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Title: Influence of promoting Ni-based catalysts with ruthenium in the dry reforming of polypropylene plastics for syngas production
Authors: Younis, Aida
Estephane, Jane 
Gennequin, Cédric
Tidahy, Lucette
El Khoury, Bilal
Aouad, Samer 
Abi Aad, Edmond
Affiliations: Department of Chemical Engineering 
Department of Chemistry 
Keywords: Carbon dioxide
Dry reforming
Issue Date: 2022-12-08
Part of: International Journal of Hydrogen Energy
Volume: 47
Issue: 95
Start page: 40204
End page: 40217
The catalytic dry reforming of plastic waste is conducted in two-stage fixed bed reactors. The pyrolysis of polypropylene plastics occurs in the first reactor, and the pyrolyzed gases undergo a reforming reaction with carbon dioxide over a catalyst in the second reactor. The wet impregnation method is used to synthesize Ru–Ni/Al2O3 catalysts, which are then calcined and reduced at 800 °C. The results show that as the nickel loading increases, the syngas production increases. Promoting the catalyst with a small quantity of ruthenium significantly improves the plastic conversion into syngas. The dry reforming of polypropylene over 1Ru15Ni/Al2O3 catalyst resulted in the maximum syngas yield (159 mmolsyngas/gPP) at a 2:1 plastic to catalyst ratio. The catalytic dry reforming of plastics is promising for the production of synthesis gas.
ISSN: 03603199
DOI: 10.1016/j.ijhydene.2022.07.156
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Chemistry
Department of Chemical Engineering

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