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Chemistry for Sustainable Development

2015 year, number 3

Hydrothermal Synthesis of Levynite Type Zeolite

Institute of Natural Resources, Prospekt Geidara Alieva, 76, Nakhchyvan AZ 7000 (Azerbaijan)
Keywords: hydrothermal synthesis, levynite, zeolite, X-ray phase analysis, halloysite, obsidian, dolomite, de- and rehydration properties


Rare zeolite levynite was obtained for the first time on the basis of natural minerals halloysite, obsidian and dolomite. The mineral was studied using derivatographic, X-ray phase, X-ray spectral and electron microscopic analysis methods. Dehydration-rehydration and cation exchange characteristics were studied; the oxygen volume of the resulting product was calculated.