Process for the production of ethylbenzene by alkylation over a silicalite alkylation catalyst with the subsequent transalkylation of diethylbenzene with the alkylation catalyst and conditions selected to retard xylene production and also heavies production. A feedstock containing benzene and ethylene...http://www.google.com/patents/US5847255?utm_source=gb-gplus-sharePatent US5847255 - Gas phase alkylation-liquid phase transalkylation process
