Why are thermal/nuclear power plants’ chimneys so wide and huge?
In: 1
They are not chimneys. They are [https://en.wikipedia.org/wiki/Cooling_tower](https://en.wikipedia.org/wiki/Cooling_tower) and is one of many ways you can cool the water in heat transfer system.
There are dry and wet variants of them and if you see something white escape from that it is just water.
You do not need them if there is another way to get enough cold water like if the reactor is on the coast and you can use the seawater.
You can alos use a artificial lake you pump water into and let cool, that is what Chernobyl used.
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