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Citation: SONG Hua, JIANG Nan, SONG Hua-Lin, LI Feng, DAI Min, WAN Xia, XU Xiao-Wei. Effect of Ni/P mol ratio on structure and performance of hydrodesulfurization of Ni2P/MCM-41 catalyst[J]. Journal of Fuel Chemistry and Technology, ;2015, 43(3): 338-343. shu

Effect of Ni/P mol ratio on structure and performance of hydrodesulfurization of Ni2P/MCM-41 catalyst

  • 1.

    1. Provincial Key Laboratory of Oil ＆ Gas Chemical Technology, Northeast Petroleum University, Daqing 163318, China;

  • Corresponding author: SONG Hua,  SONG Hua-Lin, 
  • Received Date: 21 October 2014

    Fund Project: 国家自然科学基金(21276048)。 (21276048)

  • This paper introduces a simple and mild route to prepare Ni2P catalysts. Ni2P/MCM-41 catalysts were successfully prepared using MCM-41 as the support. The catalysts were characterized by H2 temperature program reduction (H2-TPR), X-ray diffraction (XRD), N2-adsorption specific surface area measurements (BET), and X-ray photoelectron spectroscopy (XPS) analysis. The effects of initial Ni/P molar ratio on hydrodesulfurization (HDS) performance of catalysts and catalyst stability were studied with a lab-scale continuous flow type fixed-bed reactor systemusing a feed containing 1% dibenzothiophene (DBT) in decahydronaphthalene. The results indicated that a pure Ni2P phase was obtained when the initial Ni/P molar ratios were 1/2 and 1/3. The catalyst prepared with initial Ni/P mol ratios of 1/2 exhibited the highest activity. At a reaction temperature of 340 ℃, a pressure of 3.0 MPa, a H2/oil volume ratio of 500, and a weight hourly space velocity (WHSV) of 2.0 h-1, the HDS conversion was close to 100%.
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