高岭土负载稀土-碱土复配钝化剂的研究  

Study on Effect of Composite Vanadium Passivator with Kaoline Supportted-RE-AE Oxide

作　　者：李嘉庆[1] 张在龙[1] 马淑杰[1] 蔺五正[1] 

机构地区：[1]石油大学化学化工学院,山东东营257061

出　　处：《青岛化工学院学报（自然科学版）》2002年第4期7-9,共3页Journal of Qingdao Institute of Chemical Technology(Natural Science Edition)

摘　　要：采用 MAT装置 ,以正庚烷为原料 ,在反应温度 550℃和液空速 1 0 h- 1条件下 ,模拟工业 FCC条件研究稀土氧化物加量、碱土氧化物加量的稀土 -碱土复配钝化剂的钝钒效果。实验结果表明 :在以高岭土为载体时 ,所负载的稀土氧化物、碱土氧化物的钝化剂能够起到钝钒的效果 ,且负载的稀土氧化物。Taking n -Heptane as stuff,effect of composite vanadium passivator with kaoline supportted-RE-AE oxide have been studied using MAT equipment at 550℃ reaction temperature and liquid space speed 10h -1 in simulating industry FCC conditions, it has been found that composite vanadium passivator with kaoline supportted-RE-AE oxide is capable of making vanadium passivation and rare-earth oxide and alk-earth oxide supported respectively have optimum contents.

关 键 词：高岭土 负载 稀土氧化物 碱土氧化物 复配钝化剂 钝钒作用 炼油助剂 

分 类 号：TE624.99[石油与天然气工程—油气加工工程]