Abstract
The alkaline synthesis of porous phenol-formaldehyde polymers containing iminodiacetic acid is described. Porosity is induced by the addition of a finely divided solid material (“template”) that is insoluble under the reaction conditions. This template is removed by dissolution after the polymerization is complete. Silica gel, carbonate salts and various other salts are used as templates. Resins containing different phenols are synthesized and their effectiveness for the removal of radioactive cesium and strontium from alkaline concentrated sodium salt brines is examined. This matrix typifies the composition of soluble defense nuclear waste.
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This paper was prepared in connection with work done under Contract No. DE-AC09-76SR00001 with the U.S. Department of Energy.
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Kaczvinsky, J.R., Fritz, J.S., Walker, D.D. et al. Synthesis and development of porous chelating polymers for the decontamination of nuclear waste. Journal of Radioanalytical and Nuclear Chemistry, Articles 91, 349–360 (1985). https://doi.org/10.1007/BF02061038
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DOI: https://doi.org/10.1007/BF02061038