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N.Yu. Yanicheva, G.O. Kalashnikova
Synthetic ivanyukite – perspective ion-exchange material
Abstract. The ion-exchange properties of a synthetic analogue of ivanyukite-Na towards cesium cations have been examined. Electron microscopy, powder X-ray diffraction and microprobe analysis have shown that this synthetic product is identical to the natural pharmacosiderite-type titanosilicate ivanyukite-Na. It has been found that synthetic ivanyukite has high ion-exchange capacity for cesium and has an avalanche-like kinetics of corresponding exchange reaction. Hence, ivanyukite can be recommended for the extremely rapid and effective removal 137Cs from nuclear waste solutions.
Keywords: ivanyukite, microporous titanosilicate, cation exchange, cesium, nuclear waste solutions
Printed reference: N.Yu. Yanicheva, G.O. Kalashnikova Synthetic ivanyukite – perspective ion-exchange material // Vestnik of MSTU. 2014. V. 17, No 1. P. 106-111.
Electronic reference: N.Yu. Yanicheva, G.O. Kalashnikova Synthetic ivanyukite – perspective ion-exchange material // Vestnik of MSTU. 2014. V. 17, No 1. P. 106-111. URL: http://vestnik.mstu.edu.ru/v17_1_n56/106_111_yanich.pdf.
