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I'm writing a paper on the future of fusion technology and I can't seem to find the difference between Europe's DEMO experiment and Korea's KDEMO except for the fact that they are both planned to follow ITER which involves Korea and many European states and that they of course will be in different locations.

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According to this talk by Neil Mitchell (slide 4) there are two different strategies.

EU, US, and Japan are planning a "pure fusion" reactor in which the $14~MeV$ neutrons resulting from the fusion reaction are directly converted to heat.

China and Korea are studying for a hybrid reactor in which those neutrons will be used to catalyse a fission reaction in spent fuel from existing Pressurised Water Reactors.

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According to ITER newsline, DEMO is a generic name for the successor of ITER. K-DEMO is the Korean concept for DEMO.

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