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A simple method of treating cobalt-60 and iodine-131 production liquid waste can be disposed completely after alkalized by sodium hydroxide and then run through the soil wastes of coal ball column; while the iodine-131 production liquid waste can be disposed completely after reduced by sodium bisulfite, alkalized by sodium hydroxide and finally run through the soil wastes of coal ball column. The present method is better than the adsorption method through soils, for the liquid wastes can go through the soil wastes of coal ball more freely. The decontamination factor of this method is very high. Under the experimental conditions, one hundred grams of the soil wastes of coal can be used to dispose more than 15 liters of cobalt-60 liquid waste and 10 liters of iodine-131 production liquid waste respectively.

Disposal of Cobalt-60 and Iodine-131 Production Liquid Wastes by the Adsorption of Soil Wastes of Coal Ball