ISSN: 0973-7510

E-ISSN: 2581-690X

Yong Li and Rui Zhao1*
1Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University,
Chengdu – 611 756, People’s Republic of China.
J Pure Appl Microbiol. 2014;8(2):1475-1482
© The Author(s). 2014
Received: 09/01/2014 | Accepted: 18/03/2014 | Published: 31/04/2014
Abstract

This study uses the tamed anaerobic ammonium oxidation (Anammox) sludge through being inoculated in an up-flow anaerobic sludge bed (UASB) reactor to treat the simulated wastewater in order to investigate the effects of anaerobic ammonia nitrogen removal and to find out the main influencing factors of Anammox. The experimental results show that the most suitable NH4+-N and NO2-N concentration loads for Anammox bacteria are both 220mg/L, with the hydraulic retention time of 4h, temperature of 35°C, as well as PH of 8.0, and the corresponding removal rates of NH4+-N0NO2-N and TN are 97%, 98.5%, 88%, respectively. It is suggested that the UASB reactor has a highly efficient performance of denitrification, which provides a useful insight for further engineering applications.

Keywords

Anaerobic ammonium oxidation, Up-flow anaerobic sludge bed, Anammox bacteria, Denitrification, hydraulic retention time, PH, Temperature

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