> Ahh, there is a hen and there is an egg, but we don't know which is
> which ?
> F.ex. I was thinking about a conventional power station's cooling
> water being
> used to run vacuum alcohol distillation. Energy cost is essentially
> zero and the
> temperature is exactly right. And there is a *LOT* of that kind of
> power being
> tossed out. Power stations are only 40-50% efficient. I wonder if it
> is this
> kind of 'fossil fuel' the powers that be took into calculation when
> they decided
> that alcohol production is 'not economical' ? <g>

Here people use waste water from a geothermal power plant to raise
shrimps.

Someone's pictures thereof

    http://yobaby.smugmug.com/keyword/jul/1/32271952

    End product

            http://yobaby.smugmug.com/photos/32271952-M.jpg


DIRECT HEAT UTILIZATION OF GEOTHERMAL RESOURCES

        http://geoheat.oit.edu/bulletin/bull17-3/art20.htm

The station (400k jpg)

        http://www.richard-seaman.com/Wallpaper/NewZealand/NorthIsland/WairakeiGeothermalPowerStation.jpg

Excellent panorama of Wairakei Geothermal Power Plant & valley
186k

        http://www.complang.tuwien.ac.at/anton/photos/nz2004/small/0115_simg.jpg


NZ tour that the above came from

        http://www.complang.tuwien.ac.at/anton/photos/nz2004/small/

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