![]() ![]() Several authors (Kotas, 1985, Sciubba and Wall, 2007, Szargut et al., 1988) defined exergy as the maximum theoretical useful work obtained if a system is brought from its actual state ( T, P, z) to a thermodynamic equilibrium with an exergy reference environment ( T 00, P 00, z 00) by means of reversible processes. The latter results from the combination of the first and second principles of the thermodynamics. Such a kind of analysis is based on the so-called exergy concept. As attested by the numerous publications (Luis, 2013), exergy analysis has been shown to be a powerful tool for assessing and improving energy efficiency of thermal and chemical processes. A short term solution consists in improving energy efficiency of industrial processes. High volatility of energy prices and the more and more stringent environmental regulations have stimulated the search for further improvements to cut the energy consumption down and reduce GHG emissions. The industrial sector accounts for one third of the worldwide energy consumption. ![]()
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