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This study aims to explore the conversion of end-of-life CRD wood into biochar using slow pyrolysis and to evaluate its performance and stability.

July 2, 2026EnergiesOpen Access

Pilot-Scale Slow Pyrolysis, Post-Heat Treatment, and Self-Heating Performance of Biochar Fuels Derived from Construction, Renovation, and Demolition (CRD) Wood Waste

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Pilot-scale pyrolysis produces biochar from CRD wood waste, enhancing self-heating and carbon stability, indicating sustainable energy options.

This study aims to explore the conversion of end-of-life CRD wood into biochar using slow pyrolysis and to evaluate its performance and stability.
Converted CRD wood waste into biochar via pilot-scale slow pyrolysis at 600 °C and 800 °C for 4 hours.
Conducted post-heat treatment at 600 °C for 30-90 minutes in a nitrogen environment.
Characterized biochar properties using proximate and elemental analysis, TGA/DTG, and SEM-EDX techniques.
Biochar produced at 800 °C had a carbon content of 85.11% and a higher heating value of 30.81 MJ/kg.
Post-heat treatment increased fixed carbon to 77-78% and decreased volatile carbon to 13-15% after 90 min.
Both biochar types passed self-heating tests, indicating improved oxidative stability for further applications.

Ganesan et al. (2026) studied this question.

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Pilot-scale pyrolysis produces biochar from CRD wood waste, enhancing self-heating and carbon stability, indicating sustainable energy options.