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Tellurium Behaviour in the Fukushima Dai-ichi Nuclear Power Plant Accident

Tellurium Behaviour in the Fukushima Dai-ichi Nuclear Power Plant Accident

Raymond S Dickson, Glenn A Glowa

J Environ Radioact. 2019 Aug;204:49-65.

PMID: 30965216

Abstract:

The behaviour of tellurium radionuclides in the Fukushima Dai-ichi Nuclear Power Plant accident was examined to determine if it is consistent with the current understanding of tellurium chemistry, and whether there is any evidence of tellurium dispersal by species other than aerosols (e.g., vapours). Previous speciation studies, hot-cell experiments, in-reactor experiments and the transport from the Chernobyl reactor accident indicated that tellurium would behave primarily as a particulate species that condensed at high temperature, although the initial chemical species may have transformed to other solid species on cooling and reaction with environmental compounds (e.g., air). The main volatile tellurium species expected would be organic tellurides, which could be produced by radiolytic or biochemical routes, and have reasonable stability under environmental conditions. The behaviour of 137Cs, which behaves exclusively as a particulate species in air at environmental temperatures, was compared with that of tellurium. The behaviour of tellurium was found to be consistent with the current understanding and no evidence of significant tellurium transport by vapour species was found.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP13494809	Tellurium		13494-80-9	Price

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