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The Batch Distillation Unit, "UDDB", designed by EDIBON, allows the practical and detailed study of the batch distillation process, widely used in the chemical industry for separating liquid mixtures containing components with different boiling points. Through its design, the unit facilitates understanding of the principles governing mass and energy transfer during the distillation operation, allowing observation of how process variables directly affect the composition of both the distillate and the residue. The batch distillation process is characterized by the introduction of the feed into the boiler at the beginning of the operation, with separation taking place sequentially until the desired composition is achieved or the process is completed. This type of distillation is fundamental in applications where production is not continuous, or when high product purity is required. Therefore, studying this process is essential to understand the relationship between temperature, pressure, reflux ratio, and the composition of vapor and liquid along the column. The "UDDB" consists of a stainless steel boiler that serves as a reboiler for the liquid mixture, on which different types of