Stripping Countercurrent stage stripping is to be used to remove a taint from cream. The taint is present in the original cream to the stripper at a concentration kmol of cream

en- mol%. For every 100+b+d=e 20 + 22 hr b+d-e 21 tering, 30 + kmol of steam will be used for stripping. It is desired hr to reduce the concentration of the taint in the cream to 1 mol %. The equilib- rium relation between the taint in the steam vapor and the liquid cream is, y = 10x, where y is mole fraction of taint in the steam and x is mole fraction in the cream. Determine the number of theoretical stages needed. = b+d-e 22 =