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Received November 11, 2012
Accepted April 6, 2013
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Catalytic oxidative desulfurization of benzothiophene with hydrogen peroxide over Fe/AC in a biphasic model diesel-acetonitrile system
School of Chemical Engineering, Qingdao University of Science and Technology, Qingdao 266042, Shandong, P. R. China
wgjnet@126.com
Korean Journal of Chemical Engineering, August 2013, 30(8), 1559-1565(7), 10.1007/s11814-013-0052-5
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Abstract
Catalytic oxidative desulfurization (Cat-ODS) of benzothiophene (BT) in n-octane has been investigated with hydrogen peroxide (H2O2) over catalysts of activated carbon (AC) supported iron oxide under mild conditions. The catalyst was characterized by N2 adsorption, XRD, SEM/EDS, TPR and XPS. Under the best operating condition for the catalytic oxidative desulfurization--temperature 60 ℃, atmospheric pressure, 0.15 g Fe/AC, 18 molar ratio of_x000D_
hydrogen peroxide to sulfur, using acetonitrile as extraction solvent for double extraction--the sulfur content in model diesel fuel (MDF) was reduced from 700 ppmw to 30 ppmw with 95.66% of total sulfur was removed.
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References
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Castro CS, Guerreiro MC, Oliveira LCA, Goncalves M, Anastacio AS, Nazzarro M, Appl. Catal. A: Gen., 367(1-2), 53 (2009)
Duarte F, Maldonado-Hodar FJ, Perez-Cadenas AF, Madeira LM, Appl. Catal. B: Environ., 85(3-4), 139 (2009)
Fontecha-Camara MA, Alvarez-Merino MA, Carrasco-Marin F, Lopez-Ramon MV, Moreno-Castilla C, Appl. Catal. B: Environ., 101(3-4), 425 (2011)
Jia YF, Thomas KM, Langmuir, 16(3), 1114 (2000)
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Oliveira LCA, Cristina NS, Yoshida MI, Rochel ML, Carbon., 42, 2279 (2004)
Liou RM, Chen SH, J. Hazard. Mater., 172(1), 498 (2009)
Wu Z, Ondruschka B, Ultrason. Sonochem., 17, 1027 (2010)
Guimaraes IR, Giroto A, Oliveira LCA, Guerreiro MC, Lima DQ, Fabris JD, Appl. Catal. B: Environ., 91(3-4), 581 (2009)
Petigara BR, Blough NV, Mignerey AC, Environ. Sci. Technol., 36, 639 (2002)
Riad M, Mikhail S, Catal. Sci. Technol., 2, 1437 (2012)
