METHOD AND DEVICE FOR ENCAPSULATING LOW-LEVEL AND INTERMEDIATE-LEVEL RADIOACTIVE WASTE WITH HYDRAULIC CEMENT

摘要

The present invention relates to a new method for packaging, by hydraulic binders, borates of radioactive effluents of low and medium potency by chemical treatment for the purpose of the preparation of borate crystals of calcium tetrahydrate, reduction in volume and mixing of the product obtained with at least one hydraulic binder, characterizes in that the operation of the reduction of volume is completed by evaporation under reduced pressure, and or solutions, suspensions, said pressure reduced, since between 0,1 and approximately 0,3 bar and wrapper after the phase of preparation of the borate crystals of calcium tetrahydrate.