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Can 10% Ethanol blended Gasoline be stored in Floating roof tanks.
 
Answers
25/12/2020 A: J Rout, B. Tech, routjhr@gmail.com
Fixed internal floating roof tanks are preferred to ethanol blended gasoline storage. API RP 1626 may be referred to. External floating roof tanks are not advisable.
30/01/2020 A: Sridhar Balakrishnan, Bharat Oman Refineries Limited , laksrid@yahoo.com
Refer API document for ethanol blended gasoline API RP 1626 : 2010 Publication , "Storing and Handling of Ethanol and Gasoline-Ethanol Blends at Distribution Terminals and Service Stations"
29/01/2020 A: Eric Vetters, ProCorr Consulting Services, ewvetters@yahoo.com
I don't know for sure but doubt you would want to do it. Too much chance of getting water in your gasoline if you get some water leakage into the tank. The ethanol will pull water into the gasoline.