Extraction Joined with Adsorption and Catalytic Oxidation of Dibenzothiophene with Commercially Available Tungsten Carbide

Extraction with ionic liquids joined with adsorption and catalytic oxidation composed with commercially available tungsten carbide, 30% H2O2 and 1-n-octyl-3-methylimidazolium hexafluorophosphate ([omim]PF6) could achieve the ultra-deep removal of dibenzothiophene (DBT) in model oil. In the case of t...

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Bibliographic Details
Published in:Key engineering materials 2014-01, Vol.575-576, p.539-542
Main Authors: Jiang, Xin Chun, Zhou, Jian Jun, Chao, Yan Hong, Li, Hua Ming, Zhu, Wen Shuai, Zhou, Ting, Chen, Xiao Jun, Xu, Ye Hai, Yan, Shan
Format: Article
Language:English
Subjects:
Adsorption
Catalysis
Catalysts
Dibenzothiophene
Oxidation
Recycled
Solvent extraction
Tungsten carbide
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Summary:Extraction with ionic liquids joined with adsorption and catalytic oxidation composed with commercially available tungsten carbide, 30% H2O2 and 1-n-octyl-3-methylimidazolium hexafluorophosphate ([omim]PF6) could achieve the ultra-deep removal of dibenzothiophene (DBT) in model oil. In the case of the system increased the sulfur removal to 100% for 1h, which was remarkably superior to mere solvent extraction with IL (29.4%) or adsorption and catalytic oxidation without IL (2.0%). Especially, we found that the removal of 4,6-DMDBT could be up to 100%. The system could be recycled at least 12 times and the deep removal of DBT still could be achieved.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.575-576.539