[biofuel] Re: ethanol distillation

2002-02-08 Thread randallbarron1

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/


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[biofuel] ethanol distillation

2002-02-07 Thread randallbarron1

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


Biofuel at Journey to Forever:
http://journeytoforever.org/biofuel.html
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