دورية
Impact of Zr Incorporation into the Ni/AlSBA-15 Catalyst on Its Activity in Cellulose Conversion to Hydrogen-Rich Gas
العنوان: | Impact of Zr Incorporation into the Ni/AlSBA-15 Catalyst on Its Activity in Cellulose Conversion to Hydrogen-Rich Gas |
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المؤلفون: | Grams, Jacek, Goscianska, Joanna, Potrzebowska, Natalia, Ryczkowski, Robert, Michalkiewicz, Beata, Ruppert, Agnieszka M. |
المصدر: | Energy & Fuels; 20240101, Issue: Preprints |
مستخلص: | This work focused on the investigation of the effect of zirconium incorporation into the structure of the Ni/AlSBA-15 catalyst on its performance in high-temperature conversion of cellulose (the main component of lignocellulosic feedstock) to hydrogen-rich gas. The modified supports were prepared by direct incorporation of zirconium and impregnation methods. The obtained results exhibited that introduction of zirconium into the structure of Ni/AlSBA-15 allowed for a considerable increase in the amount of hydrogen produced in the studied process in comparison to unmodified Ni/AlSBA-15 material. The characterization of physicochemical properties of the investigated materials (X-ray diffraction, scanning electron microscopy–energy-dispersive X-ray spectroscopy, time-of-flight secondary ion mass spectrometry, temperature-programmed reduction, temperature-programmed desorption of ammonia, etc.) showed that the preparation of mesoporous Ni/ZrAlSBA-15 with the use of the direct synthesis method led to obtaining the catalyst with a higher surface area and pore volume and smaller crystallites of an active phase in comparison to the material containing nickel supported on ZrAlSBA-15 with zirconium introduced by impregnation. Despite that the mesoporous catalyst prepared by impregnation possessed higher acidity, its structure underwent partial collapse during the preparation procedure. |
قاعدة البيانات: | Supplemental Index |
تدمد: | 08870624 15205029 |
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DOI: | 10.1021/acs.energyfuels.7b02561 |