Influence of the content of a surrogate of iron aluminate high-level wastes on the phase composition and structure of glassy materials for their immobilization

被引：0
|
作者：
A. A. Akatov
B. S. Nikonov
B. I. Omel’yanenko
O. I. Stefanovskaya
S. V. Stefanovsky
D. Yu. Suntsov
J. C. Marra
机构：
[1] St. Petersburg State Technological Institute (Technical University),Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry (IGEM)
[2] Russian Academy of Sciences,undefined
[3] State Unitary Enterprise of the City of Moscow—The United Ecology,undefined
[4] Technology,undefined
[5] and Research Center on RAW Conditioning and Environmental Protection (SUE SIA “Radon”),undefined
[6] Savannah River National Laboratory,undefined
来源：
Glass Physics and Chemistry | 2010年 / 36卷
关键词：
radioactive wastes; materials for burial; alkali borosilicate glasses;
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学科分类号：
摘要：
Alkali borosilicate glassy materials with high iron and aluminum oxide concentrations, which simulate vitrified high-level wastes from the Savannah River Site (United States) at their content ranging from 50 to 70 wt %, have been investigated using X-ray powder diffraction, optical and electron microscopy, and infrared spectroscopy. Quenched and slowly cooled samples containing 50 wt % wastes are glasses. Samples containing 60 and 70 wt % wastes, which were quenched on a metal slab, are predominantly glasses with an insignificant content of the spinel formed in a trevorite-magnetite solid solution. The slowly cooled samples also contain nepheline, and its amount increases with an increase in the waste content in the glassy materials.
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页码：45 / 52
页数：7
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