CATALYST FOR DEHYDROGENATION OF ALKYL AROMATIC HYDROCARBON AND PROCESS FOR PRODUCING VINYL AROMATIC HYDROCARBON USING THE SAME

摘要

An iron oxide catalyst for dehydrogenation of an alkyl aromatic hydrocarbon, wherein the catalyst is produced by adding potassium oxide to an iron oxide. The catalyst contains potassium ferrite. The catalyst has a ratio of a pore volume having a pore diameter of from 20 to 100 nm to a pore volume having a pore diameter of from 0 to 100 nm of between 0.7 and 9.0. The catalyst exhibits an excellent initial activity and has a substantially long catalyst life.