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Received February 24, 2016
Accepted July 12, 2016
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The effect of promoters on the CO2 reforming activity and coke formation of nanocrystalline Ni/Al2O3 catalysts prepared by microemulsion method

1Catalyst and Advanced Materials Research Laboratory, Chemical Engineering Department, Faculty of Engineering, University of Kashan, Kashan, Iran 2Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, Iran 3, Iran
rezaei@kashanu.ac.ir
Korean Journal of Chemical Engineering, December 2016, 33(12), 3359-3366(8)
https://doi.org/10.1007/s11814-016-0203-6
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Abstract

Mesoporous nanocrystalline nickel-alumina promoted catalysts with high surface area were prepared by microemulsion (ME) method and employed in dry reforming of methane reaction. The catalysts were characterized by X-ray diffraction (XRD), Brunauer-Emmett-Teller surface area analysis (BET), temperature programmed reduction (TPR) and temperature programmed oxidation (TPO) techniques. The results showed that the prepared catalysts had high porosity with great surface area and small crystallite size. Among the K2O, MgO, CaO and BaO promoters, the MgO promoter showed considerable effect on catalytic performance and coke suppression of catalyst.

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