Ionic Liquids (ILs) have been suggested as useful extractants of aromatic nitrogencontaining compounds (N-compounds) from fuel oils. In this systematic study, ILs based on common cations and anions are employed as extractants of the archetypical N-compounds pyridine and indole from a model oil consisting of decane and toluene. The performance of these ILs as extractants of N-compounds is compared and rationalized. It is demonstrated that the cation and anion sizes (offering more surface area for extractants to interact) are the major factors determining the effectiveness of N-compounds extraction, although hydrogen bond donor/acceptor abilities of ILs can also play a role in the removal of these N-compounds. In this study, some ILs are found to dissolve considerable amount of oil contents. This undesired property can be controlled by the size of IL ions.

Extractive Denitrogenation of Fuel Oils with Ionic Liquids: A Systematic Study

CATTELAN, LISA;PEROSA, Alvise;SELVA, Maurizio;
2017-01-01

Abstract

Ionic Liquids (ILs) have been suggested as useful extractants of aromatic nitrogencontaining compounds (N-compounds) from fuel oils. In this systematic study, ILs based on common cations and anions are employed as extractants of the archetypical N-compounds pyridine and indole from a model oil consisting of decane and toluene. The performance of these ILs as extractants of N-compounds is compared and rationalized. It is demonstrated that the cation and anion sizes (offering more surface area for extractants to interact) are the major factors determining the effectiveness of N-compounds extraction, although hydrogen bond donor/acceptor abilities of ILs can also play a role in the removal of these N-compounds. In this study, some ILs are found to dissolve considerable amount of oil contents. This undesired property can be controlled by the size of IL ions.
2017
31
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10278/3681870
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