Gas Membrane Presentation

Gas Membrane Separation Separations & Reaction Engineering Lab March 21, 2006 Kate Cannady Christopher Miller Matt Mobily Jennifer Pratt

Today’s Schedule ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is Gas Membrane Separation? ,[object Object],[object Object],[object Object]

Industrial Uses? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Advantages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Disadvantages ,[object Object],[object Object],[object Object],Hollow Fiber

Factors to Consider ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Industrial Hollow Fiber Membrane ,[object Object],[object Object],[object Object],[object Object],[object Object]

Design Challenge ,[object Object],[object Object]

Apparatus & Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],gas separation unit collection trap oxygen analyzer and probe flow controller permeate and reject pressure controls flow meters flow inlet

Polysulfone - C 27 H 22 O 4 S ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Theory Flux of A across film: Flux of B across film: x A = mole fraction of A on high pressure side (reject) y A = mole fraction of A on low pressure side (permeate) P L = reject pressure P V = permeate pressure P A = permeability of A P B = permeability of B t = membrane thickness A variation of Fick’s…

More Theory… In terms of selectivity: From before: and become and

And More Theory… So… Recall that

Data & Results ,[object Object],[object Object],[object Object],[object Object],Flow Rate (mL/s) * O 2 Concentration (%) 108 27.4 216 33.4 324 36.5 * Flow rates adjusted based on calibration (originally 100, 200 and 300 mL/s)

Data & Results For calculating selectivity… P L y A x A P V y B = (1-y A )

Data & Results Selectivity Results for Collected Data: Recall α ideal = 5.80

Conclusions & To Do List ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object]

[object Object],Brilliant! ? ? ? ? ? ? ? ? ? ? ? ? Brilliant!

Gas Membrane Presentation

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Gas Membrane Presentation