Abstract
Solid (stabilized), brick-like forms of scrubber sludge and fly ash from coal combustion were tested for their physical properties, leaching behavior in seawater, effect on organisms, and long term stability in a marine environment. Laboratory results showed that trace elements did not leach significantly from test samples. In the field, colonization and overgrowth of test blocks progressed very rapidly, and block integrity, as determined by compressive strength, was maintained for over 500 days.
These preliminary results and other results from ongoing studies suggest that marine disposal of scrubber sludge and fly ash, in the stabilized form, may be environmentally acceptable.
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Duedall, I.W. et al. (1981). Stabilized Power Plant Scrubber Sludge and Fly Ash in the Marine Environment. In: Ketchum, B.H., Kester, D.R., Park, P.K. (eds) Ocean Dumping of Industrial Wastes. Marine Science, vol 12. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3905-2_16
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DOI: https://doi.org/10.1007/978-1-4684-3905-2_16
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