The chemical treatment of nuclear fuelIn accordance with the definition of the German Atomic Energ... after its use in a reactorSystem used to initiate, maintain and control a fission chai... to remove the fission productsNuclides generated by fission or subsequent radioactive deca... and to recover the unused uraniumNatural radioactive element with the atomic number 92. The n... and the new fissile materialAny substance which can be fissioned by neutrons, during whi... plutoniumPlutonium - the 94th element in the classification of elemen... generated during the fissionSee 'nuclear fission'.. (See ‘reprocessing’ )