期刊
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY
卷 31, 期 4, 页码 541-544出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.calphad.2007.03.002
关键词
Pitzer ion-interaction model; solubility prediction; salt lake brine
The component solubilities in NaCl-RbCl-H2O, KCl-CsCl-H2O and KBr-CsBr-H2O systems at 25 degrees C were calculated by using the Pitzer ion interaction model and its extended HW models. Excellent agreement with experimental solubilities indicated that the models can be successfully used to calculate the component solubilities. This study affords the necessary parameters for solubility predictions of complicated systems containing rubidium and caesium and establishes a theoretical basis for the separation of these valuable metals from salt take brine. (c) 2007 Elsevier Ltd. All rights reserved.
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