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Concentration of Substrate Affecting Nitrogen Removal in ANAMMOX Process

机译:ANAMMOX工艺中影响脱氮的底物浓度

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摘要

An ANAMMOX biofilter was employed to investigate the effect of nitrite on total nitrogen (TN) removal rate. The results showed that the nitrite concentration influences the removal of TN greatly; the rate of TN removal and pH increased with nitrite concentration rising. To raise nitrite concentration furthermore, both TN removal rate and pH decreased. This suggests high nitrite concentration would inhibit activity of ANAMMOX bacteria. Moreover, the data indicated that the proper nitrite concentration should be 84.4mg/L for excellent total nitrogen removal effect.
机译:ANAMMOX生物滤池用于研究​​亚硝酸盐对总氮(TN)去除率的影响。结果表明,亚硝酸盐浓度对TN的去除有很大的影响。随着亚硝酸盐浓度的增加,总氮的去除率和pH值增加。为了进一步提高亚硝酸盐浓度,TN去除率和pH均降低。这表明高浓度的亚硝酸盐会抑制ANAMMOX细菌的活性。此外,数据表明,适当的亚硝酸盐浓度应为84.4mg / L,以实现优异的总氮去除效果。

著录项

  • 来源
  • 会议地点 Beijing(CN)
  • 作者单位

    ZHANG Shude@ Key Lab of Water Quality Science Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China;

    College of Architecture and Civil Engineering, Hebei Polytechnic University, Tangshan 063009, Hebei, China--LIU Xin@College of Architecture and Civil Engineering, Hebei Polytechnic University, Tangshan 063009, Hebei, China--ZHENG Zhijun@College of Architecture and Civil Engineering, Hebei Polytechnic University, Tangshan 063009, Hebei, China--CAO Guoping@College of Architecture and Civil Engineering, Hebei Polytechnic University, Tangshan 063009, Hebei, China--ZHANG Jie@Key Lab of Water Quality Science Water Environment Recovery Engineering, Beijing University of Technology, Beijing 100022, China--;

  • 会议组织
  • 原文格式 PDF
  • 正文语种
  • 中图分类 环境科学基础理论;
  • 关键词

    ANAMMOX; nitrite; TN removal rate; pH value;

    机译:ANAMMOX;亚硝酸盐; TN去除率; pH值;

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