Optimal blending to improve the combustibility of biofuels: a waste-to-energy approach

Increasing awareness due to climate change have been stimulating the development of renewable energies. Slow pyrolysis is considered a good method to produce high calorific value char, especially using lignin-rich sources. Along with calorific value, the ignition temperature is another important fac...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2022-05, Vol.147 (10), p.5771-5777
Main Authors: Malucelli, L. C., Guiotoku, M., Maia, C. M. B. F., Carvalho Filho, M. A. S.
Format: Article
Language:English
Subjects:
Analysis
Analytical Chemistry
Biodiesel fuels
Biofuels
Biomass
Biomass burning
Biomass energy
Blending
Calorific value
Chemistry
Chemistry and Materials Science
Climatic changes
Combustion
Energy management systems
Evaluation
Flammability
Ignition temperature
Inorganic Chemistry
Lignin
Measurement Science and Instrumentation
Physical Chemistry
Polymer Sciences
Pyrolysis
Temperature
Thermal analysis
Waste to energy
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Summary:Increasing awareness due to climate change have been stimulating the development of renewable energies. Slow pyrolysis is considered a good method to produce high calorific value char, especially using lignin-rich sources. Along with calorific value, the ignition temperature is another important factor to classify biofuels as it is the minimum required temperature for self-sustaining combustion. Pyrolysis is responsible not only for improving the calorific value of biomass, but also for increasing its ignition, thus demanding more energy for char combustion. Therefore, the production of a char with energetic potential and improved combustibility is important. Here, chars produced at 300–700 °C and blended with biomass were evaluated according to their higher heating value (HHV) and ignition temperature by thermal analysis. The ash content of chars produced at higher temperatures limited their energetic potential. Depending on the ratio, blending char with biomass improved its combustibility without compromising its HHV.
ISSN:1388-6150
1588-2926
DOI:10.1007/s10973-021-10955-4