most whiskey makers use copper in the production of 
drinkable alcohol. i can't see why biofuel requires
316 stainless. stainless is required in pharmacutical
and food processing ,but this is usually 304 stainless
as it welds better than 316 and is less expensive.
            regards,roger 
> Unfortunately copper isn't recommended for biodiesel - preferably all 
> components would be 316 stainless steel.  What I am looking for is an 
> off-the-shelf item that would serve the purpose for in-line vacuum 
> distillation for methanol recovery.
> 
> --- In [EMAIL PROTECTED], Terry Wilhelm <[EMAIL PROTECTED]> wrote:
> > The Revenoor Co., www.revenoor.com, makes all copper
> > stills ranging from 5 gallon removable tops to 1,000
> > gallon systems.  We have several people pulling 25
> > inches of vacuum on them.  Although those models have
> > been re-enforced somewhat.
> > Hope that helps
> > [EMAIL PROTECTED]
> > 
> > "movember" <[EMAIL PROTECTED]> wrote:
> > 
> > >Any suggestions for an off-the-shelf vacuum
> > distillation unit for
> > >recovering methanol from a home-built continuous
> > processor?
> > >If possible, send email to [EMAIL PROTECTED]
> > 
> > Preferably, send it here to the list - I'm sure a lot
> > of members 
> > would be interested.
> > 
> > Keith Addison
> > Journey to Forever
> > Handmade Projects
> > Tokyo
> > http://journeytoforever.org/
> > 
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