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Influence of Torrefaction on Biomass Devolatilization.
Federica Barontini1, Enrico Biagini1, Leonardo Tognotti1
1Dipartimento di Ingegneria Civile e Industriale, Università di Pisa, Pisa, Largo Lucio Lazzarino 56122, Italy.
ACS Omega
|August 16, 2021
Summary
Torrefaction significantly reduces hemicellulose in lignocellulosic biomass, altering devolatilization. This study quanties volatile product yields and emission characteristics, finding linear correlations with torrefaction degree.
Area of Science:
- Biomass energy conversion
- Thermochemical processing of lignocellulosic materials
Background:
- Lignocellulosic biomass is a sustainable energy source.
- Understanding devolatilization is crucial for efficient biomass utilization.
- Palm kernel shell is a readily available biomass residue.
Purpose of the Study:
- To investigate the impact of torrefaction on biomass devolatilization.
- To analyze the chemical composition changes during torrefaction.
- To characterize volatile products and their yields.
Main Methods:
- Thermogravimetric (TG) analysis for devolatilization studies.
- Kinetic modeling of the devolatilization process.
- Fourier transform infrared (FTIR) spectroscopy for volatile product analysis.
Main Results:
- Torrefaction significantly reduced hemicellulose content in biomass.
- TG-FTIR analysis characterized evolved volatile products.
- Linear correlations were observed between volatile yields and torrefaction degree.
Conclusions:
- Torrefaction alters the devolatilization behavior of lignocellulosic biomass.
- The study provides insights into volatile emissions from torrefied biomass.
- Results support optimizing torrefaction for biomass energy applications.
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