Densification of Khaya Senegalensis Leaves for Green Coal Production
Densification of Khaya Senegalensis Leaves for Green Coal Production
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Date
2019
Authors
Alewo, Opuada Ameh
Tajudeen, Kolawale Bello
Mohammed, Fatima
Timothy, Umma Onuh
Journal Title
Journal ISSN
Volume Title
Publisher
Engineering, Technology, and Sustainable Development Journal
Abstract
This study was undertaken to investigate the physical and
combustion properties of briquettes produced from non-uniform
particle size biomass, Khaya senegalensis leaves at 20%, 30%, 40%,
50% and 60% starch levels (cassava starch binder). The laboratory
hydraulic press machine was employed in the briquettes production.
The briquettes produced were analyzed for moisture content, ash
content, burning rates, compressed density, relaxed density and
calorific values which values ranged from 27- 62%, 2.35-7.2%, 1.10
3 3
- 0.5 g/min, 0.87 - 0.97 (g/cm ), 0.367 - 0.552 (g/cm ) and 18.0458 -
24.0223 MJ/kg, respectively. The results revealed that increase in
binder concentration has a significant effect on physical and
combustion properties of briquettes produced from Khaya
senegalensis leaves. The derived briquette energy or heating values
were found to be within the ranged of 18.0458 - 24.0223 MJ/kg,
which is comparable to energy value to other fuel sources such as
sub-bituminous coal and wood, which values are in the range of
20.000-24.730 MJ/kg, 12.23-17.00 MJ/kg respectively. Therefore,
producing briquettes from leaves will be a huge opportunity in
confronting both the waste problem and the domestic fuel challenge
at the same time
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