🚀 go-pugleaf

Peter Webb wrote:
> "Addinall" <addinall@addinall.org> wrote in message 
> news:1167544085.362178.229360@42g2000cwt.googlegroups.com...
>> Landy wrote:
>>> "David Moss" <q0320811@mail.connect.usq.edu.au> wrote in message
>>> news:MPG.2000942a106031ce98a258@news.bigpond.com...
>>>> In article <en4jub$rl8$1@news-02.connect.com.au>, dontemailme@all.com
>>>> writes...
>>>>
>>>>> So tell me what's wrong with this form of energy as an alternative to
>>>>> coal?
>>>> Isn't geothermal just another kind of nuclear energy?
>>>>
>>> Well yes, but one is nuclear fission and the other is not.
>> Nope. Both fission.  Exactly the same process the Green
>> nuts get all pantieless over.  What's more, it's not
>> contained.
>>
>> Environmental Pollution in Sindh, Pakistan
>> By Mrs. Farzana Panhwar
>> September 2004
>>
>> [...]
>>
>> Mass awareness and education program.
>> Pollution- the contamination of air, water or soil with substance
>> harmful to life -has been a seemingly inevitable by-product of
>> industrialisation and urbanisation, should be reduced.
>> Geothermal power brings thermal pollution of air and surface water,
>> contamination ground water, increase, hydrogen sulphide and sulphuric
>> oxide pollutants in the air, create problems in the disposal of salts.
>> These carefully monitored and their pollutants should be controlled and
>> checked at an International Standard to bring sustainable activities in
>> the country.
>> http://www.eco-web.com/editorial/040924.html
>>
>> [...]
>> ------------
>>
>> Of course if you pump a load of water down a hole that
>> is being heated by a load of radioactive rock, some of that
>> radioactive material will be dissolved or kept in supension
>> in the water, and it's going to come up to the surface.
>>
>> It WILL also find it's way into the water table and aquifiers.
>> Water is the slipperiest molecule in the universe.  It
>> will get everywhere once pumped into fissured
>> rock.
>>
>> This is a big scream for the "NO NUKE" crowd, if something
>> weally bad hapens, like tewwowists or a WEALLY big earthquake,
>> you could leak nasty stuff into the WATER TABLE killing
>> all the chilrun for at least 200,000 years.  So THERE.....!
>>
>> Sorry to tell you kiddies, injection driven geothermal power generation
>> does that from day one, week one.
>>
>> In a country like Australia, devising a scheme to take huge
>> quantities of fresh water and polluting it to generate electricity
>> is criminal.  And insane.
>>
>> On the other hand, a closed fuel cycle reactor, metal cooled,
>> will sit there and chug along producing not only power,
>> but nice clean drinking water as well.
>>
>> Here we go.  A few dozen of these little babies
>> all around the coast.
>>
>> http://www.llnl.gov/str/JulAug04/Smith.html
>>
>> Plug-n-Play Power.
>>
>> Mark Addinall.
>>
>>
>>> cheers
>>> Bill
> 
> That's not my understanding of geothermal energy (though I may be wrong).
> 
> Pump salt water down one hole, and tap it as steam out the other hole. The 
> salt is left behind; fresh water is the waste product. Because heat exchange 
> (Carnot cycle) engines are so inefficient at comparatively low temperatures 
> (a few hundred degrees C), you actually get a lot of fresh water produced 
> for each kWh you produce. When the "mining" is completed, you have a huge 
> amount of salt from the sea buried deep underground and the other waste 
> product - fresh water - available for consumption.

And when the underground area is clogged with salt, and you then 
salinify the aquifer?