There was a similar question in place but the details of the answer may suggest another solution.
So I am aware that transmutation is used to reprocess radionuclides in nuclear waste to render them into shorter lived radioisotopes.
is-there-any-industrial-scale-nuclear-transmutation-currently-in-practice
Well the sad answer is no. Actually, transmutation has proven itself not to be the omnipotent cure for the nuclear waste problem. Numerous calculations have shown that it does not really quite do the job. The idea was to build a test reactor in Belgium for the purpose. This plant was to be a hybrid between a lead cooled fast reactor and an accelerator driven core. Nowadays the transmutation part is almost abandoned and they plan to use it mainly as a neutron source.
Imagine a scenario of a mix of radionuclides from waste. Each represents a number of nuclear binding energy and many protons and neutrons with suitable numbers of electrons to keep the radionuclides from self ionization.
Is it possible to transmute all those radionuclides into median radionuclide or stable nuclides of an arbitrary chemical element while releasing extra nuclear binding energy that cannot fit into the median?
If possible, this process could be useful in settlements on another planet or natural satellite. If a chemical element is desired at the settlement, run computerized statistical stimulation and pilot plant to test feasibility for
- The desired element
- least amount of energy and subatomic particles to stimulate transmutation -- guide the controlled chaos of transmutations into the median.
- The enough extra nuclear binding energy to be released in a kind of Radioisotope thermoelectric generator. The harvested energy is used for shooting subatomic particle for the stimulations.
- The used radionuclide(s) of that arbitrary chemical element are allowed to decay, with a known decay chain and short half-lives.
- Is isolated area on another astronomical body useful as arbitrary kind of factor of safety?
- Any extra energy after the above would be exported from the power plant housing the generators so this process could be an electricity generation.
Is all this imaginary? but it is interesting.