯化培养反硝化除磷污泥,考察不同碳源对反硝化除磷效果的影响,并采用高通量测序技术研究了不同碳源除磷污泥的菌群结构,分析其中除磷菌所占比例. 结果表明,以乙酸钠、甘油、丙酸钠为碳源的各系统出水中,ρ(TP)平均值分别为0.79、0.98、0.29 mg/L,TP去除率分别为82.5%、79.2%、93.4%. 取自污水厂的种泥微生物多样性最高;其次为以甘油驯化的污泥和以乙酸钠与丙酸钠培养的污泥,二者表现出相似的多样性与菌群结构. 各反应器中的污泥在“纲”与“目”分类级别上分别均以β-Proteobacteria与Rhodocyclales占主导. 稳定期乙酸钠、甘油、丙酸钠为碳源的系统中的除磷菌所占比例分别为9.5%、8.0%、41.5%,以丙酸钠为碳源的系统中除磷菌所占比例最高. 对于厌氧/缺氧系统,与以乙酸钠、甘油相比,丙酸钠为碳源时系统的除磷效果更好,并且有利于除磷菌的富集.

     

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出版历程
  • 收稿日期:  2013-09-03
  • 修回日期:  2013-11-20
  • 刊出日期:  2014-08-25

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