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应用振动式内循环反应器进行了在V-H-3型催化剂上甲苯气相催化氧化合成苯甲醛的动力学研究。在350—400℃,甲苯分压为0.08—0.26大气压,氧分压为0.1—0.26大气压的范围内,该反应可用一个平行一连串反应历程来表示。各步反应均可用对于甲苯或苯甲醛为一级,对氧为半级反应来关联。建立了该反应系统的动力学模型,并将该模型计算值与100毫升催化剂单管试验结果进行了比较。
The kinetics of benzaldehyde synthesis by gas-phase catalytic oxidation of toluene on V-H-3 catalyst was investigated using a vibrating internal recycle reactor. The partial pressure of toluene is 0.08-0.26 at 350-400 ° C, and the partial pressure of oxygen is in the range of 0.1-0.26 atm. The reaction can be represented by a series of parallel reaction processes. Each step reaction can be used for toluene or benzaldehyde for the first grade, the oxygen is a half-level reaction to be linked. The kinetic model of the reaction system was established, and the calculated value of the model was compared with the results of 100 ml catalyst single tube test.