Try to heat the mix or use hot water for the wash. I had some problems and
ended up using some vinegar to separate the emulsion.
Good luck. Derick
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Kenji James Fuse
Sent: Wednesday, March 01, 2006 4:01 PM
To: Biofuel@sustainablelists.org
Subject: [Biofuel] stuck in wash cycle
So I have a 60 litre batch in my wash tank that's not doing too well. New
source of not-so-good-quality used oil; didn't do a titration (doh!);
reacted well (two-stage base-base); didn't do a wash test (double doh!).
The first wash produced a really milky wash water, and the fuel was
ever-so-emulsified. I went ahead and did a second wash, hoping for the
best. It's still ever-so-emulsified (yellowish-orange, cloudy, with a few
wisps of what seems like emulsion). I think it will settle in the next few
days, but...
I'm out of fuel and I don't want to go to the service station. So a couple
of questions:
I'm thinking of dumping some good-quality, filtered wvo in my tank, which
has about 15-20 litres of washed biodiesel in it. I'm worried about washed
biodiesel reacting with the straight veggie. Any thoughts? THe biodiesel
was pH 7 (litmus paper), and washed four times, specific gravity 0.880,
really clear. I never thought about what happens mixing ASTM biodiesel or
near-ASTm bioD with veggie before.
Any feedback greatly appreciated.\
Kenji Fuse
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