Abstract
Air pollution and its problems have led scientists to define new ways of overcoming these obstacles, which among the catalytic oxidative (CODS) process is more noteworthy. Herein, a new green organic/inorganic nanocomposite was designed with keggin-type polyoxometalate, graphene oxide, and chitosan. The PW9La3@GO(gly)@CS (PGC) was fabricated via the sol-gel method and was conducted to the oxidative desulfurization process under mild conditions. The two-step desulfurization of oxidation and oil/water phase separation resulted in marvelous efficiency. This temperature-dependent reaction was further investigated via pseudo-first order kinetics which approved the mechanism of the desulfurization process and its temperature dependency. The three substituted keggin POM showed more efficiency when immobilized on a firm natural polymer like chitosan. Therefore, the PGC was characterized by FT-IR, XRD, XRF, and SEM which confirmed the successful synthesis of this hybrid material.