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210 comments on Mining the Oceans: Can We Extract Minerals from Seawater?
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210 comments on Mining the Oceans: Can We Extract Minerals from Seawater?
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That is 395 GW of combustion gas turbines. Non-combustion gas turbines are not proven. They're mostly in pilot/research stages. You say that the conditions in non-combustion lower temp operation are more reasonable than in higher temp combustion gas turbines, but the fact that they are not commercially competing with Rankine steam cycles, even in the higher temperature regimes, should caution us not to trivialize the engineering/commercial issues.
I agree with everything else you say.