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