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Zeke,
Did you replace the hoses
in your VW w. viton hoses?
BD seems to be able to
penetrate rubber hoses and gaskets. My washed BD caused a gasket on my storage
tank (washed BD) to swell and leak. It also became "floppy"/spongy. It was
exposed to 100% BD 24/7 for 6 - 7 months.
A friend, using washed BD,
found the fuel lines in his VW Rabbit PU truck started to "weep" within a month
or so. He replaced the weeping hoses w. viton hoses .... no
problem.
I have a rubber sleeve
around the fuel filler neck of my '82 Mercedes. It has begun to dissolve
from the drips of washed BD over the past 10 months.
I have a T in the fuel
line to my "oil" burner. It allowed me to experiment w. increasing BD blends in
a small tank while still being able to switch back to the 30% blend in my large
tank. I have valves in the line to switch between tanks. I now burn 100% BD from
the smaller tank. After 4 months, the valve in the 100% (washed) BD line
began to leak ... no problem w. the valve in the 30% BD line. Upon
inspection, there's a small rubber or plastic seal in the valve. I
replaced the valve w. a small ball valve.
The effects of material
incompatibility between washed BD and rubber seem to vary ... from
penetrating, to swelling to actually dissolving the rubber.
Tom
----- Original Message -----
Sent: Tuesday, June 27, 2006 9:42
PM
Subject: Re: [Biofuel] Tanks for storing
Biodiesel
Good point. One question I have on the tendancy of
biodiesel to dissolve stuff. How much of that is due to biodiesel
itself, and how much is due to unwashed biodiesel which may still contain
methanol and such? Though hopefully no methoxide any more. I
know my ASTM biodiesel that I bought is still trying to eat the new fuel hoses
on my VW, so that shouldn't be attributable to methanol in there, but of all
the anecdotes we hear about biodiesel eating lines, how many of those people
are using unwashed biodiesel?
On 6/27/06, Mike
Weaver <[EMAIL PROTECTED]> wrote:
I'll
try that - bear in mind this epoxy was exposed to methoxide, not
finished
BD. The methoxide really did a number on it. It may
well be
fine for BD storage and washing.
Thomas Kelly
wrote:
>Mike,
> I used JB Weld
(epoxy?) to attach some fittings to my settling tank and
>to my wash
tank. It has held up very well to biodiesel
exposure.
>
Tom
>----- Original Message -----
>From: "Mike Weaver" <[EMAIL PROTECTED]>
>To:
<biofuel@sustainablelists.org>
>Sent:
Tuesday, June 27, 2006 12:57 PM
>Subject: Re: [Biofuel] Tanks for
storing Biodiesel
>
>
>
>
>>Methoxide
seemed to chew up my epoxy pretty good...
>>
>>Thomas
Kelly
wrote:
>>
>>
>>
>>>Will,
>>> Thanks
for the reply. I dropped a light inside the tank. The
>>>inside
walls are a smooth light tan color.
>>>
I decided to put some BD in one of them. I have 3 - 4 months
>>>until heating season. We'll see what happens between now and
then.
>>> Tom
>>>
>>> -----
Original Message -----
>>> *From:* Will
Kelleher <mailto: [EMAIL PROTECTED]>
>>> *To:*
biofuel@sustainablelists.org
>>> <mailto:
biofuel@sustainablelists.org>
>>> *Sent:*
Monday, June 26, 2006 4:44
PM
>>> *Subject:* Re: [Biofuel] Tanks for
storing
Biodiesel
>>>
>>> Tom,
>>>
>>> I know that some drum manufacturors
sell 55 gallon steel drums
>>> with an
epoxy lining. This could be the case with your
methanol
>>> drum. I don't
think the biodiesel will dissolve the epoxy, but I
>>> don't know for sure. Hope
that helps.
>>>
>>> Will
Kelleher
>>>
>>> On 6/18/06,
*Thomas Kelly* <[EMAIL PROTECTED]
>>> <mailto:[EMAIL PROTECTED]>>
wrote:
>>>
>>> Hello
to
all,
>>>
I would like to start storing some biodiesel to be used
>>> as heating
fuel this
winter.
>>>
I have two 55 gallon (209L) drums that methanol came
in.
>>> They are
blue tanks with "VP Racing" on them. I was told that
>>> they are
only used for methanol and "are lined"
with
>>> something.
I plan to tee them into my heating fuel
line.
>>>
Will they make suitable tanks for storing biodiesel? I'm
>>> a bit
concerned about the lining. It is apparently a
feature
>>> that
makes them more valuable for methanol storage, but
will
>>> biodiesel
dissolve
it?
>>>
Tom
>>>
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