Prospects Of The Application Of Curable
Decontamination Solutions In Problems Of
Impact Improving Of Nuclear Power Plants
Author(s)
S. E. Shcheklein, A. G. Shastin & I. K. Domanskaya
Abstract
The technology of power generation from nuclear power is accompanied by the
formation of radioactive waste, which has significant potential environmental
hazards. This paper proposes new methods of decontamination of NPP
equipment with fluids that immediately after use can be converted into an
environmentally safe condition – curing methods of decontamination solutions.
A characteristic feature of curable solutions decontamination methods is that the
composition of the decontamination solution, and also processes in the solution
during deactivation, affect the subsequent transfer of this solution to a solid state,
as well as on the properties of the matrix, which will be \“sealed” removed
radionuclides. The main factor determining the course of the process of
decontamination methods can be divided into contact, acid-abrasive, ultrasound
and combined. Concerning the main component of the decontamination solution
(slurry) methods can be subdivided into solutions with hydraulic binders, clay
slurry (with conventional clay and a clay with a high alumina content)
suspension of diatomite and combined. The means of transfer of the solutions
used in the solid state methods are divided into \“self-curing” heat treatable and
cemented. Application of methods of the curing solution allows us to reduce the
number of operations to deactivate air conditioning that provides economic
benefits and allows us to create a whole class of portable equipment and to
reduce the amount ongoing to dump 4–6 times in comparison with cemented.
Keywords: nuclear energy, safety, environment protection, radioactive waste.
Keywords
nuclear energy, safety, environment protection, radioactive waste.
Related Book
Other papers in this volume
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