Embodiments of the invention further include {HEAD ~ an alkylation method} including contacting an alkyl aromatic hydrocarbon with a cerium promoted zeolite catalyst and then contacting {TAIL ~ the alkyl aromatic hydrocarbon} with an alkylation catalyst to form a second aromatic hydrocarbon 
including contacting
Embodiments of the invention further include { HEAD ~ an alkylation method } including contacting an alkyl aromatic hydrocarbon with a cerium promoted zeolite catalyst and then contacting { TAIL ~ the alkyl aromatic hydrocarbon } with an alkylation catalyst to form a second aromatic hydrocarbon
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH