great, thanks for the tips. i won't continue to mix after the 55 galls in used
up, so I don't anticipate any short-term problems with the low mixtures.
Ed, I have tried to make biodiesel with the ethanol about 10 times with no
success. I am assuming it has to do with water content in the ethanol and I
have switched to methanol. at some point I would like to try to squeeze the
last bit of water out with 3A zeolite, but I don't have the $$ to do it right
now, nor a way to re-activite it at 300-350 deg C.
cheers,
Jack
oh yeah, quick follow up question for anyone with knowledge of engines...
a good chunk of our gasoline use is in 4-stroke Mercury outboard engines in our
boats. I assume that the 10% ethanol would be suitable for this as well?
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
----- Original Message -----
From: bratt
To: biofuel@yahoogroups.com
Sent: Sunday, March 23, 2003 7:04 PM
Subject: Re: [biofuel] ethanol mixtures
There are two more important consideraations when using ethanol or methanol
mixtures in gasoline.
One is the corossive nature of alcohol and its effect on seals, gaskets and
hoses. There is also mild corrosion of aluminum. Limiting the mix ratio
keeps it minimal.
The other is that addition of alcohol or methanol will raise the octane
rating, however, after reaching a certain point, adding more will drop the
octane reading, according to the lab at the local refinery. I did not get
figures, but If I were using up 55 gallons, I would use it in a 10 per cent
solution, just like the local gas station pumps.
EdB
----- Original Message -----
From: Jack Kenworthy
To: biofuel@yahoogroups.com
Sent: Sunday, March 23, 2003 4:42 PM
Subject: [biofuel] ethanol mixtures
can anyone tell me the maximum amount of ethanol that you can blend with
gasoline and burn in an unmodified gasoline engine? I have a 55 gall drum of
ethanol lying around that I can't make biodiesel with and I am looking for a
suitable use. thanks.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
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