Three-dimensional ordered mesoporous Sn-KIT-6 catalyst for oxidative desulfurization

被引：6
|
作者：
Zhu, Mingyuan [1 ]
Liu, Aili [2 ]
Tong, Yibin [2 ]
Li, Juan [1 ,2 ]
Kang, Lihua [1 ]
机构：
[1] Yantai Univ, Coll Chem & Chem Engn, Yantai 264004, Shandong, Peoples R China
[2] Shihezi Univ, Sch Chem & Chem Engn, Shihezi 832000, Xinjiang, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2022年 / 170卷
关键词：
Sn-KIT-6; SnO2; Oxidative desulfurization; Lewis acid sites; PHOSPHOTUNGSTIC ACID; DIBENZOTHIOPHENE; SILICAS;
D O I：
10.1016/j.catcom.2022.106487
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Three-dimensional ordered Sn-KIT-6 mesoporous silica materials are prepared by one-step hydrothermal synthesis method. Highly ordered pore structures of KIT-6 were maintained after the addition of SnO2, and SnO2 was highly dispersed in the KIT-6 framework. The desulfurization rate of Sn-KIT-6 achieved 99.7% under the optimal reaction conditions. SnO2 was proposed as the catalytic site for the oxidative desulfurization. The excellent catalytic performance was attributed to the high dispersion of SnO2 in KIT-6. The desulfurization rate of Sn-KIT-6 reduced to 81% after 6 recycles, indicating SnO2 may run off in the oxidative desulfurization process.
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页数：5
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