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The liquid flowrate in a column is 15 000 kg/h. The SG of the liquid is 0.8. The diameter of the column is 2.9 and
The liquid flowrate in a column is 15 000 kg/h. The SG of the liquid is 0.8. The diameter of the column is 2.9 and the weir length can be taken as 0.77 of the column diameter. For a 70% turndown, calculate the minimum weir crest (in mm liquid). Your answer should be to 2 decimal places (eg., 19.45). Answer: The vapour flowrate on a tray is 17 500 kg/h. The density of the vapour is 1.9 kg/m. The column diameter is 2.1 m. Calculate the maximum vapour velocity in m/s. Assume the down-comer area is 12% of the total column area
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