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Research article2022Peer reviewed

Valorisation of Napier Grass and Agricultural Residues via Pyrolysis – A Kinetic Study

Bui, H.H.; Tran, K.Q.; Luengnaruemitchai, A.; Seisenbaeva, G.; Naqvi, S.R.; Chen, W.H.

Abstract

Thermal pyrolysis of Thai Napier grass, cassava stalk and rice straw were studied thermogravimetrically, which was followed by a kinetic analysis assuming multiple kinetic schemes and a distributed activation energy model (DAEM) with reaction order n = 1 and n ≠ 1. The results showed that the DAEM described well the experimental data. The assumption of multiple kinetic schemes appeared more reasonable than that of similar studies reported in the literature assuming a single kinetic scheme. Consequently, the kinetic parameters extracted from the present study are more realistic and within reasonable ranges. Overall, the activation energies are within 31.6–223.53 kJ mol-1. The reaction orders are within 1.02–1.32 for the assumption of n ≠ 1.

Published in

Chemical Engineering Transactions
2022, Volume: 92, pages: 169-174
Publisher: Italian Association of Chemical Engineering - AIDIC

    UKÄ Subject classification

    Organic Chemistry

    Publication identifier

    DOI: https://doi.org/10.3303/CET2292029

    Permanent link to this page (URI)

    https://res.slu.se/id/publ/129704