copper is a time-honored material applicable for use in alcohol stills. Steve Spence Subscribe to the Renewable Energy Newsletter: http://www.webconx.com/subscribe.htm
Renewable Energy Pages - http://www.webconx.dns2go.com/ Human powered devices, equipment, and transport - http://24.190.106.81:8383/2000/humanpower.htm [EMAIL PROTECTED] ----- Original Message ----- From: "janandjoe" <[EMAIL PROTECTED]> To: <biofuel@yahoogroups.com> Sent: Wednesday, February 13, 2002 5:50 AM Subject: RE: [biofuel] Re: ethanol distillation > I am currently experimenting with adapting copper cylinders which are heated > via a coil using solar collectors, as a processing vessel for some stage of > biofuel making. The reasoning is that I work for a company installing solar > thermal systems and we usually replace the existing copper cylinders - their > scrap value is minimal, so this is possibly a way to add some value to the > copper cylinder and provide a simple vessel for small batch processing of > biofuel ( eg.suitable for farmers) I realise that copper is not the most > suitable material due to its chemical reactivity - but there does seem to be > scope for its less problematic use at the heating stage.. > > Jan > > -----Original Message----- > From: randallbarron1 [mailto:[EMAIL PROTECTED] > Sent: 08 February 2002 14:42 > To: biofuel@yahoogroups.com > Subject: [biofuel] Re: ethanol distillation > > > 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 > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > ------------------------ Yahoo! Groups Sponsor ---------------------~--> Get your FREE credit report with a FREE CreditCheck Monitoring Service trial http://us.click.yahoo.com/ACHqaB/bQ8CAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
