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Author
Stefanoff, J.G.
;
Kim, Y.K.
Title
Reduction of leachability of heavy metals in acid mine drainage
Type
Journal Article
Year
1994
Publication
J. Environ. Sci. Health Part A Environ. Sci. Eng.
Abbreviated Journal
Volume
29
Issue
2
Pages
371-388
Keywords
1 Geography
Abstract
The leaching characteristics of sludges from the treatment of acid mine drainage(AMD) from Iron Mountain Mine near Redding, California were compared using two different processes: caustic soda treatment and a modified lime/sulfide treatment process. The modified lime/sulfide process produced a sludge with better dewaterability characteristics than sludge from the caustic soda process. The results of the Cal WET indicated that the modified lime/sulfide process sludge had less leachability than that of sludge from the caustic soda process. Both processes could achieve a substantial reduction of heavy metals in leachate to levels below the federal regulatory limits(TCLP). For cadmium and zinc, however, neither process produced a sludge that met the requirements of the Cal WET procedure.
Address
CH2M HILL, 2525 Airpark Drive, Redding, CA 96001
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Notes
Reduction of leachability of heavy metals in acid mine drainage; (1009849); 93x-00709; Using Smart Source Parsing; Geobase
Approved
no
Call Number
CBU @ c.wolke @ 17564
Serial
231
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