adsorption of thiophenic compounds from model diesel fuel using copper and nickel impregnated activated carbons噻吩化合物的吸附模型柴油使用铜和镍碳浸渍激活.pdfVIP

Energies 2012, 5, 4233-4250; doi:10.3390/en5104233 OPEN ACCESS energies ISSN 1996-1073 /journal/energies Article Adsorption of Thiophenic Compounds from Model Diesel Fuel Using Copper and Nickel Impregnated Activated Carbons Elham S. Moosavi 1, Seyed A. Dastgheib 2 and Ramin Karimzadeh 1,* 1 Chemical Engineering Faculty, Tarbiat Modares University, Post Office Box 14155-4838, Tehran, Iran; E-Mail: moosavi_el@ 2 Illinois State Geological Survey, Prairie Research Institute, University of Illinois, 615 E. Peabody Drive, Champaign, IL 61820, USA; E-Mail: seyed@ * Author to whom correspondence should be addressed; E-Mail: ramin@modares.ac.ir; Tel.: +98-21 Fax: +98-21 Received: 18 July 2012; in revised form: 13 September 2012 / Accepted: 20 September 2012 / Published: 23 October 2012 Abstract: Adsorption of sulfur compoundsby porous materials is an effective way to produce cleaner diesel fuel.In this study, adsorption of refractory thiophenic sulfur compounds, i.e., benzothiophene (BT), dibenzothiophene (DBT), and 4,6-dimethyldibenzothiophene (4,6-DMDBT) in single-solute systems from n-hexane solutions onto metal-impregnated activated carbons was investigated. A hydrogen-treated activated carbon fiber was selectively loaded with Ni, NiO, Cu, Cu O, and CuO species to systematically assess the impact of 2 each metal species on the adsorption of thiophenic compounds (TC). Metal-loaded