Modelling of heat transfer during torrefaction of large lignocellulosic biomass

Regmi, Bharat; Arku, Precious; Tasnim, Syeda Humaira

doi:10.1007/s00231-018-2300-z

Cited by 5 publications

(1 citation statement)

References 16 publications

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“…The model created by Regmi et al [99] was made for a torrefaction process of poplar woody biomass. Although it was developed for a different thermochemical conversion process, it serves as a good example of a 2D axisymmetric model with heat transfer in porous media physics.…”

Section: Porosity Of Feedstockmentioning

confidence: 99%

Computational Modeling Approaches of Hydrothermal Carbonization: A Critical Review

2022

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Hydrothermal carbonization (HTC) continues to gain recognition over other valorization techniques for organic and biomass residue in recent research. The hydrochar product of HTC can be effectively produced from various sustainable resources and has been shown to have impressive potential for a wide range of applications. As industries work to adapt the implementation of HTC over large processes, the need for reliable models that can be referred to for predictions and optimization studies are becoming imperative. Although much of the available research relating to HTC has worked on the modeling area, a large gap remains in developing advanced computational models that can better describe the complex mechanisms, heat transfer, and fluid dynamics that take place in the reactor of the process. This review aims to highlight the importance of expanding the research relating to computational modeling for HTC conversion of biomass. It identifies six research areas that are recommended to be further examined for contributing to necessary advancements that need to be made for large-scale and continuous HTC operations. The six areas that are identified for further investigation are variable feedstock compositions, heat of exothermic reactions, type of reactor and scale-up, consideration of pre-pressurization, consideration of the heat-up period, and porosity of feedstock. Addressing these areas in future HTC modeling efforts will greatly help with commercialization of this promising technology.

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Section: Porosity Of Feedstockmentioning

confidence: 99%