SEARCH Articles Figures Tables Alternative Design 1 for a Two-Column System Control of Two-Column System Design Calculation of Two-Section Columns Detectors two-column Distillation Sequencing Using Columns with More than Two Products Explicit Fractional Step Algorithm for Solving the Two-Fluid Model Equations Applied to Bubble Column Flow Possible Sharp Splits in Columns with Two Feeds Reactor-Column Process with Two Reactants Separation of Cobalt and Copper Using Two Different Polyamine Composites in Tandem Columns Two Column Plots Two-Column Notes Two-Column System with Excess Two-column system Two-stage distillation column