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