Enrique Aguilar-Rodriguez, Ciro Ortiz-Estrada, Martin Aguilera-LopezInstituto Mexicano del Petroleo Mexico City The 25,000 b/d fluid catalytic cracking unit (FCCU) at Petroleos Mexicanos' idle Azcapotzalco refinery near Mexico City has been relocated to Pemex's 235,000 b/d Cadereyta refinery. The results of a thermal-integration analysis are being used to revamp the unit and optimize its vapor-recovery scheme. FCCU REVAMPS New features of modern FCC design, catalyst, and equipment have led to important improvements that have attained higher conversion and better gasoline yield and quality. T...

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