Production of Oil Palm Frond Fiberboard and its Sound Absorption Characteristics
Keywords:
fi berboard, oil palm, acoustic material, sound absorption, natural fibersAbstract
This study investigated the sound absorption capacity of fiberboards produced from oil palm fronds treated by nine different combinations of cooking and refining processes. The percentage fiber yield, consumed energy and wastewater characteristics were also compared. The results showed that all acoustic boards had high sound absorption capacity at high frequencies. Although boards produced from fronds cooked for 21 min at 162 ± 2 ÀC and crushed by a disk refiner with clearance distance of the disk set at 0.5 mm showed the best sound absorption capacity, the fiber yield gained from this condition was the lowest and the consumed energy and biological oxygen demand were the highest.
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online 2452-316X print 2468-1458/Copyright © 2022. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/),
production and hosting by Kasetsart University of Research and Development Institute on behalf of Kasetsart University.