Patent ID: 8314282

Claim:
A method of revamping an existing styrene production facility comprising: providing an existing styrene production facility comprising a separation apparatus to remove at least a portion of any benzene from a first product stream, an alkylation reactor to form ethylbenzene by reacting benzene and polyethylbenzene, and a dehydrogenation reactor to form styrene by dehydrogenating ethylbenzene; adding one or more reactors to the facility, wherein the one or more reactors are capable of reacting toluene with methane to produce a first product stream comprising ethylbenzene and styrene; wherein the one or more reaction zone comprises one or more catalyst sites comprising a catalyst selected from the group consisting of X zeolite, Y zeolite, mordenite, silicalite, and combinations thereof; and wherein the catalyst is modified with molybdenum, sodium or other basic ion.