[Diy_efi] Re: Veggie van

[Mike]

oh tah,

(as I hide my right chin under my left armpit;)

Well there is a bit of idealism there and some (minor)
practical issues to handle but feasible from what I understand,
somebody just has to 'put it all together' :-)

rgds

Mike


At 04:36 AM 12/12/2002 -0500, you wrote:
>Mike, you are an extraordinarily well-read guy...
>
>On Thu, 12 Dec 2002 16:02:17 Mike <erazmus at iinet.net.au> writes:
>> Yeah Bevan, - thats what I like about solar too :-)
>> 
>> There's another potential energy source using supercritical water:-
>> 
>> ie. Place water in a pressure vessel to around 3250psi, heat to
>> 400deg C (its still liquid water) and now its in an equilibrium
>> between being an ionic solvent and a non-ionic solvent at the
>> same time or in a superposition state of the two - with some
>> quite nice properties :)
>> 
>> Add organic waste - such as from pharmacuticals, kitchen waste,
>> garden waste or whatever - such as through a crusher so its a
>> paste and manageable through the system,
>> 
>> Add air and combustion takes place, which raises the pressure
>> and the temperature - all whils the water is in liquid form,
>> not sure if light is also emitted but wouldnt it be spooky
>> to watch the combustion glow in liquid water through a quartz
>> window !
>> 
>> The heat generated is used to drive a turbine, and maintain the
>> systems base point operation provided you have enough organic
>> waste - which shouldnt be a problem for an 'idle' mode, batteries
>> of course can be used to kickstart it as for a car ( but i am
>> guessing this combustion process would be too slow to have one
>> of these things in our boot)
>> 
>> The combustion is for the most part complete and the only
>> waste products (by far) are N2 and CO2 which could be drawn off
>> through your classic membrane separator to supply industry.
>> 
>> The other potential is to use it in a partial combustion format
>> with safe fuels (non pharmacuticals) to generate CO, that and
>> H2 passed over a copper catalyst will generate methanol, the
>> heat source and pressure is already there so to speak, so
>> we could in theory use this system to get rid of kitchen and
>> garden waste, generate heat for home heating and cooking and
>> the outcome is methanol to run our cars...
>> 
>> Hope the petrochemical groups allow this email to get through ;-)
>> 
>> Rgds
>> 
>> mike
>> 
>> 
>> 
>> At 08:38 PM 12/12/2002 +1300, you wrote:
>> >I think that the more important aspect of solar energy etc is that 
>> the
>> >energy required to harvest any power from it is a once off charge.  
>> Gasoline
>> >(and other fuels) which require a cost in energy to get some back 
>> out of the
>> >system.  ie you have to drill for the oil etc, then transport it 
>> etc to the
>> >place of combustion, with solar/wind you just setup the 
>> panels/turbines
>> >where you require the power and that's the largest energy cost of 
>> the
>> >system, the rest is maintanance.
>> >
>> >
>> >----- Original Message -----
>> >From: "Mike" <erazmus at iinet.net.au>
>> >To: <diy_efi at diy-efi.org>
>> >Sent: Thursday, December 12, 2002 12:24 PM
>> >Subject: Re: [Diy_efi] Re: Veggie van
>> >
>> >
>> >> Sure - but comparatively speaking most of the energy (by far)
>> >> is provided by their own product,
>> >>
>> >> Thats a rather significant paradigm, not reached by other
>> >> energy sources and over a short time period...
>> >>
>> >> rgds
>> >>
>> >> mike
>> >>
>> >>
>> >> At 08:13 AM 12/12/2002 +0800, you wrote:
>> >> >
>> >> >Yes, but unless the factory is right on top of the sand pit, 
>> someone
>> >> >still has to excavate the sand and deliver it.  Even if this was 
>> done by
>> >> >people with buckets they would need to eat to refuel, the food 
>> they
>> >> >consume would somehow have used power to be grown and harvested 
>> (water
>> >> >irrigation, etc).  And the unknown is always environmental 
>> impact, who
>> >> >knows what impact a great big sandpit will have.
>> >> >
>> >> >You can keep going forever, hence the ease of making any form of 
>> energy
>> >> >seem better than others.
>> >> >
>> >> >Dan  dzorde at erggroup.com
>> >> >
>> >> >>Well <hrrrm> sand is pretty cheap, easy to clean and easy to
>> >> >>convert to silicon, all you need is a bit of power !
>> >> >
>> >> >
>> >> >_______________________________________________
>> >> >Diy_efi mailing list
>> >> >Diy_efi at diy-efi.org
>> >> >http://www.diy-efi.org/mailman/listinfo/diy_efi
>> >> >
>> >> >
>> >>
>> >> _______________________________________________
>> >> Diy_efi mailing list
>> >> Diy_efi at diy-efi.org
>> >> http://www.diy-efi.org/mailman/listinfo/diy_efi
>> >>
>> >
>> >_______________________________________________
>> >Diy_efi mailing list
>> >Diy_efi at diy-efi.org
>> >http://www.diy-efi.org/mailman/listinfo/diy_efi
>> >
>> >
>> 
>> _______________________________________________
>> Diy_efi mailing list
>> Diy_efi at diy-efi.org
>> http://www.diy-efi.org/mailman/listinfo/diy_efi
>> 
>
>
>________________________________________________________________
>Sign Up for Juno Platinum Internet Access Today
>Only $9.95 per month!
>Visit www.juno.com
>
>_______________________________________________
>Diy_efi mailing list
>Diy_efi at diy-efi.org
>http://www.diy-efi.org/mailman/listinfo/diy_efi
>
>

_______________________________________________
Diy_efi mailing list
Diy_efi at diy-efi.org
http://www.diy-efi.org/mailman/listinfo/diy_efi