Effect of azithromycin on enhancement of methane production from waste activated sludge
In the methane production from waste activated sludge (WAS), complex bacterial interactions in WAS have been known as a major contribution to methane production. Therefore, the influence of bacterial community changes toward methane production from WAS was investigated by an application of antibioti...
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my.upm.eprints.372052015-12-04T01:37:06Z http://psasir.upm.edu.my/id/eprint/37205/ Effect of azithromycin on enhancement of methane production from waste activated sludge Nguyen, Minh Tuan Maeda, Toshinari Mohd Yusoff, Mohd Zulkhairi Ogawa, Hiroaki I. In the methane production from waste activated sludge (WAS), complex bacterial interactions in WAS have been known as a major contribution to methane production. Therefore, the influence of bacterial community changes toward methane production from WAS was investigated by an application of antibiotics as a simple means for it. In this study, azithromycin (Azm) as an antibiotic was mainly used to observe the effect on microbial changes that influence methane production from WAS. The results showed that at the end of fermentation, Azm enhanced methane production about twofold compared to control. Azm fostered the growth of acid-producing bacterial communities, which synthesized more precursors for methane formation. DGGE result showed that the hydrolysis as well as acetogenesis stage was improved by the dominant of B1, B2 and B3 strains, which are Clostridium species. In the presence of Azm, the total population of archaeal group was increased, resulting in higher methane productivity achievement. Springer 2014 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/37205/1/Effect%20of%20azithromycin%20on%20enhancement%20of%20methane%20production%20from%20waste%20activated%20sludge.pdf Nguyen, Minh Tuan and Maeda, Toshinari and Mohd Yusoff, Mohd Zulkhairi and Ogawa, Hiroaki I. (2014) Effect of azithromycin on enhancement of methane production from waste activated sludge. Journal of Industrial Microbiology & Biotechnology, 41 (7). pp. 1051-1059. ISSN 1367-5435; ESSN: 1476-5535 10.1007/s10295-014-1446-z |
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In the methane production from waste activated sludge (WAS), complex bacterial interactions in WAS have been known as a major contribution to methane production. Therefore, the influence of bacterial community changes toward methane production from WAS was investigated by an application of antibiotics as a simple means for it. In this study, azithromycin (Azm) as an antibiotic was mainly used to observe the effect on microbial changes that influence methane production from WAS. The results showed that at the end of fermentation, Azm enhanced methane production about twofold compared to control. Azm fostered the growth of acid-producing bacterial communities, which synthesized more precursors for methane formation. DGGE result showed that the hydrolysis as well as acetogenesis stage was improved by the dominant of B1, B2 and B3 strains, which are Clostridium species. In the presence of Azm, the total population of archaeal group was increased, resulting in higher methane productivity achievement. |
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Article |
author |
Nguyen, Minh Tuan Maeda, Toshinari Mohd Yusoff, Mohd Zulkhairi Ogawa, Hiroaki I. |
spellingShingle |
Nguyen, Minh Tuan Maeda, Toshinari Mohd Yusoff, Mohd Zulkhairi Ogawa, Hiroaki I. Effect of azithromycin on enhancement of methane production from waste activated sludge |
author_facet |
Nguyen, Minh Tuan Maeda, Toshinari Mohd Yusoff, Mohd Zulkhairi Ogawa, Hiroaki I. |
author_sort |
Nguyen, Minh Tuan |
title |
Effect of azithromycin on enhancement of methane production from waste activated sludge |
title_short |
Effect of azithromycin on enhancement of methane production from waste activated sludge |
title_full |
Effect of azithromycin on enhancement of methane production from waste activated sludge |
title_fullStr |
Effect of azithromycin on enhancement of methane production from waste activated sludge |
title_full_unstemmed |
Effect of azithromycin on enhancement of methane production from waste activated sludge |
title_sort |
effect of azithromycin on enhancement of methane production from waste activated sludge |
publisher |
Springer |
publishDate |
2014 |
url |
http://psasir.upm.edu.my/id/eprint/37205/1/Effect%20of%20azithromycin%20on%20enhancement%20of%20methane%20production%20from%20waste%20activated%20sludge.pdf http://psasir.upm.edu.my/id/eprint/37205/ |
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1643831931300741120 |
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13.160551 |