Recent Progress in Coal Ash Utilization and the Effect of Environmental Issues and Regulationsby Samuel S. Tyson, American Coal Ash Assoc, Washington, DC, USA,
Abstract: This paper summarizes for civil engineers several publications that help to specify and use coal combustion by-products in construction and other applications in a technically sound, commercially effective and environmentally safe manner. The American Coal Ash Association (ACAA) is working to create and to update generic specifications and guidelines for coal ash utilization, and sources are cited that may be used for obtaining these and other documents containing essential information and useful recommendations. The paper discusses the current legislative and regulatory climate for coal ash utilization and efforts being made by the ACAA to gain favorable recognition and treatment of the principal forms of coal ash, including fly ash, bottom ash, boiler slag and flue gas desulfurization sludge.
Subject Headings: Wastes | Coal | Recycling | Fly ash | Combustion | Bottom ash
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