Journal
CATALYSIS COMMUNICATIONS
Volume 140, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.catcom.2020.106001
Keywords
Ni3Ga intermetallic compound; Sol-gel method; Ni-phyllosilicate; Hydrodeoxygenation; Direct deoxygenation; Phenolics
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Funding
- National Natural Science Foundation of China [21576193, 21176177]
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Ni/SiO2 and SiO2-supported Ni3Ga and Ni5Ga3 intermetallic compounds were prepared by the sol-gel method and evaluated for the hydrodeoxygenation of various phenolic compounds at 0.1 MPa. In the hydrodeoxygenation of anisole, Ni3Ga/SiO2 was more active for direct deoxygenation to benzene than the corresponding catalyst prepared by the impregnation method as well as Ni/SiO2. The anisole conversion and selectivity to benzene reached 95.1% and 92.5% on Ni3Ga/SiO2 at 300 degrees C and WHSV of 2 h (-1), respectively. In the HDOs of cresols and guaiacol, Ni3Ga/SiO2 still more dominatingly facilitated the direct deoxygenation, while Ni/SiO2 significantly promoted the C-CH3 bond cleavage.
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