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Issue 7, 2017
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Deep hydrodenitrification of pyridine by solid catalyst coupling with ionic liquids under mild conditions

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Abstract

A new route for deep hydrodenitrification (HDN) by solid catalyst coupling with ionic liquids (ILs) under mild conditions was proposed. Ni2P/SBA-15 activated at different temperatures were characterized with XRD, XPS, TG/DTA, and TEM and studied for further improvement. The deep HDN catalyzed by Ni2P/SBA-15 coupling with different ILs was evaluated. [Bmim]BF4 was selected as the best one compared with [Emim]BF4, [Bmim]Cl and [Bmim]Br. The effect of reaction temperature, hydrogen pressure and the amount of IL on denitrification efficiency was investigated with parallel experiments using Ni2P/SBA-15 coupling with [Bmim]BF4. The N-removal efficiency increased from 27.09% to 73.48% after optimization. The IL system could be recycled for three times without a significant decrease in HDN activity. The coupled catalyzed HDN process and mechanism were also proposed and evaluated preliminarily through molecular simulation.

Graphical abstract: Deep hydrodenitrification of pyridine by solid catalyst coupling with ionic liquids under mild conditions

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Publication details

The article was received on 13 Dec 2016, accepted on 21 Feb 2017 and first published on 22 Feb 2017


Article type: Paper
DOI: 10.1039/C6GC03432B
Citation: Green Chem., 2017,19, 1692-1700
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    Deep hydrodenitrification of pyridine by solid catalyst coupling with ionic liquids under mild conditions

    H. Yao, G. Wang, C. Zuo, C. Li, E. Wang and S. Zhang, Green Chem., 2017, 19, 1692
    DOI: 10.1039/C6GC03432B

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