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Effects of limestone calcination on the gasification processes in a BFB coal gasifier

Effects of limestone calcination on the gasification processes in a BFB coal gasifier
Effects of limestone calcination on the gasification processes in a BFB coal gasifier
An Eulerian-Eulerian computational fluid dynamics (CFD) model of the gasification processes in a coal bubbling fluidised bed (BFB) is presented incorporating the devolatilisation, heterogeneous, homogeneous reactions and limestone calcination. The model considers separate phases for the coal, limestone and char and is carried out for different experimental conditions taken from the literature.
The results of the exiting gas compositions have been averaged over time and validated with experimental data. The hydrodynamic behaviour as well as temperature and reaction distributions within the bed are presented. The impact of limestone calcination on the gaseous composition is observed
1385-8947
848-860
Armstrong, Lindsay-Marie
db493663-2457-4f84-9646-15538c653998
Gu, Sai
a6f7af91-4731-46fe-ac4d-3081890ab704
Luo, Kai H.
86f52a13-fdcd-40e4-8344-a6fe47c4e16b
Armstrong, Lindsay-Marie
db493663-2457-4f84-9646-15538c653998
Gu, Sai
a6f7af91-4731-46fe-ac4d-3081890ab704
Luo, Kai H.
86f52a13-fdcd-40e4-8344-a6fe47c4e16b

Armstrong, Lindsay-Marie, Gu, Sai and Luo, Kai H. (2011) Effects of limestone calcination on the gasification processes in a BFB coal gasifier. Chemical Engineering Journal, 168, 848-860. (doi:10.1016/j.cej.2011.01.102).

Record type: Article

Abstract

An Eulerian-Eulerian computational fluid dynamics (CFD) model of the gasification processes in a coal bubbling fluidised bed (BFB) is presented incorporating the devolatilisation, heterogeneous, homogeneous reactions and limestone calcination. The model considers separate phases for the coal, limestone and char and is carried out for different experimental conditions taken from the literature.
The results of the exiting gas compositions have been averaged over time and validated with experimental data. The hydrodynamic behaviour as well as temperature and reaction distributions within the bed are presented. The impact of limestone calcination on the gaseous composition is observed

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Published date: 29 January 2011
Organisations: Engineering Sciences

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Local EPrints ID: 157033
URI: https://eprints.soton.ac.uk/id/eprint/157033
ISSN: 1385-8947
PURE UUID: 2603d9cf-2ce8-43da-a635-57188f89af6a

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Date deposited: 08 Feb 2011 09:49
Last modified: 28 Oct 2019 21:39

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