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DIY Distillation Columns - Page 5

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Posted by Steve Ackman on January 12, 2010, 9:01 pm

10:19:56 -0500, Curbie, jim.richards65@yahoo.com wrote:

  Methane is pretty well regarded as a stationary fuel.

  There's no such thing as an illegal crop... only
regional laws against certain crops.  IOW, if you
live in Canada, you're perfectly free to grow hemp.  
Likewise in many other countries.

  Yes, it's a political hurdle in most of the US,
but not an insurmountable one.  For instance, there
are farmers legally growing hemp in North Dakota,
and Oregon has legalized hemp as well.
  Strictly speaking, it's not even illegal to grow
in the US at all... since 1970, you "just" need to get
a DEA permit.

  This chart is quite dated, but shows that the legal
status of hemp is nowhere as homogenous as you seem
to imply.,, even as of 5 or 6 years ago:

  Jerusalem artichokes would have more food value, I
would think, and I suspect higher soil requirements.
I've grown it before, but only for the tubers.
  Switchgrass... I know nothing about except it was a
big buzzword a few years back.

  Ah, ok.  Doing a 'wget -r' on it.  Strange it's by
TMEN, but published on a Japanese site.  You'd think
TMEN would have it on their own site.
  Looks like journeytoforever has quite the farm
library as well.  :-)


Posted by Curbie on January 13, 2010, 3:43 am


You need to store a mobile fuel somehow, if you take any standard
D.O.T. 10,000 P.S.I fuel tank of any volume, Methane holds 3.5 times
as much energy  as Hydrogen, but the one that holds 3.5 more is
"considered" stationary while the one that holds 3.5 times less is
considered to have mobility potential. Who ever is doing the
considering for energy density (what I was referring to), didn't
consider Gas Law.

"Hemp is illegal to grow in the U.S. under federal law due to its
relation to marijuana, and any imported hemp products must meet a zero
tolerance level. It is considered a controlled substance under the
Controlled Substances Act (P.L. 91-513; 21 U.S.C. 801 et seq.). Some
states have defied federal law and made the cultivation of industrial
hemp legal. These states - North Dakota, Hawaii, Kentucky, Maine,
Maryland, Montana, West Virginia, Vermont, and Oregon - have not yet
begun to grow hemp due to resistance from the federal Drug Enforcement

Industrial growth under license
Industrial hemp production in France Licenses for hemp cultivation are
issued in the European Union, Canada, in three states of Australia,
and nine states in the United States."
End Quote:

The bottom line is that if someone wants to grow a feedstock for
ethanol (especially on a home-scale) hemp is a moot point, the
proposed licenses are for Industrial growth and they aren't being
recognized at a federal level yet.

The tubers are used as the feedstock for ethanol; Jerusalem Artichokes
are roughly 900/acre, switch-grass yeilds about 1200.

No, mostly search motors, and like I said, "I've taken a pretty hard
look at mobile fuels (SVO, Bio-diesel, Ethanol, Methane, Hydrogen, and
Electricity)". I've read every alternative energy web-site I've run
into over last few years, including foreign sites, they seem to be
more serious about alternative energy.

TMEN's web-site is all about the money and JTF's site is all about the
help. You're right JTF's library is a great resource.

Good luck,


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