Lead and Lead-Based Alloys as Waste Matrix Materials
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LEAD AND LEAD-BASED ALLOYS AS WASTE MATRIX MATERIALS Arthur E. Arustamov, Michael I. Ojovan, and Michael B. Kachalov Scientific and Industrial Association The 7-th Rostovsky Lane, 2/14 Moscow, 119121, Russia Tel: (095)928 9916; Fax: (095)248 1941 E-mail: [email protected] ABSTRACT Metals and alloys with relatively low melting temperatures such as lead and lead-based alloys are considered in Russia as prospective matrices for encapsulation of spent nuclear fuel in containers in preparation for final disposal in underground repositories. Now lead and leadbased alloys are being used for conditioning spent sealed radioactive sources at radioactive waste disposal facilities. INTRODUCTION A wide variety of investigations of the possible use of lead as a matrix to immobilize spent ffiel and high-level radioactive waste show that lead holds much promise as a matrix for radioactive waste disposal l 1,2]. Spent sealed radioactive sources delivered for disposal at SIA
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