Treatment of radioactive organic liquid wastes. Efficiency of chemical pre-treatment for incineration.:Efficiency of Chemical Pre-Treatment for Incineration

概要

論文の詳細を見る
Several kinds of incinerator that satisfy essential requirements in the safety guideline have been developed so as to burn radioactive organic liquid wastes, and they are on the market. But, in the case of organic wastes which contain much water, such as emulsive scintillator liquid, it is often difficult to incinerate them continuously owing to high viscosity and low fluidity. Concerning this problem, we have already proposed, in a few reports, the validity of a pre-treatment process using salt-out technique.In this study, the above method was applied to other wastes containing several nuclides and chemical forms, such as 3H, 14C, 32P, 35S, and 45Ca, even if they may be different from what were reported before. As result, it was defined that the pre-treatment process could be developed for incineration of those wastes.Recently, scintillator cocktails with higher boiling solvent have been developed for fire safety during storage. But these cocktails are much more costly than toluene, and they are more difficult to incinerate. Therefore, as a premise of collection and reuse of the costly solvent, we propose that the chemical pre-treatment process by salt-out technique before usual distillation will be promising in respect to cost and reliability.
日本保健物理学会の論文