Petrochemical Manufacturing

Includes manufacturing the two classes of petrochemicals mainly olefins including ethylene and propylene, and the aromatics including benzene and toluene by deriving from petroleum, it involves producing olefins and aromatics in oil refineries by fluid catalytic cracking of petroleum fractions, also producing olefins in chemical plants by steam cracking of natural gas liquids, and aromatics by catalytic reforming of naphtha.