Thus, according to a preferred aspect of the invention, the mixture of {TAIL ~ propyne} and propadiene in the C3 mixture can be concentrated by selective scrubbing with a solvent, whereby a solvent stream containing {HEAD ~ the C3 mixture} is obtained 
Thus , according to a preferred aspect of the invention , the mixture of { TAIL ~ propyne } and propadiene in the C3 mixture can be concentrated by selective scrubbing with a solvent , whereby a solvent stream containing { HEAD ~ the C3 mixture } is obtained
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH