용융탄산염을 이용한 고농도 염소 및 염화수소가스 처리 및 재활용에 관한 연구
A Study on Treatment and Recycling of a High Concentration of Chlorine and Hydrogen Chloride Gas Using Molten Carbonate
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A high concentration of Cl2 and HCl gas is generated from the solidificationprocess of chlorinated metal wastes from the pyrochemical process of used nuclear fuel. In this study, a treatment test of a high concentration of Cl2 and HCl gas was performedusing the molten carbonate equipment. A high concentration of Cl2 and HCl gas wascaptured as a from of LiCl in the molten carbonate (Li2CO3), and the Cl2 and HCl gas wasnot detected in the flue gas from the equipment. After the treatment test, the usedcarbonate from the equipment was composed of Li2CO3 and LiCl. The used carbonate waseffectively divided into LiCl and a mixture of Li2O and Li2CO3 through a vacuumdistillation process. It is considered that LiCl is possible to recycle to the pyrochemicalprocess and the mixture can be reused for the treatment of Cl2 and HCl gas.
Abstract
A high concentration of Cl2 and HCl gas is generated from the solidificationprocess of chlorinated metal wastes from the pyrochemical process of used nuclear fuel. In this study, a treatment test of a high concentration of Cl2 and HCl gas was performedusing the molten carbonate equipment. A high concentration of Cl2 and HCl gas wascaptured as a from of LiCl in the molten carbonate (Li2CO3), and the Cl2 and HCl gas wasnot detected in the flue gas from the equipment. After the treatment test, the usedcarbonate from the equipment was composed of Li2CO3 and LiCl. The used carbonate waseffectively divided into LiCl and a mixture of Li2O and Li2CO3 through a vacuumdistillation process. It is considered that LiCl is possible to recycle to the pyrochemicalprocess and the mixture can be reused for the treatment of Cl2 and HCl gas.
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