experimenti5 - Experiment I5: VL Equilibrium and Batch...

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    Experiment I5:  V-L Equilibrium and Batch Distillation Laura Jones April 9, 2001
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    Introduction Objectives Theory and Background Experimental Setup Experimental Procedure Calculations Questions
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    Objectives Determine vapor-liquid equilibrium  compositions experimentally Differential or batch distillation Correlation and prediction of equilibrium  data
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    Distillation Widely used separation process Multi-component liquid  Heated to boiling point Vapor-liquid composition difference basis  for separation  Equilibrium compositions Constant compositions reached with time Highest degree of separation possible
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    V-L equilibrium Equilibrium Data Necessary for analytical distillation analysis Found in literature as tables or T-x-y  diagrams  Relative volatitly For constant  α 0 2 0 1 2 1 2 1 / / P P x x y y = = α 1 1 1 ) 1 ( 1 x x y - + =
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    Differential/batch distillation Liquid mixture charged to heated still  Vapor removed to condenser – NO reflux
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This note was uploaded on 08/08/2009 for the course CHEM 11167 taught by Professor Azmi during the Spring '09 term at International University in Germany.

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experimenti5 - Experiment I5: VL Equilibrium and Batch...

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