镍钒污染对催化裂化催化剂的影响  

Effect of vanadium and nickel contamination on the property of FCC catalyst

作　　者：杜晓辉[1,2] 唐志诚 张海涛 高雄厚[1,2] 朱学梅[1,2] 

机构地区：[1]兰州交通大学,甘肃兰州730070 [2]中国石油兰州化工研究中心,甘肃兰州730060

出　　处：《化学工程与装备》2011年第5期1-5,共5页Chemical Engineering & Equipment

摘　　要：在催化裂化过程中,原油中含有的金属元素,特别是镍钒对FCC催化剂产生了严重的影响。分析了FCC催化剂镍钒中毒机理及其之间的相互影响,论述了镍钒污染对催化剂活性和选择性的影响,并对抑制镍钒对FCC催化剂中毒的措施进行了阐述。In the process of fluid catalytic cracking,heavy metals in crude oil especially nickel and vanadium have a serious impact on the properties of FCC catalysts.This paper analyzes poisoning mechanism of nickel and vanadium and their interactions,discusses the influence on catalysts activity and selectivity,at the same time,summarizes several inhibition measures of catalysts deactivation by nickel and vanadium.

关 键 词：流化催化裂化 镍 钒 抗重金属 

分 类 号：TE624.41[石油与天然气工程—油气加工工程]