NDLI: Biological denitrification using poly(butanediol succinate) as electron donor

Content Provider	Springer Nature Link
Author	Shen, Zhiqiang Yin, Yanan Wang, Jianlong
Copyright Year	2016
Abstract	Poly(butanediol succinate) (PBS), a biodegradable polymer, was used as both solid carbon source and biofilm carrier for biological nitrate removal process, in which PBS was filled in a packed-bed bioreactor. The denitrification performance and the microbial diversity of biofilm attached on the surface of PBS were investigated. The experimental results showed that the volumetric denitrification rate was 0.60 kg m−3 day−1 when NO3-N loading rate was 0.63 kg m−3 day−1, and the average NO2-N concentration was below 0.20 mg L−1. The effluent pH value decreased slightly from a range of 6.98–7.87 to 6.46–7.18. The analysis of microbial community structure of biofilm by pyrosequencing method showed that Proteobacteria was the most abundant phylum (89.87 %), and β-Proteobacteria represented the most abundant class. Among the 76 identified genera, Dechloromonas (10.26 %), Alicycliphilus (9.15 %), Azospira (8.92 %), and Sinobacteraceae-uncultured (8.75 %) were the abundant genera. PBS, as a promising alternative carbon source, is a suitable solid carbon source and biofilm carrier for nitrate removal.
Starting Page	6047
Ending Page	6053
Page Count	7
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	100
Issue Number	13
e-ISSN	14320614
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-03-10
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Nitrate denitrification microbial community Poly(butanediol succinate) solid carbon source Microbiology Microbial Genetics and Genomics Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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