A CFD study on the reacting flow of partially combusting hot coke oven gas in a bench-scale reformer

Li, C and Appari, S and Tanaka, R and Hanao, K and Lee, Y and Kudo, S and Hayashi, J-i and Janardhanan, V M and Watanabe, H and Norinaga, K (2015) A CFD study on the reacting flow of partially combusting hot coke oven gas in a bench-scale reformer. Fuel, 159. pp. 590-598. ISSN 0016-2361

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Abstract

A computational fluid dynamics (CFD) approach to simulate reacting flow in a hot coke oven gas (HCOG) reformer is presented. The HCOG was reformed by non-catalytic partial oxidation in a tubular reactor (0.6 m i.d. and ∼4.1 m long) with four oxygen nozzles (0.0427 m i.d.), which was installed on a platform of an operating coke oven. The reforming of HCOG, a multi-component mixture, in a turbulent flow was simulated numerically by considering both chemical reactions and fluid dynamics. The detailed chemical kinetic model, originally consisting of more than 2000 elementary reactions with 257 species, was reduced to 410 reactions with 47 species for realising a kinetic model of finite rate reactions with a k–ε turbulence model. The calculation was carried out using the eddy dissipation concept (EDC) coupled with the kinetic model, and accelerated using the in situ adaptive tabulation (ISAT) algorithm. Numerical simulations could reproduce the reformed gas compositions fairly well, such as H2, CO, CO2, and CH4, as well as the temperature profile in a HCOG reformer as measured by thermocouples.

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IITH Creators:
IITH CreatorsORCiD
Janardhanan, V Mhttp://orcid.org/0000-0002-3458-4169
Item Type: Article
Uncontrolled Keywords: Partial oxidation; Detailed chemical kinetic model; Turbulence–chemistry interaction; Syngas
Subjects: Chemical Engineering > Oils, fats, waxes, gases
Chemical Engineering > Biochemical Engineering
Divisions: Department of Chemical Engineering
Depositing User: Team Library
Date Deposited: 11 Aug 2015 06:11
Last Modified: 05 Jul 2017 10:35
URI: http://raiith.iith.ac.in/id/eprint/1837
Publisher URL: https://doi.org/10.1016/j.fuel.2015.07.023
OA policy: http://www.sherpa.ac.uk/romeo/issn/0016-2361/
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