Abstract
This article provides a description and practical application of one of the ways to optimize energy consumption in industrial plants - pinch analysis. This method makes it possible to efficiently distribute and use energy flows in technological installations.In particular, the article discusses a pinch analysis of recuperative heat exchangers at a tar deasphalting unit. Solvent deasphalting is one of the most energy-consuming oil refining processes and mainly the energy intensity of the process determines the final costof deasphalting, which is either a feedstock for catalytic cracking and hydrocracking units, or a component of oil production.Therefore, one of the sources for increasing the energy efficiency of these installations is the optimization of the operation of heat exchange equipment using pinch analysis.
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