Advanced removal of organic and nitrogen from ammonium-rich landfill leachate using an anaerobic-aerobic system

Hongwei Sun; Huanan Zhao; Baoxia Bai; Yuying Chen; Qing Yang; Yongzhen Peng

doi:10.1016/j.cjche.2014.03.007

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Advanced removal of organic and nitrogen from ammonium-rich landfill leachate using an anaerobic-aerobic system

能源、资源与环境技术 | Updated：2026-01-06

- Advanced removal of organic and nitrogen from ammonium-rich landfill leachate using an anaerobic-aerobic system
- Chinese Journal of Chemical Engineering Issue 6, Pages: 1047-1051(2015)
- Affiliations：
  
  1. School of Environmental and Municipal Engineering, Lanzhou Jiaotong University,Lanzhou,China,730070
  2. 3 Disease Prevention and Control Office of Urumqi Railway Bureau,Urumqi,China,830010
  3. 2 Key Laboratory of Beijing Water Quality Science and Water Environment Recovery Engineering, Beijing University of Technology,Beijing,China,100124
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.03.007
  CLC：
- Published：2015
- Accepted：
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Hongwei Sun, Huanan Zhao, Baoxia Bai, et al. Advanced removal of organic and nitrogen from ammonium-rich landfill leachate using an anaerobic-aerobic system[J]. Chinese Journal of Chemical Engineering, 2015, (6): 1047-1051.
DOI：

Hongwei Sun, Huanan Zhao, Baoxia Bai, et al. Advanced removal of organic and nitrogen from ammonium-rich landfill leachate using an anaerobic-aerobic system[J]. Chinese Journal of Chemical Engineering, 2015, (6): 1047-1051. DOI： 10.1016/j.cjche.2014.03.007.

摘要

A novel system coupling an up-flow anaerobic sludge blanket (UASB) and sequencing batch reactor (SBR) was introduced to achieve advanced removal of organic and nitrogen from ammonium-rich lan

dfill leachate. UASB could remove 88.1% of the influent COD at a volumetric loading rate of 6.8 kg COD·m

-3

·d

-1

. Nitritation– denitritation was responsible for removing 99.8% ofNH

-N and 25% of total nitrogen in the SBR under alternating aerobic/anoxic modes. Simultaneous denitritation and methanogenesis in the UASB enhanced COD and TN removal

and replenished alkalinity consumed in nitritation. For the activated sludge of SBR

ammonia oxidizing bacteria were preponderant in nitrifying population

indicated by fluorescence in sit hybridization (FISH) analysis. The Monod equation is appropriate to describe the kinetic behavior of heterotrophic denitrifying bacteria

with its kinetic parameters determined from batch experiments.

Abstract

A novel system coupling an up-flow anaerobic sludge blanket (UASB) and sequencing batch reactor (SBR) was introduced to achieve advanced removal of organic and nitrogen from ammonium-rich landfill leachate. UASB could remove 88.1% of the influent COD at a volumetric loading rate of 6.8 kg COD·m

-3

·d

-1

. Nitritation- denitritation was responsible for removing 99.8% of NH

-N and 25% of total nitrogen in the SBR under alternating aerobic/anoxic modes. Simultaneous denitritation and methanogenesis in the UASB enhanced COD and TN removal

and replenished alkalinity consumed in nitritation. For the activated sludge of SBR

ammonia oxidizing bacteria were preponderant in nitrifying population

indicated by fluorescence in sit hybridization (FISH) analysis. The Monod equation is appropriate to describe the kinetic behavior of heterotrophic denitrifying bacteria

with its kinetic parameters determined from batch experiments.

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