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Effect of preparation temperature on the structures and hydrodeoxygenation performance of Ni2P/C catalysts prepared by a decomposition of hypophosphites

Abstract

A novel method for preparing Ni2P/C-x (x=preparation temperature, oC) catalysts in flowing N2 atmosphere by a decomposition of hypophosphites was proposed, and the effect of preparation temperature on hydrodeoxygenation performance of catalysts was further investigated. X-ray diffraction (XRD), N2-adsorption specific surface area measurements, CO uptake, and X-ray photoelectron spectroscopy (XPS) were applied. The performance of Ni2P/C-x catalysts prepared at different preparation temperatures were testified with benzofuran hydrodeoxygenation (BF HDO) reaction. The diffraction peaks related to Ni2P can be seen when x ≧ 400 oC. With increasing x, the Ni2P crystallites size and CO uptake amount of Ni2P/C-x catalysts increased, and enrichment of phosphorous decreased. The BF conversion and yield of total O-free products over Ni2P/C-x catalysts increased with increasing preparation temperature. The Ni2P/C-550 catalyst showed a BF HDO conversion of 91.6% and yield of total O-free products of 70.2% at the reaction conditions of 300 °C, 3.0 MPa, a H2/oil ratio of 500 (V/V), and a weight hourly space velocity (WHSV) of 4.0 h−1.

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Publication details

The article was received on 11 Sep 2018, accepted on 22 Oct 2018 and first published on 26 Oct 2018


Article type: Paper
DOI: 10.1039/C8NJ04628J
Citation: New J. Chem., 2018, Accepted Manuscript
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    Effect of preparation temperature on the structures and hydrodeoxygenation performance of Ni2P/C catalysts prepared by a decomposition of hypophosphites

    X. Dai, H. Song, Z. Yan, F. Li, Y. Chen, X. Wang, D. Yuan, J. Zhang and Y. Wang, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ04628J

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