Ni-IL/SiO的制备及其对由戊醛一锅法连续合成2-丙基庚醇的催化性能。

Preparation of Ni-IL/SiO and its catalytic performance for one-pot sequential synthesis of 2-propylheptanol from -valeraldehyde.

作者信息

An Hualiang, Wang Di, Miao Shuang, Yang Qiusheng, Zhao Xinqiang, Wang Yanji

机构信息

Hebei Provincial Key Lab of Green Chemical Technology and Efficient Energy Saving, National-Local Joint Engineering Lab for Energy Conservation in Chemical Process Integration and Resources Utilization, School of Chemical Engineering and Technology, Hebei University of Technology Tianjin 300130 China

出版信息

RSC Adv. 2020 Jul 28;10(47):28100-28105. doi: 10.1039/d0ra03800h. eCollection 2020 Jul 27.

DOI:10.1039/d0ra03800h

PMID:35519136

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9055670/

Abstract

A novel silica-immobilized nickel and acid ionic liquid (Ni-IL/SiO) catalyst was prepared by combining a bonding procedure with an impregnation operation and was characterized by means of X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectra, X-ray photoelectron spectroscopy (XPS) and thermogravimetric analysis (TGA) techniques. Its catalytic performance was evaluated for the one-pot synthesis of 2-propylheptanol (2-PH) a sequential -valeraldehyde self-condensation and hydrogenation reaction. As a result, Ni-IL/SiO showed an excellent catalytic activity for the one-pot synthesis of 2-PH, affording a 2-PH selectivity of 75.4% at a -valeraldehyde conversion of 100% and the sum of 2-PH and pentanol selectivity reached 98.6% under the suitable reaction conditions.

摘要

通过结合键合程序和浸渍操作制备了一种新型的二氧化硅负载镍和酸性离子液体（Ni-IL/SiO）催化剂，并采用X射线衍射（XRD）、傅里叶变换红外（FT-IR）光谱、X射线光电子能谱（XPS）和热重分析（TGA）技术对其进行了表征。对其在一锅法合成2-丙基庚醇（2-PH）（一种连续的戊醛自缩合和氢化反应）中的催化性能进行了评价。结果表明，Ni-IL/SiO在一锅法合成2-PH中表现出优异的催化活性，在戊醛转化率为100%时，2-PH的选择性为75.4%，在合适的反应条件下，2-PH和戊醇的选择性之和达到98.6%。