Effect of alumina on aromatization performance of FCC light gasoline

被引：0
|
作者：
Song S. [1 ,2 ]
Li T. [2 ]
Ju Y. [2 ]
Lyu Z. [2 ]
Wu P. [2 ]
Sun C. [1 ]
Duan A. [1 ]
机构：
[1] State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing
[2] Petrochemical Research Institute, PetroChina Company Limited, Beijing
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 05期
关键词：
Acidity; Alumina; Aromatization; Light gasoline; Texture construction; Zeolite;
D O I：
10.16085/j.issn.1000-6613.2021-1216
中图分类号：
学科分类号：
摘要：
In order to meet the olefins requirement of the national Ⅵ standard, a series of FCC light gasoline aromatization catalysts were prepared by changing the alumina species. Besides, the acidity and texture properties of the catalysts were investigated. The physico-chemical properties of the catalysts were characterized by XRD, N2 adsorption desorption, SEM, IR and Py-IR. The aromatization properties of the catalysts were evaluated using FCC light gasoline as feedstocks. The results showed that the introduction of different types of alumina had no effect on the structure of ZSM-5 molecular sieve. However, the acidity of ZSM-5 zeolite could be significantly changed and the Lewis acid sites increased significantly. Besides, alumina materials with uniform and relatively small surface and pore volume were more favorable to the aromatization reaction of light gasoline. The olefins volume fraction of light gasoline decreased 18.18% significantly, volume fraction of isoparaffins increased 10.51% and aromatics increased 2.75%, and octane loss was small (-5.1) and controllable. © 2022, Editorial Board of CIESC Journal. All right reserved.
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页码：2460 / 2467
页数：7
相关论文
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