For example, the mixture of propyne and propadiene may have been obtained from {HEAD ~ the bottom effluenet} of {TAIL ~ a propane/propene splitter} which contains significant amounts of propane, propene, propyne and propadiene 
of
For example , the mixture of propyne and propadiene may have been obtained from { HEAD ~ the bottom effluenet } of { TAIL ~ a propane / propene splitter } which contains significant amounts of propane , propene , propyne and propadiene
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH