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this post was submitted on 18 Jun 2025
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Mildly Interesting
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As someone that works in waste water: do it.
The company I work~~ed~~ for made a show of signing a partnership with a beer maker to supply them with water to create a unique batch.
The water had to be mixed with regular water in order to balance out the profile, as the treated water had underwent an aditional step to make it safe for consumption (UV treatment and micro filtering); it was closer to filtered water than anything else.
Odourless, colourless and tasteless.
Who tried it, said the beer came out just fine.
Using treated waste water for cooling datacenters would be trivial. And cheap.
As someone that works in a data center, we use an absolute shit ton of reclaimed water for evaporative cooling. ๐
Nice! Good to know.
But why have an evaporative cooling system and not use a system similar to internal combustion engines, with a closed circuit system? It would be more economic.
But I wouldn't want to have to replace the gasket if it broke!
Turns out it isn't more economic, as you have to substitute the energy that's carried away by the evaporating water with a commensurate amount of radiators and the extra electric power needed to pump through that cooling loop:
https://www.youtube.com/watch?v=tmbZVmXyOXM