if you make your solar collector strong enought,you
can use vacuum distillation at solar collector
temperatures to distill ethanol.
regards,roger ([EMAIL PROTECTED])
> Okay, so solar stills are available, but do not produce a very high
> ethanol concentration with distillation. What about using solar
> energy to preheat your solution before it reaches a regular still.
> If you could preheat with solar power, less energy would need to be
> input it to the final distillation processes.
>
> Randall
>
> --- In [EMAIL PROTECTED], Keith Addison <[EMAIL PROTECTED]> wrote:
> > >I am new to this group so this may have already been answered
> before,
> > >but I have not been able to find any information on it yet.
> > >
> > >I keep seeing information about energy use for distillation being a
> > >limiting factor using ethanol as an alternative fuel source. Has
> > >anyone looked into using some sort of solar collector to provide
> the
> > >heat (or at least some of the heat) needed for distillation?
> > >
> > >Randall
> >
> > Hi Randall
> >
> >
> http://journeytoforever.org/biofuel_library/ethanol_manual/manual15.ht
> ml
> > Alcohol Fuel Manual Ch15
> > Chapter 15
> > SOLAR STILLS
> >
> > Also:
> > http://journeytoforever.org/ethanol_energy.html
> > Is ethanol energy-efficient?
> >
> > Best
> >
> > Keith Addison
> > Journey to Forever
> > Handmade Projects
> > Tokyo
> > http://journeytoforever.org/
>
>
>
> Biofuel at Journey to Forever:
> http://journeytoforever.org/biofuel.html
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