| Optimization of biological hydrogen production for anaerobic co-digestion of food waste and wastewater biosolids. | |
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MedLine Citation:
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PMID: 23334031 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Batch anaerobic co-digestion studies were conducted using 21 mixtures (M1-M21) of food waste (FW), primary sludge (PS), and waste activated sludge (WAS) at 37°C and an initial pH of 5.5±0.2. The results showed that co-digestion of FW and sludges had a positive impact on the hydrogen production. The maximum hydrogen yields by co-digestion of FW+PS, FW+WAS, and FW+PS+WAS were achieved at volumetric ratios of 75:25, 75:25, and 80:15:5, respectively, with corresponding optimal COD/N mass ratios of 26, 31 and 30, respectively. Furthermore, the synergistic effect of co-digestion was proven and quantified: the measured hydrogen productions were higher than the sums of the hydrogen productions calculated from each fraction, and the highest percentage increase above the calculated value of 101%, was achieved in the FW+PS+WAS mixture (80:15:5). |
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Authors:
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Peiqing Zhou; Elsayed Elbeshbishy; George Nakhla |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-12-20 |
Journal Detail:
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Title: Bioresource technology Volume: 130C ISSN: 1873-2976 ISO Abbreviation: Bioresour. Technol. Publication Date: 2012 Dec |
Date Detail:
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Created Date: 2013-1-21 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: 710-718 Citation Subset: - |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Civil and Environmental Engineering Department, University of Western Ontario, London, ON, Canada N6A 5B9. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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