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Adding species to THERMO gives weird results with GW9 - Standard

Oleh Weres

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When I was using GW7 Standard I added glycolate as a basis species and glycolic acid as a derived species to THERMO and it worked fine. I was careful to change the number of species in both places. Using the same modified data base with GW9 Standard gives weird results: Elemental Fe precipitates from geothermal brine. So now I am using the original THERMO modified only by substituting in correct values for solubility of amorphous silica and quartz, and GW9 works fine again.



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  • 2 months later...

Hi Oleh,


If you post your two modified thermo datasets, your script, and some sort of plot or explanation of the old and new results I'd be happy to take a look.




Brian Farrell

Aqueous Solutions LLC

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