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Wood Gas or Syngas Gasification of Bio-Mass - Page 10

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Posted by harry on October 26, 2009, 7:18 pm
 


On Oct 25, 6:51 pm, "Malcom \"Mal\" Reynolds" <atlas-
bug...@invalid.invalid> wrote:

"Firewood trees"
Here in Europe there are easily available GM trees intended for
"SRC" (Short Rotation Coppice).  They grow seven or eight feet a year
when established.  You get your first real crop after three years.
If you have low lying land they can be willows.  Better drained
ground, use poplars.  In the far North they are harvested like corn
when the ground is frozen (often bog land is used)
The information you are after is here:-
http://en.wikipedia.org/wiki/Short_rotation_coppice

Posted by Curbie on October 26, 2009, 9:32 pm
 


Harry,


Interesting article, I went there looking for yields: "A plantation
will yield from 8 to 18 tonnes of dry woodchip per hectare per year. A
plantation can be harvested for up to thirty years before needing to
be replanted."

Curbie


Posted by Malcom \"Mal\" Reynolds on October 22, 2009, 6:50 pm
 

In article
<2ap0e5pqrr7ipenpti6639lj4j904lhi0i@4ax.
com>,
 wrote:


If you are going to grow algae,
bio-diesel is a much better way to go.
I've seen a process that led me to
believe that you can ferment the remains
to make alcohol and the remains of that
make a high-protein animal feed...which
means you can use the manure to either
run the fermentation process or to feed
the algae





Posted by Curbie on October 22, 2009, 8:11 pm
 

Hi Mal,


Pressing oil from lipid baring algae is what got me thinking about
algae for bio-gasification in the first place. If I can get a stain of
lipid baring algae for grow in an open raceway (saving the cost of a
photo-bio-reactor) I still would be left with a lot of bio-mass, if
the remaining bio-mass exceeded my composting needs (my second need)
there still may be room for some bio-gasification.


To ferment alcohol, your chosen strain of algae would need to contain
BOTH lipids (oil) AND some sort of sugar; what stain are you using,
I've been testing Dunaliella tertiolecta.


I don't know what you've found, but for me a particular non-indigenous
stain of algae is a bit picky about the type and ratio of feed, I've
found that deviating from the non-indigenous strains exact nutrient
requirements seems to invite indigenous strains to come crash the
party.

Curbie


Posted by Malcom \"Mal\" Reynolds on October 22, 2009, 11:45 pm
 

In article
<p1f1e51pnqm95ah9v8h74hio71dtdnokql@4ax.
com>,
 wrote:


I'm not using anything. I was watching
some show on the Green Network and they
were visiting someone in a lab that was
growing algae to extract "oil". The way
the rest of the segment talked about the
remains led me to believe the part about
fermenting it for alcohol. The rest of
my thoughts just follow what you could
do.





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