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Thursday, March 18, 2010

Atmospheric storage tank normal venting based on API Std 2000 6th edition, Nov 2009 has been discussed in "Tank Normal Venting Rate Estimation Using Latest Method As in API Std 2000". Ankur, an experience engineer in Chemical industry, actively involved in CheResource Forum, has take his effort and time to program it in Microsoft Excel spreadsheet. Thanks to Ankur.

As reminder, the information and methods included within this spreadsheet are presented for common sharing and intended to be used by technically skilled persons at their own discretion. We do not warrant the suitability or accuracy of these methods.



Insulation type and recommended thermal conductivity have also been included in the spreadsheet for easy reference. The insulation type and thermal conductivity as follow :

Common Insulation Materials Average Thermal Conductivity, W/m-K 
Cellular glass  0.05
Mineral Fiber
0.04
Calcium Silicate 0.06
Perlite 0.07

Products contain volatile components or dissolved gases or flashing products may result adddtional volatile component / gases / vapor. This amount will increase the outbreathing rate.

Products stored at temperature above 40 degC or its vapor pressure higher than 5.0 kPa, products evaporation rate shall be added into outbreathing rate.


Read and download spreadsheet in "Tank Normal Venting Rate Estimation Using Latest Method As in API Std 2000".

* If you find any error or improvement,  please inform us.
**If you have any useful program and would like to share within our community, please send to me.

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posted by Webworm, 2:13 PM

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