The method 1, wherein during irradiation {HEAD ~ the biomass feedstock} is conveyed past a particle gun and through {TAIL ~ a beam} of electrons 
The method 1 , wherein during irradiation { HEAD ~ the biomass feedstock } is conveyed past a particle gun and through { TAIL ~ a beam } of electrons
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH