Method fro treating metallic materials containing radionuclide uranium and thorium

Author: A.V. Ermakov, V.A. Dmitriev, S.M. Pirogov, V.I. Bogdanov, N.I. Timofeyev, A.A. Kalinovsky, A.N. Konyaev, A.P. Suslov, V.I. Fetisov

Reference: Patent, 20.11.1998 patent holder: Limited Liability Partnership Innovation and Technology Center “Ella”

Keywords: schlich platinum, deactivation, uranium, thorium

Abstract: Usage: deactivation of radionuclide contamination from metallic materials; in detail, removal of uranium and thorium from schlich platinum. It consists of conducting oxidative calcination of contaminated schlich platinum, in air at 1473-1773 K, for 0,50-0,66 h, separating fused oxides of uranium and thorium, depleted radionuclides solid remains being melted in air in the presence of flux.

URL: http://www.findpatent.ru/patent/212/2122250.html

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