The effects of chloride (CI) potassium (K) and sulphate (SO4) on the equilibrium of the causticizing reaction are studied over a wide range of causticizing conditions,using OLI,an advanced thermodynamic program for equilibrium calculations in aqueous solutions of ionic salts.The results show that Cl,K and SO4 have little or no effect on the causticizing equilibrium.Under a given causticizing condition,coastal mills,due to their much higher NaCl concentration,are predicted to have a causticizing efficiency 1 to 2% lower than that of in-land mills.
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