different real story in the list archives links I gave Andy. Not just
what a few backyarders think but what some major industry figures in
the US and Europe think too. Biox and Boocock, naah.
> http://infoarchive.net/sgroup/biofuel/35434/
>
> http://infoarchive.net/sgroup/BIOFUEL/35449/
Best wishes
Keith
http://www.esemag.com/0501/diesel.html
The BIOX process, a new biodiesel process developed by the
University of Toronto, has successfully demonstrated, in a
laboratory setting, that biodiesel fuel (produced from recycled
vegetable oils, agricultural seed oils or waste animal fats and
greases) may soon become a viable, cost-competitive alternative to
petroleum diesel.
Professor David Boocock of the University of Toronto, and developer
of the BIOX Process, has examined the process of base-catalyzed
transesterification (specifically transmethylation) of vegetable
oils to produce biodiesel methyl esters. The kinetic data for this
reaction has been previously misinterpreted. At the University of
Toronto he has shown that the methanolysis is slow because the
initial reaction mixture consists of two phases, and the reaction
is, therefore, mass transfer limited.
The problem has been solved by the selection of inert co-solvents
that generate an oil-rich one-phase system. This reaction is 95%
complete in ten minutes at ambient temperatures, whereas previous
processes required hours. Continuous processes are now feasible. The
acid catalyzed process, which is required when the substrate
contains fatty acids, is complete in minutes rather than the usual
several hours.
Andrew Cunningham wrote:
Keith,
I haven't found anything to expect an enzyme in the Biox reaction. I
<snip>
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