Biomass constituents’ interactions with coal during co-firing

Oladejo, Jumoke, Shi, Kaiqi, Meng, Yang, Adegbite, Stephen and Wu, Tao (2019) Biomass constituents’ interactions with coal during co-firing. Energy Procedia, 158 . pp. 1640-1645. ISSN 1876-6102

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The importance of biomass in the emerging low carbon economy remains quite crucial especially relating to the co-firing of coal and biomass due to the improvements in thermal properties and its influence on reactivity, burnout and flame stability. In this research, the combustion profile of coal and biomass blends, coal and low temperature biomass ash blends and coal and demineralized biomass blends were studied using thermogravimetric analysis. The results established the presence of both mechanism of synergy in the fuel blends during co-firing. This was substantiated by significant decrease in peak, burnout temperature as well as reduction in activation energy, demonstrating non-additive interaction between the biomass and coal sample. Further deductions reveal a degree of overlap in the function of catalytic and non-catalytic synergy mechanisms in the biomass blends due to competitive reactions among the catalyzing AAEMs and the hydrogen contributing organic constituents of biomass with coal. Finally, this study further establishes a higher degree of catalytic synergy in potassium rich oat straw in comparison to calcium rich gumwood. © 2019 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( Peer-review under responsibility of the scientific committee of ICAE2018 - The 10th International Conference on Applied Energy.

Item Type: Article
Additional Information: This conference paper was published by Elsevier Ltd.
Keywords: biomass; coal; combustion; synergy; Thermogravimetry
Schools/Departments: University of Nottingham Ningbo China > Faculty of Science and Engineering > Department of Chemical and Environmental Engineering
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Depositing User: Wu, Cocoa
Date Deposited: 09 May 2019 10:07
Last Modified: 09 May 2019 10:07

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