Sustainable nickel catalyst for the conversion of lignocellulosic biomass to H2-rich gas |
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| Authors: | Robert Ryczkowski Joanna Goscianska Rafał Panek Wojciech Franus Kamila Przybysz Jacek Grams |
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| Affiliation: | 1. Institute of General and Ecological Chemistry, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924, Lodz, Poland;2. Faculty of Chemistry, Adam Mickiewicz University in Poznan, Uniwersytetu Poznanskiego 8, 61-614, Poznan, Poland;3. Department of Geotechnical Engineering, Lublin University of Technology, Nadbystrzycka 40, 20-618, Lublin, Poland;4. Natural Fibers Advanced Technologies, Blekitna 42A, 93-322, Lodz, Poland |
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| Abstract: | The objective of this paper was to design sustainable nickel catalysts supported on selected fly ash based zeolites to thermal processing of lignocellulosic feedstock towards hydrogen-rich gas. Moreover, in order to increase its catalytic performance in the studied process the catalyst supported on the most promising fly ash based zeolite was modified by selected rare-earth and transition metals (La, Pr, Ce, Y, Gd, Zr). The performed measurements exhibited that incorporation of nickel into the structure of zeolite A modified by lanthanum resulted in the most effective production of H2. The characterization of its physicochemical properties (XRD, TPR, SEM-EDS, TPD-NH3, BET and TGA-DTA) suggested that large pore size, moderate acidity, increased reducibility of an active phase and higher resistance to coke formation are the main factors responsible for increased activity of this catalyst. |
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| Keywords: | Nickel catalyst Hydrogen Biomass conversion Fly ash based materials Zeolites Pyrolysis |
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