Bubble Cap Tray is one of the earliest mass transfer devices.The advantages are not easy to occur the phenomenon of liquid leakage, good operation elasticity. When the gas liquid has a large fluctuation, it can still maintain almost constant plate efficiency, the tray is not easy to block, suitable for processing various materials.Disadvantages: tray structure is complex, high cost, thick liquid layer on the plate, tortuous gas flow path, tray pressure drop, fog entrainment phenomenon is serious.
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