Applications and Case Studies > Acid mine/rock drainage

Jeisonb

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Jeisonb:
Hi, I want to simulate a process of neutralization of acid mining water with calcite, but the Ag, Cr, As, Co, Hg and other elements contained in the acid water are not in the database.
help please, How can I select the data base if I get an error ?

TITLE Neutralización de agua acida
SOLUTION 1  Agua ácida
    temp         25
    pH           3.62   
    units        mg/L           
    density     1.01
    pe           12
    AL      3.90
    As      0.0050
    Ba      0.03
    Cd      0.00
    Ca      3.70
    Cl      1.00
    Cr      0.0050
    Co      0.02
    Cu      0.23
    F      0.26
    Fe      3.50
    Pb      0.025
    Mg      2.50
    Mn      0.61
    Hg      0.00010
    Mo      0.010
    Ni      0.02
    K      3.90
    Ag       0.0050
    Na      3.60
    S      93.00
    V      0.010
    Zn      0.15
   -water    1       # kg
reaction  1
    calcite     1
    0.0  0.01  0.1   0.5   1
 SELECTED_OUTPUT
    -reset false   
    -file   adicion_de_calcita.sel
    -pH
    -ionic_strength
    -molalities Fe+2 Ca+2
    -time true
    -saturation_indices Calcite Gypsum
save solution 1
  END
TITLE Equilibriar la mezcla con calcita
EQUILIBRIUM_PHASES 1 eQUILIBRAR calcita
    Calcite 0.0
USE solution 1
END

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