December 2003

Process Technology/Heat Transfer

Using an integrated approach conserves energy andhydrogen

Applying plant-wide pinch analysis for an existing facility often lowers CAPEX for expansions and retrofits

Bealing, C., Linnhoff March; Ricci, G., eni S.p.A. Refining and Marketing Division

Eni S.p.A. Refining & Marketing, the downstream sector of Eni S.p.A. – an integrated energy company – wholly owns five refineries in Italy and is a shareholder of numerous other refineries both in Italy and elsewhere in Europe. This company has a total crude capacity exceeding 40,000 tpy (859,000 bpsd). Eni sells more than 20,000 tpy (20 Mtpy) of crude and more than 50 Mtpy of refined products; it is the recognized market leader within the Mediterranean area. IMPORTANCE OF ENERGY CONSERVATION Several years ago, energy conservation became a priority within the Refining & Marketing Division with support from the Eni Group. The company recognized that efficient energy usage was a

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