Article View: aus.environment.misc
Article #224Re: What's wrong with geothermal?
From: Trevor Wilson
Date: Mon, 01 Jan 2007 01:25
Date: Mon, 01 Jan 2007 01:25
58 lines
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3415 bytes
"Jo Schaper" <jospamnotschaper34@5socket78dot9net> wrote in message news:12pglrue2531268@corp.supernews.com... > Trevor Wilson wrote: >> "netvegetable" <dontemailme@all.com> wrote in message >> news:en9564$pdb$1@news-02.connect.com.au... >>> On Sun, 31 Dec 2006 11:41:07 +0000, Jo Schaper wrote: >>> >>>> netvegetable wrote: >>>>> While the PM is trying to debate whether or not we should start to go >>>>> nuclear in 10-15 years, various private firms are steaming ahead in >>>>> their >>>>> research and development of geothermal energy via "hot dry rocks" >>>>> ...... >>>>> >>>>> So tell me what's wrong with this form of energy as an alternative to >>>>> coal? >>>> Do you have a large nearby source of water? Water or some other medium >>>> still has to be used to transfer the energy. Even most wet geothermal >>>> recirculates the water by re-injection, and there is always loss. >>> Finally some food for thought. >>> >>> I wonder how much loss there would be. >> >> **There need only be as much loss as any thermal power plant (coal, >> nuclear, et al). The main working fluid need not be water. Water, for the >> most part, is just cheap and convenient. > > True. Can you name me another fluid able to contain as much heat for > transfer at a similar cost? **Of course not. I can, however, list several fluids which offer BETTER performance, for more money. In any case, the working fluid costs are similar for nuclear. > > The loss of water would be largely as steam in the generators. Most of > this may be successfully recaptured. But not all. > > I'm not a geothermal expert. If you wish to research a geothermal plant > using re-injection technology in a desert environment, I suggest you > find information on the Garlock Fault Geothermal Plant, run by US Naval > Operations at its China Lakes Naval Base, near Ridgecrest, California in > the lower Owens Valley. (Don't ask me why we have a Naval Base in the > desert. But it is there, and they've run a geothermal plant since > 1978-79.) **Yep. Geo-thermal technology is old and proven. -- Trevor Wilson www.rageaudio.com.au -- Posted via a free Usenet account from http://www.teranews.com
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X-Google-Thread: 10c480,5f0137fe89979e1d X-Google-Thread: 105543,5f0137fe89979e1d X-Google-Thread: 10df0c,5f0137fe89979e1d X-Google-Thread: 104f8c,5f0137fe89979e1d X-Google-Attributes: gid10c480,gid105543,gid10df0c,gid104f8c,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news4.google.com!news.glorb.com!nntpserver.com!zeus.nntpserver.com!hydra.nntpserver.com!not-for-mail From: "Trevor Wilson" <trevor@SPAMBLOCKrageaudio.com.au> Newsgroups: aus.environment.misc,aus.invest,aus.politics,sci.geo.geology References: <en4jub$rl8$1@news-02.connect.com.au> <12pftgqqjved602@corp.supernews.com> <en9564$pdb$1@news-02.connect.com.au> <45982e40$0$18611$88260bb3@free.teranews.com> <12pglrue2531268@corp.supernews.com> Subject: Re: What's wrong with geothermal? Date: Mon, 1 Jan 2007 12:25:40 +1100 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.3028 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-RFC2646: Format=Flowed; Response Lines: 55 Message-ID: <45985661$0$18594$88260bb3@free.teranews.com> NNTP-Posting-Date: 01 Jan 2007 00:31:29 GMT X-Complaints-To: abuse@teranews.com