Question: Effect of mass transfer rate on the concentration profiles (a) Combine the result in Eq. 18.2-11 with that in Eq. 18.2-14 to get (b) Obtain
Effect of mass transfer rate on the concentration profiles
(a) Combine the result in Eq. 18.2-11 with that in Eq. 18.2-14 to get
(b) Obtain the same result by integrating Eq. 18.2-1 directly using the fact that NAz is constant.
(c) Note what happens when the mass transfer rate becomes small. Expand Eq. 18B.3-1 in a Taylor series and keep two terms only, as is appropriate for small NAz. What happens to the slightly curved lines in Fig. 18.2-1 when NAz is very small?
(NAL(z z,) D AB 1- XA exp 1 - 1
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NA 1XA2 AB In Z2 Z1 1XA1 When this is substituted into the right side of Eq 18211 we ... View full answer
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