Analysis of co-pyrolysis characteristics of high-sulphur coking coal and polyethylene

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Co-pyrolysis reduces semi-coke yield with the addition of polyethylene while altering activation energy requirements.
Thermogravimetric analysis reveals overlapping weight loss rate peaks for coal and polyethylene, facilitating hydrogen transfer.
The activation energy for pyrolysis varies; it increases with polyethylene during volatile release but decreases in slow pyrolysis.
De-sulphurisation of semi-coke shows a non-linear trend, initially rising and then declining with polyethylene introduction.

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Analysis demonstrates how co-pyrolysis affects activation energy in mixtures of coal and polyethylene, implying improved waste management.

Guo et al. (2025) studied this question.

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Analysis demonstrates how co-pyrolysis affects activation energy in mixtures of coal and polyethylene, implying improved waste management.