Research Center for Solar Energy Chemistry
Osaka University
Machikaneyama-cho 1-3, Toyonaka, Osaka 560-8531, JAPAN
Tel: +81-(0)6-6850-6271, Fax: +81-(0)6-6850-6273
E-mail: shiraish@cheng.es.osaka-u.ac.jp
http://www.cheng.es.osaka-u.ac.jp/komalabo/shiraishi/index.html
--------------------------------------------------------------------------------
Profile
1973 Born in Yamaguchi, Japan
1996 BS, Osaka University
1997 MS, Osaka University
2000 Dr. of Eng., Osaka University
2000.5-2000.10 University of Bradford, United Kingdom
2001 Research Associate, Osaka University
--------------------------------------------------------------------------------
Research Projects
1. Novel Desulfurization, Denitrogenation, and Demetalation Processes for Fuel Oils by Photochemical Reaction and Liquid-Liquid Extraction
2. Novel Desulfurization and Denitrogenation Processes for Fuel Oils through Chemical Modification of Sulfur Compounds
--------------------------------------------------------------------------------
Publication List
1. Desulfurization Process for Light Oil by Photochemical Reaction and Liquid-Liquid Extraction: Removal of Benzothiophenes and Alkyl Sulfides. Takayuki Hirai, Yasuhiro Shiraishi and Isao Komasawa, J. Chem. Eng. Japan, 30(1), 173-175 (1997)
2. Effect of Photosensitizer and Hydrogen Peroxide on Desulfurization of Light Oil by Photochemical Reaction and Liquid-Liquid Extraction. Takayuki Hirai, Yasuhiro Shiraishi, Ken Ogawa and Isao Komasawa, Ind. Eng. Chem. Res., 36(3), 530-533 (1997)
3. A Deep Desulfurization Process for Light Oil by Photochemical Reaction in an Organic Two-Phase Liquid-Liquid Extraction System. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 37(1), 203-211 (1998)
4. Visible Light-Induced Desulfurization Technique for Light Oil. Yasuhiro Shiraishi, Yasuto Taki, Takayuki Hirai and Isao Komasawa, Chem. Commun., 2601-2602 (1998)
5. Photochemical Desulfurization of Light Oils Using Oil/Hydrogen Peroxide Aqueous Solution Extraction System: Application for High Sulfur Content Straight-Run Light Gas Oil and Aromatic Rich Light Cycle Oil. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, J. Chem. Eng. Japan, 32(1), 158-161 (1999)
6. A Deep Desulfurization Process for Light Oil by Photosensitized Oxidation Using a Triplet Photosensitizer and Hydrogen Peroxide in an Oil/Water Two-Phase Liquid-Liquid Extraction System. Yasuhiro Shiraishi, Hiroyuki Hara, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 38(4), 1589-1595 (1999)
7. Photochemical Desulfurization of Methyl-Substituted Organic Sulfur Compounds from Light Oil Using an Oil/Hydrogen Peroxide Aqueous Solution System. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Solv. Extr. Res. Dev., Japan, 6, 137-143 (1999)
8. Identification of Desulfurization Products in the Photochemical Desulfurization Process for Benzothiophenes and Dibenzothiophenes from Light Oil Using an Organic Two-Phase Extraction System. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 38(9), 3300-3309 (1999)
9. Visible Light-Induced Deep Desulfurization Process for Light Oils by Photochemical Electron-Transfer Oxidation in an Organic Two-Phase Extraction System. Yasuhiro Shiraishi, Yasuto Taki, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 38(9), 3310-3318 (1999)
10. Visible Light-Induced Desulfurization Process for Catalytic-Cracked Gasoline Using an Organic Two-Phase Extraction System. Yasuhiro Shiraishi, Yasuto Taki, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 38(12), 4538-4544 (1999)
11. Photochemical Desulfurization for Light Cycle Oil Using an Organic Two-Phase Extraction System. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Solv. Extr. Res. Dev., Japan, 7, 11-17 (2000)
12. A Novel Demetalation Process for Vanadyl- and Nickelporphyrins from Petroleum Residue by Photochemical Reaction and Liquid-Liquid Extraction. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 39(5), 1345-1355 (2000)
13. Novel Deep Desulfurization Processes for Fuel Oils by Photochemical Reactions and Liquid-Liquid Extraction (in Japanese). Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Kagaku Kogaku Ronbunshu, 26(4), 487-496 (2000)
14. Photochemical Denitrogenation Processes for Light Oils Effected by a Combination of UV Irradiation and Liquid-Liquid Extraction. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 39(8), 2826-2836 (2000)
15. Photochemical Desulfurization and Denitrogenation Process for Vacuum Gas Oil Using an Organic Two-Phase Extraction System. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 40(1), 293-303 (2001)
16. A Novel Desulfurization Process for Fuel Oils Based on the Formation and Subsequent Precipitation of S-Alkylsulfonium Salts. 1. Light Oil Feedstocks. Yasuhiro Shiraishi, Yasuto Taki, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 40(4), 1213-1224 (2001)
17. A Novel Desulfurization Process for Fuel Oils Based on the Formation and Subsequent Precipitation of S-Alkylsulfonium Salts. 2. Catalytic-Cracked Gasoline. Yasuhiro Shiraishi, Kenya Tachibana, Yasuto Taki, Takayuki Hirai and Isao Komasawa, Ind. Eng. Chem. Res., 40(4), 1225-1233 (2001)
18. Operability Study on Photochemical Desulfurization Process for Light Oil Using an Organic Two-Phase Extraction System. Yasuhiro Shiraishi, Takayuki Hirai and Isao Komasawa, Solv. Extr. Res. Dev., Japan, 8, in press (2001)