‘Fourth Generation’ nuclear reactors sound good, BUT…
fast reactors cannot use water as a coolant, since this would slow the neutrons down. The coolant of choice is molten sodium metal. Sodium is highly reactive, burning readily in air and exploding on contact with water.
Why James Hansen is wrong on nuclear power | Links April 8, 2010“……Compared to earlier installations, the projected fourth-generation plants – specifically, the “integral fast reactor” (IFR) designs that have drawn most attention – promise important advantages. Continue reading
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