Ethanol loss from tank surface 2

[IronMike]

Is there an easy method to estimate rate of ethanol loss from the surface of a tank?

 

[wms]

US Dept of EPA has a tank program, "TANKS 3.1" Also determine if a floating roof is required. Vapor pressure of 200 proof is 1.22 psia. 190 proof is 1.16 psia

 

[aminismaili]

It is require to know whether tank is closed or open top.

For a close tank ethanol loss can be calculated
based on tank filling rate , volume addition,
tank temp.,vent nozzle size , atm air temp and
wind velocity ,diffusivity of ethanol in air
from liq.surface.

Amin Ismaili

 

[IronMike]

WMS helped very much! Although my application was a dilute solution of ethanol in water, the Tank 3.1 program allowed me to estimate maximum loss from pure ethanol so that I had a number to show my environmental engineer. Thirty years after my last diffusion calculation, I needed a simple aid to answer a question. Thanks WMS.

 

[mv]

How do i get an access to this ?
"US Dept of EPA has a tank program, "TANKS 3.1"
Pls let me know
mv

 

[IronMike]

MV - The EPA web site has the program available for free download. Good luck. - IronMike

http://www.epa.gov/ttn/chief/software/tanks/index.html

 

What are the dangers from exposed concentrations from the ethanol in paint and paint compounds used in restoring chemical storage tanks.