into a downcomer, which takes liquid by gravity to the tray below.2 Gas flows upward through the openings in the sieve tray, bubbling through the liquid on the tray. Depending on the water and air flow rates, spray, froth, emulsion, bubble, and cellular foam flow regimes can occur in a sieve tray. There are four instances that can reduce the operating efficiency of the sieve tray: entrainment flooding, entrainment, weeping, and downflow flooding. Entrainment flooding is where both downflow flooding…
Words 6390 - Pages 26