November 2014

Petrochemicals

Optimize olefins and aromatics production

Petrochemical yields from the FCCU is an area of increasing interest as more companies try to integrate refining and petrochemical operations.

Dean, C., High Olefins FCC Technology Services, LLC; Letzsch, W. S., Technip Stone & Webster Process Technology

The fluid catalytic cracking (FCC) process can produce a wide range of products. FCC technology was introduced almost 72 years ago to facilitate the production of high-octane fuels, and many units are still operated for that purpose. However, the FCC unit (FCCU) can also be used to produce petrochemicals. Ongoing changes in ethane cracking operations do not produce sufficient propylene to meet growing demand. Petrochemical yields from the FCCU is an area of increasing interest as more companies try to integrate refining and petrochemical operations.1 PROPYLENE MAXIMIZATION In the last 10 years, the FCCU has typically been designed to produce large amounts of propylene. This has been true f

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