期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 534, 期 -, 页码 239-247出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2018.08.115
关键词
Magnetic mesoporous nanospheres; Supported catalyst; POM-based ionic liquid; Aerobic oxidation; Desulfurization
资金
- National Natural Science Foundation of China [21722604, 21776116, 21506080]
- Natural Science Foundation of Jiangsu Province [BK20150485, BK20170528]
- China Postdoctoral Science Foundation [2017M611727]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1701104B]
- Key Laboratory of Tropical Medicinal Plant Chemistry of Ministry of Education, Hainan Normal University [20150376]
Phosphomolybdate-based ionic liquid [(C8H17)(3)NCH3]3PMo(12)O(40) was prepared and supported on a magnetic mesoporous silica (gamma-Fe2O3@SiO2@mSiO(2)) to obtain a magnetic mesoporous catalyst. The morphology and components of the catalyst were characterized by FT-IR, XRD, XPS, SEM, TEM, nitrogen adsorption-desorption isotherms, and VSM. With air as oxidant, the catalyst showed perfect desulfurization performance in oxidation of dibenzothiophene (DBT). The removal of DBT from model oil could reach 100% within 5 h at 120 degrees C. After reaction, the catalyst could be separated by a magnet and recycled at least four times without obvious decrease in the catalytic performance. (C) 2018 Elsevier Inc. All rights reserved.
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