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Improvement in The Fuel Characteristics of Empty Fruit Bunch by Leaching and Wet Torrefaction
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 Title & Authors
Improvement in The Fuel Characteristics of Empty Fruit Bunch by Leaching and Wet Torrefaction
Gong, Sung-Ho; Lee, Hyoung-Woo; Lee, Jae-Won;
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In this study, sequential leaching and wet torrefaction were performed to improve the fuel characteristics of empty fruit bunch (EFB). Leaching was carried out at for 5~30 min. The highest ash removal efficiency of 55.99% was achieved when leaching was performed at for 10 min. The ash removal efficiency was dependent more on leaching temperature than time. Wet torrefaction was carried out at for 5~40 min, following the leaching. Most of the inorganic compounds were removed at removal efficiencies of 41.05~63.58% during sequential leaching and wet torrefaction, while silica remained in the biomass. Chloride, calcium, magnesium, and phosphorus showed more than 80% removal efficiencies. The calorific value of EFB increased to 7.96% (4730 kcal/kg) in comparison to the raw material (4390 kcal/kg) when wet torrefaction was performed at for 40 min following leaching.
empty fruit bunch;leaching;wet torrefaction;ash;
 Cited by
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