It is desired to reduce the ammonia content of 0.0472 m3 /s (26.7C, 1 std atm) of an ammonia-air mixture from 5.0 to 0.04% by volume by water scrubbing. There is available a 0.305 m diameter tower packed with 25-mm Berl saddles to a depth of 3.66 m. Is the tower satisfactory, and if so. what water rate should be used? At 26.7C, ammonia-water solutions follow Henrys law up to 5 mol% ammonia in the liquid.

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