The preferred mode for operating the novel process of this invention is to use a fixed bed of {HEAD ~ catalysts} either in a two bed arrangement or in sequential catalyst stages in {TAIL ~ one bed} 
The preferred mode for operating the novel process of this invention is to use a fixed bed of { HEAD ~ catalysts } either in a two bed arrangement or in sequential catalyst stages in { TAIL ~ one bed }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL