February 2013

Special Report: Clean Fuels

Use an innovative cracking catalyst to upgrade residue feedstock

Tamoil’s Collombey refinery worked very close with a new catalyst supplier to remove the main operating constraint and significantly improve the unit profitability. Several project goals were set and attained.

Tamoil S.A. is a major downstream organization active in Europe and Africa. This energy company has refineries in Hamburg, Germany, and Collombey, Switzerland, in addition to distribution networks operating in Italy, Germany, Switzerland, The Netherlands and Spain. The Collombey refinery operates a resid fluid catalytic cracking (RFCC) unit. The RFCC technology provides a cost-effective, flexible and reliable means to upgrade residue feedstocks to higher-value refined products.a This unit processes a 100% residue feedstock with up to 7 wt% Conradson carbon residue (CCR) and a high contaminant metal level—the equilibrium catalyst (Ecat) nickel (Ni) is up to 6,000 ppmw and vanadium (V

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