Mike I have the same problem, I have been washing with vinegar first for about
3 hours and letting it settle for 8 hours before i drain off the vinegar and
add the water, then I only use 1 gallon of water (room temp) to 40 gallons of
biofuel. wash for 1 hour and let settle for 4 hoursdrain off any excess water
and add 3 gallons of room temp water. wash for 8 hours and let settle for 8
hours, drain off any excess water and reheat fuel to 250 degrees F and hold
until all steam bubbles are gone. Let it cool off and decant biodiesel, it
shoul be fairly clear and when you run it through a filter it will clear up
even more. Hope this helps.
Eric
----- Original Message -----
From: Mike Brownstone
To: biofuel@yahoogroups.com
Sent: Sunday, July 29, 2001 2:13 AM
Subject: [biofuel] Washing the biodiesel
I'm struggling with the washing of the biodiesel. I get a low return (50%)
and a lot of creamy mayonnaise.
During the processing I get a good glycerin drop (15%) using Foolproof on
used veggie oil. Everything looks good until the wash when I add the
vinegar and water to the biodiesel start the bubbling and watch the mayo
form.
There is very little water in the processing and my understanding is that
any excess methanol or lye will wash out. Could the temperature of my
washing water or composition ( tap or faucet water from municipality) be the
cause?
Stuck on the final stage!!!
Mike
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