10_32_exm2rvw_as - bottom of column operating line:...

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10.32 Spring 2005 Exam 2 Review Session Absorption and Stripping (pp. 317-325, Seader and Henley) Absorption : gas is purified; solute is absorbed from gas into liquid stream Stripping : liquid is purified; solute stripped from liquid into gas For dilute streams, assume constant gas and liquid flow rates: G G G n 0 = = L L L n 0 = = Absorption Stripping y n is usually specified x 0 is usually specified mass balance around top of column mass balance around
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Unformatted text preview: bottom of column operating line: operating line: + = G L x y G L x y n n + = G L x y G L x y gas film controls mass transfer liquid film controls mass transfer driving force = (y-y*) driving force = (x*-x) Absorption : operating line above PEQ line Stripping: operating line below PEQ line...
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10_32_exm2rvw_as - bottom of column operating line:...

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