Application of chemical processes to separate the valuable substances – the still existing uraniumNatural radioactive element with the atomic number 92. The n... and the newly generated fissile materialAny substance which can be fissioned by neutrons, during whi... plutoniumPlutonium - the 94th element in the classification of elemen... – from the fission productsNuclides generated by fission or subsequent radioactive deca..., the radioactive waste in the spent nuclear fuelIn accordance with the definition of the German Atomic Energ... after its use in the reactorSystem used to initiate, maintain and control a fission chai.... The PUREX processProcess for the reprocessing of spent nuclear fuel to separa... for reprocessing underwent several years of large-scale trial. A spent fuel elementArrangement of a number of fuel rods into which the nuclear ... has, apart from the structural material, approximately the following composition: 96% uraniumNatural radioactive element with the atomic number 92. The n..., 3% fission productsNuclides generated by fission or subsequent radioactive deca... (waste), 1% plutoniumPlutonium - the 94th element in the classification of elemen... and small amount of transuranium elements. The recovered uraniumNatural radioactive element with the atomic number 92. The n... and the plutoniumPlutonium - the 94th element in the classification of elemen... can be reused as fuelSee 'nuclear fuel'. in a nuclear power plantThermal power plant, primarily used for electricity generati... following appropriate further chemical treatment. The nuclear fuelIn accordance with the definition of the German Atomic Energ... recoverable in a reprocessing plant with an annual throughput of 350 t corresponds, in the case of use in modern light water reactors, to an energyAbility to do work or diffuse heat. The unit of energy is th... quantity of approx. 10 million t hard coal. In the reprocessing, the high active waste (fission productsNuclides generated by fission or subsequent radioactive deca...) is separated and by vitrificationThe highly active fission product solutions arising in repro... brought into a form suitable for safe ultimate disposal.
Scheme of the reprocessing of irradiated fuelSee 'nuclear fuel'. elements
Composition of nuclear fuelIn accordance with the definition of the German Atomic Energ... for light water reactors prior and after the use in a reactorSystem used to initiate, maintain and control a fission chai...