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Posted by Richard W. on April 11, 2009, 6:30 pm
 


Have you seen this article?

http://green.yahoo.com/blog/ecogeek/1023/venice-to-use-algae-for-50-of-its-electricity.html

I wonder if they intend to do it the same way you are talking about?

Richard W.



Posted by Curbie on April 11, 2009, 7:37 pm
 
wrote:


Richard,

Not rnough information tot tell? The general process is
exactly the same concept as bio-fuel except growing algae in water
instead of oil or sugar producing crops on land, the planting and
harvesting are different (obviously) with algae (easier), but the
processing into Bio-fuel is generally the same.

Like so many things there are successful large-scale commercial
ventures, there is no clear path for small-scale home-power. Pay
attention to start-up companies that look to raise capital, a lot of
times they publish way too much information (to attract investors)
that disappears with they get investors (investor protecting their
investment).

The University of Texas has a big database of algae of which you can
buy samples http://www.utex.org/
Their database include nutrient ratios for non-indigenous algae
(photo-bio-reactor time), for small-scale bio-fuel I still like land
grown crops better (mainly just a well beaten path), but THERE is the
"got'cha" for suburbanites, not enough land and algae may be a
solution for them?

I like bio-fuels and if you have enough land, I wouldn't play algae
until you're settled in with production and I.C.E. conversion, there
is a LOT to do just with that. I will be doing some home-scale
bio-fuels and am considering algae production in a raceway for
compost, it seems it could make a smooth transition IF (big IF) a
suitable indigenous algae could be captured, but if not tons of
compost is still worth the effort.

Curbie


Posted by user on April 12, 2009, 3:32 am
 Curbie wrote:

http://green.yahoo.com/blog/ecogeek/1023/venice-to-use-algae-for-50-of-its-electricity.html

Last time I checked with soybeans you get about 2 gallons of oil per
bushel (yields run about 40 bushels per acre)or about 80 gallons per
acre. Castor beans would be better, they can supply up to 141 gallons of
oil per acre. That's about 5640 miles in a VW diesel.

Posted by Curbie on April 12, 2009, 3:53 pm
 Richard,

Mold, you bring up a good point I hadn't even considered, I hoping
that with the variety of crops suitable for bio-fuels, that I can find
one or two that grows well for my circumstances. As I said though, I'm
looking harder at ethanol, but bio-diesel which requires ethanol (or
methanol-not an option for me) is a fall-back position. However,
bio-fuel is an important part of my plan.

Besides general "economy of scale" considerations, bio-fuels seem to
be one of the few ideas that translate well between large and small
scale operations. To me anyway.

Curbie



Posted by Richard W. on April 13, 2009, 12:01 am
 

Did you notice that the oil seed cake can be used in the biogas digester to
make cooking or heating gas.

http://www.tinytechindia.com/biogas.htm

Richard W.



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