Corrosion and Deposits From Combustion of Solid Waste—Part V: Firing of Refuse With High-Sulfur Coal

[+] Author and Article Information
H. H. Krause, D. A. Vaughan, P. W. Cover, W. K. Boyd

Battelle–Columbus Laboratories, Columbus, Ohio

D. A. Oberacker

Solid and Hazardous Waste Research Division, Municipal Environmental Research Laboratory, Cincinnati, Ohio

J. Eng. Power 99(3), 449-455 (Jul 01, 1977) (7 pages) doi:10.1115/1.3446528 History: Received August 06, 1976; Online July 14, 2010


The utilization of municipal refuse as a supplementary fuel in a coal-fired power-generating plant has been investigated. The preparation of the solid waste consisted of shredding, ferrous metal separation, and air classification. Probes inserted in the superheater section of the stoker-fired boiler were used to collect deposits and to measure the extent of corrosion. The corrosion rates found for refuse–coal mixtures containing up to 42 weight percent refuse approximated those found with the coals and were about an order of magnitude less than those found with refuse alone. The flue gas temperatures were found to be important factors in corrosion. Sulfur oxide emissions of the high-sulfur coal were reduced both by dilution with the refuse and by the action of the alkaline components of the refuse.

Copyright © 1977 by ASME
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