Journal
FUEL
Volume 274, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2020.117859
Keywords
Nickel; Hierarchical zeolite; Guaiacol; Hydrodeoxygenation; Catalyst
Categories
Funding
- National Natural Science Foundation of China [21706177]
- State Key Laboratory of Catalytic Materials and Reaction Engineering (RIPP, SINOPEC) [18-ZC0607-0007]
- National Key Research and Development Program of China [2018YFB0604600-01]
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Hierarchical ZSM-5 with mesopores were derived from seed directing crystalline process. The efficient encapsulation of nickel metal was achieved by a simple incipient wetness impregnation method, and a stable Ni/hierarchical ZSM-5 hydro-deoxygenation (HDO) catalyst was fabricated. The synthesized catalysts were characterized by XRD, N-2-adsorption, FTIR, H-2-TPR, NH3-TPD and TEM and were further tested for the hydrodeoxygenation of bio-derived guaiacol. Nickel particle size of about 6 nm and strong metal-support interaction were found for Ni/H-Z5 catalysts. It was discovered that the hydrodeoxygenation activity of the catalyst can be greatly improved by mesopores and strong acid sites. The reaction pathways were carefully studied to elucidate the effect of mesopores and acid sites. The Ni/ZSM-5 catalyst can be recycled seven times without loss of its initial selectivity.
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