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Production of high-octane gasoline via hydrodeoxygenation of sorbitol over palladium-based bimetallic catalysts

Author:
Eilhann E. Kwon  Yong Tae Kim  Hyung Ju Kim  Kun-Yi Andrew Lin  Ki-Hyun Kim  Jechan Lee  George W. Huber  


Journal:
Journal of Environmental Management


Issue Date:
2018


Abstract(summary):

Abstract A methodology for the synthesis of gasoline-range fuels from carbon neutral resources is introduced. Sorbitol, a sugar-based compound, was employed as a raw material because the compound is readily obtained from cellulose. Gasoline-range hydrocarbons were produced via hydrodeoxygenation (HDO) on zirconium phosphate-supported Pd-bimetallic (Pt−Pd, Ru−Pd, Ni−Pd, Fe−Pd, Co−Pd, W−Pd) catalysts. Among the tested catalysts, the bimetallic W−Pd/ZrP catalyst exhibited the highest yield of gasoline products, peaking at ∼70%. However, with the bimetallic Fe−Pd and Co−Pd catalysts, high-octane gasoline products were made (research octane number (RON) of the products was higher than 100). The Fe−Pd catalyst also showed the highest initial activity for the HDO of sorbitol. This study demonstrates that HDO in the Pd-system is a promising option to produce high-quality gasoline-range hydrocarbons from lignocellulosic biomass. Highlights • Pd-based bimetallic catalysts are effective to convert sorbitol into gasoline-ranged products. • Bimetallic Fe-Pd catalyst is most active for hydrodeoxygenation (HDO) of sorbitol. • The Fe-Pd catalyst produces high-octane gasoline products (RON > 100). • Bimetallic W-Pd catalyst yields ∼70% gasoline-ranged products from sorbitol via HDO.


Page:
329-329


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