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