Efficient Co/SBA-15 catalyst for aerobic oxidative desulfurization at mild reaction temperature

被引：7
|
作者：
Deng, Chunmei [2 ]
Li, Juan [1 ,2 ]
Kang, Lihua [1 ,2 ]
Zhu, Mingyuan [1 ]
机构：
[1] Yantai Univ, Coll Chem & Chem Engn, Yantai 264010, Shandong, Peoples R China
[2] Shihezi Univ, Sch Chem & Chem Engn, Shihezi 832003, Xinjiang, Peoples R China
来源：
MOLECULAR CATALYSIS | 2022年 / 530卷
关键词：
Aerobic oxidation desulfurization; Co; SBA-15; Lewis acid site; Superoxide radical; DIBENZOTHIOPHENE; NANOPARTICLES; PERFORMANCE;
D O I：
10.1016/j.mcat.2022.112567
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：
Co/SBA-15 was synthesized and applied as catalyst for aerobic oxidative desulfurization (AODS). Co species was successfully introduced into the framework without destroy the mesoporous structure of SBA-15. The reaction conditions of Co/SBA-15 for AODS were optimized, and the desulfurization rate could reach 99.5% at the mild reaction temperature of 30 degrees C. It was proposed that dibenzothiophene was adsorbed on the Lewis acid sites of Co/SBA-15, and then oxidized to the polar sulfone by superoxide radicals generated from the oxygen molecule.
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页数：8
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