Boron and Nitride Dual vacancies on Metal‐Free Oxygen Doping Boron Nitride as Initiating Sites for Deep Aerobic Oxidative Desulfurization

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  • Li Dai
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Yanchen Wei
    School of Materials Science and Engineering Jiangsu University Zhenjiang 212013 P. R. China
  • Xinyuan Xu
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Peiwen Wu
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Ming Zhang
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Chao Wang
    School of the Environment and Safety Engineering Institute of Environmental Health and Ecological Security Jiangsu University Zhenjiang 212013 P. R. China
  • Hongping Li
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Qi Zhang
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Huaming Li
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China
  • Wenshuai Zhu
    School of Chemistry and Chemical Engineering Institute for Energy Research Jiangsu University Zhenjiang 212013 P. R. China

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<jats:title>Abstract</jats:title><jats:p>Boron nitride (BN) is a two‐dimensional ceramic material that has been widely applied in various catalysis reactions. However, endowing the BN material with adequate reactive centers remains to be a considerable challenge. Herein, we propose a tunable boron and nitride dual vacancies strategy to generate highly active oxygen‐doping BN (BNO) material via heat treatment <jats:italic>in vacuum</jats:italic>. Experimental results indicate that the vacuum treatment fabricates boron and nitride dual vacancies on the BNO. The as‐prepared vacuum treated BNO (V‐BNO) was applied as the initiator to accelerate the aerobic oxidative desulfurization (ODS) of fuel. The boosted aerobic ODS system achieves 100 % sulfur removal in 6 h, and it can be recycled 6 times without any significant performance loss. Meanwhile, the density functional theory (DFT) reveals the reaction pathway on the V‐BNO, ensuring the contribution of boron and nitride dual vacancies to the initiation of the reaction. This work highlights the vital role of dual vacancies as initiating sites for the enhanced aerobic ODS.</jats:p>

Journal

  • ChemCatChem

    ChemCatChem 12 (6), 1734-1742, 2020-01-31

    Wiley

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