The United States and the Russian Federation have each agreed to dispose of 34 tonnes of weapons-grade plutonium that are beyond their defence needs. One effective way to dispose of this plutonium is to convert it into mixed-oxide (MOX) fuel, burn it in a nuclear reactor and use it to produce electricity.
This report describes an international benchmark study that compared the results obtained for six different states in a VVER-1000 reactor core loaded with one-third MOX fuel. This NEA activity contributes to the computer code certification process and to the verification of calculation methods used in the Russian Federation.