The sorbents of the present invention exhibit {HEAD ~ a low catalytic activity} for hydrocarbon polymerization and {TAIL ~ a high HCl sorption capacity} 
for
The sorbents of the present invention exhibit { HEAD ~ a low catalytic activity } for hydrocarbon polymerization and { TAIL ~ a high HCl sorption capacity }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL