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October 1999
Volume 51    Issue 10

Predicting the steady-state water quality of pit lakes

Mining Engineering, 1999, Vol. 51, No. 10, pp. 28-32
Lewis, R.L.


ABSTRACT:
In recent years, the prediction of pit-lake water quality has become an increasingly sophisticated task, which is often accomplished by coupling complex numerical models of lake hydrology, geochemistry and limnology. In many practical situations, however, such aggressive (and costly) modeling efforts may not be necessary or desirable. Conservative estimates of pit water quality can be developed using simple analytical methods that are appropriate for many practical applications that require predictions to provide an adequate margin of safety. This paper presents a simple equilibrium-based methodology that can be used to develop conservative estimates of pit-lake water quality.


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