mark - do you mean doing a reprocess test on the clear biodiesel that I just
made? I haven't done that yet, but it still isn't all that easy to wash so
maybe I'll try that. when the batch that came out clear was done, there were
many variables changed, such as more drying of oil, MUCH finer filtration of
oil, a bit more lye, and higher proces temp - so I have to go back and try to
suss out what the variable or combination of variables was that caused the fuel
to clear right away after process. I'll keep you posted.
jk
Jack Kenworthy
Sustainable Systems Director
The Cape Eleuthera Island School
242-359-7625 ph. 954-252-2224 fax
www.islandschool.org
----- Original Message -----
From: girl_mark_fire
To: biofuel@yahoogroups.com
Sent: Saturday, March 15, 2003 12:06 AM
Subject: [biofuel] Re: some results
Jack,
I'm still really curious about your problem and the troubleshooting
of it. You are working with a closed processor if heating that high,
right? (After I suggested you up the temperature my boyfriend just
had a little accident with methoxide- working indoors, heating the
oil to a high tempeature like you are- and he got some weird puffing
up of his drum lid from the extra vaporizing or something. The fumes
got out of the lid (not entirely 100% enclosed), blew back into the
methoxide mixer, puffed it out, knocking it over, and he got serious
dose of fumes trying to deal with the situation. ARGGH)
anyway , I am wondering if you've done a reprocess test on it yet.
I;m curious is that shows anything different... do the same tests you
reported (as in, the same methanol/lye amounts) since as I said I
don't know exactly how little methanol/lye to suggest on a reprocess.
congratulations!
mark
--- In biofuel@yahoogroups.com, "Jack Kenworthy" <[EMAIL PROTECTED]>
wrote:
> folks -
> a couple of things have together at once to dramatically improve my
results. first, effectively dewatering the oil. bringing to 60deg
C, holdig for 30 mins and letting cool over night. then reheating to
140 for processing to allow for cooling with methanol introduction
and process time. Additionally, I have added a 20 micron filter to
get nasties out of the oil before processing. voila, clear
biodiesel. Joy! I am washing tonight, so I will let you know how
that stage goes, but at least the first problem is clearing
up...literally.
> I have a somewhat different question to ask folks here (Hakan?) I
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