Journal
BIORESOURCE TECHNOLOGY
Volume 95, Issue 1, Pages 1-10Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2004.02.010
Keywords
biogas production rate; additives; anaerobic filters; HRT
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Biogas, a clean and renewable form of energy could very well substitute (especially in the rural sector) for conventional sources of energy (fossil fuels, oil, etc.) which are causing ecological-environmental problems and at the same time depleting at a faster rate. Despite its numerous advantages, the potential of biogas technology could not be fully harnessed or tapped as certain constraints are also associated with it. Most common among these are: the large hydraulic retention time of 30-50 days, low gas production in winter, etc. Therefore, efforts are needed to remove its various limitations so as to popularize this technology in the rural areas. Researchers have tried different techniques to enhance gas production. This paper reviews the various techniques, which could be used to enhance the gas production rate from solid substrates. (C) 2004 Published by Elsevier Ltd.
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