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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
李艳歌(1992-),女,硕士生,研究方向为清洁燃料生产。Tel: 18242369657,E-mail:1343789624@qq.com;
*丁洪生(1963-),男,硕士,教授,研究方向为精细化学品生产。Tel:13942372218,E-mail:412128550@qq.com.
纸质出版日期:2018-12-20,
收稿日期:2018-06-30,
修回日期:2018-09-12,
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李艳歌, 刘羽顺, 沈健, 丁洪生. La-HY-SBA-15催化烷基化催化剂制备[J]. 高分子通报, 2018,31(12):46-54.
Yan-ge LI, Yu-shun LIU, Jian SHEN, Hong-sheng DING. Preparation of La-HY-SBA-15 Zeolite for Alkylation[J]. Polymer Bulletin, 2018,31(12):46-54.
李艳歌, 刘羽顺, 沈健, 丁洪生. La-HY-SBA-15催化烷基化催化剂制备[J]. 高分子通报, 2018,31(12):46-54. DOI: 10.14028/j.cnki.1003-3726.2018.12.007.
Yan-ge LI, Yu-shun LIU, Jian SHEN, Hong-sheng DING. Preparation of La-HY-SBA-15 Zeolite for Alkylation[J]. Polymer Bulletin, 2018,31(12):46-54. DOI: 10.14028/j.cnki.1003-3726.2018.12.007.
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
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
N
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 N
adsorption-desorption
mainly had medium strong acid by characterization of NH
-TPD
had more Lewis acid than Bronsted acid by characterization of Py-FTIR.
La-HY-SBA-15邻甲酚烷基化微-介孔
La-HY-SBA-15o-CresolAlkylationMicro-mesoporous
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