Bioremediation of Reclaimed Wastewater Used as Landscape Water by Using the Denitrifying Bacterium Bacillus cereus

Zhao, Shumiao; Hu, Nan; Chen, Zhengjun; Zhao, Bin; Liang, Yunxiang

doi:10.1007/s00128-009-9684-x

Published: 12 March 2009

Bioremediation of Reclaimed Wastewater Used as Landscape Water by Using the Denitrifying Bacterium Bacillus cereus

Shumiao Zhao¹,
Nan Hu¹,
Zhengjun Chen¹,
Bin Zhao¹ &
Yunxiang Liang¹

Bulletin of Environmental Contamination and Toxicology volume 83, pages 337–340 (2009)Cite this article

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Abstract

Organic matter and nitrogen removal from reclaimed wastewater used as landscape water was carried out by in situ bioremediation. A denitrifying bacterium Bacillus cereus DNF409 was introduced for this purpose, and the amount of B. cereus used was optimized. The total nitrogen (TN) content and chemical oxygen demand (COD) of the landscape water decreased from 9.86 to 3.1 mg/L (removal rate, 68.6%) and from 127 to 36 mg/L (removal rate, 71.7%). The transparency of water increased from 0.2 to 0.55 m.

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Acknowledgments

This research was supported by the National Hi-Tech Development Program “863” project (No. 2006AA020201).

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Affiliations

State Key Laboratory of Agricultural Microbiology and College of Life Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China
Shumiao Zhao, Nan Hu, Zhengjun Chen, Bin Zhao & Yunxiang Liang

Authors

Shumiao Zhao
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Nan Hu
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Zhengjun Chen
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Bin Zhao
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Yunxiang Liang
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Corresponding author

Correspondence to Yunxiang Liang.

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Zhao, S., Hu, N., Chen, Z. et al. Bioremediation of Reclaimed Wastewater Used as Landscape Water by Using the Denitrifying Bacterium Bacillus cereus . Bull Environ Contam Toxicol 83, 337–340 (2009). https://doi.org/10.1007/s00128-009-9684-x

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Received: 30 June 2008
Accepted: 26 February 2009
Published: 12 March 2009
Issue Date: September 2009
DOI: https://doi.org/10.1007/s00128-009-9684-x

Keywords

Bacillus cereus
Bioremediation
Landscape water
Reclaimed wastewater