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This contribution describes the column profile map (CPM) methodology for designing distributed feed distillation columns. For non‐sharp product distributions, a case study shows that energy savings of approximately 35% can be obtained if the feed stage(s) are designed optimally. Feed distribution allows capital cost savings, expands operating leaves, and can obtain greater separation feasibility....
There has been a growing interest in the use of residue curves for the preliminary design and sequencing of distillation columns. Residue curves are used not only to predict composition changes in separation processes, but also to determine the feasibility of proposed separations, and flowsheet development (Chem. Eng. Sci. 33 (1977) 281).An experimental technique has been developed for the measurement...
An equilibrium vapour-liquid separation process for some feed has a set of obtainable product compositions. Current research activity has focused on the feasible products from ternary homogeneous mixtures separated using distillation columns. The conclusions reached have been contradictory and have been undermined by the simplifying assumptions used to obtain them. This work considers the compositions...
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