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Isolation and Characterization of Benzene-Degrading Heterotrophic Nitrifying Strain

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Abstract:

An aerobic benzene-degrading heterotrophic nitrifying strain Pseudomonas sp.BN5 was isolated from the well domesticated microbes. Growth and nitrification characteristics were investigated with the benzene as the sole carbon and energy source and the NH+4-N as nitrogen source under aerobic condition. It was demonstrated that the favorite C/N ratio, temperature and speed of Pseudomonas sp.BN5 was 10, 30°C and 180rpm, respectively. About 70.86% of ammonium and 100% of benzene was removed after 72 h of incubation at initial benzene and ammonium concentration of 52.37mg/L and 16.13mg/L, respectively. Only trace accumulation of nitrate was observed during the process.

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Periodical:

Advanced Materials Research (Volumes 1073-1076)

Pages:

870-873

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1073-1076.870

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Online since:

December 2014

Authors:

Yuan Li*, Xiu Ping Yue, Guo Ying Wang, Hong Yan Li

Keywords:

Benzene, Biodegradation, Kinetic, Nitrification, Pseudomonas sp.

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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