Fly Ash-Derived Strontium as an Index to Monitor Deposition from Coal-Fired Power Plants
- 12 June 1981
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 212 (4500) , 1267-1269
- https://doi.org/10.1126/science.212.4500.1267
Abstract
The combustion of western U.S. coals releases significant amounts of strontium, which is relatively enriched in the fine particles of fly ash. Fly ash-derived strontium is readily absorbed by agronomic and native plant species when incorporated in soil. The strontium-87 to strontium-86 ratios of fly ash and soils were significantly different, but similar ratios were found in fly ash and plants treated with fly ash. A technique for measuring and monitoring deposition from coal-fired power plants is inferred from the enhanced plant uptake of fly ash strontium and the similarity in the isotopic ratios of fly ash and treated plants.Keywords
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