Integration of the Total Petrochemicals-UOP olefins conversion process into a naphtha steam cracker facility

OCP as a feed-pretreatment for steam cracking of olefinic feedstocks allows shifting the P/E ratio in the global product slate to values well outside the normal ranges observed on SR naphtha. In an existing steam cracker that is furnace limited, the concept may permit to increase the propylene yield dramatically. The highest potential is observed when the plant has no other option than to recycle crack the Raw C4s.