Actually Glycerol is one of the intermediate steps in the complex 
enzyme reactions we know (and love) as "yeast fermentation"

Yeast MAKE glycerol(glycerine) from sugar before they make ethanol.

So any glycerine can be converted to ethanol by introducing it
(hopefully as purified as possible) into an active fermentation.

AllanD


--- In biofuel@yahoogroups.com, <[EMAIL PROTECTED]> wrote:
> on 6/15/04 7:35 AM, tomasjkn at [EMAIL PROTECTED] wrote:
> 
> > It seems to me, that there should be a direct chemical
> > conversion route from oil to fatty acid methyl esters.
> > 
> > (R-COO)-CH2-(R-COO-)CH-CH2-(-COO-R) +3H2 ==> 3 R-COO-CH3
> > 
> >
> 
> Unfortunately, the ester linkage will always be much easier
> to break than the C-C bonds in the glycerol. I don't believe
> what you're suggesting would be possible.
> 
> 
> > 
> > Or, perhaps a less radical idea, but achieving the same
> > economy: Maybe there is a route to convert your waste
> > glycerol into methanol?
> > 
> > CH2OH-CHOH-CH2OH + 3H2 ==> 3 CH3OH
> > 
> >
> 
> This one is much more likely -- there are probly bacteria or
> yeasts that could break down a simple sugar like glycerol
> directly to methanol. If not, they could certainly be
> bioengineered :-)    -K
> 
> 
> 
> 
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