Question: Please refer to Problem 30.22. Now consider that a packed column containing 3/8-inch rings will be used instead of the wetted-wall column. a. What is

Please refer to Problem 30.22. Now consider that a “packed column” containing 3/8-inch rings will be used instead of the wetted-wall column.
a. What is k_La, the volumetric mass-transfer coefficient?
b. What is the concentration of dissolved oxygen in the liquid exiting the bottom of the column, c_AL_,out? As part of this analysis, develop a material balance on a differential volume element of the column along position z.
c. Why does the packed tower perform better than the wettedwall tower in terms of overall mass transfer?

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