PolyoxometalatesMetal-organic frameworksPOM@MOFs compositesCatalystOxidative desulfurizationMETAL-ORGANIC FRAMEWORKSIONIC LIQUID EXTRACTIONHEXAGONAL BORON-NITRIDEDEEP DESULFURIZATIONMODEL DIESELHIGHLY EFFICIENTADSORPTIVE DESULFURIZATIONHYDROGEN-PEROXIDEMOLECULAR-OXYGENACTIVATED CARBON