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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
ISSN : 2288-5471(Online)
Pyroprocessing 공정에 사용되는 전해반응장치의 규모 확대
Scaleup of Electrolytic Reactors in Pyroprocessing
Abstract
In the pyroprocessing of spent nuclear fuels, fuel materials are recovered by electrochemical reactions on the surface of electrodes as well as stirring the electrolyte in electrolytic cells such as electrorefiner, electroreducer and electrowinner. The system with this equipment should first be scaled-up in order to commercialize the pyroprocessing. So in this study, the scale-up for those electrolytic cells was studied to design a large-scale system which can be employed in a commercial process in the future. Basically the dimensions of both electrolytic cells and electrodes should be enlarged on the basis of the geometrical similarity. Then the criterion of constant power input per unit volume, characterizing the fluid behavior in the cells, was introduced in this study and a calculation process based on trial-and-error methode was derived, which makes it possible to seek a proper speed of agitation in the electrolytic cells. Consequently examples of scale-up for an arbitrary small scale system were shown when the criterion of constant power input per unit volume and another criterion of constant impeller tip speed were respectively applied
전해반응장치의 규모 확대, 전해질의 유동특성, 뉴톤형/비뉴톤형 유체의 거동, 유 체의 겉보기 및 유효 점도, Scale-up of electrolytic reactors, Fluid behavior of electrolyte, Behavior of Newtonian and non-Newtonian fluids, Apparent viscosity and Effective viscosity
Reference
JNFCWT
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