Patent ID: 6342650
Filing Date: 2002-01-29
Classification: G21F,Y10S

Abstract:
A method of fission product disposal in permanent icefields, comprising:storing nuclear reactor waste for a period of time sufficient to let short life materials decay leaving other fission products and actinides; separating the other fission products from the actinides; embedding the separated other fission products in a metal matrix having a sufficient thermal conductivity and a sufficiently high melting point to successfully store the other fission products, and thereafter placing the other fission products in a capsule container having a container core to hold the other fission products and an outer cover to encase the other fission products, said outer cover being a corrosion resistant material with sufficient strength, density, and thermal conductivity to avoid environmental corrosion over time, and being of a dimensional configuration such that radiation outside the container does not exceed safety limits, and such that the outside surface of the container is of a sufficiently high temperature to melt ice found in permanent icefields, yet is not sufficiently high to seriously enhance corrosion of the container.