NDLI: Functional rigidity of a methane biofilter during the temporal microbial succession

Content Provider	Springer Nature Link
Author	Kim, Tae Gwan Jeong, So Yeon Cho, Kyung Suk
Copyright Year	2013
Abstract	Temporal microbial succession was investigated in relation to the performance of a methane biofilter. A laboratory-scale biofilter packed with perlite was operated for 108 days, without a deliberate biomass control. The system performance was stable over the period with a mean elimination capacity of 1,563 g m−3 day−1, despite a temporal deterioration (45–56 days). Ribosomal-tag pyrosequencing showed that bacterial communities at days 14–28 were distinct from those of days 68–108. The accumulation of nonviable substances strongly coincided with the community change (R 2 > 0.97). Rhodobacter, Hydrogenophaga, and Methylomonas were dominated in the earlier period, while Methylocaldum and Methylococcus were abundant in the later period. The methanotrophic proportion gradually increased to 41 %, and type I methanotrophs became predominant over time. However, community structure and methanotrophic population density stably retained over time, allowing the system to keep the similar performance. Therefore, the perlite biofilter system was functionally rigid against the temporal microbial succession.
Starting Page	3275
Ending Page	3286
Page Count	12
File Format	PDF
ISSN	01757598
Journal	Applied Microbiology and Biotechnology
Volume Number	98
Issue Number	7
e-ISSN	14320614
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-11-28
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Methanotrophic biofilter Microbial community Functional rigidity Succession Perlite Microbiology Microbial Genetics and Genomics Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Applied Microbiology and Biotechnology Biotechnology

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