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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: The U.S. Power Industry’s Activities to Expand Coal Ash Utilization in Face of lower Ash Quality
Author(s): D.M. Golden
Publication: Special Publication
Appears on pages(s): 267-290
Keywords: AEA admixtures; ammoniated ash; blended cement; coal
ash utilization; fly ash; high carbon ash; unburned carbon
Abstract:This paper describes a five-year Electric Power Research Institute (EPRI) program directed toward increasing ash utilization in the cement and concrete market within the United States, in the face of the impacts on ash quality due to more aggressive Nox controls. EPRI is undertaking this program to provide the technical basis for protecting the bulk sale of coal ash in high-volume applications in cement and concrete and other high volume civil engineering applications. In addition to higher carbon levels in ash from NOx control systems, problems associated with ammoniated ash have become a major concern for coal-fired facilities in recent years as a result of the increased use of ammonia-based environmental control technologies. Many coal-fired power producers have become concerned that post-combustion Nox controls could lead to fly ash containing high levels of ammonia. Therefore, EPRI conducted a research program designed to assist power producers evaluate and mitigate the impacts of high carbon and ammoniated ash.
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