I was planning on dismantling two of my old reactors and wash tanks
because
I am now using bigger equipment, but I thought I'd offer them for sale
first before scrapping (and reusing) the parts.
They're built from an upside down barrel, with a heating element, drain
and separate dip tube for removing clean biodiesel, and have a removable
lid with silicone gasket. They are flat-bottom, not conicals, but there is
a dip tube for doing separations 'off the top' of the glycerol so they work
about as well as a conical. They come with a wash tank that uses a
'standpipe' for separating water and biodiesel so that you can re-use your
last wash water for the next batch. They make about 42 gallons per batch
and use 42 gallons of oil and 8.5 gallons of methanol. The tanks are
heavily insulated with recycled bubblewrap. I want $350 for the system.
I don't have very good photos of these posted on the internet- but here's
a link to a photo of one of these two-barrel (reactor and wash tank)
systems in it's
newer shinier days- http://www.journeytoforever.org/biodiesel_bubblewash2.html
People who have been to Jennifer Radtke's homebrew workshops have also seen
this exact design- it's simple and if you build it yourself, the parts for
the reactor are about $120 or so, plus another $30 for the wash tank
parts). I'm selling mine for more than that of course.
If you prefer to build your own and save some cash, I've got
instructions for a few different reactors at www.veggieavenger.com/media.
Plans for and photos of the wash tank are at
http://www.veggieavenger.com/avengerboard/viewtopic.php?t=333
I'm teaching an equipment-building Intensive class in Santa Cruz on
April 10
and 11 as well.
The Price: I'm selling these used reactors/wash tanks along with some new
'extras'
for $350 This gets you a reactor and a new standpipe wash tank, a pair of
carboys for methoxide mixing, and a polyethylene air bubbler tube (ie a
bubblestone that won't dissolve) for bubblewashing. If you prefer
mistwashing, I can make you a misting head instead.
You will also need to buy a pump (can be a drill pump or a $25 barrel pump
from Harbor Freight), will need access to electricity and a water hose,
some milk crates
or a stand for the tanks to sit on, as well as a scale (flea market) and
some simple titration gear ($10), and an aquarium air pump (about $10)),
and a filter ($20) ( I can help you find some of this stuff locally).
Make up your own mind on whether this is worth the money or not- its' not
a 100% complete system but it's close..
mark
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