Bibliographic Citation
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| Title | Contamination of groundwater by heavy metals from the land disposal of fly ash. Technical progress report, June 1, 1975--February 29, 1976. [As, Ca, Cd, Cr, Cu, Fe, Hg, Pb, Zn] |
| Creator/Author | Theis, T.L. ; Marley, J.J. |
| Publication Date | 1976 Feb 01 |
| OSTI Identifier | OSTI ID: 7366122 |
| Report Number(s) | COO-2727-3 |
| DOE Contract Number | E(11-1)-2727 |
| Resource Type | Technical Report |
| Research Org | Notre Dame Univ., Ind. (USA) |
| Subject | 54 ENVIRONMENTAL SCIENCES; ARSENIC; ENVIRONMENTAL EFFECTS; CADMIUM; CALCIUM; CHROMIUM; COPPER; FLY ASH; GROUND WATER; POLLUTION; IRON; LEAD; MERCURY; METALS; ZINC; ADSORPTION; IRON OXIDES; PH VALUE; SOILS; WASTE DISPOSAL; WATER POLLUTION; AEROSOL WASTES; ALKALINE EARTH METALS; CHALCOGENIDES; ELEMENTS; HYDROGEN COMPOUNDS; IRON COMPOUNDS; MANAGEMENT; OXIDES; OXYGEN COMPOUNDS; SEMIMETALS; SORPTION; TRANSITION ELEMENT COMPOUNDS; TRANSITION ELEMENTS; WASTE MANAGEMENT; WASTES; WATER |
| Description/Abstract | Major emphasis was placed on laboratory evaluations of heavy metal associations with fly ash. Data are presented showing that most fly ashes contain considerable amounts of As, Ca, Cd, Cr, Cu, Fe, Hg, Pb, and Zn. Desorption studies suggest that pH and the presence of various heavy metal sinks on the ash particle surface (notably hydrous iron oxides) play significant roles in the release of these metals into solution. Adsorption studies using natural ash leachate/soil systems and vertical soil columns give quantitative estimates (through the use of adsorption isotherms) of the degree of attenuation of the heavy metals. Results verify the importance of solution pH and iron oxide concentration. In general the element cadmium shows the least tendency toward sorbing onto local solid phases while lead is sorbed to the greatest extent. Among soil types, organic peat was the most effective in removing metals while silica was least effective. |
| Country of Publication | United States |
| Language | English |
| Format | Medium: X; Size: Pages: 21 |
| Availability | Dep. NTIS $3.50. |
| System Entry Date | 2008 Feb 12 |
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Last Updated: 11/19/2009