Repeat Example 24.6 with the following two changes Example 24.6 We wish to lower the concentration of

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Repeat Example 24.6 with the following two changes

Henry's Law Constant HA, Pa.m/mol 105 Second-Order Reaction Rate, Constant k, m/mol.hr 2.6  10

Example 24.6

We wish to lower the concentration of B in the liquid (V= 1.62 m3, CU = 55555.6 mol/m3) of an agitated tank reactor by bubbling gas (Fg = 9000 mol/hr, π = 105 Pa) containing A (pAin = 1000 Pa) through it. A and B react as follows:

(a) How long must we bubble gas through the vessel to lower the concentration from CB0 = 555.6 to CBf = 55.6 mol/m3?
(b) What percent of entering A passes through the vessel unreacted?Additional Data KAga 0.72 mol/hr.m. Pa kaja = 144 hr-1 HA 10 Pa m/mol = fi= 0.9 m liquid/m total DA DB = 3.6

Figure E24.6F = 900 mol/hr TT= 105 Pa PA, in = 1000 Pa Cr= 55555.6 mol/m CBO 555.6 mol/m at t= 0 CB = 55.6 mol/m at 1


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