Typically speaking, if you're mining rocks, that's a quarry. The article also suggests using waste from steel and cement manufacturing, which is crazy.
The article also suggests using waste from steel and cement manufacturing, which is crazy.
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If the production process is happening anyway, and if the waste exists anyway, why is it definedly crazy to re-purpose it? It isn't neccessarily the best at scale economic source of the kinds of rock dust we need, but if you have it, and it worked, then (without citing specifics like cross contamination risks or at scale problems) why is this specifically more crazy than the idea itself?
