Vuppaladadiyam, AK, Memon, MZ, Ji, G et al. (4 more authors) (2019) Thermal Characteristics and Kinetic Analysis of Woody Biomass Pyrolysis in the Presence of Bifunctional Alkali Metal Ceramics. ACS Sustainable Chemistry and Engineering, 7 (1). pp. 238-248. ISSN 2168-0485
Abstract
Effects of alkali ceramics, Na₂ZrO₃ (NZ) and Li₄SiO₄ (LS), were quantified in the catalytic pyrolysis of sawdust, using thermogravimetric analysis and kinetic modeling. Results indicated that the alkali ceramics were able to initiate thermal decomposition at lower temperatures and enhanced H₂ yield. The mean activation energies estimated by Kissinger–Akahira–Sunose (KAS), Flynn–Wall–Ozawa (FWO) and Friedman methods were within the range of 162–166, 114–116, 112–117 kJ mol–1 for sawdust (SD), sawdust mixed with Li₄SiO₄ (SD-LS) and sawdust mixed with Na₂ZrO₃ (SD-NZ), respectively. The theoretical and experimental master plots constructed for SD closely match with theoretical master plot corresponding to three-dimensional diffusion (Ginstling–Brounshtein equation) (D4) reaction model. The SD-LS and SD-NZ samples followed first-order (F1) reaction model at lower conversions and shifted from F1 to three-dimensional diffusion (D4) reaction model at higher conversions.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | Copyright © 2018 American Chemical Society. This document is the unedited Author’s version of a Submitted Work that was subsequently accepted for publication in ACS Sustainable Chemistry and Engineering, To access the final edited and published work see http://doi.org/10.1021/acssuschemeng.8b02967. |
Keywords: | Alkali metal ceramics; In situ CO₂ capture; iso-Conversional methods; Kinetic analysis; Woody biomass |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Chemical & Process Engineering (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 12 Feb 2019 10:30 |
Last Modified: | 15 Oct 2019 00:39 |
Status: | Published |
Publisher: | American Chemical Society |
Identification Number: | 10.1021/acssuschemeng.8b02967 |
Related URLs: | |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:142265 |