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Hybrid plasma-catalytic steam reforming of toluene as a biomass tar model compound over Ni/Al 2 O 3 catalysts

Liu, S.Y., Mei, D.H., Nahil, M.A., Gadkari, Siddharth, Gu, Sai, Williams, P.T. and Tu, X. (2017) Hybrid plasma-catalytic steam reforming of toluene as a biomass tar model compound over Ni/Al 2 O 3 catalysts Fuel Processing Technology, 166. pp. 269-275.

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Abstract

In this study, plasma-catalytic steam reforming of toluene as a biomass tar model compound was carried out in a coaxial dielectric barrier discharge (DBD) plasma reactor. The effect of Ni/Al2O3 catalysts with different nickel loadings (5–20 wt%) on the plasma-catalytic gas cleaning process was evaluated in terms of toluene conversion, gas yield, by-products formation and energy efficiency of the plasma-catalytic process. Compared to the plasma reaction without a catalyst, the combination of DBD with the Ni/Al2O3 catalysts significantly enhanced the toluene conversion, hydrogen yield and energy efficiency of the hybrid plasma process, while significantly reduced the production of organic by-products. Increasing Ni loading of the catalyst improved the performance of the plasma-catalytic processing of toluene, with the highest toluene conversion of 52% and energy efficiency of 2.6 g/kWh when placing the 20 wt% Ni/Al2O3 catalyst in the plasma. The possible reaction pathways in the hybrid plasma-catalytic process were proposed through the combined analysis of both gas and liquid products.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Chemical and Process Engineering
Authors :
NameEmailORCID
Liu, S.Y.UNSPECIFIEDUNSPECIFIED
Mei, D.H.UNSPECIFIEDUNSPECIFIED
Nahil, M.A.UNSPECIFIEDUNSPECIFIED
Gadkari, Siddharths.gadkari@surrey.ac.ukUNSPECIFIED
Gu, Saisai.gu@surrey.ac.ukUNSPECIFIED
Williams, P.T.UNSPECIFIEDUNSPECIFIED
Tu, X.UNSPECIFIEDUNSPECIFIED
Date : 19 July 2017
Funders : Engineering & Physical Sciences Research Council (EPSRC)
Identification Number : 10.1016/j.fuproc.2017.06.001
Grant Title : EPSRC SUPERGEN Bioenergy Challenge, EPSRC Impact Acceleration Account
Copyright Disclaimer : © 2017 Elsevier B.V. All rights reserved
Uncontrolled Keywords : Plasma-catalysis; Non-thermal plasma; Dielectric barrier discharge; Biomass gasification; Tar removal
Depositing User : Clive Harris
Date Deposited : 06 Sep 2017 14:34
Last Modified : 06 Sep 2017 14:34
URI: http://epubs.surrey.ac.uk/id/eprint/842203

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