Proliferation-Resistant Fuel for CANDU Reactors

Obtaining denaturated plutonium with ²³⁸Pu/Pu 6% in CANDU reactors can be achieved by introducing either ²⁴¹Am or ²³⁷Np into the nuclear fuel. It was found that about the same results are obtained by doping the fuel with ²⁴¹Am or ²³⁷Np. In order not to reduce the fuel burnup, there is a need to enrich the uranium to 0.8% for both ²⁴¹Am and ²³⁷Np doping.