The financial benefit comes from selling the soda commodity chemicals as {HEAD ~ byproduct} of {TAIL ~ the combined processes} 
of
The financial benefit comes from selling the soda commodity chemicals as { HEAD ~ byproduct } of { TAIL ~ the combined processes }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL