
Keywords: 4،6-DMDBT; GO; graphene oxide; HPMo; phosphomolybdic acid: H3PMO12O40; HPMo-GO; graphene oxide-based phosphomolybdic acid catalyst; ECOD; extractive-catalytic oxidative desulfurization; CODS; catalytic oxidative desulfurization; X1: T; temperature; X2: O/S; oxygen t