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Control of acid drainage from coal refuse using anionic surfactants. Report of investigations/1983

Technical Report ·
OSTI ID:5163366
To control the formation of acid drainage at its source, the Bureau of Mines has investigated the role of iron-oxidizing bacteria in the oxidation of pyrite. In laboratory tests, it was determined that Thiobacillus ferrooxidans could be controlled in coal refuse using anionic surfactants, with an associated decrease in acid production of about 75 pct. Either a hydroseeder or a road-water truck can be used to apply the surfactant. Since the surfactant solution must reach the pyritic material to be effective, sites that have been reclaimed are generally not amenable to these procedures. A simple laboratory test is described that provides an estimate of adsorption potential; this can be used to calculate a safe application rate.
Research Organization:
Bureau of Mines, Pittsburgh, PA (USA). Pittsburgh Research Center
OSTI ID:
5163366
Report Number(s):
PB-84-141076; BM-RI-8847
Country of Publication:
United States
Language:
English