you can just add water to the gas and the water and gas will "bond" - and sink 
to the bottom.  This is how we actually test for how much ethanol is in the 
gas...   HOWEVER if you remove the alcohol from the gas - you also lower the 
octane...  And can bump it up with good octane boosters... but then you have 
gone full circle and would be best to just get ethanol free gas....

Looking forward to when the aviation 100UL is readily available (and the price 
comes down as it replaces the 100LL).

M.
________________________________
From: KRnet <krnet-boun...@list.krnet.org> on behalf of Flesner via KRnet 
<krnet@list.krnet.org>
Sent: Friday, September 30, 2022 2:37 PM
To: krnet@list.krnet.org <krnet@list.krnet.org>
Cc: Flesner <fles...@frontier.com>
Subject: KRnet> question for chemist



I found the following on the internet:

"Water is absorbed into ethanol because water molecules are small enough to fit 
between the larger ethanol molecules."

Question: If I have a fuel strainer that blocks water but will pass gasoline 
can I add water to gasoline containing alcohol and then pass the fuel mixture 
through the strainer to remove the water / alcohol mix?  Will the alcohol 
separate from water and pass through the strainer?  IF this process removes the 
alcohol from the gasoline what is the amount of water needed to remove 10% 
alcohol from 5 gallon of gasoline?

There has to be a catch here or everyone would do it.  I have a dozen or more 5 
gallon fuel containers that I used at one time to get free 100LL from the waste 
barrel and filter for use in the KR.  That option is no longer available and $6 
a gallon 100LL is not a great incentive to go flying.

Inquiring minds want to know?????????????

Larry Flesner

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