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.

引用

页数：5

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