Development of Membrane Treatment System of Medical Radioactive Waste

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Radioactive iodine and technetium, which are extensively used in medical treatments, medical diagnosis, and biological experiments, whose use and disposal are strictly regulated by laws, indicate anion behavior in waste. We purposed the developments of (1) carrying urine filters used by patients with medical treatment and diagnosis and (2) radioactive waste treatment system driven by micro-power using membrane electrodialysis method. As a result, we succeeded to develop paper membranes that can incinerate as a waste matter, 5 kinds of anion exchange paper membranes and an amphoteric ion exchange paper membrane. Using these paper membranes and bipolar membrane, we established safely and effectively membrane treatment system of medical radioactive waste.