Requirement of Polar Organic Solvents for Photosensitized Oxidation of Dibenzothiophenes and Biphasic Photooxidative Desulfurization of Light Gas Oil

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概要

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• Photooxidation of dibenzothiophene in the presence of molecular oxygen and a photosensitizer like anthraquinone (AQ) proceeded in MeCN, AcOH, acetone and MeOH but not in benzene or n-octane, indicating the requirement of polar solvents. The addition of MeCN to nonpolar solvent initiated the AQ-sensitized photooxidation even when the solvent was biphasic as in an n-octane/MeCN mixture. The major oxidation product of dibenzothiophene was the corresponding sulfoxide. 4,6-Dimethyldibenzothiophene is a very unreactive sulfur compound during hydrodesulfurization but its photooxidation proceeds about 4 times faster than that of dibenzothiophene during the co-photooxidation. Sulfur content in light gas oil was reduced to below 10 ppm in the AQ-sensitized photooxidation in biphasic system consisting of light gas oil and MeCN

• 日本油化学会の論文
• 2001-06-01

著者

• YAMAMOTO Yorihiro

  Department of Chemistry and Biotechnology, Graduate School of Engineering, University of Tokyo

• Yamamoto Yorihiro

  Department Of Chemistry And Biotechnology Graduate School Of Engineering

• Yamamoto Yorihiro

  Department Of Bionics Tokyo University Of Technology

• Ukegawa K

  Institute For Energy Utilization National Institute Of Advanced Industrial Science And Technology

• Yazu K

  Institute For Energy Utilization National Institute Of Advanced Industrial Science And Technology

• YAZU Kazumasa

  Institute for Energy Utilization, National Institute of Advanced Industrial Science and Technology

• MIKI Keiji

  Institute for Energy Utilization, National Institute of Advanced Industrial Science and Technology

• UKEGAWA Koji

  Institute for Energy Utilization, National Institute of Advanced Industrial Science and Technology

• Miki Keiji

  Institute For Energy Utilization National Institute Of Advanced Industrial Science And Technology

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