Heterotrophic nitrogen removal by a newly-isolated microorganism, Oligella sp. XS68

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Published: Mar 30, 2020
DOI: https://doi.org/10.2298/JSC190916115Y
Keywords:
wastewater treatment biological treatment nitrification denitrification ammonium

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Hong De Yan
College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014
Jian Jiang Wu
Shaoxing Quality Technology Supervision & Test Institute, Shaoxing 312366
Pei Ya Xu
College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310014

Abstract

A new bacterium capable of heterotrophic nitrogen removal was iso­lated and identified as Oligella sp. XS68. The strain exhibited efficient hetero­trophic nitrogen removal capabilities, with a low accumulation of nitrification products. Single-factor experiments indicated that efficient nitrogen removal and growth of the strain XS68 occurred with sodium succinate as the carbon source, C/N ratio 15, pH 6.0–9.0, temperature 30–37 °C, and shaking speed 160–200 rpm. The removal efficiency of ammonium nitrogen could achieve 98 % within 96 h when the initial nitrogen concentration was 421.3 mg L-1. These findings demonstrate that XS68 is a promising candidate for nitrogen removal in wastewater treatments.

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How to Cite
[1]
H. D. Yan, J. J. Wu, and P. Y. Xu, “Heterotrophic nitrogen removal by a newly-isolated microorganism, Oligella sp. XS68”, J. Serb. Chem. Soc., vol. 85, no. 3, pp. 395–405, Mar. 2020.
Issue
Vol. 85 No. 3 (2020)
Section
Environmental Chemistry

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