The authors propose to flood packing bed in columns with this structured packing before starting a process in the columns below loading line.
For flooding sometimes during the operation of the column, the column can be equipped by additional spray nozzle.
To obtain pre-wetting of the both sides of the packing element in an industrial packed columns for heat and mass transfer, the authors propose to flood the packed bed.
We need to flood the packed bed before starting a process in the column.
Angle of the line on the fig.3 increases abruptly.
Wide liquid film was torn and transformed in narrow jet.
As a result of reduced width of the fluid film, number of slits that are passed the liquid to the back side of the packing element decreases.
This is the reason of decreasing the number X when the flow rate of liquid below than 10 ml/s.
March 2014
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