February 2009

Special Report: Clean Fuels

How to meet ultra-low sulfur requirements for gasoline

This European refiner had to reconfigure pentane stream operations to comply with 2009 fuel specifications

Garcia, R., Monero, M., Tola, I., CEPSA; Vizcaino, J. L., CEPSA, Process Engineering

Beginning January 2009, all gasoline produced in Spain must have a maximum sulfur (S) content of 10 ppm. CEPSA's La Rábida refinery experienced challenges in meeting the new transportation fuel targets and managing the refinery's pentane streams. This case history discusses processing changes and the installation of a new hydrotreating unit to produce 10-ppm S gasoline. This revamp project included operational adjustments to improve profitability for the facility (Fig. 1).  Fig. 1    View of chimney at CEPSA's La Rábida refinery in Huelva, Spain. The refinery. CEP

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