Hydrodeoxygenation of lignin-derived phenols to produce hydrocarbons over Ni/Al-SBA-15 prepared with different impregnants. (1st May 2019)

• Record Type: Journal Article
• Authors: Li, Xiangping; Zhang, Jianguang; Liu, Bin; Liu, Juping; Wang, Chuanbin; Chen, Guanyi
• Is Part Of: Fuel. Volume 243(2019)
• Page Start: 314
• Page End: 321
• Publication Date: 2019-05-01
• Subjects: Ni/Al-SBA-15 -- Impregnant -- Aqueous phase hydrodeoxygenation -- Eugenol; Fuel -- Periodicals; Coal -- Periodicals; Coal; Fuel; Periodicals; 662.6
• DOI: 10.1016/j.fuel.2019.01.126
• Languages: English
• ISSNs: 0016-2361

Abstract

Highlights: Eugenol hydrodeoxygenation to produce hydrocarbons over Ni/Al-SBA-15 was investigated. The effect of incipient wetness impreganant on Ni/Al-SBA-15 was investigated. The strength of Lewis acid in Ni/Al-SBA-15 prepared using ethanol as impregnant was enhanced. Abstract: Non-noble metal(s)-based mesoporous catalysts are one of the promising catalysts for aqueous phase hydrodeoxygenation of lignin-derived phenols to produce hydrocarbons. In this paper, Ni/Al-SBA-15 was prepared through incipient wetness impregnation method and the performance of eugenol hydrodeoxygenation over Ni/Al-SBA-15 was studied. The effect of incipient wetness impregnant on the performance of eugenol hydrodeoxygenation over Ni/Al-SBA-15 was investigated. The materials were characterized by XRD, N2 -sorption, TEM, FTIR, Py-FTIR, XRF and ICP-MS. In comparison with the traditional incipient wetness impregnation using water as solvent, the activity of Ni/Al-SBA-15 was significantly improved by using ethanol as solvent during the process of incipient wetness impregnation. For Ni/Al-SBA-15, the quantity of total acid was decreased after loading nickel species which was mainly due to the decrease of Lewis acid sites. The strength of Lewis acid in Ni/Al-SBA-15 prepare with ethanol as impregant was enhanced. The yields of propyl cyclohexane and propylbenzene from aqueous phase hydrodeoxygeation of eugenol over Ni/Al-SBA-15-E were increased. The super catalytic behavior of Ni/Al-SBA-15-E was attributed to the synergistic effect between the stronger Lewis acid sites and the intact framework structure of Ni/Al-SBA-15-E.