PREPARATION METHODS OF INORGANIC-INORGANIC COMPOSITE ION EXCHANGERS FOR A TREATMENT OF RADIOACTIVE W

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PURPOSE : A method for manufacturing an inorganic-inorganic ion exchange composite for processing a radioactive waste solution and the inorganic-inorganic ion exchange composite are provided to continuously process the radioactive waste solution in a column. CONSTITUTION : Alkoxy silane, water, and a catalyst are added in a ferrocyanide-based inorganic ion exchanger powder dispersed organic solution. A sol-gel reaction is implemented. An inorganic-inorganic ion exchange composite in which a ferrocyanide-based inorganic ion exchanger is fixed to silica is obtained. The ratio of the alkoxy silane, water, and the catalyst is a 1 : 1-10 : 0.1 : 1.0 molar ratio. After the sol-gel reaction, a drying process, a cleaning process, and a re-drying process are followed. The ferrocyanide-based inorganic ion exchanger is KCoFC, KNiFC, KZnFC, or KCuFC. COPYRIGHT KIPO 2012