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The feasibility of ethyl acetate synthesis is examined using the reactive distillation lines diagram.
The computation of distillation lines assumes that the vapour and liquid leaving a tray are in equilibrium.
The curvature of the residue curves and distillation lines changes, significantly affecting the shape of the maps.
In this work, the equations defining residue curves and distillation lines are extended to take into account mass transfer effects that occur in real distillation columns.
The thermodynamic efficiency of several structures of the extended FTCDC is examined from their distillation lines adopted from the residue curve of equilibrium distillation having ideal efficiency.
We have developed a graphical design method, based on distillation lines and tray-by-tray calculations defined in terms of reaction-invariant composition variables, to determine RD design parameters such as the number of theoretical stages, operating reflux ratio, the feed tray location and the top or bottom flow.
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Conceptual process design was carried out with ∞/∞-analysis using reactive distillation line diagrams.
The approach based on residue curve maps or distillation line diagrams is general and not limited to the number of components or azeotropes.
Two feasibility conditions are formulated that make it possible to investigate feasibility based on information coming solely from the distillation line map along with the binodal curve of the ternary mixture.
The design equations are based on the Underwood equations for the calculation of minimum reflux (reboil) ratio, the analytical formulations of the distillation line, the Eigenfunction and the number of theoretical stages for each mass transfer section of the column.
Residue-curve and distillation-line maps are useful tools for the design of azeotropic distillation sequences.
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