February 2015

Special Report: Clean Fuels

Case history: Innovative resid-cracking catalyst debottlenecks FCC unit

Tamoil is a major operator in the oil and energy industry with operating refineries in Hamburg, Germany, and Collombey, Switzerland, in addition to distribution networks in Italy, Germany, Switzerland..

Tamoil is a major operator in the oil and energy industry with operating refineries in Hamburg, Germany, and Collombey, Switzerland, in addition to distribution networks in Italy, Germany, Switzerland, The Netherlands and Spain. The heart of Tamoil’s Collombey refinery is the residual fluid catalytic cracking unit (RFCCU). The feed to the Collombey RFCCU is a heavy residue feedstock (3 wt% up to 7 wt% Conradson carbon) and high contaminant metal levels of nickel (Ni) and vanadium (V) up to 12,000 ppm. The RFCCU uses a technology that is flexible for residue feedstocks.1BACKGROUNDBeginning in 2011, Tamoil’s Collombey refinery evaluated FCCU catalyst options to optimize performance a

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