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Title: Advanced Titania composites for efficient CO2 reforming with Methane : Statistical method vs Experiment
Authors: Shah Mumtaj
Mondal Sanjeev
Nayak Ameeya Kumar
Bordoloi Ankur
Published in: Journal of CO2 Utilization
Abstract: The design and optimization of nanocrystalline mesoporous Ni-based catalyst for methane reforming with CO2 were studied using a statistically designed experiment. The Taguchi method based advanced combinatorial experimental design was applied in the development of catalysts by simultaneously varying the seven number of design parameters. The detailed interpretation and the multi-response optimization of the catalyst in terms of deactivation factor, initial activity (%) and catalyst productivity for superior catalytic performance was accomplished by the multi-response signal-to-noise (S/N) ratio analysis combined with the weighting factor. The catalysts were thoroughly characterized by using the BET-BJH, WPXRD, H2-TPR, CHN analysis, DTA-TGA, ICP-MS SEM, TEM, and XPS analysis. The results show a significant improvement in the quality of reforming catalysts. The type of support (titania-alumina mixed oxide) is the major driving force for the sustainable activity of the dry reforming catalyst. Pt amongst the noble metals and Mg from the group of promoters (La, Ce, etc.) were found to be the most influential metals in designing a robust Ni-based catalyst system for the DRM reaction. The optimized catalyst demonstrates excellent stability in time on stream study of 100 h. The different characterization techniques confirm that the optimized catalysts were free from coke deposition and any severe metal sintering. The apparent activation energies of few catalysts were also presented.
Citation: Journal of CO2 Utilization (2020), 39(): -
Issue Date: 2020
Appears in Collections:Journal Publications [CH]
Journal Publications [MA]

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