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RESEARCH PAPERS

Trace Element Emissions from Coal-Fired Power Plants

[+] Author and Article Information
F. B. Meserole

Inorganic Chemistry Dept., Radian Corporation, P.O. Box 9948, Austin, TX 78766

K. Schwitzgebel, R. A. Magee, R. M. Mann

Radian Corporation, P.O. Box 9948, Austin, TX 78766

J. Eng. Power 101(4), 620-624 (Oct 01, 1979) (5 pages) doi:10.1115/1.3446630 History: Received September 19, 1978; Online July 14, 2010

Abstract

The emission rates for 27 major, minor and trace elements from four coal-fired electrical generating stations are presented. The flow rates of each element in each process stream entering and leaving the power plant are given for three of the stations. The exit streams include bottom ash, collected ash and fly ash and vapors in the exhausted flue gases. Elemental material balances were calculated to assess the reliability of the results. The elemental compositions of the particulates in the flue gas were determined as a function of particle size for two stations, one of which was included in the previous material balance study. The two stations studied during this phase used hot-side and cold-side electrostatic precipitators, respectively, to collect fly ash. The concentration effects were evaluated to determine whether the gas temperature during particulate collection affects the distribution characteristics of the elements enriched at the fly ash surfaces.

Copyright © 1979 by ASME
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