A packed colimn w$/4$'internal diameter filled w$/2"$

pall ring will be used to scrub air stream at $16000l\frac{b}{h},$

$90\%,$ and $15$ psia containing $300ppm(\frac{V}{V})$ of

ammonia to $0\mathrm{.}2ppm$ using $36000l\frac{b}{h}$ of $H2O$

at $90$ of counter cursently. The equilibrium relationship

of ammonia $-$ air $-H_{2}O$ for dilute silution may be given

by: $y=1\mathrm{.}4098$ where: $y=$ molfraction $8NH,$

in ain

The siverall masstransfer coefficient $x=m$ ifnction $N{H}_3,$

$K_{G_a}=13\mathrm{.}65km\frac{o}{h}*f{t}^3$atm at $4qpm$ of liquid

rate and $3\mathrm{.}5f\frac{t}{s}$ superficial velocity of gows.

Assume that $K_{Ga}$ is proportional to $r^{0\mathrm{.}88}\frac{}{{?}_{{?}^{?}}}(0\mathrm{.}09)$

where $V=$ superficial gos velority, ft$/$s and