TiO_2-Mediated Photocatalytic Desulfurization Process for Light Oils Using an Organic Two-Phase System
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概要
- 論文の詳細を見る
A desulfurization process for light oils, based on photocatalytic oxidation of sulfur-containing compounds using TiO2 and an oil/acetonitrile two-phase extraction, has been investigated. Dibenzothiophenes (DBTs), when dissolved in acetonitrile, are oxidized by photoirradiation at wavelengths λ > 320 nm in the presence of TiO2, to form the corresponding sulfoxides and sulfones, which do not distribute into the non-polar light oil owing to their high polarity. When light oil and acetonitrile are mixed and photoirradiated in the presence of TiO2, the sulfur compounds are extracted successively and photooxidized in acetonitrile. By this means, deep desulfurization is achieved: the sulfur content of light oil being reduced from 0.18 to less than 0.05 wt%. The present process, however, has a difficulty in the desulfurization of high-aromatic-content light oils.
- 社団法人 化学工学会の論文
- 2002-05-01
著者
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白石 康浩
大阪大学太陽エネルギー化学研究センター/大阪大学大学院基礎工学研究科
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平井 隆之
大阪大学太陽エネルギー化学研究センター/大阪大学大学院基礎工学研究科
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Komasawa Isao
Department of Chemical Science and Engineering, Graduate School of Engineering Science, Osaka Univer
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SHIRAISHI YASUHIRO
Department of Chemical Science and Engineering, Graduate School of Engineering Science, and Research
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HIRAI TAKAYUKI
Department of Chemical Science and Engineering, Graduate School of Engineering Science, and Research
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駒沢 勲
Department Of Chemical Science And Engineering Graduate School Of Engineering Science And Research C
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Komasawa Isao
Department Of Chemical Science And Engineering Graduate School Of Engineering Science Osaka Universi
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Hirai Takayuki
Department Of Chemical Science And Engineering Graduate School Of Engineering Science Osaka Universi
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Hirai Takayuki
Department Of Chemical Engineering Osaka University
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Hirai Takayuki
Department Of Chemical Engineering Faculty Of Engineering Science Osaka University
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Komasawa Isao
Department Of Chemical Engineering Faculty Of Engineering Science Osaka University
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Shiraishi Yasuhiro
Department of Chemical Engineering, Osaka University
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