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Gasification of Wood Chips, Agricultural Residues, and Waste in a Commercial Downdraft Gasifier
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Transactions of the ASABE. 54(5): 1801-1807. (doi: 10.13031/2013.39819) @2011
Authors: G. Gautam, S. Adhikari, C. Brodbeck, S. Bhavnani, O. Fasina, S. Taylor
Keywords: Carbon dioxide, Carbon monoxide, Downdraft gasifier, Hydrogen, Methane, Syngas
In this study, gasification of different biomass feedstocks, including pine wood chips, sawdust, peanut hulls, and poultry litter (the latter three in pelletized form), was conducted in a 25 kWe commercially available, mobile downdraft gasifier. Ultimate and proximate analyses were carried out to characterize the biomass feedstocks used for gasification. The synthesis gas obtained from different feedstocks and different operating conditions (biomass flow rate and moisture content) was analyzed using an on-site gas analyzer. Gasification of peanut hull pellets showed the highest heating value (6.1 MJ per normal cubic meter, Nm-3) of synthesis gas, whereas poultry litter gasification gave the lowest heating value (4.8 MJ Nm-3).(Download PDF) (Export to EndNotes)