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Got questions? I got answers!
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How to use equations with units using the picket fence method. |
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Solving for unknown flow rates, compositions, and temperatures using mole balances and equilibrium relationships for a single stage separator.
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Details on how to use Solver for the Single Stage example. |
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Solving for unknown flow rates, compositions, and temperatures using mole balances and equilibrium relationships for a three-stage separator.
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Solving for unknown flow rates, compositions, and temperatures using mole balances and equilibrium relationships for a 10-tray distillation column using the Lewis method |
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Fitting VLE data with a polynomial equation. |
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Fitting non-ideal VLE data for the THF-Water system using the Wilson equation and determining the constants with Azeotrope data.
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Two-stage ethanol-water distillation column consisting of partial condenser (Stage 1) and partial reboiler (Stage 2). The VLE data of this non-ideal system are fitted to polynomial equations for the "brute force" solution method.
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10-tray ethanol-water distillation column with a total condenser and partial reboiler. Instead of fitting the VLE data with a polynomial equation, I use the modified Raoult's law with activity coefficients modeled with the Wilson equation. This requires a macro (embedded program) to perform the stage by stage calculations from the bottom up. I show how to do this, including how to record and edit a macro.
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Extending the Lewis method to three (or more) components. |
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Solving for unknown flow rates and compositions using mole balances and equilibrium relationships for a single-stage absorber. Demonstrates how to derive partial pressure data from a non-ideal xy and Pxy graphs.
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Solving for unknown flow rates and compositions using mole balances and equilibrium relationships for a 5-tray stripping column using the Lewis method. Demonstrates how to derive partial pressures from solubility data.
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