Fifty-six ionic liquids were efficiently synthesized in parallel format under one-pot, solvent-free microwaveassisted
synthesis. These compounds were evaluated as extracting agents of nitrogen-containing compounds from a real
Diesel feed before being submitted to the hydrodesulfurization process to obtain ultralow sulfur Diesel. Our results
showed that halogenated ionic liquids are an excellent alternative due to these ionic liquids are relatively inexpensive,
presenting a high selectivity for the extraction of nitrogen-containing compounds and can be regenerated and recycled.
Keywords: Denitrogenation, diesel, ionic liquids, microwave, parallel synthesis
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