| Enhancement of anaerobic sludge digestion by high-pressure homogenization. | |
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MedLine Citation:
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PMID: 22717569 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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To improve anaerobic sludge digestion efficiency, the effects of high-pressure homogenization (HPH) conditions on the anaerobic sludge digestion were investigated. The VS and TCOD were significantly removed with the anaerobic digestion, and the VS removal and TCOD removal increased with increasing the homogenization pressure and homogenization cycle number; correspondingly, the accumulative biogas production also increased with increasing the homogenization pressure and homogenization cycle number. The optimal homogenization pressure was 50MPa for one homogenization cycle and 40MPa for two homogenization cycles. The SCOD of the sludge supernatant significantly increased with increasing the homogenization pressure and homogenization cycle number due to the sludge disintegration. The relationship between the biogas production and the sludge disintegration showed that the accumulative biogas and methane production were mainly enhanced by the sludge disintegration, which accelerated the anaerobic digestion process and improved the methane content in the biogas. |
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Authors:
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Sheng Zhang; Panyue Zhang; Guangming Zhang; Jie Fan; Yuxuan Zhang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-5-26 |
Journal Detail:
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Title: Bioresource technology Volume: 118C ISSN: 1873-2976 ISO Abbreviation: - Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-6-21 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: 496-501 Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Beijing Key Lab for Source Control Technology of Water Pollution, Beijing Forestry University, Beijing 100083, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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