For the acetone absorber of Figure, assuming the use of sieve trays with a 10% hole area
Question:
For the acetone absorber of Figure, assuming the use of sieve trays with a 10% hole area and &-in. holes with an 18-in, tray spacing, estimate:
(a) The column diameter for a foaming factor of 0.85 and a fraction of flooding of 0,75,
(b) The vapor pressure drop per tray.
(c) The number of transfer units, NG and NL, from (6-62) and (6-63), respectively.
(d) NoG from (6-61).
(e) The controlling resistance to mass transfer.
(f) EoV from (6-56). From your results, determine if 30 actual trays are adequate.
Transcribed Image Text:
Exit gas 25 °C 90 kPa kmol/h Liquid absorbent 25 °C 101.3 kPa Argon 6.9 144.291 535.983 Na Water Acetone kmolh 1943 22.0 Water 0.05 Feed gas 25 °C 101.3 kPa 30 Exit liquid 25 °C 101.3 kPa kmol/h Argon 6.9 144.3 N2 Water Acetone 536.0 5.0 10.3 kmol/h Оз N2 Water 0.009 0.017 1,926.0 Acetone 10.25
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