2 replies to this topic

[Avalon]

What are the procedures to design demister? I have calculated maximum gas capacity value, K, using the gas flowrate, diameter of the column and a 20% allowance. I have also seen some others calculating K based on the allowable/passable droplet size, but I was only tasked to design a demister for a cumene plant flash drum without any other information. Can someone offer some suggestions or confirmation on my calculation? I have no industrial experience and it is difficult to gauge my answer. 

 

These are my column specifications: 

Height: 363inches

Inner Diameter: 363inches

Operating Temperature: 186.06F

Gas flowrate: 1284 m3/hr

 

My calculations: 

K value = 0.16159m/s

K value (with 20% allowance) = 1.9390 m/s

 

Thank you!

[breizh]

Hi,

Consider the resources attached , more in the GPSA handbook.

Good luck

Breizh 

[Bobby Strain]

The column dimensions don't look right.

 

Bobby