Catalytic performance of Ni/SiO2 for 2-methylfuran hydrogenation

被引：0

作者：

Fang Z. ^{[1
]}

Zhang W. ^{[1
]}

Wang J. ^{[1
]}

Chong S. ^{[1
]}

Zhang Y. ^{[1
]}

Wang K. ^{[1
]}

机构：

[1] College of Chemical Engineering, Shenyang University of Chemical Technology, Liaoning, Shenyang

来源：

Jingxi Huagong/Fine Chemicals | 2024年 / 41卷 / 05期

关键词：

2-methylfuran; 2-methyltetrahydrofuran; acidity and alkalinity; catalysis technology; co-precipitation method; Ni/SiO[!sub]2[!/sub;

D O I：

10.13550/j.jxhg.20230372

中图分类号：

学科分类号：

摘要：

Ni/SiO2 catalyst was prepared from coprecipitation of nickel nitrate and acid/alkaline silica sol, haracterized by XRD, N2 isothermal adsorption and desorption, hydrogen temperature-programmed reduction (H2-TPR), temperature-programmed desorption of ammonia (NH3-TPD), XPS, FTIR and TEM, and evaluated for its catalytic performance for 2-methylfuran (2-MF) gas phase hydrogenation to 2-methyltetrahydrofuran (2-MTHF) in a fixed bed reactor. The effect of acidity and alkalinity of silica sol on the structure and performance of the catalyst was also investigated. The results showed that the Ni/SiO2 catalyst prepared with acidic silica sol possessed more amount of weak acid sites and medium strong acid sites, larger specific surface area and average pore size, which was beneficial for the improvement of catalyst activity and 2-MTHF selectivity. Moreover, Ni/SiO2 catalyst exhibited good stability. Under the conditions of reaction temperature 90 ℃, hydrogen pressure 2 MPa, mass hourly space velocity 4.4 g 2-MF/(gcat·h), molar ratio value of H2 to 2-MF of 4∶1 and reaction time 200 h, the conversion of 2-MF reached 99.8%, and the selectivity of 2-MTHF remained about 97.5%. © 2024 Fine Chemicals. All rights reserved.

引用

页码：1060 / 1066and1075

共 25 条

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