Abstract
The melting process of aluminophosphate and boro-alumino-phosphate glass containing up to 5.63 wt % of beryllium oxide is studied. The viscosity and electrical conductivity of the melts are studied. The entrainment of beryllium in the steam-gas phase during glass melting is studied. The homogeneity of beryllium distribution over the glass volume is studied. The uniformity of the types of glass obtained and their structure are determined. The structural changes caused by the thermal impact on the glass samples are studied. The chemical stability of the obtained glass up to leaching Be, 137Cs, and 90Sr in contact with distilled water is determined. The possibility of the vitrification of Be-containing HLW with the formation of a glass-like matrix of the required quality (BeO content of 3.7 wt %) is shown. The results of waste recycling on an industrial scale using an EP-500/5 furnace are given.
Published Version
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