FactSage™ is an integrated database and computing system developed by a long-term collaboration of Thermfact (Montreal, Canada) and GTT Technologies (Aachen, Germany). FactSage is a powerful tool for calculating with a variety of capabilities spread over a wide range of industrial applications.

FactSage™ uses the Gibb’s Energy Minimization technique to calculate equilibrium conditions of systems with multiple phases. It can also be used to calculate phase diagrams, estimate multi-phase equilibria, multi-component predominance diagrams, calculate EpH diagrams etc. Post-processing results is simple and intuitive and various types of graphs, tables, figures maybe generated to present results.

FactSage™ has a very extensive thermodynamic database, enabling it to support a wide variety of industries including mining and metals, pulp and paper, fertilizer, nuclear etc. It is available in commercial and educational versions.

Get in touch with us to know how FactSage™ can be used in your process. Learn More


FactSage is a trademark of Thermfact and GTT-Technologies. / SimuSage & ChemApp are trademarks of GTT-Technologies


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