Abstract

This paper addresses the analysis of a distillation process by descending liquid film, more specifically the feed distribution system. This system offers simple construction, low resistance to liquid flow high capacity and. In this new equipment configuration the feed distribution system directly influences the efficiency of the separation. The objective of this study is to determine the best configuration of the feed distribution system through Computational Fluid Dynamics (CFD) simulations. The results obtained for this system indicate the formation of a thin liquid film on the walls of the distillation tube. The observed flow pattern oscillates between intermittent and gush, with a predominance of intermittent. Results were also obtained for the same geometry but with rotational movement.

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