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Received September 4, 2013
Accepted January 13, 2014
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Quantitative analysis of microbial community structure in two-phase anaerobic digesters treating food wastewater
Woong Kim1
Byung-Gon Ryu2
Sungwhan Kim1
Sung-Woon Heo1
Donghyun Kim1
Jungmin Kim1
Haechan Jo3
Jong-Hee Kwon1
Ji-Won Yang1 4†
1Department of Chemical and Biomolecular Engineering, KAIST, 291, Daehak-ro, Yuseong-gu, Daejeon 305-701, Korea 2Environmental and Energy Program, KAIST, 291, Daehak-ro, Yuseong-gu, Daejeon 305-701, Korea 3Yangseo High School, 31-12, Sangchon-gil, Yangseo-myeon, Yangpyeong-gun, Gyeonggy 476-824, Korea 4Advanced Biomass R&D Center, KAIST, 291, Daehak-ro, Yuseong-gu, Daejeon 305-701, Korea
Korean Journal of Chemical Engineering, March 2014, 31(3), 381-385(5), 10.1007/s11814-014-0019-1
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Abstract
An acidogenic reactor with a 0.5-L working volume and a methanogenic digester with a 5-L of working volume were operated for 150 days on a continuous mode to investigate the structure of a microbial community during food wastewater treatment. During the steady state of anaerobic digestion, volatile solids (VS) removal efficiency in the pilot plant was approximately 65%. The bacterial population was higher than any other methanogens detected during the entire anaerobic process and treatment of raw food wastewater. Methanomicrobiales (MMB), Methanosarcinales_x000D_
(MSL), and Methanobacteriales (MBT) were detected during digestion. The methanogenic population present in the acidogenic reactor was directly affected by the archaeal community in raw food wastewater. However, the shift of microbial community in the methanogenic digester was relatively gradual. The performance of methanogenic digester might be more related to the change of microbial metabolism affected by the physicochemical properties of the input substrate.
Keywords
References
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Hori T, Haruta S, Ueno Y, Ishii M, Igarashi Y, Appl. Environ. Microbiol., 72, 1623 (2006)
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Fernandez AS, Hashsham SA, Dollhopf SL, Raskin L, Glagoleva O, Dazzo FB, Hickey RF, Criddle CS, Tiedje JM, Appl. Environ. Microbiol., 66, 4058 (2000)
APHA-AWWA-WEF, American Public Health Association, Washinton, DC (2005)
Yu Y, Kim J, Hwang S, Biotechnol. Bioeng., 93(3), 424 (2006)
Obata K, Segawa O, Yakabe M, Ishida Y, Kuroita T, Ikeda K, Kawakami B, Kawamura Y, Yohda M, Matsunaga T, Tajima H, J. Biosci. Bioeng., 91(5), 500 (2001)
Yu Y, Lee C, Hwang S, Water Sci. Technol., 52, 85 (2005)
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Metje M, Frenzel P, Appl. Environ. Microbiol., 71, 8191 (2005)
Garcia JL, Patel BKC, Ollivier B, Anaerobe., 6, 205 (2000)
Ahn JH, Do TH, Kim SD, Hwang S, Biochem. Eng. J., 30, 33 (2006)
Boone DR, Castenholz RW, Springer, New York (2001)
Anderson IJ, Sieprawska-Lupa M, Goltsman E, Lapidus A, Copeland A, Glavina DRT, Tice H, Dalin E, Barry K, Pitluck S, Hauser L, Land M, Lucas S, Richardson P, Whitman WB, Kyrpides NC, Stand Genomic Sci., 1, 197 (2009)
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Blaut M, Antonie van Leeuwenhoek, 66, 187 (1994)
Simeonov I, Karakashev D In: Preprints 7th Vienna Internat. Conf. on Math. Modelling (MATHMOD) on CD (2012)
Kim W, Lee S, Shin SG, Lee C, Hwang K, Hwang S, Water Res., 44, 4900 (2010)
