Abstract—Pyrolysis is explored as a potential cleaner
valorization alternative for waste pine-dust and shavings from
sawmilling activities in Manicaland, Zimbabwe. The
investigation covers the physical and thermochemical
characterization of the raw material, pyrolysis using a fixed
bed reactor at varying temperatures and subsequent
characterization of the products. The ultimate analysis reveals
that Pine has a CHNO composition of 45.76%, 5.54%, 0.039%
and 48.66% respectively. Thermogravimetry results showed
that the residues’ ash, fixed carbon and volatiles matter
composition was 0.83%, 20% and 79.16%. The high heating
value was found to be 17.57 MJ/kg. Pyrolysis runs were carried
out for temperatures of 450, 500, 550 and 600oC. Results
indicate a maximum yield of bio-oil of 45.7% at a temperature
of 500 oC, which agrees with literature. Generally, the gas yield
increased while the char yield decreased with increase in
temperature.
Index Terms—Bio-oil, energy, pyrolysis, valorization.
G. Charis and G. Danha are with the Botswana International University of
Science and Technology, P.Bag 016, Palapye, Botswana (e-mail:
gratitude.charis@studentmail.biust.ac.bw, danhag@biust.ac.bw).
E. Muzenda is with Botswana International University of Science and
Technology, Botswana and University of Johannesburg, South Africa (e-mail:
muzendae@biust.ac.bw).
B. Patel is with the University of South Africa, P/Bag X6, Florida, 1710,
Johannesburg, South Africa (e-mail: patelb@unisa.ac.za).
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Cite: Gratitude Charis, Gwiranai Danha, Edison Muzenda, and Bilal Patel, "Exploring the Valorization Potential of Pine Residues for Energy Applications through Pyrolysis," International Journal of Materials, Mechanics and Manufacturing vol. 8, no. 2, pp. 46-49, 2020.
Copyright © 2020 by the authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (
CC BY 4.0).
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