Roger,
It is often referred to as algae ..... algae, being photosynthetic
should require light.
I believe the microbe(s) is/are bacteria.
I recently returned from Florida, US ..... ~1100 miles ..... with a
1985 300CD for my wife. The car hadn't been driven much, and I ran into fuel
filter problems. We eventually pulled the tank and found sheets of black
stuff. Diesel mechanics said I had an "algae problem". They added some
diesel fuel and some "treatment" after pressure washing the tank.
This occurred while running on petro diesel. The microbes can grow on
BD. It seems to be more of a problem if water is present. I have
washed/dried BD in my 275 gal "oil" tank for my heating system for about 6
months each of the last few years w/o any problem.
Biocides are available for treating diesel fuel to prevent the growth
of little beasties.
I avoid it myself.
It is best not to store BD, especially if derived from soy oil, for
more than 3, 4 (6?)
months; polymerization. Then again, I have a sample of BD from early test
batches that is about 4 years old. It appears to be fine.
Tom
----- Original Message -----
From: "Roger" <[EMAIL PROTECTED]>
To: <biofuel@sustainablelists.org>
Sent: Tuesday, June 03, 2008 11:06 AM
Subject: [Biofuel] Algae In Storage Tank?
> I've been warned of this but haven't seen any thing yet. I keep my
> finished biodiesel in a 275-Gal Oil Tank. Someone my dad was talking to
> said they had problems with algae growing in their tank. Just wondering
> if any one else has encountered this and if there is something I can do
> to prevent it.
>
>
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