期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 106, 期 3-4, 页码 343-349出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2011.05.038
关键词
Desulfurization; Dibenzothiophene; Polyoxometalates; Reverse-micelles; Oxidation
资金
- National Natural Science Foundation of China [51078066, 20871026]
- foundation of Jilin Provincial Environmental Protection Bureau [200929]
The reverse micellar peroxotitanium-containing catalyst [C(18)H(37)N(CH(3))(3)](7)[PW(10)Ti(2)O(38)(O(2))(2)] was assembled in the organic solvent and the structure was characterized by Fourier transform infrared spectroscopy(FT-IR), Diffuse reflectance UV-vis spectrum (DR-UV-vis). X-ray photoelectron spectrum (XPS), transmission electron microscopy (TEM), Energy dispersive X-ray analysis (EDAX), and Matrix-assisted laser desorption ionization time-of-flight (MALDI-TOF) mass spectrometry. Direct oxidation of dibenzothiophene (DBT) using O(2) was performed by this reverse micellar catalyst with similar to 100% selectivity in the oxidation of DBT to sulfone. By this catalyst, it could catalytically decrease sulfur level in diesel from 500 ppm to 1.0 ppm at ambient pressure and moderate temperature. (C) 2011 Elsevier B.V. All rights reserved.
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