FCC催化剂后处理工艺制备催化剂的表征  

CHARACTERIZATION OF FCC CATALYST PREPARED BY POST-PROCESSING TECHNOLOGY

作　　者：王世环[1] 张杰潇 许明德[2] 田辉平[2] 

机构地区：[1]中国石化催化剂齐鲁分公司,山东淄博255000 [2]中国石化石油化工科学研究院

出　　处：《石油炼制与化工》2014年第8期11-16,共6页Petroleum Processing and Petrochemicals

摘　　要：对以NaY分子筛为原料,采用后处理工艺制备的催化剂,采用XRD,BET,NH3-TPD,IR,SEM等方法进行物化性质表征。结果表明,与常规方法制备的对比剂相比,后处理方法制备的催化剂表面有许多凹陷的大孔结构,一定量的稀土离子从超笼迁移到方钠石笼,且方钠石笼中容纳了更多的稀土离子,催化剂比表面积和孔体积大,酸性强,微反活性和催化重油裂化反应转化率高。A FCC catalyst prepared by post-processing technology using NaY molecular sieve as a raw material was characterized by XRD, BET, NH3 TPD, IR and SEM techniques. The results show that compared with a reference catalyst treated by conventional method, the catalyst post-processed has many sunken macroporous structure on the surface, a certain amount of rare earth ions from supercage migrates to sodalite cage, and more rare earth ions exists in the sodalite cage than in the reference cata- lyst. The post-treated catalyst has a larger surface area and pore volume, stronger acidity, higher heavy oil conversion rate, and micro reaction activity.

关 键 词：催化裂化 催化剂 离子交换 后处理工艺 表征 

分 类 号：TE624.9[石油与天然气工程—油气加工工程]