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Ni2P/Beta@SBA-16 core-shell catalyst with tunable shell thickness for the hydrodenitrogenation of quinoline by Hanzhang Gong; Yuan Zhuang; Xiao Zhang; Jian Liu; Shuyuan Li is a Energy article available to read on EtoBox.

What is Ni2P/Beta@SBA-16 core-shell catalyst with tunable shell thickness for the hydrodenitrogenation of quinoline about?

A series of core-shell structural hydrodenitrogenation (HDN) catalyst supports, using H-Beta zeolite nanoparticles as the core and tunable mesoporous materials SBA-16 thin film thickness as shell, were designed and controllably synthesized. The corresponding Ni 2 P catalyst were prepared, and their catalytic performances were tested for quinoline HDN. It was found that the high external surface area provided by the mesoporous shell layer of the core-shell catalyst favored the formation of Ni 2 P nanoparticles with more uniform particle size. The Py-IR result indicates that the SBA-16 shell thickness plays an important role in influencing the ratio of the amount of Bronsted and Lewis acid sites on the catalyst. The H 2 -TPR results indicates that the introduction of core-shell structure can adjust the metal-support interactions (MSI) of materials. The core-shell support with suitable shell thickness (70 nm) exhibits a wide pore structure, large surface area and sufficient amounts of Lewis and Bronsted acid sites. These properties contribute to the formation of tiny and size homogeneous (4.6 nm) Ni 2 P nanoparticles. Smaller Ni 2 P particles present more active sites, which increases

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Author

Hanzhang Gong; Yuan Zhuang; Xiao Zhang; Jian Liu; Shuyuan Li

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Energy (Physical Sciences)