22 - Gas Solubilities

This example corresponds to the “Example 22-Modeling Gas Solubilities: CO2 at High Pressures” from the Phreeqc manual. It can be retrieved from the Phreeqc Website.

Studies

This project contains 1 Studies.

PhreeqcStudy: “study_22 - Gas Solubilities”

Db used: “Phreeqc_dat” database

TITLE Example 22.--Compare experimental CO2 solubilities at high CO2 pressure

   with Peng-Robinson calc'ns with fixed-volume gas_phase, 25, 50, 75, 100 oC.

SOLUTION 1

GAS_PHASE 1

    -fixed_volume

    CO2(g) 0

    H2O(g) 0

REACTION

 CO2 1; 0 27*1

INCREMENTAL_REACTIONS true

END

USE solution 1

USE gas_phase 1

USE reaction 1

REACTION_TEMPERATURE 2

END

USE solution 1

USE gas_phase 1

USE reaction 1

REACTION_TEMPERATURE 3

END

USE solution 1

USE gas_phase 1

USE reaction 1

REACTION_TEMPERATURE 4

END

/n

Plots

This project contains 2 Plots.

Plot 1: “Pressure”

Plot 2: “P-Vm”