Elemental deposition downwind of a coal-fired power plant

✍ Scribed by Lawrence E. Wangen; Michael D. Williams

• Publisher: Springer Netherlands
• Year: 1978
• Tongue: English
• Weight: 628 KB
• Volume: 10
• Category: Article
• ISSN: 0049-6979
• DOI: 10.1007/bf00161994

✦ Synopsis

Dry deposition of fly ash emitted by a coal-fired power plant has been calculated using a surface depletion Gaussian plume model. The subject plant is located in the southwestern United States. Soil samples collected downwind of this power plant have been chemically analyzed for selected trace elements (As, B, F, Hg, Se, Sr, U, and V) to determine concentration vs. distance trends. Gaussian plume deposition calculations predict very little increase of trace element concentrations in soils, except for those elements highly concentrated in fly ash emissions compared to soils. Trace element soil concentrations as a function of downwind distance generally confirm these predictions, with the possible exception of Se.