Physico-thermal characterization of biomass materials of different nature of briquettes
Ghaffar, S. (University of Agriculture, Faisalabad (Pakistan). Dept. of Structures and Environmental Engineering) | Nasir, A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Structures and Environmental Engineering) | Ali, M.A. (University of Agriculture, Faisalabad (Pakistan). Dept. of Structures and Environmental Engineering) | Farid, M.U.
Biomass can be used efficiently by making biomass briquettes which may help resolving the problems related to handling, storage and transport. The present study was conducted in the Department of Structural and Environmental Engineering, University of Agriculture, Faisalabad, Pakistan during 2014 in order to check physical and thermal properties (density, durability, calorific value and percentage of ash contents) of different combinations of biomass materials such as sawdust + cotton sticks (A), sawdust + sunflower (B), sawdust + maize straw (C), sawdust + rice husk (D) and sawdust + garden waste (E) used for briquetting. The moisture content, compression ratio and particle size were taken as independent variables while durability, density, calorific value and ash content percentage were taken as dependent variables. Biomass briquettes were made for compression ratios (1:7, 1:8.5 and 1:10), particle size (6, 3 and 1 mm) and moisture content (12, 10 and 8% w.b.). The dwell time was 60 seconds. At each briquetting condition, three replications were used. The results showed that the best physico-thermal characteristics were attained at less than 10% moisture content, 1:10 compression ratio and 3mm particle size. The briquettes B and A recorded durability, density, calorific value and ash content were 90%, 1001 kg/m3, 19.44MJ/kg, 2.5% and 89.22%, 1000.11kg/m3, 17.94MJ/kg and 7.3% respectively. The combination C recorded 18.92MJ/kg calorific value with 3.6% ash content.
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