The stability of Mo₂C/carbon catalysts was assessed for the hydrodeoxygenation (HDO) of dibenzofuran (DBF) at realistic operating conditions. Catalyst stability was determined by the degree of oxidation of the Mo₂C, which in turn was determined by the Mo₂C properties and the reaction conditions. Decreased Mo loading resulted in smaller Mo₂C particles and faster oxidation. Increased concentration of DBF and reduced H₂ pressure (4.1–2.1 MPa) increased Mo₂C oxidation. The dynamic oxidation of Mo₂C during HDO depended on the oxidation history of the catalyst. Oxidation of the Mo₂C reduced hydrogenation activity and increased selectivity to direct deoxygenation (DDO) products. DFT analysis showed that small amounts of O did not change the preferred surface adsorption geometry of DBF on Mo₂C (101). H₂ dissociative adsorption was not weakened either. At 350 ℃ and low concentration of DBF (0.2 wt.%), the 2%Mo₂C/APC catalyst was stable for >10 h.

在实际操作条件下，针对二苯并呋喃（DBF）的加氢脱氧（HDO），评估了Mo ₂ C /碳催化剂的稳定性。催化剂的稳定性取决于Mo ₂ C的氧化程度，而氧化程度又取决于Mo ₂ C的性质和反应条件。Mo含量降低导致Mo ₂ C颗粒更小且氧化更快。DBF浓度增加和H ₂压力降低（4.1-2.1 MPa）会增加Mo ₂ C氧化。HDO过程中Mo ₂ C的动态氧化取决于催化剂的氧化历史。Mo _2的氧化C降低了氢化活性并增加了对直接脱氧（DDO）产物的选择性。DFT分析表明，少量的O不会改变DBF在Mo ₂ C上的优选表面吸附几何形状（101）。H ₂离解吸附也不减弱。在350℃和DBF（0.2 wt。％）的低浓度下，2％Mo ₂ C / APC催化剂稳定超过10小时。