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Home > Archive > Alternative Power sources > September 2005 > manure->methane -> power
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manure->methane -> power
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| shannon wagoner 2005-09-14, 11:21 am |
| i was watching mad max 3, and they were using pig dung to generate
electricity. and i started to wonder how effective that would be, and
how would it be done.
i assume the methane is used to heat water to steam and the generate
power that way, and really anything burnable would do the same, i get
enough junkmail it seems to power a few things 
also was thinking during winter, wood etc heat could be used to make
steam power as well
does any one have any referenced materials on steam generators?
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| Steve Spence 2005-09-14, 11:21 am |
| shannon wagoner wrote:
> i was watching mad max 3, and they were using pig dung to generate
> electricity. and i started to wonder how effective that would be, and
> how would it be done.
>
> i assume the methane is used to heat water to steam and the generate
> power that way, and really anything burnable would do the same, i get
> enough junkmail it seems to power a few things
methane digestion of manure is an old tradition. it's usually burned for
steam or sometimes used in stationary engine driven generators. It can
be used in natural gas appliances like hot water heaters, kitchen
stoves, dryers and refridgerators. for more methane info, see
http://www.green-trust.org/methane.htm
--
Steve Spence
Dir., Green Trust, http://www.green-trust.org
Contributing Editor, http://www.off-grid.net
http://www.rebelwolf.com/essn.html
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| Arnold Walker 2005-09-14, 11:21 am |
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"shannon wagoner" <hopehaven42544-no-spam@peoplepc.com> wrote in message
news:dn6gi1d2h6qggiqc9ed9h3pa0bf4r4dvou@4ax.com...
> i was watching mad max 3, and they were using pig dung to generate
> electricity. and i started to wonder how effective that would be, and
> how would it be done.
>
> i assume the methane is used to heat water to steam and the generate
> power that way, and really anything burnable would do the same, i get
> enough junkmail it seems to power a few things
>
> also was thinking during winter, wood etc heat could be used to make
> steam power as well
>
> does any one have any referenced materials on steam generators?
Ready made or plans?
You mean monotube, didn't you?
Same as steam jenny steam cleaner or tankless water heater ,except hotter
steam usually.
Easiest to built ,but trickest to control if you are needing dry steam for a
engine or worse yet turbine.(blade have relative impact speed of 6000fps or
mach7 roughly, if water droplets are present.)The reason folks add a
standpipe to make it a Lamonte instead.
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| Ecnerwal 2005-09-14, 11:21 pm |
| shannon wagoner <hopehaven42544-no-spam@peoplepc.com> wrote:
> i was watching mad max 3, and they were using pig dung to generate
> electricity. and i started to wonder how effective that would be, and
> how would it be done.
Movies are generally a bad source of technology ideas, but it's being
done - I know of more dairy farms doing cow manure than pig farms but
suppose it possible with either. Probably smells better with cow manure
than pig manure, I'm guessing - not a hard guess..
> i assume the methane is used to heat water to steam
On any feasible scale one generally uses the methane to fuel an internal
combustion generator. The slightest bit of research will illustrate why
(hint, turbines are not efficient on a small scale; second hint - steam
has many ways to make your life all too interesting).
Drop methane digester into any search engine.
--
Cats, coffee, chocolate...vices to live by
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| Anthony Matonak 2005-09-15, 1:21 am |
| Ecnerwal wrote:
> shannon wagoner <hopehaven42544-no-spam@peoplepc.com> wrote:
>
>
> Movies are generally a bad source of technology ideas, but it's being
> done - I know of more dairy farms doing cow manure than pig farms but
> suppose it possible with either. Probably smells better with cow manure
> than pig manure, I'm guessing - not a hard guess..
I would think that it would be more efficient either to ferment
grain/organic matter and produce alcohol or to press oil bearing
stuff and produce vegetable oil. The first could be fed (after a
big of distilling) into gas style engines and the later could be
used on diesel style engines.
Anthony
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| Arnold Walker 2005-09-15, 4:21 am |
|
"Anthony Matonak" <anthonym40@nothing.like.comcast.net> wrote in message
news:eNydnXwrgJekb7XenZ2dnUVZ_s2dnZ2d@comcast.com...
> Ecnerwal wrote:
>
> I would think that it would be more efficient either to ferment
> grain/organic matter and produce alcohol or to press oil bearing
> stuff and produce vegetable oil. The first could be fed (after a
> big of distilling) into gas style engines and the later could be
> used on diesel style engines.
>
> Anthony
>
One of the biggest digestor is for a livestock feedlot in Okla.......the
place was built from the groud up with that in mind.
So the slabs drain into the digestor etc..nnot sure if they dewater to
proper density.
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| Derek Broughton 2005-09-15, 10:21 am |
| Ecnerwal wrote:
> shannon wagoner <hopehaven42544-no-spam@peoplepc.com> wrote:
>
>
> Movies are generally a bad source of technology ideas, but it's being
> done - I know of more dairy farms doing cow manure than pig farms but
> suppose it possible with either. Probably smells better with cow manure
> than pig manure, I'm guessing - not a hard guess.
I'd have to think that if you can smell it, you're wasting methane. :-)
--
derek
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| Yeah, and I was thinking, why pigs; why not.....flush the toilet, power your
house; I mean, why should the school cafeterias get all the benefits ;)? I
was thinking I would like to watch some of the Mad Max movies.
ares
"shannon wagoner" <hopehaven42544-no-spam@peoplepc.com> wrote in message
news:dn6gi1d2h6qggiqc9ed9h3pa0bf4r4dvou@4ax.com...
> i was watching mad max 3, and they were using pig dung to generate
> electricity. and i started to wonder how effective that would be, and
> how would it be done.
>
> i assume the methane is used to heat water to steam and the generate
> power that way, and really anything burnable would do the same, i get
> enough junkmail it seems to power a few things
>
> also was thinking during winter, wood etc heat could be used to make
> steam power as well
>
> does any one have any referenced materials on steam generators?
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