[Beowulf] Google greywater cooling

Mike Davis jmdavis1 at vcu.edu
Wed Mar 21 19:17:41 PDT 2012

Greywater isn't sewage, though it is often dealt with in the same way. 
Greywater could be from sinks, plant watering systems, condensation, 
etc. It could also be recaptured and reused fresh water from some 
cooling systems.

On 3/21/2012 8:45 PM, Ellis H. Wilson III wrote:
> On 03/21/2012 10:11 AM, Hearns, John wrote:
>> Flagging up yet another Register article I’m afraid, but it is interesting
>> http://www.theregister.co.uk/2012/03/20/google_greywater_data_center_cooling/
> Certainly interesting.  I missed this one in my El Reg RSS.  Does anyone
> have references on a (modern) picture of what their servers look like?
> In other words, they are particularly vague in the article and the
> associated video on how they actually use this water to do the cooling.
>    I assume it is not "real" water cooling, but utilizing that water in
> their air conditioning units somehow.  I cannot imagine they use the
> water to re-humidify their server rooms, since rooms smelling of piss
> and chlorine probably isn't appreciated by any but the most green of
> environmentalists.
> Best,
> ellis
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