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