Question: Repeat Example 24.6 with the following two changes Example 24.6 Figure E24.6 = We wish to lower the concentration of B in the liquid (V,

Repeat Example 24.6 with the following two changes

Example 24.6

= We wish to lower the concentration of B in the liquid (V, 1.62 m, Cu = 55555.6 mol/m) of an agitated tank

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  = 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 final

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

= We wish to lower the concentration of B in the liquid (V, 1.62 m, Cu = 55555.6 mol/m) of an agitated tank reactor by bubbling gas (Fg = 9000 mol/hr, T = 105 Pa) containing A (PAin = 1000 Pa) through it. A and B react as follows: A(gl) + B(1)product (1), -r = KCACB (a) How long must we bubble gas through the vessel to lower the concentration from CB0 = 555.6 to CBf = 55.6 mol/m? (b) What percent of entering A passes through the vessel unreacted?

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