Process for the extractive oxidation of contaminants from {HEAD ~ raw fuel streams} catalyzed by {TAIL ~ iron oxides} 
catalyzed by
Process for the extractive oxidation of contaminants from { HEAD ~ raw fuel streams } catalyzed by { TAIL ~ iron oxides }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL