href="http://www.southwestbioenergy.com/html/news_release__.html">Southwest
BioEnergy has announced a plan to build a
href="http://www1.eere.energy.gov/biomass/">biomasss
electrical generation facility in
href="http://www.google.com/maps?q=Vado,+NM,+USA&sa=X&oi=map&ct=title">Vado,
New Mexico. Vado is rather close to the middle of
nowhere, but it also happens to be very close to a whole lotta cattle
and cows. Said quadrupeds produce about 275 tons of
manure per day.
face="Helvetica, Arial, sans-serif">
Sounds like a joke, but it is not. They think they can
squeeze five megawatts out of what otherwise would
be waste material. They may be able to scale that up to 18
megawatts. Their news release is a bit vague, but they do
reveal that they will use a "non-polluting"
href="http://egov.oregon.gov/ENERGY/RENEW/Biomass/bioenergy.shtml#Pyrolysis">pyrolytic
technology.
Such facilities will not by, themselves, meet all our energy needs, due
to practical limitations. They are practical only when
located near large supplies of manure. Washington D.C. comes
to mind.
(HT:
href="http://alternativecomment.blogspot.com/2007/05/five-megawatt-biomass-plant-to-be-built.html">Alternative
Comment)
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Would human sewage work?
Science Daily has an article on using "biochar" to increase soli carbon storage -and soil fertility:
http://www.sciencedaily.com/releases/2007/05/070511211255.htm
In this case, they want to anaerobically heat the material (animal or plant waste), and use the liberated volatiles, but bury the carbonized remains. They estimate 10% of US carbon emmisions could be seqestered in this manner.