Microwave-assisted Synthesis of CuCl-MIL-47 and Application to Adsorptive Denitrogenation of Model Fuel: Response Surface Methodology

Today, energy-environment concerns are crucial for humans. Environmental pollution will increase as a result of expanding the use of fossil fuels, nitrogen-containing compounds (NCCs) of which cause destructive effects on the environment. In this study, adsorptive denitrogenation (ADN) was performed by adsorbing indole (IND) from model fuels and gasoline over Metal-organic frameworks (MOFs) CuCl-MIL-47. The MIL-47 was synthesized by the microwave method with modified CuCl. In the present study, the application of Central Composite Design (CCD) was evaluated in the ADN process optimization for the first time. The maximum adsorption capacity (Q(0)) CuCl-MIL-47 for indole (IND) was 769.2 mg/g. Herein, pi-complexation of IND with Cu has made a synergistic effect leading to an increase in Q(0). Moreover, the reusability of CuCl-MIL-47 was confirmed through its regeneration via ethanol.