Flocculation and Adsorption Experiment for Treatment of Simulated Radioactive Wastewater
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Abstract
A process for removing cobalt, strontium and cesium from simulated radioactive wastewater by precipitation, flocculation and adsorption, and the characteristics of this process were studied. In this process, simulated radioactive wastewater was treated with sodium carbonate as a precipitant, polymeric ferric sulfate as a flocculant and vanadium zirconium pyrophosphate as an absorbent. The results of the experiments of precipitant and flocculant selection show that 98% strontium and cobalt can be removed by sodium carbonate and polymeric ferric sulfate. The remaining cesium in simulated radioactive wastewater can be removed via adsorption processes by vanadium zirconium pyrophosphate. These results confirmed that nearly 100% cobalt, strontium and cesium in simulated radioactive wastewater could be removed via a precipitation flocculation and adsorption processes.
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