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

Ye Hai Xu; Jian Jun Zhou; Ting Zhou; Yan Hong Chao; Shan Yan; Xin Chun Jiang; Xiao Jun Chen; Wen Shuai Zhu; Hua Ming Li

doi:10.4028/www.scientific.net/KEM.575-576.539

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 575-576Extraction Joined with Adsorption and Catalytic...

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

Abstract:

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.

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Key Engineering Materials (Volumes 575-576)

Pages:

539-542

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.575-576.539

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Online since:

September 2013

Authors:

Ye Hai Xu, Jian Jun Zhou, Ting Zhou, Yan Hong Chao, Shan Yan, Xin Chun Jiang, Xiao Jun Chen, Wen Shuai Zhu, Hua Ming Li

Keywords:

Catalytic Oxidation, Extraction Joined with Adsorption, Ionic Liquid (IL), Tungsten Carbide, Ultra-Deep Desulfurization

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