If there are any drying oils present in the oil (such as linseed, fish or
flax-oil), oxidation of
the relevant unsaturated fatty acids can be expected to form a polymeric
film on the
biodiesel/air interface. It reforms every time the surface is broken until
it is all reacted with
the air. I
Ad hoc comment:
One of the issues that tugs at me when I have seen recent debate (or
quasi-science or shouting) over whether some of the biofuels are
sustainable is that the fuel itself, if it is a relatively simple
standardizeable not-horrifically-toxic chemical, is a somewhat
*separate issue*
Paul,
Is tallow biodiesel more likely to form soaps? I always assumed that skin
is a sign of soaps, though I haven't made any fuel that skinned in a long
time. This would be washed out.
Mark
At 09:39 PM 12/11/2002 +1000, you wrote:
Michael,
have noticed that raw biodiesel from tallow readily
Lots of interesting chemistry coming out of this thread, but I do wonder
whether the answer might not be in the physics rather than the chemistry of
the process. Possibly the glycerol has not fully settled when the upper
layers of ester are syphoned off. Then, when the lower level is exposed to
Kirk sent me this:
http://www.zapworld.com/news/zapcar.htm
ZAP! Electric Vehicles
Biofuels at Journey to Forever
http://journeytoforever.org/biofuel.html
Biofuel at WebConX
http://webconx.green-trust.org/2000/biofuel/biofuel.htm
List messages are archived at the Info-Archive at NNYTech:
It sounds like it would help the nascient Australian Ethanol industry
if there was a 10 percent legal limit installed until such time as
flex-fuel vehicles were made available which could more readily (under
full warranty) process and use blends of 20 percent and more. At that
point
- Original Message -
From: girl mark [EMAIL PROTECTED]
Paul,
Is tallow biodiesel more likely to form soaps? I always assumed that skin
is a sign of soaps, though I haven't made any fuel that skinned in a long
time. This would be washed out.
Mark
Mark, can't answer that one, have
The skin will be mono/diglycerides that have not been reacted. If you work it
out stoichometrically (using molar quantities from a known fatty acid profile)
your yield of products should be:
(Esters) minus (glycerol) minus (catalyst) minus (molar excess of MeOH).
So you if have less esters than
A couple of years ago I read a small article in a newspaper announcing then
president Clinton's Executive Order 13134 related to increasing the use of
bio-based products in specific measurable ways. This spurred a vision of the
role hemp might play in such an economy, and my attendance at the
Dear MM,
I think that you are right in that future innovative methods
and solution must be pursued. It is however a little bit
scaring if you look at it. What we mostly discuss for
used are Biofuel, Windmills, Passive solar etc., all are
new technologies that goes more than 100 years back.
If it is mono and doglycerides you should be able to take some of the skin
and reprocess it with more methoxide and produce esters. If it is soap you
should not be able to do this. If it is tallow esters this test shouldn't
tell you much.
Mark
At 03:01 PM 12/12/2002 +, you wrote:
The
On the secrecy article, I was just thinking the same thing. I'm not
even sure others here are of like mind with me, that this one
Australian who is pushing unlabeled over-10% mixtures is possibly
poisoning the well for all nascient Australian biofuel efforts, but
that's my tentative opinion and
On Wed, 11 Dec 2002 16:51:21 -0800 (PST), you wrote:
There is way too much debate on whether on not to
use these alternate fuels because of
sustainability. Clearly, when American farmers
are paid to not grow crops the issue seems to be
resolved! Too much debate and not enough action!
I have
I've heard it said that part of what makes U.S. paper currency unique
is that hemp is used in the paper, but I'm not sure if this is true.
Maybe the whole matter, the whole giant friggin hypocrisy of it all,
makes me so upset that I decided to focus on less upsetting things
like the needless
Title: Biodiesel: Development of Specific Opportunities
Description: Seeking proposals to facilitate the development,
demonstration, and commercialization of biodiesel manufacturing plants.
Government Agency: New York State Energy Research and Development
Authority
Also... Napoleon's invasion of Russa was an attempt to cut off America's
hemp supply, thus crippling its' navy.
At 11:20 AM 12/11/02 -0800, you wrote:
Hemp is the term used for the male and marijuana is the
term used to describe the female cannabis plant. There are
many subspecies but, all
I doubt that is necessary unless you are without virus Protection. Like I
tell my users, in this day an age there is not much chance you will keep
from getting a virus on your computer without virus protection. The only way
to significantly decrease your chances of getting a virus without using
Hi MM
On Wed, 11 Dec 2002 02:16:42 +0900, you wrote:
This isn't very authoritative - not much detail, no references to
support it. Anyone know any more about this?
Best
Keith
Short answer: I don't know any more about it, but do not dismiss it
entirely out of hand, as a partial
Ad hoc comment:
One of the issues that tugs at me when I have seen recent debate (or
quasi-science or shouting) over whether some of the biofuels are
sustainable is that the fuel itself, if it is a relatively simple
standardizeable not-horrifically-toxic chemical, is a somewhat
*separate issue*
Diesel originally thought that the diesel engine, (readily adaptable
in size and utilizing locally available fuels) would enable
independent craftsmen and artisans to endure the powered competition
of large industries that then virtually monopolized the predominant
power source-the oversized,
There is way too much debate on whether on not to
use these alternate fuels because of
sustainability. Clearly, when American farmers
are paid to not grow crops the issue seems to be
resolved! Too much debate and not enough action!
I have been contemplating biodiesel in an older
Benz but if I
You cannot ski in minus 40 degree Celsius, if you do not cover all parts of
your skin. I sincerely suggest that you stay inside and do not take the
risk of severe skin damages. If you get such extremely low temperatures,
mix you diesel with 10 to 20% kerosene, but only for that occasion. In
something of interest
http://www.rerorust.de/
[Non-text portions of this message have been removed]
Biofuel at Journey to Forever:
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http://www.oshkoshbygosh.org
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Your use of Yahoo!
Hemp is the term used for the male and marijuana is the
term used to describe the female cannabis plant. There are
many subspecies but, all females are psychoactive and all
males are not.
Did you know that hemp was directly responsible for the
Roman Empire's success in conquering the world.
Why not just use fuel line heaters, and tank heaters if necessary?
(By the way, there's a lot of dross in this thread - the original
message on diesel fuel isn't relevant to cold weather starting, it
should have been snipped, there were four sets of footers at the
bottom, should also have
Hi MM
There you go - a hacker in sheeple's clothing, LOL! You're certainly
no slave, MM. I wonder if the real slaves aren't the people at the
top of the ladder, the ones who think they're in control - such as
Kenneth Lay, hopeless failures at life, what a waste.
thx, and an interesting take
Kirk sent me this:
http://www.zapworld.com/news/zapcar.htm
ZAP! Electric Vehicles
Biofuel at Journey to Forever:
http://journeytoforever.org/biofuel.html
Biofuels list archives:
http://archive.nnytech.net/
Please do NOT send Unsubscribe messages to the list address.
To unsubscribe, send an
It sounds like it would help the nascient Australian Ethanol industry
if there was a 10 percent legal limit installed until such time as
flex-fuel vehicles were made available which could more readily (under
full warranty) process and use blends of 20 percent and more. At that
point
something of interest
http://www.rerorust.de/
Quite a lot of scepticism about him.
Do these look that good to you?
Cocked or gummed parts? My engine got checked.
http://www.rerorust.de/rapsoel/check2_uk.htm
Aargh! His links jump... Hit the English flag on the home page, then
hit Cocked or
see inserted comments
murdoch wrote:
I see a problem here that I did not see before. The term cracker,
which is what hackers are recommending we use when we wish to connote
hacker gone to the dark side or some such, has some slight built-in
vernacular ambiguities.
TLC had a program on
Actually, when I lived in Canada, we did ski in -40. It was great
because there were so few people on the hill. I loved it. BTW, -40 is
both C F, it is the point where they meet.
I had a 1/4 ton truck that was diesel, we used to just leave it run when
it got that cold.
Bright Blessings,
--- In biofuel@yahoogroups.com, Kris Book [EMAIL PROTECTED] wrote:
Hemp is the term used for the male and marijuana is the
term used to describe the female cannabis plant. There are
many subspecies but, all females are psychoactive and all
males are not.
Kris, where the heck did you
--- In biofuel@yahoogroups.com, Kris Book [EMAIL PROTECTED] wrote:
Hemp is the term used for the male and marijuana is the
term used to describe the female cannabis plant. There are
many subspecies but, all females are psychoactive and all
males are not.
Kris, this is total nonsense
Kim,
It is nice to hear a ski lover, because in these temperatures it
is very dangerous if you do not now what you are doing. But
you are right, it is nobody in the slope and with the right snow
and sunny it can be great. Already at minus 25 C you have
minus 60 C in the slope, if you consider
Thanks Hakan
At 03:21 AM 12/12/2002 +0100, you wrote:
With biodiesel it can be a problem that it does not burn out. A smaller
nozzle for a shorter flame and if possible higher pressure, could fix it.
You will probably get a 20-30% lower heating capacity from your burner, but
they are mostly 2-3
I don't see why it could not compete with the LS coal, because is has
even less sulfur that the coal does. As air restrictions get tighter and
tighter even LS coal is going to become less cost effective.
If restrictions get that tight, pretreating the coal will probably still
be cheaper than
I have been following the discussion boards on biodiesel and the
issues are actually simple.
The 99% of diesel buyers in the US and Canada are fleets (trucking,
buses, trains, etc.) who will demand and get high quality
specification product from larger producers. This is fine.
The extremely
Try buying an Optima battery:
http://www.optimabatteries.com/
and don't forget to put some winter additive in your diesel (there's nothing
worse than spending the winter in the parking lot due to a frozen fuel line)
:)
-Original Message-
From: Michael Henry [mailto:[EMAIL PROTECTED]
Thanks Hakan for this very interesting view on
biofuels!
But may I give you some impression fo the german
point of view?
First of all you did not mention Methanol,
Fischer-Tropsch-Fuels (FT-fuels) and Biogas.
Ethanol is not discussed in Germany probably of
the lack of agricultural aera.
I
--- In biofuel@yahoogroups.com, Michael Henry [EMAIL PROTECTED] wrote:
I've actually just bought my first diesel car, and this is one of my
main concerns (as I said, I don't really know anything!) - If I go
skiing and can't plug my car in, for the day or sometimes even for a few
days, do
--- In biofuel@yahoogroups.com, Bryan Fullerton [EMAIL PROTECTED] wrote:
Geez, if you need ether to start it, you need to rebuild the engine. Or, if
you use much ether on a good engine, you *will* be rebuilding it sooner, not
later.
kinda worn out. If you intend to use your diesel where
Dear Daniel,
The subject was biofuel and I see them as renewable
biological sources. I was driving Taxis on NG, 40 years
ago in Sweden, but it is not a biofuel. The country that
adopted NG the most is probably The Netherlands and
I have often driven NG fueled cars there. They also have
- Original Message -
From: Marc de Piolenc [EMAIL PROTECTED]
To: biofuel@yahoogroups.com
Sent: Thursday, December 12, 2002 08:05
Subject: [biofuel] Low temperature carbonization
If restrictions get that tight, pretreating the coal will probably still
be cheaper than buying char,
Ater doing a little reading, I must adjust my statement
slightly but, Harmon you are way off base here.
In this country both hemp and marijuana come from the
cannabis sativa plant. And while hemp is taken from the
female stem as well as the male, the male's fibers are much
stronger, so are more
Is it possible to convert biodiesel to a natural gas such as methane or
propane? If so, how?
It's been two years since chemistry class for me so I can't really remember how
it would be done.
---
Martin Klingensmith
http://nnytech.net/
http://infoarchive.net/
Biofuel at Journey to Forever:
On the secrecy article, I was just thinking the same thing. I'm not
even sure others here are of like mind with me, that this one
Australian who is pushing unlabeled over-10% mixtures is possibly
poisoning the well for all nascient Australian biofuel efforts, but
that's my tentative opinion and
I see a problem here that I did not see before. The term cracker,
which is what hackers are recommending we use when we wish to connote
hacker gone to the dark side or some such, has some slight built-in
vernacular ambiguities. Is one talking about a safe cracker? Is one
trying to connote drug
On Wed, 11 Dec 2002 16:51:21 -0800 (PST), you wrote:
There is way too much debate on whether on not to
use these alternate fuels because of
sustainability. Clearly, when American farmers
are paid to not grow crops the issue seems to be
resolved! Too much debate and not enough action!
I have
I've heard it said that part of what makes U.S. paper currency unique
is that hemp is used in the paper, but I'm not sure if this is true.
Maybe the whole matter, the whole giant friggin hypocrisy of it all,
makes me so upset that I decided to focus on less upsetting things
like the needless
This is a bit OT, but I don't know where else to address an audience
with the potential interest level.
I'm planning to build a new house in a rural area, and I'd like to do
it in an ecologically sound way. The plan at present is 1700 sq.ft.,
straw bale walls, minimal usage of wood and concrete,
Hi Ken,
I was in contact a while ago with Bill Seavey,
http://bajanet.com/featured_articles/three_little_pigs.htm
He has some experience and can probably give you
references on where to find more material.
Hakan
At 05:40 PM 12/12/2002 -0800, you wrote:
This is a bit OT, but I don't know
Backward compatability does not seem to be at
issue. Japenese manufacturers diesel models do
not seem to have the endurance to go as long as
European autos and Europeans have been building
with biodiesel in mind since 1996. After x amount
of years, it wont be a problem.
As far as the legally
Martin,
Time to dig out the organic chemistry books again
:)
In theory it is possible to break methyl esters
or any other hydrocarbon chain into smaller CH4 molecules.
__
Do you Yahoo!?
Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
Well I have been reading about hydrocarbon cracking on the hobbicast
list and trying to stir up some information. So I was thinking about
biodiesel and wondering if you could do the same with it. Perhaps I can
burn biodiesel in my melting furnace! :)
Or perhaps biodiesel could be broken into
It seems a little backwards to do this- after all the methanol is
reformulated from methane, no?
I'm reading a great book called 'a chinese biogas manual' about methane
digesters. they're mostly talking about large-scale (large family or work
group within a large rural commune). My friend
methane digesters...
Can also be 'run' off of sewage, or animal manure (and just about any other
wastes, including lawn clippings, kitchen scraps, etc).
I think someone in my circle of renewable energy weirdos has a digester
that's powered by their toilet (it's a marine macerator toilet in
Ive read some post in other places where folk have used diesel fuel,
and waste motor oils to make a paste or inside body part rust
prevention sprays(like in doors). Military has run test on diff.
oils for this purpose, but not veg oils.
I live in the rust belt so I like the idea. Anyone
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