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