Although {TAIL ~ the nitration step} can be separate from the voloxidation step, the nitration step can include contacting the solid oxidation product 30, or the spent nuclear fuel 26 in the second zone 16 of {HEAD ~ the voloxidizer} 12, with a nitration gas comprising nitrogen dioxide for a period sufficient to produce a nitration product 
Although { TAIL ~ the nitration step } can be separate from the voloxidation step , the nitration step can include contacting the solid oxidation product 30 , or the spent nuclear fuel 26 in the second zone 16 of { HEAD ~ the voloxidizer } 12 , with a nitration gas comprising nitrogen dioxide for a period sufficient to produce a nitration product
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH