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Methanol-Water Batch Distillation Prepared by: Jason Hixson Don Scott Michael Hickey September 20, 2005 UTC ENCH 435
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Objective Observe and analyze performance of batch distillation.
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Liquid,x Vapor, y VLE Diagram
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Reboiler Composition vs Time 2500 WInitial x m : 23%Initial V m : 16.86 L 75% Reflux 0% Reflux
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Tray 12 Composition vs Time
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Tray 11 Composition vs Time
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Tray 10 Composition vs Time
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Tray 9 Composition vs Time
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Tray 8 Composition vs Time
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Tray 7 Composition vs Time
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Tray 6 Composition vs Time
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Tray 5 Composition vs Time
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Tray 4 Composition vs Time
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Tray 3 Composition vs Time
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Tray 2 Composition vs Time
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Tray 1 Composition vs Time
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Reflux Composition vs Time Collected 1.69 L at 75% Reflux Collected 6.38 L at 0% Reflux 0% Reflux
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Tray # 12 VLE Diagram Liquid Vapor 0% Reflux
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Tray # 11 VLE Diagram 0% Reflux
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Tray # 10 VLE Diagram 0% Reflux
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Tray # 9 VLE Diagram 0% Reflux
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Tray # 8 VLE Diagram 0% Reflux
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Tray # 7 VLE Diagram 0% Reflux
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Tray # 6 VLE Diagram 0% Reflux
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Tray # 5 VLE Diagram 0% Reflux
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Tray # 4 VLE Diagram 0% Reflux
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Tray # 3 VLE Diagram 0% Reflux
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Tray # 2 VLE Diagram 0% Reflux
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Tray # 1 VLE Diagram 0% Reflux
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Conclusions At 75% reflux the purity of methane was a much higher quality. If quality is more important then a high reflux percentage is needed. If quantity and timeliness is more important then a low reflux is needed.
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