Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 58, Issue -, Pages 189-201Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2017.09.024
Keywords
Dry reforming of methane; Silica supported nickel catalyst; Nickel-indium bimetallic catalyst; Coke formation; Biogas conversion
Funding
- Hungarian National Research Fund (OTKA PD) [116384]
- Hungarian National Research Fund (OTKA NN) [107170]
- Era-Chemistry
- Hungarian Government through the National Talent Program (Nemzeti Tehetseg Program)
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It was found that coke formation on Ni/SiO2, used in dry reforming of methane, can be eliminated completely by addition of indium to the catalyst. The interaction of the two metals was suggested by the results of TPR, CO-TPD and XPS measurements. The presence and uniform distribution of NiIn and Ni2In alloy nanoparticles after reduction at 700 degrees C of the calcined catalyst was shown by HAADF-STEM, HRTEM and EDX analysis. The indium atoms dilute the nickel surface inhibiting the formation of multiple bonded carbon species thereby hindering the development of carbon nanostructures on the catalyst surface during dry reforming. (C) 2017 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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