A spiral-wound, nonporous cellulose acetate membrane separator is to be used to separate a gas containing H2,
Question:
A spiral-wound, nonporous cellulose acetate membrane separator is to be used to separate a gas containing H2, CH4, and C2H6. The permeate will be 95 mol% pure H2 and will contain no ethane. The relative split ratio (separation power), SP, for H2 relative to methane will be 47. Using the following data and an infinite surroundings temperature of 80"F, compute:
(a) The irreversible production of entropy in Btulh-R
(b) The lost work in Btuh
(c) The minimum work of separation in Btu/h. Why is it negative? What other method(s) might be used to make the separation?
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First compute the material balance to obtain the flow rates of the retentate and permeate ...View the full answer
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