Doboku Gakkai Ronbunshuu G
Online ISSN : 1880-6082
ISSN-L : 1880-6082
Paper (In Japanese)
MICROBIAL COMMUNITY STRUCTURE OF G3-DHS REACTOR IN UASB-DHS SYSTEM TREATING DOMESTIC SEWAGE
Kengo KUBOTAMikio HAYASHIKengo MATSUNAGAAkiyoshi OHASHIYu-You LITakashi YAMAGUCHIHideki HARADA
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JOURNAL FREE ACCESS

2010 Volume 66 Issue 1 Pages 56-64

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Abstract
  Microbial community structure in a G3-type Down-flow Hanging Sponge (DHS) reactor was investigated by rRNA approach. Cloning analyses indicated that the microbial community structure was successionally changed along with the height of the reactor. Dechloromonas sp. was predominant at the upper portion of the reactor, indicating contribution of this group to organic removal. Ammonia-and nitrite-oxidizers were quantified by quantitative real-time PCR, which revealed that the populations of both groups gradually increased along with the height of the reactor. A part of reasons for stable treatment of the DHS reactor is found by the microbial community structure analysis.
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© 2010 by Japan Society of Civil Engineers
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