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Published Saturday, August 01, 1998

Technology augments fly ash recycling A new technology developed by EPRI, the science and technology organization for the energy industry, and Progress Materials, Inc. (PMI), reportedly improves the quality of fly ash so that it can be readily marketed. Sale of fly ash is a profitable business for many electric utilities. By some estimates,12 million tons of fly ash produced by coal-fired electricity plants in the United States are sold to the cement and concrete industries. This business may be in danger, however. Many utilities are finding that nitrogen oxide (NOx) reduction technology installed to meet the emissions ...

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