Latest Inventions  Ecology METHOD FOR RECOVERY AND DISPOSAL OF SPENT FILTERS
METHOD FOR
RECOVERY AND DISPOSAL OF SPENT FILTERS
FIELD: recovery and disposal of industrial wastes
contaminated with radionuclides.
SUBSTANCE: method involves volumetric
immobilization of radioactive contaminants by in-situ treatment of filter-
material synthetic fibers with solvent vapors. Then filter material is removed
from filter casing, treated with saturated solvent vapors, and vitrified to form
glass-like mass of solution with inclusions of contaminant particles. Upon
drying solution mass of filter fibers is compressed to obtain compact mass and
disposed in sealed containers.
EFFECT: enhanced safety of work and storage of
radioactive wastes; reduced volume of disposed wastes. 2 cl
Kolesov Eh.A.,
Sechin G.N., Belousov N.I.
Patent number: 2174260
Publishing date: November 21, 2001
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