Patent ID: 8653314

Claim:
A method of making styrene, comprising: reacting toluene with a C 1 source and a co-feed in the presence of a catalyst in a reactor to form a first product stream comprising styrene, ethylbenzene, carbon monoxide, and hydrogen; separating the hydrogen and carbon monoxide from the first product stream to form a second stream; separating the hydrogen from the second stream to form a third stream comprising hydrogen and a fourth stream comprising carbon monoxide; wherein the fourth stream is recycled to the reactor and forms at least a portion of the co-feed; wherein the C 1 source is selected from the group consisting of methanol, formaldehyde, formalin, trioxane, methylformcel, paraformaldehyde, methylal, dimethyl ether, and combinations thereof; wherein the catalyst comprises at least one promoter on a support material comprising a zeolite; wherein the at least one promoter is selected from the group consisting of Ce, Cu, P, Co, Cs, Ga, and B and combinations thereof.