Methodology to evaluate the ARD potential in some Brazilian gold mines.
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2015
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Resumo
This paper proposes a methodology to evaluates the potential of acid rock
drainage (ARD) in some gold mines of Brazilian ferriferous quadrangle. A program of sampling
was developed to characterize geochemically the ores and wastes in minesites and quantify the
potential of acid mine drainage and metal solubility. Were performed analyses by the following
static tests: - saturated paste pH , ABA, NAG, MABA and total and soluble metal analysis. To
compare the results is suggested a tabulation considering a relative weight for each performed
test. In this methodology each test ( ABA, MABA or NAG) was evaluated in a graduated scale
from zero to 100 points totalizing a maximum of 300 points.
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Acid drainage
Citação
CURI, A. et al. Methodology to evaluate the ARD potential in some Brazilian gold mines. International Journal of Modern Engineering Research, v. 5, n. 7, p. 45-60, jul. 2015. Disponível em: <http://www.ijmer.com/papers/Vol5_Issue7/Version-2/G5724550.pdf>. Acesso em: 10 jul. 2017.