Abstract: V2O5-MoO3-P2O5/γ-Al2O3 loaded catalysts were prepared by impregnation for the oxidation of furfural to maleic anhydride. The physicochemical properties and textural character of the catalysts were studied by using ICP，N2 adsorption and XRD. The crystal lattice oxygen in the catalysts was investigated through a method of temperature-programmed reduction (TPR). The catalytic behavior of the catalysts for the oxidation of furfural was evaluated in a continuous fixed bed reactor，in which a reacting gas stream of 2% furfural in air was passed through the catalyst at 305 ℃ with 3000 h-1 of gas velocity. When the quality ratio of MoO3/V2O5 was 0.4，the conversion of furfural was 82% and the yield of maleic anhydride reached to 50%，indicating that the introduction of MoO3 could adjust the interaction between the supporter and the active center. Hence，the rapid exchange of crystal lattice oxygen in the catalysts could be accelerated，and the activity and selectivity of catalysts were remarkably improved.

摘要： 利用浸渍法制备负载型V2O5-MoO3-P2O5 /γ-Al2O3催化剂。采用ICP、N2吸附-脱附等温线及XRD表征催化剂的物化性质、结构特征，通过TPR考察催化剂晶格氧的供氧能力。在固定床连续微反应装置上，以来源于可再生生物资源的糠醛为原料，进行催化剂的性能评价。实验结果表明：当催化剂中MoO3和V2O5质量比为0.4、反应混合气体（糠醛体积分数2%的空气混合气体）空速为3000 h-1、反应温度为305 ℃的工艺条件下，测得糠醛转化率为82%，顺酐的收率为50%，说明适当地引入MoO3能够调节催化剂活性中心与载体间的强相互作用，达到促进催化剂晶格氧快速交换的目的，从而进一步提高催化剂的活性和选择性。