Solubility of ammonia in aqueous solutions of phosphoric acid: Model development and application |
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| Authors: | Bernd Rumpf Gerd Maurer |
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| Institution: | (1) Lehrstuhl für Technische Thermodynamik, Universität Kaiserslautern, D-67653 Kaiserslautern, Federal Republic of Germany |
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| Abstract: | A model to describe vapor-liquid equilibrium (VLE) and solid-liquid equilibrium (SLE) in the ammonia-phosphoric acid-water system is developed. The model takes into account chemical reactions as well as physical interactions. Using interaction parameters and solubility contants as determined from experimental data on VLE and SLE, the model is capable of describing the phase behavior in this extremely complex system over a wide range of composition.Dedicated to Prof. Dr.-Ing. G. Ernst on the occasion of his 60th birthday. |
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| Keywords: | Vapor-liquid equilibrium solid-liquid equilibrium ammonia-phosphoric acid-water system phase behavior |
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