| Linking Performance with Microbial Community Characteristics in an Anaerobic Baffled Reactor. | |
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MedLine Citation:
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PMID: 23344944 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The performance and microbial community characteristics of a laboratory scale anaerobic baffled reactor (ABR) with four compartments (C1-C4) treating sugar refinery wastewater were investigated. The COD removal was 94.8 % with a CH(4) yield of 0.21 L g(-1) COD(removed) at total organic loading rate (OLR) of 5.33 kg COD/m(-3) day(-1). Fermentative bacteria were dominant in C1 and C2, while syntrophic acetogens and methanogens were dominant in C3 and C4. Some acid-tolerant methanogens were enriched in acidogenic phase. The present of the acid-tolerant methanogens could improve the efficiency and stability of the ABR as the most of the methanogens are vulnerable to low pH. In addition, high functional redundancy of the fermentative bacteria implicated that the microbial communities in acidogenic phase were stable functionally and allowed the ABR to balance perturbation. It was also found that syntrophic acetogenesis might be a weakness in the ABR as syntrophic acetogens were poor as compared with fermentative bacteria and methanogens. |
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Authors:
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Qiaoying Ban; Jianzheng Li; Liguo Zhang; Ajay Kumar Jha; Loring Nies |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-1-24 |
Journal Detail:
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Title: Applied biochemistry and biotechnology Volume: - ISSN: 1559-0291 ISO Abbreviation: Appl. Biochem. Biotechnol. Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2013-1-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8208561 Medline TA: Appl Biochem Biotechnol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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State Key Laboratory of Urban Water Resource and Environment, School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin, 150090, People's Republic of China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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