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TREATMENT OF SOLID RADIOACTIVE WASTE BY SUPERCOMPACTION
Abstract
The super-compaction is the process used to conversion of the radioactive waste into a stable, compacted solid form as a cylindrical pellet. A characteristic of the compaction is that it reduces the volume of waste but the amount of radioactivity remains the same. A super-compaction facility operating under a force of 2000 tones which compresses the material contained in the standard drum of 220 l is used for treatment of radioactive waste. A compressed form, reduced by its high with the diameter of the metal mold, as a cylindrical pellet is obtained. The volume reduction factor is approx. 5-10 and depending of materials can reach 20. This paper describes the results of the radioactive waste compaction campaigns performed at NIPNE DMDR Magurele, in order to enhance the efficiency and safety of disposal of radioactive waste. The compaction campaign involved evidence, gamma spectrum measurement, dose rate measurement, compaction, re-packaging and temporary storage of packages which have to be disposed in Baita Bihor repository.
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References5
F. Dragolici, C.Turcanu, Ghe. Dogaru, Ghe. Rotarescu, I. Paunica, Evaluation, Planning and Strategies on Assuring the Capabilities for Management of Radioactive Waste from Research Reactors and Small Nuclear Facilities Decommissioning, IAEA Conference on Operational and Safety Performance in Nuclear Installations, IAEA, Vienna, 2006
Compaction of Radioactive Waste Brochure, 2007
Instruction Manual, HDP 2000 - HFC Romania.
Ghe. Dogaru, "CA-420-X type with radioactive waste", 6th International Balkan Workshop on Applied Physics, Ovidius University , Constanta, Romania, 2015.
J.K.Kennerly, An Evaluation of Super compaction of Drums Containing Solid Low-Level Waste from Oak Ridge National laboratory, ORNL/TM-10652
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