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It seems unlikely to me that this could be an efficient way to burn radioactive waste. However, there is another approach that combines a linear electron accele
by smaddox 7y ago
It seems unlikely to me that this could be an efficient way to burn radioactive waste. However, there is another approach that combines a linear electron accelerator with infrared laser pulses to generate absurdly high power (compared to traditional accelerator sources) gamma rays: https://www.sciencedaily.com/releases/2011/04/110426160211.htm https://www.sciencedaily.com/releases/2011/04/110426160211.h...
The tunability of this gamma rays source makes it possible to target and induce nuclear reactions in unstable atoms.
If I remember correctly, when I saw the seminar talk by the originator of the concept, a few years ago, he said that an existing super-conductor-based linear accelerator in Japan could feasibily by modified to generate enough gamma rays to burn thousands of tons of radioactive waste per year. (Don't quote me on the exact amounts, though, it's been a while).
- baybal2 7y agoEven if it somehow works, photofission will never be energy efficient. You will be spending gigawatt hours per gram of fissioning matter
- smaddox 7y agoWhy do you say that? The approach I linked can be an absurdly efficient way to generate gamma rays with super-conductor magnets and electron recycling, like the Japanese electron accelerator has. And keep in mind, these atoms are already unstable. The photon just excites the nucleas out of the meta-stable ground state.