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vapor venting from above ground HC storage tanks

vapor venting from above ground HC storage tanks

vapor venting from above ground HC storage tanks

(OP)
Does anyone have a spreadsheet program to make a reasonable estimate of tank venting losses resulting from solar heating?

RE: vapor venting from above ground HC storage tanks

Spoonbill:

If you are in the United States, have you had a look at the Section 4.3 of the U.S. EPA's publication AP-42? It deals with vapor losses from tankage.

Are you asking about fixed-roof storage tanks?  If you are, AP-42 addresses both breathing losses (i.e., losses due to temperature changes) and working losses (i.e. losses from loading into the tank or loading out from the tank).

Or are you asking about floating roof tanks, or variable vapor space tanks, or tanks with
vapor recovery systems?  AP-42 also addresses many of these tank types.

Milton Beychok
mbeychok@home.com
Air Pollution Dispersion Modeling
Visit my website to learn about "Fundamentals of Stack Gas Dispersion", a most comprehensive book on dispersion modeling of continuous, buoyant air pollution plumes. The site has published peer reviews and the complete Table of Contents.

RE: vapor venting from above ground HC storage tanks

The EPA also provide a TANKS program that calculates emmissions from tanks.

The program is free and available at

www.epa.gov/ttn/chief/tanks.html.

It's not a spread sheet but does come with complete documentation.

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