It is further contemplated that {HEAD ~ the zeolite Y catalyst} may be modified with {TAIL ~ cerium} in the same manner as the modification of zeolite beta 
It is further contemplated that { HEAD ~ the zeolite Y catalyst } may be modified with { TAIL ~ cerium } in the same manner as the modification of zeolite beta
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH