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
http://www.green-trust.org
> -------Original Message-------
> From: usemuscles <1lifeisworthit@gmail.com>
> To: 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]
> 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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