For more info on bio-methane, see http://www.green-trust.org/freebooks/
Steve Spence
Director, Green Trust
http://www.green-trust.org
> -------Original Message-------
> From: sspence <sspence@green-trust.org>
> To: wastewatts@yahoogroups.com
> Subject: Re: [wastewatts] Re: Propane fridge powered by solar heated hot oil?
> Sent: 08 Jul '11 21:55
>
> methane is basically natural gas. If you have clean & purified methane,
> only minor jet/nozzle mods are necessary. Biomethane has less btu, so more
> is needed.
>
> Steve Spence
> Director, Green Trust
> [LINK: http://www.green-trust.org] http://www.green-trust.org
>
> > -------Original Message-------
> > From: usemuscles <[LINK: mailto:1lifeisworthit%40gmail.com]
> 1lifeisworthit@gmail.com>
> > To: [LINK: mailto:wastewatts%40yahoogroups.com]
> wastewatts@yahoogroups.com
> > Subject: [wastewatts] Re: Propane fridge powered by solar heated hot
> oil?
> > Sent: 08 Jul '11 21:51
> >
> > I wonder what would need to be done to a gas appliance to be able to run
> on
> > methane. Does anyone know?
> >
> > Maria Barker
> >
> > --- In [LINK: mailto:wastewatts%40yahoogroups.com]
> > [LINK: mailto:wastewatts%40yahoogroups.com] wastewatts@yahoogroups.com,
> "todd_a_wortmann" <todd_a_wortmann@...> wrote:
> > >
> > > Hi Everyone,
> > >
> > > Just musing about my propane fridge, and wondered about a solar heated
> > alternative to propane. It would be interesting to find if a parabolic
> > trough heating up motor oil would be a good supplement or replacement
> heat
> > source. My old Dometic uses about 1100 BTU/hr, which is barely more than
> a
> > pilot light. Plenty of that heat going up and out the stack.
> > >
> > > Does anyone have BTU data from a "size X" trough, which can be used to
> > plan an appropriate size trough to replace the propane flame?
> > >
> > > Another interesting thought would be to have a highly insulated
> storage
> > tank of, say, 15 or 20 gallons. An oversized trough creates a surplus of
> > hot oil, which could be circulated after loss of sun to keep the fridge
> > cold through the night. The hot oil storage might be impractical for
> making
> > steam to generate electricity, but a small scale demand like a fridge
> might
> > be do-able.
> > >
> > > No, I have not done calculations on BTU storage and oil temperatures -
> > this is just a thought at the moment. Someone said in a recent post that
> > they can't make propane for their fridge, but you could make plenty of
> hot
> > oil.
> > >
> > > TW
> > >
> >
> >
> >
>
>
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