04 - Redox

This example corresponds to the “Example 4-Evaporation and Homogeneous Redox Reactions” from the Phreeqc manual. It can be retrieved from the Phreeqc Website.

Studies

This project contains 1 Studies.

  • PhreeqcStudy: “study_04 - Redox”

Db used: “Phreeqc_dat” database

TITLE Example 4a.--Rainwater evaporation
SOLUTION 1  Precipitation from Central Oklahoma
        units           mg/L
        pH              4.5   # estimated
        temp            25.0
        Ca              .384
        Mg              .043
        Na              .141
        K               .036
        Cl              .236
        C(4)            .1      CO2(g)  -3.5
        S(6)            1.3
        N(-3)           .208
        N(5)            .237
REACTION 1
        H2O     -1.0
        52.73 moles
SAVE solution 2
END
TITLE Example 4b.--Factor of 20 more solution
MIX
        2       20.
SAVE solution 3
END

/n

Tables

This project contains 1 Tables.

  • Table 1: named “table_ex4”

table_ex4.csv

Solution number

Mass of water (kg)

Cl, micromole

Cl, micromole/kgw

Nitrate [N(5)], micromole/kgw

Dissolved nitrogen [N(0)], micromole/kgw

Ammonium [N(-3)], micromole/kgw

Calcite saturation index

Dolomite saturation index

Gypsum saturation index

1

1

6.656718505788

6.656718505788

16.92051974431

0

14.85007640007

-9.207344445754

-19.02461681704

-5.345776220854

1

0.05001680421947

6.656718505787601

133.0896407651

160.1214444012

475.07699820290003

0

-9.371311224525

-19.35589855641

-2.903941460903

1

1.000336084389

133.13437011569874

133.0896407651

160.1214444012

475.07699820290003

0

-9.371311224525

-19.35589855641

-2.903941460903