FIELD: nuclear power engineering. SUBSTANCE: method for dissolving and removing non-drained sodium from decommissioned components of reactor using sodium coolant involves water delivery to evacuated space holding equipment to be rinsed and measurement of amount of hydrogen released during reaction; water supply depends on its concentration in reaction products so as to prevent uncontrolled acceleration of reaction process. EFFECT: improved safety in rinsing equipment without cutting it, reduced volume of gaseous and liquid radioactive wastes. 5 cl, 1 dwg
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