NINA NETZER AND JOCHEN STEINHILBER(EDS.)| THE END OF NUCLEAR ENERGY? weapon-grade plutonium, this method is considered by the government to be totally different from the wet reprocessing process. Therefore, the government claims that pyroprocessing is not reprocessing, poses no dan­ger of proliferation, and does not violate the 1991 joint declaration. Pyroprocessing continues to be carried out in the laboratory, but the Korean government considers it to be very promising because it could solve the spent nuclear fuel disposal problem and secure the nuclear fuel supply for a long period. 56