Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading

Xu R, Kong X, Zhang H, Ruya PM, Li X (2021)
Fuel 289: 119742.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Xu, Ruiyang; Kong, Xiangzhi; Zhang, HaoUniBi; Ruya, Petric Marc; Li, Xiaodong
Abstract / Bemerkung
In this study, a modified rotating gliding arc (RGA) plasma reactor with fan-shaped swirl generator coupled with Ni/gamma-Al2O3 catalyst was investigated for the steam reforming of gasification tar from waste materials, taking toluene as the tar surrogate. The system performance was evaluated in terms of tar conversion, energy efficiency, yield of product gas, as well as synergistic capability of plasma catalysis, with particular attention on the effects of specific energy input (SEI), positioning of the catalysts, and Ni loading of catalysts. Different characterizations of catalysts including N-2 adsorption-desorption, XRD, H-2-TPR, and TEM were conducted to study the properties of catalysts. Incorporation of catalyst placed sufficiently far from the anode increased toluene conversion which indicated the synergy between plasma and catalysis for tar conversion. A toluene conversion of up to 91.9% can be achieved with a distance of 62 mm between the catalyst and the anode, which was 21% higher than that in the plasma alone system. The toluene conversion can be further increased to 94.7% when the Ni loading was increased from 4% to 16%. The synergistic capability of plasma catalysis was demonstrated from an enhanced toluene conversion and the increased formation of value-added fuel gases such as H-2, CO, and CH4, together with simultaneously a selective reduction in CO2 formation, especially when the Ni loading was 4% and 8%. Identification of liquid by-products also revealed the synergy between plasma and catalysis which transformed biradical HC-CH into gaseous products, prohibiting the formation of indene and naphthalene.
Stichworte
Rotating gliding arc plasma; Catalysis; Tar destruction; Toluene; Steam; reforming
Erscheinungsjahr
2021
Zeitschriftentitel
Fuel
Band
289
Art.-Nr.
119742
ISSN
0016-2361
eISSN
1873-7153
Page URI
https://pub.uni-bielefeld.de/record/2953393

Zitieren

Xu R, Kong X, Zhang H, Ruya PM, Li X. Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading. Fuel. 2021;289: 119742.
Xu, R., Kong, X., Zhang, H., Ruya, P. M., & Li, X. (2021). Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading. Fuel, 289, 119742. https://doi.org/10.1016/j.fuel.2020.119742
Xu, R., Kong, X., Zhang, H., Ruya, P. M., and Li, X. (2021). Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading. Fuel 289:119742.
Xu, R., et al., 2021. Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading. Fuel, 289: 119742.
R. Xu, et al., “Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading”, Fuel, vol. 289, 2021, : 119742.
Xu, R., Kong, X., Zhang, H., Ruya, P.M., Li, X.: Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading. Fuel. 289, : 119742 (2021).
Xu, Ruiyang, Kong, Xiangzhi, Zhang, Hao, Ruya, Petric Marc, and Li, Xiaodong. “Destruction of gasification tar over Ni catalysts in a modified rotating gliding arc plasma reactor: Effect of catalyst position and nickel loading”. Fuel 289 (2021): 119742.

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