By James J Gusek; Linda A Figueroa; Society for Mining, Metallurgy, and Exploration (U.S.)
Mitigation of steel Mining inspired Water is the ''how to mend it'' quantity in a sequence of six handbooks on applied sciences for dealing with steel mine and metallurgical method inspired water. not like different texts that spotlight solely on acid drainage from coal mines, this finished sequence examines either acidic and impartial pH waters from steel mining and metallurgical strategies that can effect the surroundings. The Read more...
content material: advent; The actual setting; making plans and layout issues; resource and Migration keep watch over; therapy of steel Mining inspired Water.
summary: Mitigation of steel Mining stimulated Water is the ''how to mend it'' quantity in a sequence of six handbooks on applied sciences for handling steel mine and metallurgical procedure motivated water. in contrast to different texts that spotlight completely on acid drainage from coal mines, this finished sequence examines either acidic and impartial pH waters from steel mining and metallurgical methods that can effect the surroundings. The authors take a holistic strategy by means of contemplating all elements of the mine existence cycle, from making plans and layout to closure
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Example text
S. Environmental Protection Agency Hydrologic Evaluation of Landfill Performance model was used to optimize the cover design. TA I L I N G S D I S P O S A L D E S I G N From a design perspective, tailings storage facility site selection should consider the following factors (Cole et al. 1997): • Watershed impacts, • Potential for tailings storage facility expansion, • Accessibility and distance from the mill, • Relative elevation between the mill and tailings storage facility, • Adequate runoff to ensure tailings submergence (even during drought), • Mineralized zones and potential ore bodies, • Geologic and hydrogeologic considerations, • Topographic containment, • Storage capacity to dam volume ratio, • Closure requirements, and • Costs (capital, operating, and closure).
Since oxygen diffuses more slowly through water than air, the rate of sulfide oxidation is minimized. , taconite tailings) that contain acid-neutralizing minerals; and • Reduced land development, disposal, and reclamation costs. 1). Both pumped and layered co-disposal strategies involve departures from conventional waste handling and transportation techniques. If the objective is an intermixed deposit of tailings and coarse reject, the two waste streams can be combined and pumped to an impoundment or abandoned pit.
This problem has been addressed, in part, by the development of a high-efficiency ejector that uses a supersonic air stream to project fill material horizontally into the void (Burnett et al. 1995). A common goal of reactive waste backfilling is to create a high-density fill material using paste technology. Pastes are mixtures of tailings and water, and are similar to slurry except that they do not segregate by particle size when at rest. For this to occur, a paste must contain approximately 15% fines (<20 μm) by weight.