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Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production.

Jayakumar, Anjali; Morrisset, David; Koutsomarkos, Vasileios; Wurzer, Christian; Hadden, Rory M.; Lawton, Linda; Edwards, Christine; Mašek, Ondřej

Authors

Anjali Jayakumar

David Morrisset

Vasileios Koutsomarkos

Christian Wurzer

Rory M. Hadden

Ondřej Mašek



Abstract

Low-cost pyrolysis units such as flame curtain pyrolysis kilns are gaining popularity for biochar production. However, the processes that govern the working of such units are not well understood. Here, emissions, temperatures and mass loss are monitored in real-time during kiln operation, followed by extensive biochar sampling. We found that by adjusting the layering rates of feedstock during kiln operation, we can obtain a biochar yield (28 wt% with a fixed carbon content of 65 wt%) comparable to that produced from the same feedstock in a continuous-scale pyrolysis unit, highlighting the importance of systematic guidelines for optimal kiln operation.

Citation

JAYAKUMAR, A., MORRISSET, D., KOUTSOMARKOS, V., WURZER, C., HADDEN, R.M., LAWTON, L., EDWARDS, C. and MAŠEK, O. 2023. Systematic evaluation of pyrolysis processes and biochar quality in the operation of low-cost flame curtain pyrolysis kiln for sustainable biochar production. Current research in environmental sustainability [online], 5, article 100213. Available from: https://doi.org/10.1016/j.crsust.2023.100213

Journal Article Type Article
Acceptance Date Mar 14, 2023
Online Publication Date Mar 27, 2023
Publication Date Dec 31, 2023
Deposit Date Mar 31, 2023
Publicly Available Date Mar 31, 2023
Journal Current research in environmental sustainability
Print ISSN 2666-0490
Electronic ISSN 2666-0490
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 5
Article Number 100213
DOI https://doi.org/10.1016/j.crsust.2023.100213
Keywords Flame curtain pyrolysis; Low-cost homogeneous biochar; Combustion science; Emissions; Operating guidelines
Public URL https://rgu-repository.worktribe.com/output/1925283
Additional Information This article has been published with separate supporting information. This supporting information has been incorporated into a single file on this repository and can be found at the end of the file associated with this output.

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