Chemical and toxicological properties of coal fly ash. Environmental geology notes

Technical Report · Fri Jul 01 04:00:00 EDT 1983

OSTI ID:5286305

Suloway, J J; Roy, W R; Skelly, T M; Dickerson, D R; Schuller, R M

Nine fly ash samples generated from Illinois Basin coals and three samples from western coals were characterized in terms of their physicochemical properties, solubility and toxicity to fathead minnow fry. Organic compounds identified in the fly ashes were only slightly soluble in the aqueous extracts. Five extracts were selected for toxicity testing on the basis of the diversity of pH values. All five extracts were acutely toxic to fathead minnow fry. Physicochemical components probably responsible for the acute toxicity of the fly ash extracts to fish were pH, Al, ironic strength, and Zn. The fathead minnows and green sunfish accumulated similar elements from the fly ash extracts; the six chemical constituents most commonly accumulated from fly ash extracts were Al, B, Cd, Mn, Mo, and Ni.

• Research Organization: Illinois Inst. of Natural Resources, Champaign (USA). State Geological Survey Div.
• OSTI ID: 5286305
• Report Number(s): PB-84-116110
• Country of Publication: United States
• Language: English

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