Hello,
I have 2 advise for you
1. build a reactor with cone-shaped bottom, and
insulate it well,
2. Start draining the by product as soon as you
practically can ( 99% of glicerin separates within 2 hors)
You may still have problems with draining (
especially to start it flowing) a strong hair dryer
can be very usefull to heat the outlet valve and
hose barb.
I also have similar problems to yours aspecially
when the temp drops below 15 deg C.
and I have to clean the bottom of the reactor
wessel after every batch.
When you make good and complete reaction, a bit
of by product will not screw up the wash.
Thanking of KOH Instead of NaOH can be a
permanent solution, for the by product stays liquid.
but it is more expensive.
Read JTF website for details on use of KOH
Kind regards,
Andrew
----- Original Message -----
Sent: Friday, August 11, 2006 4:46
PM
Subject: [Biofuel] glycerine layer
I am about to advance to a 30 gallon reactor. All
during my one and 15 liter educational phases, my glycerin layer has always
resulted in a semi solid jelly but the fuel always washes beautifully in four
washes to a crystal clear dark gold amber after drying. My current yield to
800 ml of fuel for every liter of WVO. If I am doing it right, the WVO
titrates to 7.5. My concern is the semi solid glycerin layer. When I build my
reactor, will I have to have a heater near this layer to be able to drain it,
or should the layer be more liquid?
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