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Performance and emission characteristics of micro gasifier based cook stove using solid biomass Melia dubia and Casuarina

Many large-scale improved cooking stove systems has been introduced in various developing countries to replace existing obsolete conventional biomass cooking stoves. Improved cooker stoves are one with higher performance and lower emissions. In this work, two solid biomass fuels such as Melia dubia and Casuarina are investigated on dry basis in a regular forced stove micro-gasifier. The effect of the Melia dubia and Casuarina fuel on thermal efficiency and emission reduction of the forced stove micro-gasifier is analysed using Water Boiling Test-4.2.3. The experimental results revealed that the thermal efficiency of the micro-gasifier stove for the fuel Melia dubia and Casuarina is 42% and 40% respectively. The fuel consumption of the micro-gasifier stove is estimated for the fuel Melia dubia is 86 g/l and Casuarina 90 g/l. The carbon monoxide and particulate matter emission Melia dubia is slightly lesser compared to the Casuarina. Emissions of carbon monoxide and particulate matter are detected for Melia dubia at 22 ppm and 0.05 mg/m3 and for Casuarina at 25 ppm and 0.07 mg/m3. Efficiency and emission values for selected fuels Melia dubia and Casuarina have shown promising results for the selected micro-gasifier.