Uncertainty estimation approach in catalytic fast pyrolysis of rice husk: Thermal degradation, kinetic and thermodynamic parameters study

Loy, A.C.M. and Yusup, S. and How, B.S. and Yiin, C.L. and Chin, B.L.F. and Muhammad, M. and Gwee, Y.L. (2019) Uncertainty estimation approach in catalytic fast pyrolysis of rice husk: Thermal degradation, kinetic and thermodynamic parameters study. Bioresource Technology, 294. ISSN 09608524

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Abstract

The aim of this study was to understand the influence of catalyst in thermal degradation behavior of rice husk (RH) in catalytic fast pyrolysis (CFP) process. An iso-conversional Kissinger kinetic model was introduced into this study to understand the activation energy (EA), pre-exponential value (A), Enthalpy (�H), Entropy (�S) and Gibb's energy (�G) of non-catalytic fast pyrolysis (NCFP) and CFP of RH. The study revealed that the addition of natural zeolite catalyst enhanced the rate of devolatilization and decomposition of RH associated with lowest EA value (153.10 kJ/mol) compared to other NCFP and CFP using nickel catalyst. Lastly, an uncertainty estimation was applied on the best fit non-linear regression model (MNLR) to identify the explanatory variables. The finding showed that it had the highest probability to obtain 73.8�74.0 mass loss in CFP of rice husk using natural zeolite catalyst. © 2019 Elsevier Ltd

Item Type: Article
Additional Information: cited By 39
Uncontrolled Keywords: Activation energy; Catalysts; Kinetic theory; Kinetics; Monte Carlo methods; Pyrolysis; Regression analysis; Zeolites, Activation energies (Ea); Explanatory variables; Fast pyrolysis; Kinetic and thermodynamic parameters; Kinetic study; Non-linear regression; Rice husk; Uncertainty estimation, Uncertainty analysis, nickel; zeolite, catalysis; crop residue; degradation; estimation method; Monte Carlo analysis; nonlinearity; parameterization; pyrolysis; reaction kinetics; regression analysis; thermodynamics; uncertainty analysis; zeolite, Article; biomass; catalysis; catalyst; decomposition; degradation; enthalpy; entropy; heating; kinetics; Monte Carlo method; priority journal; pyrolysis; rice husk; simulation; temperature; thermodynamics; uncertainty; kinetics; Oryza; pyrolysis; thermodynamics; thermogravimetry; uncertainty, Kinetics; Oryza; Pyrolysis; Thermodynamics; Thermogravimetry; Uncertainty
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 10 Nov 2023 03:25
Last Modified: 10 Nov 2023 03:25
URI: https://khub.utp.edu.my/scholars/id/eprint/11054

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