Chemical Engineering Journal, Volume 220, 15 March 2013, Pages 328–336
Deep oxidative desulfurization of
dibenzothiophene with POM-based hybrid materials in ionic liquids
Ming Zhang a, Wenshuai Zhu a, Suhang Xun a,
Huaming Li a, Qingqing Gu a, Zhen Zhao b, Qian Wang c
a School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang
212013, PR China
b State Key Laboratory of Heavy Oil Processing, China University of Petroleum,
Beijing 102249, PR China
c School of Energy and Power Engineering, Jiangsu University, Zhenjiang 212013,
PR China
Abstract
Reports synthesis of a
series of POM-based hybrid materials: phosphotungstic acid supported ceria
(HPW-CeO2) which were characterized by X-ray diffraction (XRD),
Thermogravimetric-differential scanning (TG-DSC) analysis, Scanning electron
microscopy (SEM), FT-Raman, FT-IR, UV–vis, and BET analysis.
Combined with [C8mim]BF4,
the catalyst was very efficient on the removal of DBT by using H2O2
as the oxidant under mild reaction conditions. The amount of catalyst, O/S
molar ratio, reaction time and temperatures were studied in detail. Favorable
operating conditions were obtained as well as the kinetic study of substrates.
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