| Using rice straw fermentation liquor to produce bioflocculants during an anaerobic dry fermentation process. | |
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MedLine Citation:
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PMID: 22142504 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this study, fermentation liquor from rice straw was used to produce bioflocculants during a dry fermentation process. Acetic acid and butyric acid were the predominant VFAs during the process. A compound bioflocculant producing inoculum, F(+) was inoculated into compound media in which fermentation liquor and conventional bioflocculants medium at different ratios. The maximum flocculation activity, 92.45% was achieved when 100-day fermentation liquor and conventional bioflocculants medium were mixed at an equal ratio. Furthermore, 454-pyrosequencing technology was used to measure bacterial diversity on the 25th day of operation, which was a period of rapid VFA accumulating. A total of 2110 sequences were obtained, and were found to be affiliated with 8 phylogenetic groups, including Actinobacteria, Acidobacteria, Bacteroidetes, Firmicutes, Proteobacteria, Chloroflexi, Spirochaetes and Synergistetes. Notably, Firmicutes (92.3%) was the dominant microbial population, followed by Actinobacteria (2.37%) and Proteobacteria (1.04%). |
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Authors:
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Guang Zhao; Fang Ma; Li Wei; Hong Chua |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-20 |
Journal Detail:
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Title: Bioresource technology Volume: - ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-12-6 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9889523 Medline TA: Bioresour Technol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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State Key Laboratory of Urban Water Resources and Environments (SKLUWRE), School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150090, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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