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(New Scientist)   Sewer and subway heat can make our homes nice and cozy, smell like shiat   (newscientist.com) divider line 7
    More: Interesting, urban heat island effect, combined sewer, European cities, warm air, trains  
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1366 clicks; posted to Main » on 05 Dec 2013 at 8:53 AM (33 weeks ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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gja [TotalFark]
2013-12-05 08:55:37 AM
diablo.incgamers.com
 
2013-12-05 08:58:46 AM
The company that runs the two county landfills here built up an extensive system to recapture escaping methane, and they pipe that into a power plant which then in turn runs their buildings, and gets sold back onto the grid.

Less methane in the atmo, power generation, and green energy.
 
2013-12-05 08:59:04 AM
You forgot to mention the rodents of unusual size, the CHUDs, and the alligators.
 
2013-12-05 09:00:36 AM
Other countries already do that.
 
2013-12-05 09:24:41 AM
I sharted in my pants once. It was pretty warm.
 
2013-12-05 09:37:53 AM

rooftop235: Other countries already do that.


And we do, too, to a limited extent.  Using heat pumps to recovery "waste" heat is a mature and very safe technology.

My company actually provides equipment to do this sort of thing (among many other products).  It's beginning to gain more and more attention in the US.

A few links:
http://www.newswire.ca/en/story/966051/north-america-s-first-sewage- he at-recovery-system-installed
http://www.sewageheatrecovery.com/products-tech-info/

(not a company I am affiliated with, just one with a good website)
 
2013-12-05 12:19:53 PM
You arent really directly using the air from the tunnels and putting it into your homes. its not even as if you are taking that air and filtering it.

 You basically have two parallel ducts with a membrane between them. This membrane transfer of energy principles to move the heat from one side (tunnel air) to the other side (home air). This is called a Heat Recovery/Recapture System

The 'bad' air itself never comes into contact with the indoor air.
 
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