External column balances allow the calculation
of only a few of the process variables (B, D, QC,QR)
• Column design, however, requires knowledge of
additional parameters, e.g., number of stages,
optimum feed location (stage), column diameter, etc
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Stripping Section
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Lewis Method
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McCabe-Thiele Method
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Feed Stage
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Types of Feeds and Slopes
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INTRODUCTION TO MULTICOMPONENT DISTILLATION
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MULTICOMPONENT DISTILLATION
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Shortcut Methods
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Underwood Equations
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Underwood Equations (Cont’d)
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Gilliland Correlation
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Absorption and Stripping
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