Abstract
This research presents the combustion test of Kanchanaburi’s residue waste used in an 80kW updraft gasifier as biomass fuel. Three types of selected biomass were considered: corncob, bagasee, and straw. The 80kW updraft gasifier was designed, fabricated, and experimentally studied. In the gasifier, a variable speed centrifugal fan acted as a forced convection unit, which was installed near the combustion chamber and transferred air volume to the updraft gasifier stove. The experimental results show the temperature in each zone of the thermochemical processes. The gasifier was evaluated by comparing the performance of the 3 different biomass fuels. The average producer gas from the burning of corncob, bagasee, and straw was 2.31m3/kg, 2.15m3/kg, and 2.11m3/kg respectively in the updraft gasifier. The recorded stove running times (h) for were 1.24, 1.2 and 1.05, respectively. The producer gas can be used to run a local cooking stove kiln with at normal rated heat generation successfully.
Highlights
Thailand is an agricultural country with agricultural residues of high potential [1], which can be used as renewable energy sources such as sugar cane, cassava, oil palm, rice, corn, bagasse, fiber and palm shell, rice husk, and corncobs
Agricultural waste such as corncobs or rice husk fuel can be used, but each source has different qualities, which depend on many factors such as fuel type, calorific value, and humidity
Fuel quality can be improved by increasing the carbon content, e.g. by applying coke on the chosen fuel type
Summary
Thailand is an agricultural country with agricultural residues of high potential [1], which can be used as renewable energy sources such as sugar cane, cassava, oil palm, rice, corn, bagasse, fiber and palm shell, rice husk, and corncobs. They can be used as fuel for generating electricity and heat. A gasifier can be designed for utilizing a variety of fuels such as charcoal or scrapped wood Agricultural waste such as corncobs or rice husk fuel can be used, but each source has different qualities, which depend on many factors such as fuel type, calorific value, and humidity. Fuel quality can be improved by increasing the carbon content, e.g. by applying coke on the chosen fuel type
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