Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Mathematical Modelling of Pyrolysis of Hardwood (Acacia)

Version 1 : Received: 6 February 2020 / Approved: 7 February 2020 / Online: 7 February 2020 (09:31:24 CET)

How to cite: Dhaundiyal, A.; Singh, S.; Bacskai, I. Mathematical Modelling of Pyrolysis of Hardwood (Acacia). Preprints 2020, 2020020094 (doi: 10.20944/preprints202002.0094.v1). Dhaundiyal, A.; Singh, S.; Bacskai, I. Mathematical Modelling of Pyrolysis of Hardwood (Acacia). Preprints 2020, 2020020094 (doi: 10.20944/preprints202002.0094.v1).

Abstract

This paper emphasises on the analogous modelling of hardwood (Acacia) pyrolysis. The effect of physical characteristics of hardwood chips on the pyrolysis is examined through the conservation of solid mass fraction of biomass. The chip size of G30 and G50 are used in the pyrolysis reactor. In the analogous situation, the fixed bed is assumed to be a wooden slab with a porosity equivalent to the voidage of bed. The bulk density, the length of the bed and the porosity are some of the physical attributes of a fixed bed used to determine the variation of solid mass of the hardwood across the fixed bed. The four-temperature sensors separated from each other by 80 mm are used to determine the temperature along the length of the pyrolysis unit. The heating element of 2 kWe is used to initiate the pyrolysis of biomass. The experiments are conducted in three different stages. The ONORM standard chips, G30 and G50, and the combination of them are separately pyrolysis to determine the validity of a model for different sizes of chips. The proposed model is also used to establish the relationship between the kinetics of pyrolysis and decomposition of the hardwood.

Subject Areas

Pyrolysis; hardwood chips; heat transfer; physical parameters; kinetics parameters

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