Combination of torrefaction and leaching treatments on the solid biofuel characteristics of fast-growing timbers species and oil palm biomass

This study examines the potential of integrating leaching and torrefaction processes to create an enhanced solid biofuel from lignocellulosic biomass. The focus is on evaluating the impact of these combined methods on ash removal efficiency and the melting characteristics of the treated biomass. Two...

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Bibliographic Details
Published in:Bioresources 2024-11, Vol.19 (4), p.712
Main Authors: Lee, C L, Chin, K L, Abdullah, L C, Mohd Sahfani, M. N. H., Khoo, P S
Format: Article
Language:English
Subjects:
Acids
Ash removal
Biodiesel fuels
Biofuels
Biomass
Biomass energy
Calorific value
Drying
Efficiency
Heat transmission
High temperature
Leaching
Lignocellulose
Melt temperature
Melting
Potassium
Pyrolysis
Sequences
Sintering
Yeast
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Summary:This study examines the potential of integrating leaching and torrefaction processes to create an enhanced solid biofuel from lignocellulosic biomass. The focus is on evaluating the impact of these combined methods on ash removal efficiency and the melting characteristics of the treated biomass. Two possible strategies were considered: implementing torrefaction first followed by leaching, or conducting leaching first followed by torrefaction. By incorporating both leaching and torrefaction treatments, regardless of order, a solid biofuel with improved properties was attained, especially in terms of higher heating value yield and ash melting temperature compared to individual treatment (either only torrefaction or only leaching). Depending on the sequencing of the leaching treatment, there was a reduction in ash yield from raw biomass ranging between 60% – 86%, while for torrefied biomass it ranged between 47% – 68%. Leaching treatment before torrefaction treatment was determined to be a more effective combination.
ISSN:1930-2126
DOI:10.15376/biores.19.4.7120-7135