La-HY-SBA-15催化烷基化催化剂制备  

Preparation of La-HY-SBA-15 Zeolite for Alkylation

作　　者：李艳歌 刘羽顺 沈健[1] 丁洪生[1] LI Yan-ge;LIU Yu-shun;SHEN Jian;DING Hong-sheng(College of Petrochemical Engineering,Liaoning Shihua University,Fushun 113001,China;Sinopec Zhenhai Refining &Chemical Company,Ningbo 315200,China)

机构地区：[1]辽宁石油化工大学石油化工学院,抚顺113001 [2]镇海炼化有限公司,宁波315200

出　　处：《高分子通报》2018年第12期46-54,共9页Polymer Bulletin

摘　　要：采用原位合成法制备了HY-SBA-15分子筛,并进行La改性。用XRD、N_2吸附-脱附等表征分析,在小型固定床上考察了La负载量、焙烧温度、时间对烷基化性能的影响,结果发现,最优制备条件是La负载量为10%、焙烧温度550℃、焙烧时间4.5h。XRD、N_2吸附-脱附表征分析La-HY-SBA-15分子筛有微-介孔结构,NH_3-TPD表征分析La-HY-SBA-15分子筛主要为中强酸,Py-FTIR表征分析La-HY-SBA-15分子筛L酸比B酸多。HY-SBA-15 zeolite was prepared by in-situ synthesis method and was modified in La by impregnation method.La-HY-SBA-15 was characterized by XRD,Nz adsorption-desorption and so on.The alkylation influence of load amount,calcination temperature,calcination time on La-HY-SBA-15 zeolite was investigated in a fixed-bed reactor.When load amount of La was 10%,calcination temperature was 550℃,calcination time was 4.5h,the reaction of alkylation had the best performance.La-HY-SBA-15 zeolite had micro-mesoporous structures by characterization of XRD and N2 adsorption-desorption,mainly had medium strong acid by characterization of NH3-TPD,had more Lewis acid than Bronsted acid by characterization of Py-FTIR.

关 键 词：La-HY-SBA-15 邻甲酚 烷基化 微-介孔 

分 类 号：TQ426[化学工程]