Thermodynamics of (Ca(OH)2-)NaOH-Na2WO4-H2O and (Ca(OH)2-)NaOH-Na3PO4-H2O systems and their application

The caustic soda autoclaving process for digesting scheelite (CaWO 4 ) is a unique and widely used tungsten (W) metallurgy technology in China. However, some experimental phenomena still need a proper theoretical explanation. In this work, some operational details and the theoretical basis of the te...

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