Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Bioaugmentation for overloaded anaerobic digestion recovery with acid-tolerant methanogenic enrichment | |
Li, Ying1 ; Yang, Gaixiu1; Li, Lianhua1; Sun, Yongming1,2,3
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| 2018-09-01 | |
| Source Publication | WASTE MANAGEMENT
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| ISSN | 0956-053X |
| Volume | 79Pages:744-751 |
| Corresponding Author | Sun, Yongming(sunym@ms.giec.ac.cn) |
| Abstract | This study aims to investigate the performance of bioaugmentation with an acid-tolerant methanogenic culture to recover deteriorated anaerobic digestion caused by organic overloading. The function of bioaugmentation was evaluated in terms of substance metabolism, microbial community structure, and gene function. Our findings demonstrate that routine bioaugmentation effectively recovered the failing digester by degrading accumulated volatile fatty acids and increasing pH. In contrast, a non-bioaugmentation reactor (control) did not recover by itself, while abiotic augmentation restored the digestion performance temporarily but the digester failed again at an organic loading rate of 1.5 g L-1 d(-1). Using whole genome pyrosequencing analysis, we found that after bioaugmentation, the populations of Methanothrix (acetoclastic methanogens) and Methanolinea (hydrogenotrophic methanogens) increased significantly, which may be the main contributors for the positive effect on methane production. On the genic level, bioaugmentation may enhance the function of genes involved in cell motility, signal transduction mechanisms for methanogens, and energy production and conversion for bacteria. (C) 2018 Elsevier Ltd. All rights reserved. |
| Keyword | Bioaugmentation Organic overload Microbial community Genic function |
| DOI | 10.1016/j.wasman.2018.08.043 |
| WOS Keyword | MUNICIPAL SOLID-WASTE ; VOLATILE FATTY-ACIDS ; MICROBIAL COMMUNITY ; TRANSFER STATION ; WATER TREATMENT ; FRESH LEACHATE ; CO-DIGESTION ; SP NOV. ; PERFORMANCE ; AMMONIA |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Nature Science Foundation of China[51708538] ; National Nature Science Foundation of China[51007006] ; Natural Science Foundation of Guangdong Province, China[2016A030312007] ; Natural Science Foundation of Guangdong Province, China[2017A030310443] ; Bureau of International Cooperation, Chinese Academy of Sciences[182344KYSB20170009] |
| WOS Research Area | Engineering ; Environmental Sciences & Ecology |
| Funding Organization | National Nature Science Foundation of China ; Natural Science Foundation of Guangdong Province, China ; Bureau of International Cooperation, Chinese Academy of Sciences |
| WOS Subject | Engineering, Environmental ; Environmental Sciences |
| WOS ID | WOS:000449133500074 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/24257 |
| Collection | 中国科学院广州能源研究所 |
| Corresponding Author | Sun, Yongming |
| Affiliation | 1.Chinese Acad Sci, Lab Biomass Biochem Convers, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China 2.Chinese Acad Sci, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China 3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China |
| Recommended Citation GB/T 7714 | Li, Ying,Yang, Gaixiu,Li, Lianhua,et al. Bioaugmentation for overloaded anaerobic digestion recovery with acid-tolerant methanogenic enrichment[J]. WASTE MANAGEMENT,2018,79:744-751. |
| APA | Li, Ying,Yang, Gaixiu,Li, Lianhua,&Sun, Yongming.(2018).Bioaugmentation for overloaded anaerobic digestion recovery with acid-tolerant methanogenic enrichment.WASTE MANAGEMENT,79,744-751. |
| MLA | Li, Ying,et al."Bioaugmentation for overloaded anaerobic digestion recovery with acid-tolerant methanogenic enrichment".WASTE MANAGEMENT 79(2018):744-751. |
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