article · Journal of Thermal Analysis and Calorimetry
This study investigated biomass pyrolysis as an efficient method for producing fuels and chemical intermediates, aiming to find alternatives to fossil fuels. Researchers explored how wood particle size, ranging from 1 to 3 cm, and pyrolysis temperature, between 300 and 480 °C, influenced the process. They characterised wood residues using EDX and FE-SEM to understand surface morphology and biochar structure. Findings showed that product concentrations were significantly dependent on temperature. Reducing particle size to less than 2 mm enhanced heat transfer and increased bio-oil production. Optimal conditions were identified as a 1 cm wood particle size and a heating temperature of 480 °C, yielding specific amounts of bio-oil, syngas, and biochar from wood biomass.
This research is important because it explores efficient ways to convert biomass into valuable fuels and chemicals, offering a sustainable alternative to fossil fuels. Understanding the optimal conditions for this process can help develop cleaner energy sources and reduce environmental impact, contributing to a more sustainable future.
This research provides foundational data for developing processes to convert wood biomass into bio-oil, syngas, and biochar, which can serve as sustainable fuels and chemical feedstocks. Potential users include energy companies, chemical manufacturers, and agricultural industries seeking to utilise biomass waste. The identification of optimal conditions and specific yields suggests this is applied research, moving towards practical application in the production of renewable energy and chemicals.
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Abstract Finding alternatives to fossil fuels is extremely important for economic and environmental considerations. Biomass pyrolysis stands out as an efficient method for generating fuels and chemical intermediates. This study explored the influence of wood particle size (ranging from 1 to 3 cm) and pyrolysis temperature (ranging from about 300 to 480 °C) on the process. Characterization of wood residues utilized energy-dispersive X-ray (EDX) and field emission scanning electron microscopy (FE-SEM) to comprehend surface morphology and resultant biochar structure. Results revealed a significant temperature-dependent impact on pyrolysis product concentrations. Biomass composition analysis indicates lignin, hemicellulose, extractive contents, and cellulose percentages at 11.23%, 39%, 2.15%, and 47.62% mass/mass, respectively. Reduction in particle size to less than 2 mm enhances heat transfer, elevating overall bio-oil production. Major bio-oil components comprise phenolics, acids, alcohols, aldehydes, and ketones. Optimal conditions are identified at a wood particle size of 1 cm and a heating temperature of 480 °C. For every 1.0 kg of wood biomass residues, bio-oil, syngas, and biochar yields are 0.38 kg, 0.22 kg, and 0.4 kg, respectively. Notably, the agreement between Aspen Plus simulation and experimental findings underscored the robustness of the study.
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DOI: 10.1007/s10973-024-12987-y
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