A study on the kinetics and thermal decomposition behavior during the non-catalytic co-pyrolysis of pineapple crown waste (PCW) and polyethylene (PE)
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Full Text |
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Author |
Joselito A. Olalo and Floradelle A. Vega
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e-ISSN |
1819-6608 |
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On Pages
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1278-1284
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Volume No. |
20
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Issue No. |
15
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Issue Date |
November 15, 2025
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DOI |
https://doi.org/10.59018/0825145
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Keywords |
pineapple crown waste, polyethylen, TGA, DTG, co-pyrolysis.
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Abstract
Unlike plastic, biomass can be converted into high-quality alternative fuel. This study investigated the co-pyrolysis of pineapple crown wastes (PCW) and poly-ethylene plastic (PE). The synergy between these two feedstocks was evaluated using thermogravimetric (TGA) and derivative thermogravimetry (DTG) analyses. The Coats-Redfern method was employed to determine the activation energy during synergy analysis. The results indicated that the activation energy ranged from 17 to 200 KJ/mol, depending on the composition of the co-pyrolysis mixture. The thermal degradation occurred in two stages: PCW degraded at temperatures between 170 and 400°C, while PE degraded at temperatures between 400 and 550°C. The co-pyrolysis of PCW and PE shows potential as an alternative fuel source and offers a solution to community waste problems.
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