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Net methane oxidation performance of anaerobic sewage sludge

Title
Net methane oxidation performance of anaerobic sewage sludge
Authors
Yi T.Kim T.G.Lee E.-H.Lee J.-H.Cho K.-S.
Ewha Authors
조경숙이태우김태관이은희
SCOPUS Author ID
조경숙scopus; 이은희scopusscopus
Issue Date
2012
Journal Title
Journal of Microbiology and Biotechnology
ISSN
1017-7825JCR Link
Citation
vol. 22, no. 10, pp. 1452 - 1456
Indexed
SCIE; SCOPUS; KCI WOS scopus
Abstract
The anaerobic oxidation of methane (AOM) in anaerobic sewage sludge was characterized. The net methane oxidation was observed in samples amended with methane plus sulfate or with methane alone, whereas methane formation was observed in the samples without methane, indicating that methane oxidation and formation occurred simultaneously. The ratio of the net methane oxidation rate to H2S formation was 100:1, suggesting that the AOM was not closely associated with sulfate reduction in the anaerobic sludge. The net AOM was positively associated with the methane concentration and sludge dilution ratio. However, the rate of AOM was negatively correlated with organic substrate (acetate) concentration. Therefore, the production and oxidation of methane could be controlled by environmental conditions and dissolved organic compounds in the bulk solution. © The Korean for Microbiology and Biotechnolog.
DOI
http://dx.doi.org/10.4014/jmb.1112.12033
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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