Role of phosphorus in carbon matrix in desulfurization of diesel fuel using adsorption process

► Pyrophosphates and P2O5 in small mesopores enhance the desulfurization efficiency. ► Dibenzothiophenes are strongly and selectively adsorbed. ► Phosphorus inhibits oxidation of dibenzothiophenes. ► Dispersive and acid-base interactions and acid-base govern the desulfurization process.