[HN Gopher] The largest deep lake water cooling project just got...
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       The largest deep lake water cooling project just got bigger
        
       Author : throw0101b
       Score  : 12 points
       Date   : 2024-04-03 18:40 UTC (4 hours ago)
        
 (HTM) web link (www.theglobeandmail.com)
 (TXT) w3m dump (www.theglobeandmail.com)
        
       | throw0101b wrote:
       | https://archive.ph/IZSDQ
       | 
       | https://archive.today/IZSDQ
        
       | throw0101b wrote:
       | * https://en.wikipedia.org/wiki/Deep_water_source_cooling
       | 
       | * https://en.wikipedia.org/wiki/Deep_Lake_Water_Cooling_System
        
       | Cieric wrote:
       | I'm kind of a novice on this, but what happens to the heated up
       | water? I assume returning it to the bottom of the lake could have
       | effects on local wildlife, so is it returned to the top? That
       | seems like it'd have the same effect but take longer since the
       | hot water will remain toward the top. Or is it assumed to be fine
       | since when winter rolls around the heat will be dissipated then.
       | 
       | I'm mainly curious about the result to the native wildlife since
       | practice engineering's videos on the dams and how fish are
       | handled.
        
         | ZeroGravitas wrote:
         | > The water goes through Toronto's Island filtration plant
         | where it is treated for use as drinking water.
        
         | timr wrote:
         | The article says that the water is returned to the lake at
         | about the same temperature that it leaves...though I'm unclear
         | how that's possible.
        
           | FredFS456 wrote:
           | The heated up water is consumed as drinking water. Excess
           | water is returned to the lake.
        
       | james_david wrote:
       | For the uninitiated, this is in many ways similar to networked
       | geothermal: https://www.gastogeo.wiki/wiki/Main_Page
       | 
       | When I lived in Toronto, I toured Steam Whistle brewery and they
       | featured this system prominently in their setup.
        
       | thereisnospork wrote:
       | >Although many environmentalists say they like DLWC, there is
       | some concern that its reliance on electricity for pumping and
       | running the giant heat exchangers could contribute to carbon
       | emissions if the power is from coal- or gas-fired plants or pose
       | other risks if the source is nuclear energy.
       | 
       | Is there anything environmentalists won't try to complain about?
        
         | pstrateman wrote:
         | It's especially dumb in Ontario where electricity is almost
         | entirely from nuclear and hydro.
        
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       (page generated 2024-04-03 23:01 UTC)