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Title: | The Distinctive Effects of Glucose-Derived Carbon on the Performance of Ni-Based Catalysts in Methane Dry Reforming |
Authors: | Srinivas, Appari |
Keywords: | Chemical Engineering Methane dry reforming Syngas Ni-catalyst Glucose-derived carbon Metal dispersion |
Issue Date: | 2020 |
Publisher: | MDPI |
Abstract: | This study aimed to investigate the effect of carbon derived from glucose (C) on the physicochemical characteristics and catalytic activity of Ni, supported over SiO2, ZSM-5, and TiO2 in methane dry reforming. Among the Ni catalysts without C, Ni/SiO2 exhibited the highest CH4-CO2 conversion and stability at all experimented temperatures. On the other hand, the C-incorporated catalysts prepared by glucose impregnation, followed by pyrolysis, showed dissimilar performances. C improved the stability of Ni/SiO2 in the reforming at 650 °C and 750 °C and increased the CH4 and CO2 conversion to the level close to the thermodynamic equilibrium at 850 °C. However, this element did not substantially affect the activity of Ni/ZSM-5 and exerted a retarding effect on Ni/TiO2. Characterizations with H2-TPD, XRD, EXAFS, and STEM-EDS revealed that the different influences of C by the supports were attributed to the extent of metal dispersion and metal-support interaction |
URI: | https://www.mdpi.com/2073-4344/10/1/21 http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/2631 |
Appears in Collections: | Department of Chemical Engineering |
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