Abstract
This work analyzes the multiplicity of states in binary distillation by rigorous application of the singularity theory (Balakotaiah and Luss, 1984; Golubitsky and Schaeffer, 1985). We consider the mass-reflux flow rate (L w ) as bifurcation parameter and compute codimension-2 varieties that divide the feed composition (z F )-boilup (V) parameter space into regions where different types of bifurcation diagrams exist. Finally, we investigate the effect of physical and design parameters on the location and extent of the multiplicity regions.
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