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Fluoride Removal in Wastewatar via Precipitation Using PhreeQC at Diff pH & temp

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dlparkhurst:
No whining.


--- Code: ---SOLUTION 1
    temp      25
    pH        7.54
    pe        4
    redox     pe
    units     mg/l
    density   1
    F         0.39
    Cl        1.21
    N(3)      0.08
    N(5)      18.5
    C(4)      0
    Mg        2.12
    Ca        15.4
    Na        2.32
    K         0.96
    S(6)      14.1
    Cu        0.00239
    Zn        0.01842
    Cd        0.0002
    Pb        0.0009
    Fe        0.0523
    Mn        0.01
    Al        0.1465
    -water    1 # kg

EQUILIBRIUM_PHASES
Fluorite 0 0
REACTION
CaCl2 1
2 in 10 steps
REACTION_TEMPERATURE
30

USER_GRAPH 1
    -headings               rxn %F_removed pH
    -axis_titles            "CaCl2 added, moles" "Percent F removed" "pH"
    -initial_solutions      false
    -connect_simulations    true
    -plot_concentration_vs  x
  -start
10 GRAPH_X RXN
20 GRAPH_Y 100*(1 - TOT("F")/SYS("F"))
30 GRAPH_SY -LA("H+")
  -end
    -active                 true
END
--- End code ---

i_azharkhan:
Thanks a lot, sir; the results that you provided are perfect and to the desired requirements of my research.
Once again, I really appreciate your support, and I hope that in the future, if I need any further help regarding my research work, you will guide me further.

dlparkhurst:
Hmmm. You are quite happy with an impractical way to remove fluoride as long as you have the right graph. Sounds more like a homework assignment that you should have done yourself. Unless you can convince me otherwise, I am unlikely to help you in the future.

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