加氢深度脱硫动力学模型研究

Study on kinetics model for depth of hydrogenation desulfurization

以中国石化齐鲁公司胜利炼油厂常三线油为Z原料,昌邑石化混合柴油为C原料,以工业精制剂QLH-03 B为催化剂,在20 m L固定床加氢试验装置上进行柴油加氢脱硫(HDS)动力学研究。通过考察反应温度对HDS的影响,建立了柴油HDS动力学模型;通过阿仑尼乌斯(Arrhenius)方程拟合,求出反应表观活化能。以260万t/a伊朗德黑兰炼油厂的实际运行数据对模型进行了验证。结果表明,所建立的模型可根据原料性质和反应条件预测产品硫含量或各段反应器进出口温度,可用于预测和指导工业生产操作。

With atmospheric oil 3 from Shengli refinery of Qilu Petrochemical Company, SINOPEC as Z raw material, mixed diesel from Changyi Petrochemical Co Ltd as C raw material, industrial refi- ning agent QLH -03 B as catalyst,the diesel hydrogenation desulfurization kinetics study was conducted in a 20 mL fixed bed reactor hydrogenation unit. The diesel HDS kinetics study model was established by investigating the effect of reaction temperature on HDS;the apparent activation energy was caculatedby Arrhenius formula fitting. The model was verified by real data of a 2 600 kt/a Tehran Refinery, Iran. The results showed that the established model could be used for predicting sulfur content of products and inlet and outlet temperature of reactors in each section according to the properties of raw materials and reaction conditions, which could forecast and guide industrial production operation.