CO-pyrolysis of bituminous coal and coconut shell blends via thermogravimetric analysis
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Date
2020-08
Journal Title
Journal ISSN
Volume Title
Publisher
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects
Abstract
The thermal behavior of bituminous coal, coconut shell, and their blends
during pyrolysis process was investigated in this study. The experiments
were conducted at different weight percent of coconut shell (10, 20, 30, 40,
and 50 wt%) and temperatures ranging from 30°C to 900°C. The DTG data for
fuel blends showed additive profiles that reflected behavior of the individual
fuel. When coconut shell was mixed with coal under weight percent of
20–50%, the nature of peaks in DTG profiles changed from higher to lower
in the third stage reaction, shifting devolatilization temperature from 400°C
to 450°C. This led to a decrease in the maximum rate of mass loss from 10.6%
to 7.4%/min. However, the 10 wt% blend caused a slight increase in the
maximum rate of mass loss from 10.6% to 11%/min. In addition, co-pyrolysis
kinetics of fuel blends indicated that the blending of coconut shell with coal
at BBR higher than 30% can increase the value of activation energy and
induce slow pyrolysis of blends.
Description
Staff Publication
Keywords
Thermogravimetric analysis;, biomass blend ratio;, copyrolysis kinetics;, devolatilization temperature;, maximum rate of mass loss
Citation
Bamiji Zacheous Adewole , Busayo Sunday Adeboye , Babafemi Olamide Malomo , Sirajudeen Olanrewaju Obayopo , Solomon Almanto Mamuru & Abraham Awolola Asere (2020): CO-pyrolysis of bituminous coal and coconut shell blends via thermogravimetric analysis, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects https://doi.org/10.1080/15567036.2020.1798567