Journal of environmental and Sanitary engineering (환경위생공학)

Korean Society for Environmental Sanitary Engineers (대한환경위생공학회)
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Adsorption Characteristic of Mg(II), Al(III), Pb(II) Metal Ions on Cryptand Ion Exchange Resin from Water Fire Extinguishing Agent

물 소화약제로부터 Cryptand 이온교환수지의 Mg(II), Al(III) 및 Pb(II) 흡착특성

  • Published : 2008.03.31
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Abstract

Resins were synthesized with 1-aza-15-crown-5 macrocyclic ligand attached to styrene(dangerous matter) divinylbenzene(DVB) copolymer with crosslink of 1, 2, 6 and 15% by substitution reaction. The synthesis of these resins was confirmed by content of chlorine, element analysis, and IR-spectrum. The effects of pH, time and crosslink on adsorption of metal ion　from water fire extinguishing agent by the synthetic resin adsorbent were investigated. The metal ion was showed fast adsorption on the resins above pH 3. The optimum equilibrium time for adsorption of metallic ions was about two hours. The adsorption selectivity determined in water was in increasing order of $Mg^{2+}>Al^{3+}>Pb^{2+}$. The adsorption was in the order of 1, 2, 6, and 15% crosslink resin.

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References

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