this post was submitted on 20 Jul 2023
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The Materials required to build reactors are cheap and abondant. The amount of Uranium required to supply a plant for 10 years is small enough that it can be stored on site. It would alse be possible to extract Uranium from seawater, a supply that would last until the sun expands and swalows the planet.
Extracting Uranium from seawater is a ridicilous idea. The hypothetical proposals for a single extractor require 100.000 Tonnes of absorbens on a surface of 1000 km² At concentrations around 3 ppb, you'd need to filter about 7,5 trillion m³ of water per year, to meet the current US electric demand.
That is an environmental catastrophy abomination of ressource extraction and it is most likely still energy negative, because of the insane amount of chemicals needed.