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Assessment of the start-up process of anaerobic digestion utilizing swine manure: 13C fractionation of biogas and microbial dynamics
Z. Lv, J. Liang, X. Chen, Z. Chen, J. Jiang, GJ. Loake,
Jazyk angličtina Země Německo
Typ dokumentu časopisecké články
Grantová podpora
51708264
National Natural Science Foundation of China
NLK
ProQuest Central
od 1997-03-01 do Před 1 rokem
Health & Medicine (ProQuest)
od 1997-03-01 do Před 1 rokem
Public Health Database (ProQuest)
od 1997-03-01 do Před 1 rokem
- MeSH
- anaerobióza MeSH
- Bacteria MeSH
- biopaliva MeSH
- bioreaktory mikrobiologie MeSH
- chemická frakcionace MeSH
- fermentace MeSH
- hnůj mikrobiologie MeSH
- prasata MeSH
- RNA ribozomální 16S genetika MeSH
- uhlík chemie MeSH
- zvířata MeSH
- Check Tag
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
The aim of this study was to investigate how the microbial community structure adapts during the start-up phase and how the 13C fractionation of biogas reflects the microbial population dynamics in two parallel swine manure-fed anaerobic digesters. Two swine manure-fed reactors for the start-up of continuously stirred tank reactors at mesophilic condition were evaluated. Changes in community structure were monitored using 16S rRNA high-throughput sequencing to measure the abundance of fermenting bacteria and methanogens. Digesters with relatively stable Methanosarcinaceae started up successfully and contained high gas production and low levels of propionate. In contrast, the digester that experienced a difficult start-up period had reduced Methanosarcinaceae along with accumulated propionate and low gas production. Specific gas production, specific methane production, and 13C fractionation of biogas were influenced significantly by Methanosarcinaceae, Methanobacteriaceae, and Clostridiaceae, indicating that the 13C fractionation of biogas had significant potential to reflect microbial population changes and digester performance during the start-up period.
Citace poskytuje Crossref.org
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- $a Lv, Zuopeng $u The Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province, Jiangsu Normal University, Road 101, Xuzhou, 221116, Shanghai, China. zuopenglv@126.com. Jiangsu Normal University - Edinburgh University, Centre for Transformative Biotechnology of Medicinal and Food Plants, Jiangsu Normal University, 101 Shanghai Road, Xuzhou, People's Republic of China. zuopenglv@126.com.
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- $a Assessment of the start-up process of anaerobic digestion utilizing swine manure: 13C fractionation of biogas and microbial dynamics / $c Z. Lv, J. Liang, X. Chen, Z. Chen, J. Jiang, GJ. Loake,
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- $a The aim of this study was to investigate how the microbial community structure adapts during the start-up phase and how the 13C fractionation of biogas reflects the microbial population dynamics in two parallel swine manure-fed anaerobic digesters. Two swine manure-fed reactors for the start-up of continuously stirred tank reactors at mesophilic condition were evaluated. Changes in community structure were monitored using 16S rRNA high-throughput sequencing to measure the abundance of fermenting bacteria and methanogens. Digesters with relatively stable Methanosarcinaceae started up successfully and contained high gas production and low levels of propionate. In contrast, the digester that experienced a difficult start-up period had reduced Methanosarcinaceae along with accumulated propionate and low gas production. Specific gas production, specific methane production, and 13C fractionation of biogas were influenced significantly by Methanosarcinaceae, Methanobacteriaceae, and Clostridiaceae, indicating that the 13C fractionation of biogas had significant potential to reflect microbial population changes and digester performance during the start-up period.
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