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dc.contributor.authorRen, X.-
dc.contributor.authorMiao, G.-
dc.contributor.authorXiao, Z.-
dc.contributor.authorYe, F.-
dc.contributor.authorLi, Z.-
dc.contributor.authorWang, H.-
dc.contributor.authorXiao, J.-
dc.identifier.citationFuel: the science and technology of fuel and energy, 2016; 174:118-125-
dc.description.abstractThis study investigates catalytic adsorptive desulfurization (CADS) of model diesel fuel using TiO₂/SBA-15 under mild conditions. The TiO₂/SBA-15 was prepared by a facile incipient wetness impregnation method and characterized by N₂ adsorption and X-ray diffraction. The CADS referred to ADS performance were evaluated in a batch reactor. High desulfurization uptake of 12.7 mg/g was achieved at low sulfur concentration of 15 ppmw-S by TiO₂/SBA-15 under CADS, which was two-magnitude higher than that under ADS without the in-situ catalytic oxidation of dibenzothiophene. Kinetic results suggested that the CADS equilibrium over TiO₂/SBA-15 was reached fast in 0.5 h. In the CADS–TiO₂/SBA-15 system, the TiO₂ loading, cumene hydroperoxide/dibenzothiophene ratio and CADS temperature were optimized to be 10 wt%, 2, and 35 °C, respectively. Furthermore, desulfurization tests in 5 consecutive CADSregeneration cycles suggested that the bi-functional TiO₂/SBA-15 can be regenerated by acetonitrile washing followed with oxidative air treatment. The CADS–TiO₂/SBA-15 mechanism went through the oxidation of DBT to oxidized DBTO₂ over TiO₂/SBA-15 by cumene hydroperoxide, which was followed by the adsorption of the oxidized DBTO₂ over TiO₂/SBA-15. The superior desulfurization uptake at low sulfur concentration range, fast adsorption kinetics, excellent regenerability, operation at mild conditions, and facile and low-cost adsorbent synthesis make the CADS–TiO₂/SBA-15 system an effective and economic desulfurization approach for ultra-clean fuel production.-
dc.description.statementofresponsibilityXiaoling Ren, Guang Miao, Zhiyong Xiao, Feiyan Ye, Zhong Li, Haihui Wang, Jing Xiao-
dc.rights© 2016 Elsevier Ltd. All rights reserved.-
dc.subjectCatalytic adsorptive desulfurization (CADS); dibenzothiophene (DBT); TiO₂/SBA-15; adsorption isotherm; kinetics; ultra-clean fuel-
dc.titleCatalytic adsorptive desulfurization of model diesel fuel using TiO₂/SBA-15 under mild conditions-
dc.title.alternativeCatalytic adsorptive desulfurization of model diesel fuel using TiO(2)/SBA-15 under mild conditions-
dc.typeJournal article-
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Chemical Engineering publications

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